Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS20110147433 A1
Publication typeApplication
Application numberUS 13/029,272
Publication date23 Jun 2011
Filing date17 Feb 2011
Priority date20 May 2003
Also published asCA2605257A1, CN101292888A, CN101292888B, US20070084897
Publication number029272, 13029272, US 2011/0147433 A1, US 2011/147433 A1, US 20110147433 A1, US 20110147433A1, US 2011147433 A1, US 2011147433A1, US-A1-20110147433, US-A1-2011147433, US2011/0147433A1, US2011/147433A1, US20110147433 A1, US20110147433A1, US2011147433 A1, US2011147433A1
InventorsFrederick E. Shelton, IV, Michael E. Setser, B. Weisenburgh II William
Original AssigneeEthicon Endo-Surgery, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Articulating surgical stapling instrument incorporating a two-piece e-beam firing mechanism
US 20110147433 A1
Abstract
A surgical severing and stapling instrument, suitable for laparoscopic and endoscopic clinical procedures, clamps tissue within an end effector of an elongate channel pivotally opposed by an anvil. An E-beam firing bar moves distally through the clamped end effector to sever tissue and to drive staples on each side of the cut. The E-beam firing bar affirmatively spaces the anvil from the elongate channel to assure properly formed closed staples, especially when an amount of tissue is clamped that is inadequate to space the end effector. In particular, an upper pin of the firing bar longitudinally moves through an anvil slot and a channel slot is captured between a lower cap and a middle pin of the firing bar to assure a minimum spacing. Forming the E-beam from a thickened distal portion and a thinned proximal strip enhances manufacturability and facilitates use in such articulating surgical instruments.
Images(14)
Previous page
Next page
Claims(17)
1. A surgical instrument comprising:
an implement portion responsive to firing motions applied thereto from an actuation device, the implement portion comprising:
an elongate channel configured for attachment to a portion of the actuation device and including a channel slot,
a staple cartridge received by the elongate channel and incorporating a proximally positioned wedge member aligned to cam upward a driver supporting a staple,
an anvil pivotally coupled to the elongate channel and including an anvil channel comprising a vertical slot inwardly open along a longitudinal axis of the anvil and comprising left and right rectangular prism-shaped recesses communicating with, bisected by, and transverse to the vertical slot, wherein said left and right rectangular prism-shaped recesses extend substantially along the longitudinal length of the vertical slot,
a firing device including a distally presented cutting edge longitudinally received between the elongate channel and the vertical slot of the anvil channel of the anvil,
an upper member comprised of left and right lateral upper pins sized to slidingly engage upper and lower inner surfaces of the left and right rectangular-shaped recesses of the anvil channel,
a lower member engaging the channel slot, and
a middle member operable to actuate the staple cartridge by distally translating the wedge member of the staple cartridge, the firing device positively engaging both the elongate channel and the anvil during longitudinal firing travel to provide spacing therebetween for staple formation, and wherein engagement of the firing device during firing maintains vertical spacing between the elongate channel and the anvil resisting both pinching due to an inadequate clamped tissue and partial opening due to an excessive amount of clamped tissue.
2. The surgical instrument of claim 1, wherein the anvil forms an inwardly biased relation to the elongate channel configured to assist the firing device in affirmatively spacing between the anvil and elongate channel during actuation of the staple cartridge.
3. The surgical instrument of claim 2, further comprising a closure member operatively configured to longitudinally transfer the closure motion to the implement portion to inwardly bias distal ends of the anvil and the elongate channel to assist the firing device in affirmatively spacing the anvil and elongate channel during actuation of the staple cartridge.
4. The surgical instrument of claim 1, wherein the staple cartridge is a selected type of a plurality of staple cartridge types, each staple cartridge type characterized by a thickness selected for a desired spacing between the anvil and elongate channel and characterized by staples having a length suitable for the desired spacing.
5. The surgical instrument of claim 4, wherein the wedge member comprises a wedge sled having a plurality of connected camming wedges each having a preselected height configured for the selected type of staple cartridge, the middle member of the firing device oriented to abut each of the plurality of staple cartridge types.
6. A surgical instrument comprising:
an implement portion responsive to firing motions from an actuation device coupled thereto and being diametrically dimensioned for endo-surgical use, the implement portion comprising:
an elongate channel coupled to the shaft and including a channel slot;
an anvil pivotally coupled to the elongate channel, responsive to closing motions applied thereto by the actuation device, and including an anvil channel: and
a firing device including a distally presented cutting edge longitudinally received between the elongate channel and the anvil, the firing device configured to affirmatively space the anvil from the elongate channel during longitudinal travel between the anvil and elongate channel, wherein the firing device is configured to affirmatively space the anvil from the elongate channel during longitudinal travel between the anvil and elongate channel by including an upper member having an upper surface and a lower surface that longitudinally slidingly engage the anvil.
7. The surgical instrument of claim 6, further comprising a staple cartridge engaged by the elongate channel and including a proximally opened slot for receiving the cutting edge of the firing device, the staple cartridge including a plurality of staples cammed upwardly by the distal longitudinal movement of the firing mechanism.
8. The surgical instrument of claim 7, wherein the staple cartridge further includes a plurality of drivers supporting the plurality of staples and a wedge sled responsive to the distal longitudinal movement of the firing mechanism to cam upwardly the drivers and thus form the plurality of staples against the anvil.
9. The surgical instrument of claim 7, wherein the anvil forms an inwardly biased relation to the elongate channel configured to assist the firing device in affirmatively spacing between the anvil and elongate channel during actuation of the staple cartridge.
10. The surgical instrument of claim 7, wherein the staple cartridge is a selected type of a plurality of staple cartridge types, each staple cartridge type characterized by a thickness selected for a desired spacing between the anvil and elongate channel and characterized by staples having a length suitable for the desired spacing.
11. The surgical instrument of claim 10, wherein the wedge sled comprises a plurality of connected camming wedges each having a preselected height configured for the selected type of staple cartridge, the middle member of the firing device oriented to abut each of the plurality of staple cartridge types.
12. The surgical instrument of claim 6, wherein the anvil includes a longitudinal slot having an upper surface and a lower surface that slidingly abut respectively the lower surface and upper surface of the upper member of the firing device.
13. The surgical instrument of claim 12, wherein the longitudinal slot comprises an internal longitudinal channel communicating with a narrowed vertical slot, and wherein the firing device translates in the narrowed vertical slot and includes an upper member having the upper and lower surfaces that reside within the internal longitudinal channel for affirmatively spacing the anvil from the elongate channel.
14. The surgical instrument of claim 6, wherein the firing device is configured to affirmatively space the anvil from the elongate channel during longitudinal travel between the anvil and elongate channel by including a lower portion having an upper surface and a lower surface that slidingly engage the elongate channel.
15. The surgical instrument of claim 14, wherein the lower portion of the firing device comprises a lower pin having the upper surface abutting the elongate channel and comprises a middle pin having the lower surface opposingly abutting the elongate channel.
16. The surgical instrument of claim 15, wherein the firing device further comprises an upper member having an upper surface and a lower surface that longitudinally slidingly engage the anvil.
17. The surgical instrument of claim 16, wherein the anvil includes an internal longitudinal slot having a narrowed vertical slot, and wherein the firing device translates in the narrowed vertical slot and includes an upper member having upper and lower surfaces that reside within the internal longitudinal slot for affirmatively spacing the anvil from the elongate channel.
Description
  • [0001]
    The present application is a continuation of and claims the benefit from U.S. patent application Ser. No. 11/538,154, filed Oct. 3, 2006, entitled “ARTICULATING SURGICAL STAPLING INSTRUMENT INCORPORATING A TWO-PIECE FIRING MECHANISM”, to Shelton, IV et al. which claims the benefit of the U.S. provisional patent application entitled “SURGICAL INSTRUMENT INCORPORATING AN ELECTRICALLY ACTUATED ARTICULATION MECHANISM”, to Shelton, Ser. No. 60/591,694, filed on 28 Jul. 2004 and which is a continuation-in-part patent application of the U.S. nonprovisional patent application entitled “SURGICAL STAPLING INSTRUMENT INCORPORATING AN E-BEAM FIRING MECHANISM” to Shelton et al., Ser. No. 10/443,617, filed on 20 May 2003, the disclosures of which are each hereby incorporated by reference in their respective entireties.
  • FIELD OF THE INVENTION
  • [0002]
    The present invention relates in general to surgical instruments that are suitable for endoscopically inserting an end effector that is actuated by a longitudinally driven firing member, and more particularly a surgical stapling and severing instrument that has an articulating shaft.
  • BACKGROUND OF THE INVENTION
  • [0003]
    Endoscopic surgical instruments are often preferred over traditional open surgical devices since a smaller incision tends to reduce the post-operative recovery time and complications. Consequently, significant development has gone into a range of endoscopic surgical instruments that are suitable for precise placement of a distal end effector at a desired surgical site through a cannula of a trocar. These distal end effectors engage the tissue in a number of ways to achieve a diagnostic or therapeutic effect (e.g., endocutter, grasper, cutter, staplers, clip applier, access device, drug/gene therapy delivery device, and energy device using ultrasound, RF, laser, etc.).
  • [0004]
    Positioning the end effector is constrained by the trocar. Generally these endoscopic surgical instruments include a long shaft between the end effector and a handle portion manipulated by the clinician. This long shaft enables insertion to a desired depth and rotation about the longitudinal axis of the shaft, thereby positioning the end effector to a degree. With judicious placement of the trocar and use of graspers, for instance, through another trocar, often this amount of positioning is sufficient. Surgical stapling and severing instruments, such as described in U.S. Pat. No. 5,465,895, are an example of an endoscopic surgical instrument that successfully positions an end effector by insertion and rotation.
  • [0005]
    More recently, U.S. patent Ser. No. 10/443,617, “SURGICAL STAPLING INSTRUMENT INCORPORATING AN E-BEAM FIRING MECHANISM” to Shelton et al., filed on 20 May 2003, which has been incorporated by reference in its entirety, describes an improved “E-beam” firing bar for severing tissue and actuating staples. Some of the additional advantages include affirmatively spacing the jaws of the end effector, or more specifically a staple applying assembly, even if slightly too much or too little tissue is clamped for optimal staple formation. Moreover, the E-beam firing bar engages the end effector and staple cartridge in a way that enables several beneficial lockouts to be incorporated.
  • [0006]
    Depending upon the nature of the operation, it may be desirable to further adjust the positioning of the end effector of an endoscopic surgical instrument. In particular, it is often desirable to orient the end effector at an axis transverse to the longitudinal axis of the shaft of the instrument. The transverse movement of the end effector relative to the instrument shaft is conventionally referred to as “articulation”. This is typically accomplished by a pivot (or articulation) joint being placed in the extended shaft just proximal to the staple applying assembly. This allows the surgeon to articulate the staple applying assembly remotely to either side for better surgical placement of the staple lines and easier tissue manipulation and orientation. This articulated positioning permits the clinician to more easily engage tissue in some instances, such as behind an organ. In addition, articulated positioning advantageously allows an endoscope to be positioned behind the end effector without being blocked by the instrument shaft.
  • [0007]
    Approaches to articulating a surgical stapling and severing instrument tend to be complicated by integrating control of the articulation along with the control of closing the end effector to clamp tissue and fire the end effector (i.e., stapling and severing) within the small diameter constraints of an endoscopic instrument. Generally, the three control motions are all transferred through the shaft as longitudinal translations. For instance, U.S. Pat. No. 5,673,840 discloses an accordion-like articulation mechanism (“flex-neck”) that is articulated by selectively drawing back one of two connecting rods through the implement shaft, each rod offset respectively on opposite sides of the shaft centerline. The connecting rods ratchet through a series of discrete positions.
  • [0008]
    Another example of longitudinal control of an articulation mechanism is U.S. Pat. No. 5,865,361 that includes an articulation link offset from a camming pivot such that pushing or pulling longitudinal translation of the articulation link effects articulation to a respective side. Similarly, U.S. Pat. No. 5,797,537 discloses a similar rod passing through the shaft to effect articulation.
  • [0009]
    In co-pending and commonly owned U.S. patent application Ser. No. 10/615,973, “SURGICAL INSTRUMENT INCORPORATING AN ARTICULATION MECHANISM HAVING ROTATION ABOUT THE LONGITUDINAL AXIS”, to Frederick E. Shelton IV et al, the disclosure of which is hereby incorporated by reference in its entirety, a rotational motion is used to transfer articulation motion as an alternative to a longitudinal motion.
  • [0010]
    In the application entitled “SURGICAL STAPLING INSTRUMENT INCORPORATING AN E-BEAM FIRING MECHANISM” to Shelton et al., Ser. No. 10/443,617, filed on 20 May 2003, the disclosure of which was previously incorporated by reference in its entirety, a surgical severing and stapling instrument, suitable for laparoscopic and endoscopic clinical procedures, clamps tissue within an end effector of an elongate channel pivotally opposed by an anvil. An E-beam firing bar moves distally through the clamped end effector to sever tissue and to drive staples on each side of the cut. The E-beam firing bar affirmatively spaces the anvil from the elongate channel to assure properly formed closed staples, especially when an amount of tissue is clamped that is inadequate to space the end effector. In particular, an upper pin of the firing bar longitudinally moves through an anvil slot and a channel slot is captured between a lower cap and a middle pin of the firing bar to assure a minimum spacing. While this E-beam firing bar has a number of advantages, additional features are desirable to enhance manufacturability and to minimize dimensional variations.
  • [0011]
    Consequently, a significant need exists for a surgical instrument with a firing bar that advantageously assures proper spacing between clamped jaws of an end effector and which facilitates articulation of its shaft.
  • BRIEF SUMMARY OF THE INVENTION
  • [0012]
    The invention overcomes the above-noted and other deficiencies of the prior art by providing a firing mechanism that affirmatively vertically spaces an end effector of a surgical stapling and severing instrument. Thus, the instrument structurally assures adequate spacing to achieve proper stapling, even in instances where too little tissue is clamped in the end effector. Integrally forming these features into an E-beam that includes a cutting edge realizes consistent spacing and performance as the E-beam fires through an end effector such as a severing and stapling assembly. Further, proximally attaching a separate, thinned firing bar to the E-beam enhances use in articulating surgical instruments wherein reduced cross sectional area and the ability to flex in a plane of articulation are desirable.
  • [0013]
    In one aspect of the invention, a surgical instrument includes a handle portion operable to produce a firing motion that actuates an implement portion. This implement portion has an elongate channel that receives a staple cartridge opposed by a pivotally attached anvil. A firing device includes a distally presented cutting edge longitudinally received between the elongate channel and the anvil, an upper member engageable to the anvil channel, a lower member engaging the channel slot, and a middle member operable to actuate the wedge sled, which is integral to the staple cartridge. The middle member advantageously opposes pinching of the end effector, assuring proper staple formation even when an otherwise too small amount of tissue has been clamped. These spacing and cutting features are advantageously formed into an E-beam while flexibility for articulation is provided by a thinned firing bar attached to the E-beam.
  • [0014]
    These and other objects and advantages of the present invention shall be made apparent from the accompanying drawings and the description thereof.
  • BRIEF DESCRIPTION OF THE FIGURES
  • [0015]
    The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and, together with the general description of the invention given above, and the detailed description of the embodiments given below, serve to explain the principles of the present invention.
  • [0016]
    FIG. 1 is a perspective view of an endoscopic surgical stapling instrument for surgical stapling and severing in an open, unarticulated state.
  • [0017]
    FIG. 2 is a left, front perspective view of an open staple applying assembly of the surgical stapling instrument of FIG. 1 with a right half portion of a replaceable staple cartridge included in a staple channel.
  • [0018]
    FIG. 3 is an exploded perspective view of the staple applying assembly of FIG. 2 with a complete replaceable staple cartridge and an alternative nonarticulating shaft configuration.
  • [0019]
    FIG. 4 is a perspective view of a two-piece knife and firing bar (“E-beam”) of the staple applying assembly of FIG. 2.
  • [0020]
    FIG. 5 is a perspective view of a wedge sled of a staple cartridge of the staple applying assembly of FIG. 1.
  • [0021]
    FIG. 6 is a left side view in elevation taken in longitudinal cross section along a centerline line 6-6 of the staple applying assembly of FIG. 2.
  • [0022]
    FIG. 7 is a perspective view of the open staple applying assembly of FIG. 2 without the replaceable staple cartridge, a portion of the staple channel proximate to a middle pin of two-piece knife and firing bar, and without a distal portion of a staple channel.
  • [0023]
    FIG. 8 is a front view in elevation taken in cross section along line 8-8 of the staple applying assembly of FIG. 2 depicting internal staple drivers of the staple cartridge and portions of the two-piece knife and firing bar.
  • [0024]
    FIG. 9 is a left side view in elevation taken generally along the longitudinal axis of line 6-6 of a closed staple applying assembly of FIG. 2 to include center contact points between the two-piece knife and wedge sled but also laterally offset to show staples and staple drivers within the staple cartridge.
  • [0025]
    FIG. 10 is a left side detail view in elevation of the staple applying assembly of FIG. 9 with the two-piece knife retracted slightly more as typical for staple cartridge replacement.
  • [0026]
    FIG. 11 is a left side detail view in elevation of the staple applying assembly of FIG. 10 with the two-piece knife beginning to fire, corresponding to the configuration depicted in FIG. 9.
  • [0027]
    FIG. 12 is a left side cross-sectional view in elevation of the closed staple applying assembly of FIG. 9 after the two-piece knife and firing bar has distally fired.
  • [0028]
    FIG. 13 is a left side cross-sectional view in elevation of the closed staple applying assembly of FIG. 12 after firing of the staple cartridge and retraction of the two-piece knife.
  • [0029]
    FIG. 14 is a left side cross-sectional detail view in elevation of the staple applying assembly of FIG. 13 with the two-piece knife allowed to drop into a lockout position.
  • [0030]
    FIG. 15 is a top view in section taken along lines 15-15 of an articulation joint (flex neck) of the surgical stapling instrument of FIG. 1.
  • [0031]
    FIG. 16 is a front view in elevation taken in vertical cross section along lines 16-16 of the articulation joint of FIG. 15, showing electroactive polymer (EAP) plate articulation actuators and EAP support plates for a firing bar.
  • [0032]
    FIG. 17 is a top view in section along lines 15-15 of the articulation joint of FIG. 16 after articulation.
  • [0033]
    FIG. 18 is a perspective view of the articulation joint of FIG. 15.
  • DETAILED DESCRIPTION OF THE INVENTION
  • [0034]
    In FIGS. 1-3, a surgical stapling instrument 10 has at its distal end an end effector, depicted as a staple applying assembly 12, spaced apart from a handle 14 (FIG. 2) by an elongate shaft 16. The staple applying assembly 12 includes a staple channel 18 for receiving a replaceable staple cartridge 20. Pivotally attached to the staple channel 18 is an anvil 22 that clamps tissue to the staple cartridge 20 and serves to deform staples 23 (FIG. 3) driven up from staple holes 24 in the staple cartridge 20 against staple forming recesses 26 (FIG. 6) in an anvil undersurface 28 into a closed shape. When the staple applying assembly 12 is closed, its cross sectional area, as well as the elongate shaft 16 are suitable for insertion through a small surgical opening, such as through a cannula of a trocar (not shown).
  • [0035]
    With particular reference to FIG. 1, correct placement and orientation of the staple applying assembly 12 is facilitated by controls on the handle 14. In particular, a rotation knob 30 causes rotation of the shaft 16 about its longitudinal axis, and hence rotation of the staple applying assembly 12. Additional positioning is enabled at an articulation joint 32 in the shaft 16 that pivots the staple applying assembly 12 in an arc from the longitudinal axis of the shaft 16, thereby allowing placement behind an organ or allowing other instruments such as an endoscope (not shown) to be oriented behind the staple applying assembly 12. This articulation is advantageously effected by an articulation control switch 34 on the handle 14 that transmits an electrical signal to the articulation joint 32 to an Electroactive Polymer (EAP) actuator 36, powered by an EAP controller and power supply 38 contained within the handle 14.
  • [0036]
    Once positioned with tissue in the staple applying assembly 12, a surgeon closes the anvil 22 by drawing a closure trigger 40 proximally toward a pistol grip 42. Once clamped thus, the surgeon may grasp a more distally presented firing trigger 44, drawing it back to effect firing of the staple applying assembly 12, which in some applications is achieved in one single firing stroke and in other applications by multiple firing strokes. Firing accomplishes simultaneously stapling of at least two rows of staples while severing the tissue therebetween.
  • [0037]
    Retraction of the firing components may be automatically initiated upon full travel. Alternatively, a retraction lever 46 may be drawn aft to effect retraction. With the firing components retracted, the staple applying assembly 12 may be unclamped and opened by the surgeon slightly drawing the closure trigger 40 aft toward the pistol grip 42 and depressing a closure release button 48 and then releasing the closure trigger 40, thereby releasing the two stapled ends of severed tissue from the staple applying assembly 12.
  • [0038]
    Staple applying assembly.
  • [0039]
    While an articulation joint 32 is depicted in FIG. 1, for clarity and as an alternative application, the surgical stapling instrument 10 of FIGS. 2-14 omit an articulation joint 32. It should be appreciated, however, that aspects of the present invention have particular advantages for articulation as described below with regard to FIGS. 15-18.
  • [0040]
    In FIGS. 1-3, the staple applying assembly 12 accomplishes the functions of clamping onto tissue, driving staples and severing tissue by two distinct motions transferred longitudinally down the shaft 16 over a shaft frame 70. This shaft frame 70 is proximally attached to the handle 14 and coupled for rotation with the rotation knob 30. An illustrative multi-stroke handle 14 for the surgical stapling and severing instrument 10 of FIG. 1 is described in greater detail in the co-pending and co-owned U.S. patent application entitled “SURGICAL STAPLING INSTRUMENT INCORPORATING A MULTISTROKE FIRING POSITION INDICATOR AND RETRACTION MECHANISM” to Swayze and Shelton, Ser. No. 10/374,026, the disclosure of which is hereby incorporated by reference in its entirety, with additional features and variation as described herein. While a multi-stroke handle 14 advantageously supports applications with high firing forces over a long distance, applications consistent with the present invention may incorporate a single firing stroke, such as described in co-pending and commonly owned U.S. patent application “SURGICAL STAPLING INSTRUMENT HAVING SEPARATE DISTINCT CLOSING AND FIRING SYSTEMS” to Frederick E. Shelton IV, Michael E. Setser, and Brian J. Hemmelgarn, Ser. No. 10/441,632, the disclosure of which is hereby incorporated by reference in its entirety.
  • [0041]
    With particular reference to FIG. 3, the distal end of the shaft frame 70 is attached to the staple channel 18. The anvil 22 has a proximal pivoting end 72 that is pivotally received within a proximal end 74 of the staple channel 18, just distal to its engagement to the shaft frame 70. The pivoting end 72 of the anvil 22 includes a closure feature 76 proximate but distal to its pivotal attachment with the staple channel 18. Thus, a closure tube 78, whose distal end includes a horseshoe aperture 80 that engages this closure feature 76, selectively imparts an opening motion to the anvil 22 during proximal longitudinal motion and a closing motion to the anvil 22 during distal longitudinal motion of the closure tube 78 sliding over the shaft frame 70 in response to the closure trigger 40.
  • [0042]
    The shaft frame 70 encompasses and guides a firing motion from the handle 14 through a longitudinally reciprocating, two-piece knife and firing bar 90. In particular, the shaft frame 70 includes a longitudinal firing bar slot 92 that receives a proximal portion of the two-piece knife and firing bar 90, specifically a laminate tapered firing bar 94. It should be appreciated that the laminated tapered firing bar 94 may be substituted with a solid firing bar or of other materials in applications not intended to pass through an articulation joint, such as depicted in FIGS. 2-14.
  • [0043]
    An E-beam 102 is the distal portion of the two-piece knife and firing bar 90, which facilitates separate closure and firing as well as spacing of the anvil 22 from the elongate staple channel 18 during firing. With particular reference to FIGS. 3-4, in addition to any attachment treatment such as brazing or an adhesive, the knife and firing bar 90 are formed of a female vertical attachment aperture 104 proximally formed in the E-beam 102 that receives a corresponding male attachment member 106 distally presented by the laminated tapered firing bar 94, allowing each portion to be formed of a selected material and process suitable for their disparate functions (e.g., strength, flexibility, friction). The E-beam 102 may be advantageously formed of a material having suitable material properties for forming a pair of top pins 110, a pair of middle pins 112 and a bottom pin or foot 114, as well as being able to acquire a sharp cutting edge 116. In addition, integrally formed and proximally projecting top guide 118 and middle guide 120 bracketing each vertical end of the cutting edge 116 further define a tissue staging area 122 assisting in guiding tissue to the sharp cutting edge 116 prior to being severed. The middle guide 120 also serves to engage and fire the staple applying apparatus 12 by abutting a stepped central member 124 of a wedge sled 126 (FIG. 5) that effects staple formation by the staple applying assembly 12, as described in greater detail below.
  • [0044]
    Forming these features (e.g., top pins 110, middle pins 112, and bottom foot 114) integrally with the E-beam 102 facilitates manufacturing at tighter tolerances relative to one another as compared to being assembled from a plurality of parts, ensuring desired operation during firing and/or effective interaction with various lockout features of the staple applying assembly 12.
  • [0045]
    In FIGS. 6-7, the surgical stapling instrument 10 is shown open, with the E-beam 102 fully retracted. During assembly, the lower foot 114 of the E-beam 102 is dropped through a widened hole 130 in the staple channel 18 and the E-beam 102 is then advanced such that the E-beam 102 slides distally along a lower track 132 formed in the staple channel 18. In particular, the lower track 132 includes a narrow slot 133 that opens up as a widened slot 134 on an undersurface of the staple channel 18 to form an inverted T-shape in lateral cross section, as depicted particularly in FIGS. 7 and 8, which communicates with the widened hole 130. Once assembled, the components proximally coupled to the laminate tapered firing bar 94 do not allow the lower foot 114 to proximally travel again to the widened hole 130 to permit disengagement.
  • [0046]
    In FIG. 9, the laminate tapered firing bar 94 facilitates insertion of the staple applying assembly 12 through a trocar. In particular, a more distal, downward projection 136 raises the E-beam 102 when fully retracted. This is accomplished by placement of the downward projection 136 at a point where it cams upwardly on a proximal edge of the widened hole 130 in the staple channel 18.
  • [0047]
    In FIG. 10, the laminate tapered firing bar 94 also enhances operation of certain lockout features that may be incorporated into the staple channel 18 by including a more proximal upward projection 138 that is urged downwardly by the shaft frame 70 during an initial portion of the firing travel. In particular, a lateral bar 140 is defined between a pair of square apertures 142 in the shaft frame 70 (FIG. 3). A clip spring 144 that encompasses the lateral bar 140 downwardly urges a portion of the laminate tapered firing bar 94 projecting distally out of the longitudinal firing bar slot 92, which ensures certain advantageous lockout features are engaged when appropriate. This urging is more pronounced or confined solely to that portion of the firing travel when the upward projection 138 contacts the clip spring 144.
  • [0048]
    In FIGS. 6-7, the E-beam 102 is retracted with the top pins 110 thereof residing within an anvil pocket 150 near the pivoting proximal end of the anvil 22. A downwardly open vertical anvil slot 152 (FIG. 2) laterally widens in the anvil 22 into an anvil internal track 154 that captures the top pins 110 of the E-beam 102 as they distally advance during firing, as depicted in FIGS. 9-10, affirmatively spacing the anvil 22 from the staple channel 18. Thus, with the E-beam 102 retracted, the surgeon is able to repeatably open and close the staple applying assembly 12 until satisfied with the placement and orientation of tissue captured therein for stapling and severing, yet the E-beam 102 assists in proper positioning of tissue even for a staple applying assembly 12 of reduced diameter and correspondingly reduced rigidity.
  • [0049]
    In FIGS. 2-3, 5-6, 8-14, the staple applying assembly 12 is shown with the replaceable staple cartridge 20 that includes the wedge sled 126. Longitudinally aligned and parallel plurality of downwardly open wedge slots 202 (FIG. 8) receive respective wedges 204 integral to the wedge sled 126. In FIGS. 8-10, the wedge sled 126 thus cams upwardly a plurality of staple drivers 206 that are vertically slidable within staple driver recesses 208. In this illustrative version, each staple driver 206 includes two vertical prongs, each translating upwardly into a respective staple hole 210 to upwardly force out and deform a staple 23 resting thereupon against a staple forming surface 214 (FIG. 10) of the anvil 22. A central firing recess 216 (FIG. 3) defined within the staple cartridge 20 proximate to the staple channel 18 allows the passage of the bottom, horizontal portion 218 (FIG. 5) of the wedge sled 126 as well as the middle pins 112 of the E-beam 102. Specifically, a staple cartridge tray 220 (FIGS. 3, 8) attaches to and underlies a polymer staple cartridge body 222 that has the staple driver recesses 208, staple holes 210, and central firing recess 216 formed therein. As staples 23 are thus formed to either side, the sharp cutting edge 116 enters a vertical through slot 230 passing through the longitudinal axis of the staple cartridge 20, excepting only a most distal end thereof.
  • [0050]
    Firing the staple applying assembly 12 begins as depicted in FIG. 10 with the two-piece knife and firing bar 90 proximally drawn until the downward projection 136 cams the middle guide 120 on the E-beam 102 upward and aft, allowing a new staple cartridge 20 to be inserted into the staple channel 18 when the anvil 22 is open as depicted in FIGS. 2, 6.
  • [0051]
    In FIG. 11, the two-piece knife and firing bar 90 has been distally advanced a small distance, allowing the downward projection 136 to drop into the widened hole 130 of the lower track 132 under the urging of the clip spring 144 against the upward projection 138 of the laminate tapered firing bar 94. The middle guide 120 prevents further downward rotation by resting upon the stepped central member 124 of the wedge sled 126, thus maintaining the middle pin 112 of the E-beam within the central firing recess 216.
  • [0052]
    In FIG. 12, the two-piece knife and firing bar 90 has been distally fired, advancing the wedge sled 126 to cause formation of staples 23 while severing tissue 242 clamped between the anvil 22 and staple cartridge 20 with the sharp cutting edge 116. Thereafter, in FIG. 13, the two-piece knife and firing bar 90 is retracted, leaving the wedge sled 126 distally positioned.
  • [0053]
    In FIG. 14, the middle pin 112 is allowed to translate down into a lockout recess 240 formed in the staple channel 18 (also see FIGS. 7, 10). Thus, the operator would receive a tactile indication as the middle pin 112 encounters the distal edge of the lockout recess 240 when the wedge sled 126 (not shown in FIG. 14) is not proximally positioned (i.e., missing staple cartridge 20 or spent staple cartridge 20).
  • [0054]
    In FIG. 1, an articulation joint 32 is depicted that advantageously benefits from the flexible strength of the two-piece knife and firing bar 90. In FIGS. 15-18, the articulation joint 32 is depicted as a flex neck joint 300 formed by vertebral column body 302 having laterally symmetric pairs of arcing recesses 304 that allow articulation in an articulation plane. It is generally known to simultaneously compress and expand respective lateral sides 306, 308 by selective movement of control rods (not shown) that longitudinally pass through the respective lateral sides 306, 308. Depicted, however, are EAP plate actuators 310, 312, each capable of powered deflection to one or both lateral directions.
  • [0055]
    A central passage 320 (FIG. 16) defined longitudinally through the vertebral column body 302 receives a pair of support plates 322, 324 that prevent buckling and binding of the laminate tapered firing bar 94. In the illustrative version, each support plate 322, 324 has a proximal fixed end 326 (FIG. 15) and a sliding end 328 to accommodate changes in radial distance during articulation. Having a firing bar 94 of a thinner thickness is thus supported.
  • [0056]
    While the present invention has been illustrated by description of several embodiments and while the illustrative embodiments have been described in considerable detail, it is not the intention of the applicant to restrict or in any way limit the scope of the appended claims to such detail. Additional advantages and modifications may readily appear to those skilled in the art.
  • [0057]
    For example, while there are a number of advantages to having a wedge sled integral to a staple cartridge, in some applications consistent with aspects of the present invention, the wedge sled may be integral instead to an E-beam. For instance, an entire end effector may be replaceable rather than just the staple cartridge.
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US3075062 *2 Feb 196022 Jan 1963J B T Instr IncToggle switch
US3490675 *10 Oct 196620 Jan 1970United States Surgical CorpInstrument for placing lateral gastrointestinal anastomoses
US3551987 *12 Sep 19685 Jan 1971Wilkinson Jack EStapling clamp for gastrointestinal surgery
US4428376 *14 Jun 198231 Jan 1984Ethicon Inc.Plastic surgical staple
US4565189 *24 Sep 198221 Jan 1986Bio Mabuchi Co. Ltd.Beauty treatment device
US4566620 *19 Oct 198428 Jan 1986United States Surgical CorporationArticulated surgical fastener applying apparatus
US4633874 *15 Mar 19856 Jan 1987Senmed, Inc.Surgical stapling instrument with jaw latching mechanism and disposable staple cartridge
US4719917 *17 Feb 198719 Jan 1988Minnesota Mining And Manufacturing CompanySurgical staple
US4892244 *7 Nov 19889 Jan 1990Ethicon, Inc.Surgical stapler cartridge lockout device
US4986808 *20 Dec 198822 Jan 1991Valleylab, Inc.Magnetostrictive transducer
US4988334 *26 May 198829 Jan 1991Valleylab, Inc.Ultrasonic surgical system with aspiration tubulation connector
US5080556 *28 Sep 199014 Jan 1992General Electric CompanyThermal seal for a gas turbine spacer disc
US5083695 *18 Dec 199028 Jan 1992Minnesota Mining And Manufacturing CompanyStapler and firing device
US5084057 *30 May 199028 Jan 1992United States Surgical CorporationApparatus and method for applying surgical clips in laparoscopic or endoscopic procedures
US5271543 *7 Feb 199221 Dec 1993Ethicon, Inc.Surgical anastomosis stapling instrument with flexible support shaft and anvil adjusting mechanism
US5275323 *20 Mar 19924 Jan 1994Ethicon, Inc.Surgical stapler
US5275608 *16 Oct 19914 Jan 1994Implemed, Inc.Generic endoscopic instrument
US5281216 *31 Mar 199225 Jan 1994Valleylab, Inc.Electrosurgical bipolar treating apparatus
US5379933 *15 Jun 199310 Jan 1995United States Surgical CorporationArcuate apparatus for applying two-part surgical fasteners
US5381782 *23 Feb 199317 Jan 1995Spectrum Medsystems CorporationBi-directional and multi-directional miniscopes
US5382247 *21 Jan 199417 Jan 1995Valleylab Inc.Technique for electrosurgical tips and method of manufacture and use
US5383880 *16 Dec 199224 Jan 1995Ethicon, Inc.Endoscopic surgical system with sensing means
US5383881 *22 Sep 199324 Jan 1995United States Surgical CorporationSafety device for use with endoscopic instrumentation
US5383888 *12 Feb 199224 Jan 1995United States Surgical CorporationArticulating endoscopic surgical apparatus
US5383895 *10 Feb 199324 Jan 1995Unisurge, Inc.Endoscopic surgical grasper and method
US5480089 *19 Aug 19942 Jan 1996United States Surgical CorporationSurgical stapler apparatus with improved staple pockets
US5480409 *10 May 19942 Jan 1996Riza; Erol D.Laparoscopic surgical instrument
US5482197 *17 May 19949 Jan 1996United States Surgical CorporationArticulating surgical cartridge assembly
US5484095 *27 Oct 199316 Jan 1996United States Surgical CorporationApparatus for endoscopically applying staples individually to body tissue
US5484398 *17 Mar 199416 Jan 1996Valleylab Inc.Methods of making and using ultrasonic handpiece
US5484451 *3 Sep 199316 Jan 1996Ethicon, Inc.Endoscopic surgical instrument and staples for applying purse string sutures
US5485947 *18 Mar 199423 Jan 1996Ethicon, Inc.Linear stapling mechanism with cutting means
US5485952 *23 Sep 199223 Jan 1996United States Surgical CorporationApparatus for applying surgical fasteners
US5487499 *8 Oct 199330 Jan 1996United States Surgical CorporationSurgical apparatus for applying surgical fasteners including a counter
US5487500 *29 Apr 199430 Jan 1996Ethicon Endo-Surgery, Inc.Surgical stapler instrument
US5591170 *14 Oct 19947 Jan 1997Genesis OrthopedicsIntramedullary bone cutting saw
US5591187 *14 Jul 19957 Jan 1997Dekel; MosheLaparoscopic tissue retrieval device and method
US5597107 *1 Jun 199528 Jan 1997Ethicon Endo-Surgery, Inc.Surgical stapler instrument
US5704087 *19 Sep 19956 Jan 1998Strub; RichardDental care apparatus and technique
US5704534 *30 Sep 19966 Jan 1998Ethicon Endo-Surgery, Inc.Articulation assembly for surgical instruments
US5706997 *7 Jun 199513 Jan 1998United States Surgical CorporationApparatus for applying surgical fasteners
US5706998 *17 Jul 199513 Jan 1998United States Surgical CorporationSurgical stapler with alignment pin locking mechanism
US5707392 *29 Sep 199513 Jan 1998Symbiosis CorporationHermaphroditic stamped forceps jaw for disposable endoscopic biopsy forceps and method of making the same
US5709334 *25 Jan 199620 Jan 1998United States Surgical CorporationSurgical apparatus for applying surgical fasteners
US5709680 *22 Dec 199420 Jan 1998Ethicon Endo-Surgery, Inc.Electrosurgical hemostatic device
US5711472 *16 May 199427 Jan 1998United States Surgical CorporationSelf contained gas powered surgical apparatus
US5855311 *7 Jun 19955 Jan 1999Ethicon Endo-SurgeryReloadable surgical instrument
US5855583 *22 Nov 19965 Jan 1999Computer Motion, Inc.Method and apparatus for performing minimally invasive cardiac procedures
US5860975 *15 Dec 199519 Jan 1999Gyrus Medical LimitedElectrosurgical instrument
US6010054 *7 Dec 19984 Jan 2000Imagyn Medical TechnologiesLinear stapling instrument with improved staple cartridge
US6012494 *18 Mar 199611 Jan 2000Deutsche Forschungsanstalt Fur Luft- Und Raumfahrt E.V.Flexible structure
US6013076 *25 Oct 199611 Jan 2000Gyrus Medical LimitedElectrosurgical instrument
US6015406 *21 Aug 199618 Jan 2000Gyrus Medical LimitedElectrosurgical instrument
US6017356 *19 Sep 199725 Jan 2000Ethicon Endo-Surgery Inc.Method for using a trocar for penetration and skin incision
US6168605 *8 Jul 19992 Jan 2001Ethicon Endo-Surgery, Inc.Curved laparoscopic scissor having arcs of curvature
US6171316 *10 Oct 19979 Jan 2001Origin Medsystems, Inc.Endoscopic surgical instrument for rotational manipulation
US6171330 *15 Dec 19979 Jan 2001Sofradim ProductionPneumatic surgical instrument for the distribution and placement of connecting or fastening means
US6174308 *26 May 199916 Jan 2001Gyrus Medical LimitedElectrosurgical instrument
US6179776 *12 Mar 199930 Jan 2001Scimed Life Systems, Inc.Controllable endoscopic sheath apparatus and related method of use
US6181105 *9 Jul 199930 Jan 2001Exonix CorporationSelf contained transportable power source maintenance and charge
US6336926 *18 Jan 20008 Jan 2002Gyrus Medical LimitedElectrosurgical system
US6503257 *7 May 20017 Jan 2003Ethicon Endo-Surgery, Inc.Method for releasing buttress material attached to a surgical fastening device
US6503259 *27 Dec 20007 Jan 2003Ethicon, Inc.Expandable anastomotic device
US6505768 *4 Jun 200114 Jan 2003Power Medical Interventions, Inc.Expanding parallel jaw device for use with an electromechanical driver device
US6510854 *6 Mar 200128 Jan 2003Gyrus Medical LimitedMethod of treatment of prostatic adenoma
US6511468 *31 Aug 199928 Jan 2003Micro Therapeutics, Inc.Device and method for controlling injection of liquid embolic composition
US6676660 *23 Jan 200213 Jan 2004Ethicon Endo-Surgery, Inc.Feedback light apparatus and method for use with an electrosurgical instrument
US6679410 *16 Jul 200220 Jan 2004Hilti AktiengesellschaftSetting tool with a setting depth control
US6681978 *19 Jan 200127 Jan 2004United States Surgical CorporationSurgical stapler
US6681979 *25 Nov 200227 Jan 2004Power Medical Interventions, Inc.Fluid delivery device for use with anastomosing stapling, and resecting instruments
US6682528 *17 Sep 200227 Jan 2004Sherwood Services AgEndoscopic bipolar electrosurgical forceps
US6843403 *13 Nov 200118 Jan 2005Power Medical Interventions, Inc.Surgical clamping, cutting and stapling device
US6843789 *2 Jul 200218 Jan 2005Gyrus Medical LimitedElectrosurgical system
US6846307 *27 Sep 200225 Jan 2005Power Medical Interventions, Inc.Electro-mechanical surgical device
US6846308 *26 Sep 200225 Jan 2005Power Medical Interventions, Inc.Electro-mechanical surgical device
US6846309 *26 Sep 200225 Jan 2005Power Medical Interventions, Inc.Electro-mechanical surgical device
US6981628 *9 Jul 20033 Jan 2006Ethicon Endo-Surgery, Inc.Surgical instrument with a lateral-moving articulation control
US6981941 *17 Apr 20013 Jan 2006Power Medical InterventionsElectro-mechanical surgical device
US6981978 *30 Aug 20023 Jan 2006Satiety, Inc.Methods and devices for maintaining a space occupying device in a relatively fixed location within a stomach
US6984203 *27 Nov 200210 Jan 2006Neoguide Systems, Inc.Endoscope with adjacently positioned guiding apparatus
US6984231 *27 Aug 200210 Jan 2006Gyrus Medical LimitedElectrosurgical system
US6988649 *20 May 200324 Jan 2006Ethicon Endo-Surgery, Inc.Surgical stapling instrument having a spent cartridge lockout
US6988650 *20 Dec 200424 Jan 2006Ethicon Endo-Surgery, Inc.Retaining pin lever advancement mechanism for a curved cutter stapler
US6989451 *4 Jun 200324 Jan 2006Valeant Research & DevelopmentHeterocyclic compounds and uses thereof
US6990796 *30 Dec 200331 Jan 2006The Schnipke Family Limited Liability CompanyRobotic loader for surgical stapling cartridge
US7156863 *15 Mar 20012 Jan 2007Medigus Ltd.Fundoplication apparatus and method
US7159750 *17 Jun 20049 Jan 2007Tyco Healtcare Group LpSurgical stapling device
US7160299 *28 Apr 20049 Jan 2007Sherwood Services AgMethod of fusing biomaterials with radiofrequency energy
US7161036 *20 Dec 20049 Jan 2007Sumitomo Chemical Company, LimitedProcess for producing oxime
US20040002726 *28 Jun 20021 Jan 2004George NunezBalloon-type actuator for surgical applications
US20040006335 *8 Jul 20028 Jan 2004Garrison Lawrence L.Cauterizing surgical saw
US20040006340 *2 Jul 20028 Jan 2004Gyrus Medical, Inc.Bipolar electrosurgical instrument for cutting, desiccating and sealing tissue
US20040006372 *28 Apr 20038 Jan 2004Racenet David C.Directionally biased staple and method of manufacturing
US20060004407 *17 Feb 20055 Jan 2006Hiles Michael CMedical devices and methods useful for applying bolster material
US20060008787 *30 Jun 200512 Jan 2006Robert HaymanVoice alert in dentistry
US20060011699 *6 Oct 200319 Jan 2006Tyco Healthcare Group LpSurgical stapler with universal articulation and tissue pre-clamp
US20060015009 *14 Sep 200519 Jan 2006Ross JaffeEndoscope having a guide tube
US20060020247 *5 May 200526 Jan 2006Jonathan KaganDevices and methods for attaching an endolumenal gastrointestinal implant
US20070187453 *29 Sep 200616 Aug 2007Kms Medical LlcSurgical stapling and cutting device
USD484977 *22 Mar 20026 Jan 2004Gyrus Ent L.L.C.Surgical tool blade holder
USRE34519 *31 Dec 199125 Jan 1994Ethicon, Inc.Surgical stapler cartridge lockout device
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US806616723 Mar 200929 Nov 2011Ethicon Endo-Surgery, Inc.Circular surgical stapling instrument with anvil locking system
US81134109 Feb 201114 Feb 2012Ethicon Endo-Surgery, Inc.Surgical stapling apparatus with control features
US813671210 Dec 200920 Mar 2012Ethicon Endo-Surgery, Inc.Surgical stapler with discrete staple height adjustment and tactile feedback
US814176219 Nov 200927 Mar 2012Ethicon Endo-Surgery, Inc.Surgical stapler comprising a staple pocket
US815714531 May 200717 Apr 2012Ethicon Endo-Surgery, Inc.Pneumatically powered surgical cutting and fastening instrument with electrical feedback
US81571534 Feb 201117 Apr 2012Ethicon Endo-Surgery, Inc.Surgical instrument with force-feedback capabilities
US816197723 Sep 200824 Apr 2012Ethicon Endo-Surgery, Inc.Accessing data stored in a memory of a surgical instrument
US816718518 Nov 20101 May 2012Ethicon Endo-Surgery, Inc.Surgical instrument having recording capabilities
US81721244 Feb 20118 May 2012Ethicon Endo-Surgery, Inc.Surgical instrument having recording capabilities
US818655531 Jan 200629 May 2012Ethicon Endo-Surgery, Inc.Motor-driven surgical cutting and fastening instrument with mechanical closure system
US818656016 Oct 200929 May 2012Ethicon Endo-Surgery, Inc.Surgical stapling systems and staple cartridges for deploying surgical staples with tissue compression features
US819679513 Aug 201012 Jun 2012Ethicon Endo-Surgery, Inc.Disposable motor-driven loading unit for use with a surgical cutting and stapling apparatus
US81967963 Feb 201112 Jun 2012Ethicon Endo-Surgery, Inc.Shaft based rotary drive system for surgical instruments
US82057813 Jun 201126 Jun 2012Ethicon Endo-Surgery, Inc.Surgical stapler with apparatus for adjusting staple height
US821041123 Sep 20083 Jul 2012Ethicon Endo-Surgery, Inc.Motor-driven surgical cutting instrument
US821553129 Jan 201010 Jul 2012Ethicon Endo-Surgery, Inc.Surgical stapling instrument having a medical substance dispenser
US822068824 Dec 200917 Jul 2012Ethicon Endo-Surgery, Inc.Motor-driven surgical cutting instrument with electric actuator directional control assembly
US826730030 Dec 200918 Sep 2012Ethicon Endo-Surgery, Inc.Dampening device for endoscopic surgical stapler
US82921552 Jun 201123 Oct 2012Ethicon Endo-Surgery, Inc.Motor-driven surgical cutting and fastening instrument with tactile position feedback
US830804022 Apr 201013 Nov 2012Ethicon Endo-Surgery, Inc.Surgical stapling instrument with an articulatable end effector
US831707028 Feb 200727 Nov 2012Ethicon Endo-Surgery, Inc.Surgical stapling devices that produce formed staples having different lengths
US832245527 Jun 20064 Dec 2012Ethicon Endo-Surgery, Inc.Manually driven surgical cutting and fastening instrument
US83225892 Jul 20104 Dec 2012Ethicon Endo-Surgery, Inc.Surgical stapling instruments
US83333133 Jun 201118 Dec 2012Ethicon Endo-Surgery, Inc.Surgical stapling instrument with a firing member return mechanism
US834812919 Nov 20098 Jan 2013Ethicon Endo-Surgery, Inc.Surgical stapler having a closure mechanism
US834813129 Sep 20068 Jan 2013Ethicon Endo-Surgery, Inc.Surgical stapling instrument with mechanical indicator to show levels of tissue compression
US83534371 Feb 201015 Jan 2013Ethicon Endo-Surgery, Inc.Surgical stapling instrument with a geared return mechanism
US835343819 Nov 200915 Jan 2013Ethicon Endo-Surgery, Inc.Circular stapler introducer with rigid cap assembly configured for easy removal
US835343919 Nov 200915 Jan 2013Ethicon Endo-Surgery, Inc.Circular stapler introducer with radially-openable distal end portion
US83602969 Sep 201029 Jan 2013Ethicon Endo-Surgery, Inc.Surgical stapling head assembly with firing lockout for a surgical stapler
US836029729 Sep 200629 Jan 2013Ethicon Endo-Surgery, Inc.Surgical cutting and stapling instrument with self adjusting anvil
US836597629 Sep 20065 Feb 2013Ethicon Endo-Surgery, Inc.Surgical staples having dissolvable, bioabsorbable or biofragmentable portions and stapling instruments for deploying the same
US837149115 Feb 200812 Feb 2013Ethicon Endo-Surgery, Inc.Surgical end effector having buttress retention features
US839351430 Sep 201012 Mar 2013Ethicon Endo-Surgery, Inc.Selectively orientable implantable fastener cartridge
US83979715 Feb 200919 Mar 2013Ethicon Endo-Surgery, Inc.Sterilizable surgical instrument
US840843922 Apr 20102 Apr 2013Ethicon Endo-Surgery, Inc.Surgical stapling instrument with an articulatable end effector
US841457719 Nov 20099 Apr 2013Ethicon Endo-Surgery, Inc.Surgical instruments and components for use in sterile environments
US84247404 Nov 201023 Apr 2013Ethicon Endo-Surgery, Inc.Surgical instrument having a directional switching mechanism
US844403629 Jul 201021 May 2013Ethicon Endo-Surgery, Inc.Motor driven surgical fastener device with mechanisms for adjusting a tissue gap within the end effector
US845390729 Jul 20104 Jun 2013Ethicon Endo-Surgery, Inc.Motor driven surgical fastener device with cutting member reversing mechanism
US845390812 Aug 20104 Jun 2013Ethicon Endo-Surgery, Inc.Surgical stapling instrument with improved firing trigger arrangement
US845391429 May 20124 Jun 2013Ethicon Endo-Surgery, Inc.Motor-driven surgical cutting instrument with electric actuator directional control assembly
US845952010 Jan 200711 Jun 2013Ethicon Endo-Surgery, Inc.Surgical instrument with wireless communication between control unit and remote sensor
US845952514 Feb 200811 Jun 2013Ethicon Endo-Sugery, Inc.Motorized surgical cutting and fastening instrument having a magnetic drive train torque limiting device
US846492328 Jan 201018 Jun 2013Ethicon Endo-Surgery, Inc.Surgical stapling devices for forming staples with different formed heights
US847467730 Sep 20102 Jul 2013Ethicon Endo-Surgery, Inc.Fastener system comprising a retention matrix and a cover
US84799699 Feb 20129 Jul 2013Ethicon Endo-Surgery, Inc.Drive interface for operably coupling a manipulatable surgical tool to a robot
US848541229 Sep 200616 Jul 2013Ethicon Endo-Surgery, Inc.Surgical staples having attached drivers and stapling instruments for deploying the same
US84854135 Feb 200916 Jul 2013Ethicon Endo-Surgery, Inc.Surgical stapling instrument comprising an articulation joint
US849999312 Jun 20126 Aug 2013Ethicon Endo-Surgery, Inc.Surgical staple cartridge
US85172395 Feb 200927 Aug 2013Ethicon Endo-Surgery, Inc.Surgical stapling instrument comprising a magnetic element driver
US851724314 Feb 201127 Aug 2013Ethicon Endo-Surgery, Inc.Surgical instrument with wireless communication between control unit and remote sensor
US85172449 Jul 201227 Aug 2013Ethicon Endo-Surgery, Inc.Surgical stapling instrument having a medical substance dispenser
US852960030 Sep 201010 Sep 2013Ethicon Endo-Surgery, Inc.Fastener system comprising a retention matrix
US85345281 Mar 201117 Sep 2013Ethicon Endo-Surgery, Inc.Surgical instrument having a multiple rate directional switching mechanism
US854012811 Jan 200724 Sep 2013Ethicon Endo-Surgery, Inc.Surgical stapling device with a curved end effector
US854012926 Jul 201024 Sep 2013Ethicon Endo-Surgery, Inc.Surgical stapling instrument with improved firing trigger arrangement
US85401308 Feb 201124 Sep 2013Ethicon Endo-Surgery, Inc.Disposable motor-driven loading unit for use with a surgical cutting and stapling apparatus
US854013115 Mar 201124 Sep 2013Ethicon Endo-Surgery, Inc.Surgical staple cartridges with tissue tethers for manipulating divided tissue and methods of using same
US854013317 Mar 201024 Sep 2013Ethicon Endo-Surgery, Inc.Staple cartridge
US856187028 Feb 201122 Oct 2013Ethicon Endo-Surgery, Inc.Surgical stapling instrument
US856765628 Mar 201129 Oct 2013Ethicon Endo-Surgery, Inc.Staple cartridges for forming staples having differing formed staple heights
US85734619 Feb 20125 Nov 2013Ethicon Endo-Surgery, Inc.Surgical stapling instruments with cam-driven staple deployment arrangements
US85734659 Feb 20125 Nov 2013Ethicon Endo-Surgery, Inc.Robotically-controlled surgical end effector system with rotary actuated closure systems
US858491914 Feb 200819 Nov 2013Ethicon Endo-Sugery, Inc.Surgical stapling apparatus with load-sensitive firing mechanism
US859076229 Jun 200726 Nov 2013Ethicon Endo-Surgery, Inc.Staple cartridge cavity configurations
US86022871 Jun 201210 Dec 2013Ethicon Endo-Surgery, Inc.Motor driven surgical cutting instrument
US86022889 Feb 201210 Dec 2013Ethicon Endo-Surgery. Inc.Robotically-controlled motorized surgical end effector system with rotary actuated closure systems having variable actuation speeds
US860804415 Feb 200817 Dec 2013Ethicon Endo-Surgery, Inc.Feedback and lockout mechanism for surgical instrument
US860804510 Oct 200817 Dec 2013Ethicon Endo-Sugery, Inc.Powered surgical cutting and stapling apparatus with manually retractable firing system
US86080467 Jan 201017 Dec 2013Ethicon Endo-Surgery, Inc.Test device for a surgical tool
US86164319 Feb 201231 Dec 2013Ethicon Endo-Surgery, Inc.Shiftable drive interface for robotically-controlled surgical tool
US862227414 Feb 20087 Jan 2014Ethicon Endo-Surgery, Inc.Motorized cutting and fastening instrument having control circuit for optimizing battery usage
US862227519 Nov 20097 Jan 2014Ethicon Endo-Surgery, Inc.Circular stapler introducer with rigid distal end portion
US863198717 May 201021 Jan 2014Ethicon Endo-Surgery, Inc.Pneumatically powered surgical cutting and fastening instrument with a variable control of the actuating rate of firing with mechanical power assist
US863246213 Jul 201121 Jan 2014Ethicon Endo-Surgery, Inc.Trans-rectum universal ports
US86361873 Feb 201128 Jan 2014Ethicon Endo-Surgery, Inc.Surgical stapling systems that produce formed staples having different lengths
US863673614 Feb 200828 Jan 2014Ethicon Endo-Surgery, Inc.Motorized surgical cutting and fastening instrument
US863676630 Nov 201228 Jan 2014Covidien LpSurgical stapling apparatus including sensing mechanism
US865212010 Jan 200718 Feb 2014Ethicon Endo-Surgery, Inc.Surgical instrument with wireless communication between control unit and sensor transponders
US865717414 Feb 200825 Feb 2014Ethicon Endo-Surgery, Inc.Motorized surgical cutting and fastening instrument having handle based power source
US865717629 Apr 201125 Feb 2014Ethicon Endo-Surgery, Inc.Tissue thickness compensator for a surgical stapler
US86571789 Jan 201325 Feb 2014Ethicon Endo-Surgery, Inc.Surgical stapling apparatus
US866813024 May 201211 Mar 2014Ethicon Endo-Surgery, Inc.Surgical stapling systems and staple cartridges for deploying surgical staples with tissue compression features
US867220730 Jul 201018 Mar 2014Ethicon Endo-Surgery, Inc.Transwall visualization arrangements and methods for surgical circular staplers
US86722085 Mar 201018 Mar 2014Ethicon Endo-Surgery, Inc.Surgical stapling instrument having a releasable buttress material
US868425327 May 20111 Apr 2014Ethicon Endo-Surgery, Inc.Surgical instrument with wireless communication between a control unit of a robotic system and remote sensor
US86958661 Oct 201015 Apr 2014Ethicon Endo-Surgery, Inc.Surgical instrument having a power control circuit
US873361329 Sep 201027 May 2014Ethicon Endo-Surgery, Inc.Staple cartridge
US873447813 Jul 201127 May 2014Ethicon Endo-Surgery, Inc.Rectal manipulation devices
US874003430 Sep 20103 Jun 2014Ethicon Endo-Surgery, Inc.Surgical stapling instrument with interchangeable staple cartridge arrangements
US87400361 Dec 20113 Jun 2014Covidien LpSurgical instrument with actuator spring arm
US874003730 Sep 20103 Jun 2014Ethicon Endo-Surgery, Inc.Compressible fastener cartridge
US874003829 Apr 20113 Jun 2014Ethicon Endo-Surgery, Inc.Staple cartridge comprising a releasable portion
US87465292 Dec 201110 Jun 2014Ethicon Endo-Surgery, Inc.Accessing data stored in a memory of a surgical instrument
US874653028 Sep 201210 Jun 2014Ethicon Endo-Surgery, Inc.Surgical instrument with wireless communication between control unit and remote sensor
US874653529 Apr 201110 Jun 2014Ethicon Endo-Surgery, Inc.Tissue thickness compensator comprising detachable portions
US874723828 Jun 201210 Jun 2014Ethicon Endo-Surgery, Inc.Rotary drive shaft assemblies for surgical instruments with articulatable end effectors
US875269930 Sep 201017 Jun 2014Ethicon Endo-Surgery, Inc.Implantable fastener cartridge comprising bioabsorbable layers
US875274720 Mar 201217 Jun 2014Ethicon Endo-Surgery, Inc.Surgical instrument having recording capabilities
US875274927 May 201117 Jun 2014Ethicon Endo-Surgery, Inc.Robotically-controlled disposable motor-driven loading unit
US875746530 Sep 201024 Jun 2014Ethicon Endo-Surgery, Inc.Fastener system comprising a retention matrix and an alignment matrix
US87638756 Mar 20131 Jul 2014Ethicon Endo-Surgery, Inc.End effector for use with a surgical fastening instrument
US876387630 Jun 20111 Jul 2014Covidien LpSurgical instrument and cartridge for use therewith
US876387730 Sep 20101 Jul 2014Ethicon Endo-Surgery, Inc.Surgical instruments with reconfigurable shaft segments
US87638791 Mar 20111 Jul 2014Ethicon Endo-Surgery, Inc.Accessing data stored in a memory of surgical instrument
US877700429 Apr 201115 Jul 2014Ethicon Endo-Surgery, Inc.Compressible staple cartridge comprising alignment members
US87835419 Feb 201222 Jul 2014Frederick E. Shelton, IVRobotically-controlled surgical end effector system
US878354230 Sep 201022 Jul 2014Ethicon Endo-Surgery, Inc.Fasteners supported by a fastener cartridge support
US878354330 Jul 201022 Jul 2014Ethicon Endo-Surgery, Inc.Tissue acquisition arrangements and methods for surgical stapling devices
US87897396 Sep 201129 Jul 2014Ethicon Endo-Surgery, Inc.Continuous stapling instrument
US878974030 Jul 201029 Jul 2014Ethicon Endo-Surgery, Inc.Linear cutting and stapling device with selectively disengageable cutting member
US878974123 Sep 201129 Jul 2014Ethicon Endo-Surgery, Inc.Surgical instrument with trigger assembly for generating multiple actuation motions
US879449718 Dec 20125 Aug 2014Ethicon Endo-Surgery, Inc.Surgical stapling head assembly with firing lockout for a surgical stapler
US88008389 Feb 201212 Aug 2014Ethicon Endo-Surgery, Inc.Robotically-controlled cable-based surgical end effectors
US880084115 Mar 201112 Aug 2014Ethicon Endo-Surgery, Inc.Surgical staple cartridges
US880173430 Jul 201012 Aug 2014Ethicon Endo-Surgery, Inc.Circular stapling instruments with secondary cutting arrangements and methods of using same
US880173530 Jul 201012 Aug 2014Ethicon Endo-Surgery, Inc.Surgical circular stapler with tissue retention arrangements
US880832519 Nov 201219 Aug 2014Ethicon Endo-Surgery, Inc.Surgical stapling instrument with staples having crown features for increasing formed staple footprint
US881402430 Sep 201026 Aug 2014Ethicon Endo-Surgery, Inc.Fastener system comprising a plurality of connected retention matrix elements
US88206031 Mar 20112 Sep 2014Ethicon Endo-Surgery, Inc.Accessing data stored in a memory of a surgical instrument
US88206059 Feb 20122 Sep 2014Ethicon Endo-Surgery, Inc.Robotically-controlled surgical instruments
US882790313 Jul 20119 Sep 2014Ethicon Endo-Surgery, Inc.Modular tool heads for use with circular surgical instruments
US88336326 Sep 201116 Sep 2014Ethicon Endo-Surgery, Inc.Firing member displacement system for a stapling instrument
US884000330 Sep 201023 Sep 2014Ethicon Endo-Surgery, Inc.Surgical stapling instrument with compact articulation control arrangement
US88406033 Jun 201023 Sep 2014Ethicon Endo-Surgery, Inc.Surgical instrument with wireless communication between control unit and sensor transponders
US88447899 Feb 201230 Sep 2014Ethicon Endo-Surgery, Inc.Automated end effector component reloading system for use with a robotic system
US885135424 Dec 20097 Oct 2014Ethicon Endo-Surgery, Inc.Surgical cutting instrument that analyzes tissue thickness
US885769315 Mar 201114 Oct 2014Ethicon Endo-Surgery, Inc.Surgical instruments with lockable articulating end effector
US885769429 Apr 201114 Oct 2014Ethicon Endo-Surgery, Inc.Staple cartridge loading assembly
US885859013 Jul 201114 Oct 2014Ethicon Endo-Surgery, Inc.Tissue manipulation devices
US886400730 Sep 201021 Oct 2014Ethicon Endo-Surgery, Inc.Implantable fastener cartridge having a non-uniform arrangement
US886400929 Apr 201121 Oct 2014Ethicon Endo-Surgery, Inc.Tissue thickness compensator for a surgical stapler comprising an adjustable anvil
US886401020 Jan 201221 Oct 2014Covidien LpCurved guide member for articulating instruments
US887597215 Feb 20114 Nov 2014Ethicon Endo-Surgery, Inc.End effector coupling arrangements for a surgical cutting and stapling instrument
US889394923 Sep 201125 Nov 2014Ethicon Endo-Surgery, Inc.Surgical stapler with floating anvil
US88939509 Oct 201225 Nov 2014Covidien LpSurgical apparatus for applying tissue fasteners
US889946112 Aug 20112 Dec 2014Covidien LpTissue stop for surgical instrument
US889946330 Sep 20102 Dec 2014Ethicon Endo-Surgery, Inc.Surgical staple cartridges supporting non-linearly arranged staples and surgical stapling instruments with common staple-forming pockets
US88994655 Mar 20132 Dec 2014Ethicon Endo-Surgery, Inc.Staple cartridge comprising drivers for deploying a plurality of staples
US889946619 Nov 20092 Dec 2014Ethicon Endo-Surgery, Inc.Devices and methods for introducing a surgical circular stapling instrument into a patient
US89059771 Jun 20059 Dec 2014Ethicon Endo-Surgery, Inc.Surgical stapling instrument having an electroactive polymer actuated medical substance dispenser
US891147114 Sep 201216 Dec 2014Ethicon Endo-Surgery, Inc.Articulatable surgical device
US892578230 Sep 20106 Jan 2015Ethicon Endo-Surgery, Inc.Implantable fastener cartridge comprising multiple layers
US89257883 Mar 20146 Jan 2015Ethicon Endo-Surgery, Inc.End effectors for surgical stapling instruments
US892659815 Mar 20116 Jan 2015Ethicon Endo-Surgery, Inc.Surgical instruments with articulatable and rotatable end effector
US893168113 May 201413 Jan 2015Covidien LpSurgical instrument and cartridge for use therewith
US893168227 May 201113 Jan 2015Ethicon Endo-Surgery, Inc.Robotically-controlled shaft based rotary drive systems for surgical instruments
US893934331 Dec 201327 Jan 2015Covidien LpSurgical stapling apparatus including a drive beam
US897380418 Mar 201410 Mar 2015Ethicon Endo-Surgery, Inc.Cartridge assembly having a buttressing member
US897895429 Apr 201117 Mar 2015Ethicon Endo-Surgery, Inc.Staple cartridge comprising an adjustable distal portion
US897895513 Jul 201117 Mar 2015Ethicon Endo-Surgery, Inc.Anvil assemblies with collapsible frames for circular staplers
US897895630 Sep 201017 Mar 2015Ethicon Endo-Surgery, Inc.Jaw closure arrangements for surgical instruments
US897982714 Mar 201217 Mar 2015Covidien LpSurgical instrument with articulation mechanism
US899167629 Jun 200731 Mar 2015Ethicon Endo-Surgery, Inc.Surgical staple having a slidable crown
US899167721 May 201431 Mar 2015Ethicon Endo-Surgery, Inc.Detachable motor powered surgical instrument
US899242227 May 201131 Mar 2015Ethicon Endo-Surgery, Inc.Robotically-controlled endoscopic accessory channel
US899805820 May 20147 Apr 2015Ethicon Endo-Surgery, Inc.Detachable motor powered surgical instrument
US900523018 Jan 201314 Apr 2015Ethicon Endo-Surgery, Inc.Motorized surgical instrument
US901653925 Oct 201128 Apr 2015Covidien LpMulti-use loading unit
US901654229 Apr 201128 Apr 2015Ethicon Endo-Surgery, Inc.Staple cartridge comprising compressible distortion resistant components
US902781715 Dec 201412 May 2015Covidien LpSurgical stapling apparatus including sensing mechanism
US902849428 Jun 201212 May 2015Ethicon Endo-Surgery, Inc.Interchangeable end effector coupling arrangement
US90285197 Feb 201112 May 2015Ethicon Endo-Surgery, Inc.Motorized surgical instrument
US903320330 Sep 201019 May 2015Ethicon Endo-Surgery, Inc.Fastening instrument for deploying a fastener system comprising a retention matrix
US903320413 Jul 201119 May 2015Ethicon Endo-Surgery, Inc.Circular stapling devices with tissue-puncturing anvil features
US904422730 Sep 20102 Jun 2015Ethicon Endo-Surgery, Inc.Collapsible fastener cartridge
US904422830 Sep 20102 Jun 2015Ethicon Endo-Surgery, Inc.Fastener system comprising a plurality of fastener cartridges
US904422915 Mar 20112 Jun 2015Ethicon Endo-Surgery, Inc.Surgical fastener instruments
US904423013 Feb 20122 Jun 2015Ethicon Endo-Surgery, Inc.Surgical cutting and fastening instrument with apparatus for determining cartridge and firing motion status
US905008323 Sep 20089 Jun 2015Ethicon Endo-Surgery, Inc.Motorized surgical instrument
US905008423 Sep 20119 Jun 2015Ethicon Endo-Surgery, Inc.Staple cartridge including collapsible deck arrangement
US905594123 Sep 201116 Jun 2015Ethicon Endo-Surgery, Inc.Staple cartridge including collapsible deck
US906077027 May 201123 Jun 2015Ethicon Endo-Surgery, Inc.Robotically-driven surgical instrument with E-beam driver
US907251525 Jun 20147 Jul 2015Ethicon Endo-Surgery, Inc.Surgical stapling apparatus
US907253527 May 20117 Jul 2015Ethicon Endo-Surgery, Inc.Surgical stapling instruments with rotatable staple deployment arrangements
US907253628 Jun 20127 Jul 2015Ethicon Endo-Surgery, Inc.Differential locking arrangements for rotary powered surgical instruments
US907865326 Mar 201214 Jul 2015Ethicon Endo-Surgery, Inc.Surgical stapling device with lockout system for preventing actuation in the absence of an installed staple cartridge
US908460115 Mar 201321 Jul 2015Ethicon Endo-Surgery, Inc.Detachable motor powered surgical instrument
US908933013 Jul 201128 Jul 2015Ethicon Endo-Surgery, Inc.Surgical bowel retractor devices
US909533919 May 20144 Aug 2015Ethicon Endo-Surgery, Inc.Detachable motor powered surgical instrument
US910135815 Jun 201211 Aug 2015Ethicon Endo-Surgery, Inc.Articulatable surgical instrument comprising a firing drive
US910138528 Jun 201211 Aug 2015Ethicon Endo-Surgery, Inc.Electrode connections for rotary driven surgical tools
US91076636 Sep 201118 Aug 2015Ethicon Endo-Surgery, Inc.Stapling instrument comprising resettable staple drivers
US911386230 Sep 201025 Aug 2015Ethicon Endo-Surgery, Inc.Surgical stapling instrument with a variable staple forming system
US911386430 Sep 201025 Aug 2015Ethicon Endo-Surgery, Inc.Surgical cutting and fastening instruments with separate and distinct fastener deployment and tissue cutting systems
US911386529 Apr 201125 Aug 2015Ethicon Endo-Surgery, Inc.Staple cartridge comprising a layer
US911387424 Jun 201425 Aug 2015Ethicon Endo-Surgery, Inc.Surgical instrument system
US911388313 Jul 201125 Aug 2015Ethicon Endo-Surgery, Inc.Collapsible anvil plate assemblies for circular surgical stapling devices
US911388413 Jul 201125 Aug 2015Ethicon Endo-Surgery, Inc.Modular surgical tool systems
US911965728 Jun 20121 Sep 2015Ethicon Endo-Surgery, Inc.Rotary actuatable closure arrangement for surgical end effector
US912565413 Jul 20118 Sep 2015Ethicon Endo-Surgery, Inc.Multiple part anvil assemblies for circular surgical stapling devices
US912566228 Jun 20128 Sep 2015Ethicon Endo-Surgery, Inc.Multi-axis articulating and rotating surgical tools
US913194021 Feb 201315 Sep 2015Ethicon Endo-Surgery, Inc.Staple cartridge
US913822526 Feb 201322 Sep 2015Ethicon Endo-Surgery, Inc.Surgical stapling instrument with an articulatable end effector
US914927417 Feb 20116 Oct 2015Ethicon Endo-Surgery, Inc.Articulating endoscopic accessory channel
US915553711 Jul 201213 Oct 2015Covidien LpSurgical fastener applying apparatus
US916803829 Apr 201127 Oct 2015Ethicon Endo-Surgery, Inc.Staple cartridge comprising a tissue thickness compensator
US917991123 May 201410 Nov 2015Ethicon Endo-Surgery, Inc.End effector for use with a surgical fastening instrument
US917991227 May 201110 Nov 2015Ethicon Endo-Surgery, Inc.Robotically-controlled motorized surgical cutting and fastening instrument
US918614325 Jun 201417 Nov 2015Ethicon Endo-Surgery, Inc.Robotically-controlled shaft based rotary drive systems for surgical instruments
US91986616 Sep 20111 Dec 2015Ethicon Endo-Surgery, Inc.Stapling instrument comprising a plurality of staple cartridges stored therein
US919866226 Jun 20121 Dec 2015Ethicon Endo-Surgery, Inc.Tissue thickness compensator having improved visibility
US920487814 Aug 20148 Dec 2015Ethicon Endo-Surgery, Inc.Surgical stapling apparatus with interlockable firing system
US920487928 Jun 20128 Dec 2015Ethicon Endo-Surgery, Inc.Flexible drive member
US920488028 Mar 20128 Dec 2015Ethicon Endo-Surgery, Inc.Tissue thickness compensator comprising capsules defining a low pressure environment
US921112028 Mar 201215 Dec 2015Ethicon Endo-Surgery, Inc.Tissue thickness compensator comprising a plurality of medicaments
US921112113 Jan 201515 Dec 2015Ethicon Endo-Surgery, Inc.Surgical stapling apparatus
US921112213 Jul 201115 Dec 2015Ethicon Endo-Surgery, Inc.Surgical access devices with anvil introduction and specimen retrieval structures
US921601923 Sep 201122 Dec 2015Ethicon Endo-Surgery, Inc.Surgical stapler with stationary staple drivers
US922050028 Mar 201229 Dec 2015Ethicon Endo-Surgery, Inc.Tissue thickness compensator comprising structure to produce a resilient load
US922050128 Mar 201229 Dec 2015Ethicon Endo-Surgery, Inc.Tissue thickness compensators
US922675128 Jun 20125 Jan 2016Ethicon Endo-Surgery, Inc.Surgical instrument system including replaceable end effectors
US923294128 Mar 201212 Jan 2016Ethicon Endo-Surgery, Inc.Tissue thickness compensator comprising a reservoir
US92329442 May 201312 Jan 2016Covidien LpSurgical instrument and bushing
US92329457 Jul 201412 Jan 2016Ethicon Endo-Surgery, Inc.Surgical stapling head assembly with firing lockout for a surgical stapler
US923789127 May 201119 Jan 2016Ethicon Endo-Surgery, Inc.Robotically-controlled surgical stapling devices that produce formed staples having different lengths
US924171428 Mar 201226 Jan 2016Ethicon Endo-Surgery, Inc.Tissue thickness compensator and method for making the same
US927172816 May 20121 Mar 2016Covidien LpSurgical fastener applying apparatus
US927179925 Jun 20141 Mar 2016Ethicon Endo-Surgery, LlcRobotic surgical system with removable motor housing
US92724068 Feb 20131 Mar 2016Ethicon Endo-Surgery, LlcFastener cartridge comprising a cutting member for releasing a tissue thickness compensator
US927791928 Mar 20128 Mar 2016Ethicon Endo-Surgery, LlcTissue thickness compensator comprising fibers to produce a resilient load
US92829628 Feb 201315 Mar 2016Ethicon Endo-Surgery, LlcAdhesive film laminate
US92829667 Feb 201415 Mar 2016Ethicon Endo-Surgery, Inc.Surgical stapling instrument
US928297428 Jun 201215 Mar 2016Ethicon Endo-Surgery, LlcEmpty clip cartridge lockout
US928305423 Aug 201315 Mar 2016Ethicon Endo-Surgery, LlcInteractive displays
US928920615 Dec 201422 Mar 2016Ethicon Endo-Surgery, LlcLateral securement members for surgical staple cartridges
US928920916 May 201222 Mar 2016Covidien LpSurgical fastener applying apparatus
US928921021 May 201222 Mar 2016Ethicon Endo-Surgery, LlcSurgical stapler with apparatus for adjusting staple height
US928921121 Jun 201322 Mar 2016Covidien LpSurgical stapling apparatus
US928921217 Sep 201022 Mar 2016Ethicon Endo-Surgery, Inc.Surgical instruments and batteries for surgical instruments
US928925628 Jun 201222 Mar 2016Ethicon Endo-Surgery, LlcSurgical end effectors having angled tissue-contacting surfaces
US929546429 Apr 201129 Mar 2016Ethicon Endo-Surgery, Inc.Surgical stapler anvil comprising a plurality of forming pockets
US929546530 Nov 201229 Mar 2016Covidien LpTissue stop for surgical instrument
US930175228 Mar 20125 Apr 2016Ethicon Endo-Surgery, LlcTissue thickness compensator comprising a plurality of capsules
US930175328 Mar 20125 Apr 2016Ethicon Endo-Surgery, LlcExpandable tissue thickness compensator
US930175529 Apr 20115 Apr 2016Ethicon Endo-Surgery, LlcCompressible staple cartridge assembly
US93017599 Feb 20125 Apr 2016Ethicon Endo-Surgery, LlcRobotically-controlled surgical instrument with selectively articulatable end effector
US930796525 Jun 201212 Apr 2016Ethicon Endo-Surgery, LlcTissue stapler having a thickness compensator incorporating an anti-microbial agent
US93079861 Mar 201312 Apr 2016Ethicon Endo-Surgery, LlcSurgical instrument soft stop
US930798725 Sep 201412 Apr 2016Ethicon Endo-Surgery, LlcSurgical cutting instrument that analyzes tissue thickness
US930798828 Oct 201312 Apr 2016Ethicon Endo-Surgery, LlcStaple cartridges for forming staples having differing formed staple heights
US930798926 Jun 201212 Apr 2016Ethicon Endo-Surgery, LlcTissue stapler having a thickness compensator incorportating a hydrophobic agent
US931424625 Jun 201219 Apr 2016Ethicon Endo-Surgery, LlcTissue stapler having a thickness compensator incorporating an anti-inflammatory agent
US931424726 Jun 201219 Apr 2016Ethicon Endo-Surgery, LlcTissue stapler having a thickness compensator incorporating a hydrophilic agent
US932051825 Jun 201226 Apr 2016Ethicon Endo-Surgery, LlcTissue stapler having a thickness compensator incorporating an oxygen generating agent
US932052019 Aug 201526 Apr 2016Ethicon Endo-Surgery, Inc.Surgical instrument system
US932052129 Oct 201226 Apr 2016Ethicon Endo-Surgery, LlcSurgical instrument
US932052328 Mar 201226 Apr 2016Ethicon Endo-Surgery, LlcTissue thickness compensator comprising tissue ingrowth features
US93267671 Mar 20133 May 2016Ethicon Endo-Surgery, LlcJoystick switch assemblies for surgical instruments
US932676812 Mar 20133 May 2016Ethicon Endo-Surgery, LlcStaple cartridges for forming staples having differing formed staple heights
US93267696 Mar 20133 May 2016Ethicon Endo-Surgery, LlcSurgical instrument
US93267706 Mar 20133 May 2016Ethicon Endo-Surgery, LlcSurgical instrument
US93267714 Mar 20113 May 2016Ethicon Endo-Surgery, LlcStaple cartridge
US933297428 Mar 201210 May 2016Ethicon Endo-Surgery, LlcLayered tissue thickness compensator
US933298427 Mar 201310 May 2016Ethicon Endo-Surgery, LlcFastener cartridge assemblies
US933298714 Mar 201310 May 2016Ethicon Endo-Surgery, LlcControl arrangements for a drive member of a surgical instrument
US934547725 Jun 201224 May 2016Ethicon Endo-Surgery, LlcTissue stapler having a thickness compensator comprising incorporating a hemostatic agent
US934548018 Jan 201324 May 2016Covidien LpSurgical instrument and cartridge members for use therewith
US934548113 Mar 201324 May 2016Ethicon Endo-Surgery, LlcStaple cartridge tissue thickness sensor system
US935172614 Mar 201331 May 2016Ethicon Endo-Surgery, LlcArticulation control system for articulatable surgical instruments
US935172714 Mar 201331 May 2016Ethicon Endo-Surgery, LlcDrive train control arrangements for modular surgical instruments
US935173028 Mar 201231 May 2016Ethicon Endo-Surgery, LlcTissue thickness compensator comprising channels
US93580031 Mar 20137 Jun 2016Ethicon Endo-Surgery, LlcElectromechanical surgical device with signal relay arrangement
US935800522 Jun 20157 Jun 2016Ethicon Endo-Surgery, LlcEnd effector layer including holding features
US936421716 Oct 201214 Jun 2016Covidien LpIn-situ loaded stapler
US936422712 Dec 201414 Jun 2016Covidien LpSurgical instrument and cartridge for use therewith
US936423028 Jun 201214 Jun 2016Ethicon Endo-Surgery, LlcSurgical stapling instruments with rotary joint assemblies
US936423328 Mar 201214 Jun 2016Ethicon Endo-Surgery, LlcTissue thickness compensators for circular surgical staplers
US937035819 Oct 201221 Jun 2016Ethicon Endo-Surgery, LlcMotor-driven surgical cutting and fastening instrument with tactile position feedback
US93703645 Mar 201321 Jun 2016Ethicon Endo-Surgery, LlcPowered surgical cutting and stapling apparatus with manually retractable firing system
US938698327 May 201112 Jul 2016Ethicon Endo-Surgery, LlcRobotically-controlled motorized surgical instrument
US93869848 Feb 201312 Jul 2016Ethicon Endo-Surgery, LlcStaple cartridge comprising a releasable cover
US938698515 Oct 201212 Jul 2016Ethicon Endo-Surgery, LlcSurgical cutting instrument
US938698828 Mar 201212 Jul 2016Ethicon End-Surgery, LLCRetainer assembly including a tissue thickness compensator
US939301510 May 201319 Jul 2016Ethicon Endo-Surgery, LlcMotor driven surgical fastener device with cutting member reversing mechanism
US93989111 Mar 201326 Jul 2016Ethicon Endo-Surgery, LlcRotary powered surgical instruments with multiple degrees of freedom
US940262618 Jul 20122 Aug 2016Ethicon Endo-Surgery, LlcRotary actuatable surgical fastener and cutter
US940860428 Feb 20149 Aug 2016Ethicon Endo-Surgery, LlcSurgical instrument comprising a firing system including a compliant portion
US940860628 Jun 20129 Aug 2016Ethicon Endo-Surgery, LlcRobotically powered surgical device with manually-actuatable reversing system
US941483828 Mar 201216 Aug 2016Ethicon Endo-Surgery, LlcTissue thickness compensator comprised of a plurality of materials
US943341928 Mar 20126 Sep 2016Ethicon Endo-Surgery, Inc.Tissue thickness compensator comprising a plurality of layers
US943964912 Dec 201213 Sep 2016Ethicon Endo-Surgery, LlcSurgical instrument having force feedback capabilities
US944581012 Jun 201320 Sep 2016Covidien LpStapling device with grasping jaw mechanism
US944581119 Dec 201320 Sep 2016Covidien LpKnife bar for surgical instrument
US944581323 Aug 201320 Sep 2016Ethicon Endo-Surgery, LlcClosure indicator systems for surgical instruments
US94519585 Aug 201327 Sep 2016Ethicon Endo-Surgery, LlcSurgical instrument with firing actuator lockout
US945195916 May 201227 Sep 2016Covidien LpSurgical fastener applying apparatus
US94684381 Mar 201318 Oct 2016Eticon Endo-Surgery, LLCSensor straightened end effector during removal through trocar
US948047628 Mar 20121 Nov 2016Ethicon Endo-Surgery, LlcTissue thickness compensator comprising resilient members
US948621420 May 20138 Nov 2016Ethicon Endo-Surgery, LlcMotor driven surgical fastener device with switching system configured to prevent firing initiation until activated
US949216714 Mar 201315 Nov 2016Ethicon Endo-Surgery, LlcArticulatable surgical device with rotary driven cutting member
US949821630 Apr 201422 Nov 2016Covidien LpSurgical instrument with actuator spring arm
US949821930 Jun 201522 Nov 2016Ethicon Endo-Surgery, LlcDetachable motor powered surgical instrument
US951082725 Mar 20136 Dec 2016Covidien LpMicro surgical instrument and loading unit for use therewith
US951082823 Aug 20136 Dec 2016Ethicon Endo-Surgery, LlcConductor arrangements for electrically powered surgical instruments with rotatable end effectors
US951083023 Oct 20146 Dec 2016Ethicon Endo-Surgery, LlcStaple cartridge
US951706328 Mar 201213 Dec 2016Ethicon Endo-Surgery, LlcMovable member for use with a tissue thickness compensator
US95170685 Aug 201313 Dec 2016Ethicon Endo-Surgery, LlcSurgical instrument with automatically-returned firing member
US952202912 Mar 201320 Dec 2016Ethicon Endo-Surgery, LlcMotorized surgical cutting and fastening instrument having handle based power source
US952649725 Mar 201327 Dec 2016Covidien LpSurgical instrument with articulation mechanism
US952649921 Apr 201527 Dec 2016Covidien LpMulti-use loading unit
US953900711 Jul 201210 Jan 2017Covidien LpSurgical fastener applying aparatus
US95497325 Mar 201324 Jan 2017Ethicon Endo-Surgery, LlcMotor-driven surgical cutting instrument
US954973523 Dec 201324 Jan 2017Ethicon Endo-Surgery, LlcFastener cartridge comprising a firing member including fastener transfer surfaces
US95547941 Mar 201331 Jan 2017Ethicon Endo-Surgery, LlcMultiple processor motor control for modular surgical instruments
US956103213 Aug 20137 Feb 2017Ethicon Endo-Surgery, LlcStaple cartridge comprising a staple driver arrangement
US956103828 Jun 20127 Feb 2017Ethicon Endo-Surgery, LlcInterchangeable clip applier
US95660618 Feb 201314 Feb 2017Ethicon Endo-Surgery, LlcFastener cartridge comprising a releasably attached tissue thickness compensator
US956606421 Jun 201314 Feb 2017Covidien LpSurgical stapling apparatus
US95660679 Apr 201514 Feb 2017Covidien LpSurgical stapling apparatus including sensing mechanism
US957257422 Jun 201521 Feb 2017Ethicon Endo-Surgery, LlcTissue thickness compensators comprising therapeutic agents
US957257727 Mar 201321 Feb 2017Ethicon Endo-Surgery, LlcFastener cartridge comprising a tissue thickness compensator including openings therein
US957464430 May 201321 Feb 2017Ethicon Endo-Surgery, LlcPower module for use with a surgical instrument
US95856578 Feb 20137 Mar 2017Ethicon Endo-Surgery, LlcActuator for releasing a layer of material from a surgical end effector
US95856587 Apr 20167 Mar 2017Ethicon Endo-Surgery, LlcStapling systems
US958566011 Nov 20137 Mar 2017Ethicon Endo-Surgery, LlcMethod for testing a surgical tool
US958566223 Dec 20137 Mar 2017Ethicon Endo-Surgery, LlcFastener cartridge comprising an extendable firing member
US95856638 Mar 20167 Mar 2017Ethicon Endo-Surgery, LlcSurgical stapling instrument configured to apply a compressive pressure to tissue
US95920508 Feb 201314 Mar 2017Ethicon Endo-Surgery, LlcEnd effector comprising a distal tissue abutment member
US959205212 Mar 201414 Mar 2017Ethicon Endo-Surgery, LlcStapling assembly for forming different formed staple heights
US959205322 May 201414 Mar 2017Ethicon Endo-Surgery, LlcStaple cartridge comprising multiple regions
US95920544 Nov 201514 Mar 2017Ethicon Endo-Surgery, LlcSurgical stapler with stationary staple drivers
US95970759 Jun 201421 Mar 2017Ethicon Endo-Surgery, Inc.Tissue acquisition arrangements and methods for surgical stapling devices
US960359528 Feb 201428 Mar 2017Ethicon Endo-Surgery, LlcSurgical instrument comprising an adjustable system configured to accommodate different jaw heights
US960359830 Aug 201328 Mar 2017Ethicon Endo-Surgery, LlcSurgical stapling device with a curved end effector
US960399129 Jul 201328 Mar 2017Ethicon Endo-Surgery, LlcSurgical stapling instrument having a medical substance dispenser
US96158268 Feb 201311 Apr 2017Ethicon Endo-Surgery, LlcMultiple thickness implantable layers for surgical stapling devices
US962962314 Mar 201325 Apr 2017Ethicon Endo-Surgery, LlcDrive system lockout arrangements for modular surgical instruments
US962962823 Jan 201425 Apr 2017Covidien LpSurgical stapling apparatus
US96296297 Mar 201425 Apr 2017Ethicon Endo-Surgey, LLCControl systems for surgical instruments
US962981420 Mar 201425 Apr 2017Ethicon Endo-Surgery, LlcTissue thickness compensator configured to redistribute compressive forces
US964262023 Dec 20139 May 2017Ethicon Endo-Surgery, LlcSurgical cutting and stapling instruments with articulatable end effectors
US96491109 Apr 201416 May 2017Ethicon LlcSurgical instrument comprising a closing drive and a firing drive operated from the same rotatable output
US964911128 Jun 201216 May 2017Ethicon Endo-Surgery, LlcReplaceable clip cartridge for a clip applier
US965561411 Mar 201323 May 2017Ethicon Endo-Surgery, LlcRobotically-controlled motorized surgical instrument with an end effector
US965561717 Oct 201423 May 2017Covidien LpSurgical instrument
US965562430 Aug 201323 May 2017Ethicon LlcSurgical stapling device with a curved end effector
US966210830 Aug 201330 May 2017Covidien LpSurgical stapling apparatus
US966211015 Sep 201530 May 2017Ethicon Endo-Surgery, LlcSurgical stapling instrument with an articulatable end effector
US966872821 Jun 20136 Jun 2017Covidien LpSurgical stapling apparatus
US966872921 Jun 20136 Jun 2017Covidien LpSurgical stapling apparatus
US966873321 Apr 20146 Jun 2017Covidien LpStapling device with features to prevent inadvertent firing of staples
US967535530 Aug 201313 Jun 2017Ethicon LlcSurgical stapling device with a curved end effector
US967537224 May 201313 Jun 2017Ethicon LlcMotor-driven surgical cutting instrument with electric actuator directional control assembly
US968187023 Dec 201320 Jun 2017Ethicon LlcArticulatable surgical instruments with separate and distinct closing and firing systems
US968723014 Mar 201327 Jun 2017Ethicon LlcArticulatable surgical instrument comprising a firing drive
US968723121 Oct 201327 Jun 2017Ethicon LlcSurgical stapling instrument
US968723624 Feb 201427 Jun 2017Ethicon Endo-Surgery, Inc.Surgical instrument having a power control circuit
US96872378 Jun 201527 Jun 2017Ethicon Endo-Surgery, LlcStaple cartridge including collapsible deck arrangement
US969036226 Mar 201427 Jun 2017Ethicon LlcSurgical instrument control circuit having a safety processor
US969377724 Feb 20144 Jul 2017Ethicon LlcImplantable layers comprising a pressed region
US97003091 Mar 201311 Jul 2017Ethicon LlcArticulatable surgical instruments with conductive pathways for signal communication
US970031023 Aug 201311 Jul 2017Ethicon LlcFiring member retraction devices for powered surgical instruments
US97003178 Feb 201311 Jul 2017Ethicon Endo-Surgery, LlcFastener cartridge comprising a releasable tissue thickness compensator
US970032128 May 201411 Jul 2017Ethicon LlcSurgical stapling device having supports for a flexible drive mechanism
US970699119 Feb 201418 Jul 2017Ethicon Endo-Surgery, Inc.Staple cartridge comprising staples including a lateral base
US971749831 Jan 20141 Aug 2017Covidien LpSurgical stapling apparatus
US972409129 Aug 20138 Aug 2017Ethicon LlcSurgical stapling device
US972409223 Dec 20138 Aug 2017Ethicon LlcModular surgical instruments
US972409317 Jan 20148 Aug 2017Covidien LpSurgical instrument and loading unit for use therewith
US97240945 Sep 20148 Aug 2017Ethicon LlcAdjunct with integrated sensors to quantify tissue compression
US972409511 Jul 20128 Aug 2017Covidien LpSurgical fastener applying apparatus
US972409813 Nov 20148 Aug 2017Ethicon Endo-Surgery, LlcStaple cartridge comprising an implantable layer
US973069212 Mar 201315 Aug 2017Ethicon LlcSurgical stapling device with a curved staple cartridge
US973069517 Sep 201515 Aug 2017Ethicon Endo-Surgery, LlcPower management through segmented circuit
US973069723 Apr 201515 Aug 2017Ethicon Endo-Surgery, LlcSurgical cutting and fastening instrument with apparatus for determining cartridge and firing motion status
US973366326 Mar 201415 Aug 2017Ethicon LlcPower management through segmented circuit and variable voltage protection
US97373015 Sep 201422 Aug 2017Ethicon LlcMonitoring device degradation based on component evaluation
US97373028 Mar 201622 Aug 2017Ethicon LlcSurgical stapling instrument having a restraining member
US973730310 Sep 201522 Aug 2017Ethicon LlcArticulating surgical stapling instrument incorporating a two-piece E-beam firing mechanism
US974392825 Mar 201429 Aug 2017Ethicon Endo-Surgery, Inc.Surgical instrument having a feedback system
US974392926 Mar 201429 Aug 2017Ethicon LlcModular powered surgical instrument with detachable shaft assemblies
US975049828 Sep 20155 Sep 2017Ethicon Endo Surgery, LlcDrive systems for surgical instruments
US975049926 Mar 20145 Sep 2017Ethicon LlcSurgical stapling instrument system
US975050124 May 20165 Sep 2017Ethicon Endo-Surgery, LlcSurgical stapling devices having laterally movable anvils
US97571237 Mar 201312 Sep 2017Ethicon LlcPowered surgical instrument having a transmission system
US975712424 Feb 201412 Sep 2017Ethicon LlcImplantable layer assemblies
US975712631 Mar 201412 Sep 2017Covidien LpSurgical stapling apparatus with firing lockout mechanism
US97571285 Sep 201412 Sep 2017Ethicon LlcMultiple sensors with one sensor affecting a second sensor's output or interpretation
US975713012 Mar 201412 Sep 2017Ethicon LlcStapling assembly for forming different formed staple heights
US976366223 Dec 201319 Sep 2017Ethicon LlcFastener cartridge comprising a firing member configured to directly engage and eject fasteners from the fastener cartridge
US97702458 Feb 201326 Sep 2017Ethicon LlcLayer arrangements for surgical staple cartridges
US977560824 Feb 20143 Oct 2017Ethicon LlcFastening system comprising a firing member lockout
US977560923 Aug 20133 Oct 2017Ethicon LlcTamper proof circuit for surgical instrument battery pack
US977561330 Aug 20133 Oct 2017Ethicon LlcSurgical stapling device with a curved end effector
US977561425 Jan 20163 Oct 2017Ethicon Endo-Surgery, LlcSurgical stapling instruments with rotatable staple deployment arrangements
US97821691 Mar 201310 Oct 2017Ethicon LlcRotary powered articulation joints for surgical instruments
US97888348 Feb 201317 Oct 2017Ethicon LlcLayer comprising deployable attachment members
US97888365 Sep 201417 Oct 2017Ethicon LlcMultiple motor control for powered medical device
US97953817 Apr 201624 Oct 2017Ethicon Endo-Surgery, LlcRobotically-controlled shaft based rotary drive systems for surgical instruments
US979538220 Aug 201324 Oct 2017Ethicon LlcFastener cartridge assembly comprising a cam and driver arrangement
US979538322 Sep 201624 Oct 2017Ethicon LlcTissue thickness compensator comprising resilient members
US979538427 Mar 201324 Oct 2017Ethicon LlcFastener cartridge comprising a tissue thickness compensator and a gap setting element
US98016269 Apr 201431 Oct 2017Ethicon LlcModular motor driven surgical instruments with alignment features for aligning rotary drive shafts with surgical end effector shafts
US980162726 Sep 201431 Oct 2017Ethicon LlcFastener cartridge for creating a flexible staple line
US980162826 Sep 201431 Oct 2017Ethicon LlcSurgical staple and driver arrangements for staple cartridges
US980163420 Oct 201431 Oct 2017Ethicon LlcTissue thickness compensator for a surgical stapler
US980461826 Mar 201431 Oct 2017Ethicon LlcSystems and methods for controlling a segmented circuit
US980824414 Mar 20137 Nov 2017Ethicon LlcSensor arrangements for absolute positioning system for surgical instruments
US98082466 Mar 20157 Nov 2017Ethicon Endo-Surgery, LlcMethod of operating a powered surgical instrument
US980824730 Jun 20157 Nov 2017Ethicon LlcStapling system comprising implantable layers
US980824923 Aug 20137 Nov 2017Ethicon LlcAttachment portions for surgical instrument assemblies
US98144609 Apr 201414 Nov 2017Ethicon LlcModular motor driven surgical instruments with status indication arrangements
US981446223 Jun 201414 Nov 2017Ethicon LlcAssembly for fastening tissue comprising a compressible layer
US981446321 Jun 201314 Nov 2017Covidien LpSurgical stapling apparatus
US20090001130 *29 Jun 20071 Jan 2009Hess Christopher JSurgical procedure using a cutting and stapling instrument having releasable staple-forming pockets
US20090005807 *29 Jun 20071 Jan 2009Hess Christopher JSurgical staple having a slidable crown
US20100264193 *22 Apr 201021 Oct 2010Ethicon Endo-Surgery, Inc.Surgical stapling instrument with an articulatable end effector
US20110155785 *24 Dec 200930 Jun 2011Ethicon Endo-Surgery, Inc.Motor-driven surgical cutting instrument with electric actuator directional control assembly
Classifications
U.S. Classification227/176.1
International ClassificationA61B17/068, A61B17/072
Cooperative ClassificationA61B2017/320052, A61B17/07207, A61B2017/2927
European ClassificationA61B17/072B
Legal Events
DateCodeEventDescription
28 Nov 2015ASAssignment
Owner name: ETHICON ENDO-SURGERY, LLC, PUERTO RICO
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ETHICON ENDO-SURGERY, INC.;REEL/FRAME:037161/0276
Effective date: 20151106
27 Feb 2017ASAssignment
Owner name: ETHICON LLC, PUERTO RICO
Free format text: CHANGE OF NAME;ASSIGNOR:ETHICON ENDO-SURGERY, LLC;REEL/FRAME:041821/0186
Effective date: 20161230