US20140222016A1 - Surgical retrieval apparatus for thoracic procedures - Google Patents
Surgical retrieval apparatus for thoracic procedures Download PDFInfo
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- US20140222016A1 US20140222016A1 US14/250,426 US201414250426A US2014222016A1 US 20140222016 A1 US20140222016 A1 US 20140222016A1 US 201414250426 A US201414250426 A US 201414250426A US 2014222016 A1 US2014222016 A1 US 2014222016A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00287—Bags for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
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Abstract
A surgical retrieval apparatus includes a housing defining a longitudinal axis and including an elongated sleeve extending distally therefrom. The housing and the elongated sleeve cooperate to define a lumen extending longitudinally therethrough. A shaft having an end effector disposed at a distal end thereof is selectively translatable between a first position, wherein the end effector is disposed within the elongated sleeve, and a second position, wherein the shaft is translated through the lumen such that the end effector extends distally from the elongated sleeve. An articulation mechanism operably coupled to the end effector is configured for articulating the end effector relative to the longitudinal axis. A specimen retrieval bag is coupled to the end effector and is deployed therefrom upon movement of the end effector from the first position to the second position.
Description
- This application claims priority from provisional application Ser. No. 61/430,208, filed Jan. 6, 2011, the entire contents of which are incorporated herein by reference.
- 1. Technical Field
- The present disclosure relates to a retrieval apparatus, and more particularly, to a surgical retrieval apparatus for use in thoracic surgical procedures.
- 2. Background of Related Art
- In minimally invasive surgical procedures, operations are carried out within the body by using elongated instruments inserted through small entrance openings in the body. The initial opening in the body tissue to allow passage of instruments to the interior of the body may be a natural passageway of the body, or it can be created by a tissue piercing instrument such as a trocar, or created by a small incision into which a cannula is inserted.
- Because the tubes, instrumentation, and any required punctures or incisions are relatively small, the surgery is less invasive as compared to conventional surgical procedures in which the surgeon is required to cut open large areas of body tissue. Therefore, minimally invasive surgery minimizes trauma to the patient and reduces patient recovery time and hospital costs.
- Minimally invasive procedures may be used for partial or total removal of body tissue or organs from the interior of the body, e.g. nephrectomy, cholecystectomy, lobectomy and other procedures including thoracic, laparoscopic and endoscopic procedures. During such procedures, it is common that a cyst, tumor, or other affected tissue or organ needs to be removed via the access opening in the skin, or through a cannula. Various types of entrapment devices have been disclosed to facilitate this procedure. In many procedures where cancerous tumors are removed, removal of the specimen in an enclosed environment is highly desirable to prevent seeding of cancer cells.
- In minimally invasive thoracic surgery, access to the thoracic cavity is limited as well as maneuverability within the cavity as the access port is placed between the confined space between a patient's ribs. Such procedures, commonly referred to as video assisted thorascopic surgery (VATS), aim to reduce patient recovery time by accessing the thoracic cavity through the natural intercostal space without spreading the ribs as in open procedures. This restricted access can sometimes cause problems when removing large specimens. Moreover, in such procedures, e.g. thorascopic wedge resection and lobectomy, it is often necessary to remove a portion of the lung and retrieve it relatively intact for pathology. It is also important that the specimen be sufficiently contained to prevent seeding of cancer cells during manipulation and removal.
- In designing such specimen retrieval instrumentation, a balance must be struck between the need to provide a retrieval apparatus with a strong enough containment bag to prevent tearing or rupture while providing sufficient rigidity to enable manipulation and removal. Another balance which needs to be achieved is to provide sufficient maneuverability while reducing tissue trauma, e.g. damaging lung tissue, during manipulation and removal. Additionally, the instrumentation on one hand should be able to be inserted through a small access incision or port while on the other hand able to accommodate a wide range of patient sizes and be able to easily remove large specimens and minimize risk of seeding.
- In accordance with one aspect of the present disclosure, a surgical retrieval apparatus is provided. The surgical retrieval apparatus in one aspect includes a housing defining a longitudinal axis and having an elongated sleeve extending distally therefrom. The housing and the elongated sleeve cooperate to define a lumen extending longitudinally therethrough. A shaft having an end effector assembly disposed at a distal end thereof is configured for selective translation through the lumen of the housing and elongated sleeve between a first position and a second position. In the first position, the end effector assembly is disposed within the elongated sleeve. In the second position, the shaft is translated distally through the lumen such that the end effector assembly extends distally from the elongated sleeve. An articulation mechanism coupled to the end effector assembly is configured for selectively articulating the end effector assembly with respect to the longitudinal axis when the shaft is disposed in the second position. Articulation of the end effector assembly is inhibited when the shaft is disposed in the first position. A specimen retrieval bag is coupled to the end effector assembly. The specimen retrieval bag is deployed from an un-deployed, or retracted position, to an extended position upon movement of the end effector assembly from the first position to the second position.
- In some embodiments, the shaft is manually translatable between the first and second positions, i.e., the shaft may be selectively translated by a hand of the clinician.
- In some embodiments, a locking mechanism (or locking mechanisms) is provided for retaining the shaft in the first position and/or the second position.
- In some embodiments, a release trigger may be provided, e.g., disposed on the housing, such that, upon actuation, the shaft is released, or unlocked, permitting the clinician to manually translate the shaft from the second position back to the first position. Further, in such embodiments, upon actuation of the release trigger, a plunger may be extended proximally from the shaft to facilitate manual translation of the shaft from the second position back to the first position, e.g., via grasping the plunger.
- In some embodiments, the specimen retrieval bag is released from the end effector assembly upon translation of the shaft from the second position back to the first position. Additionally, an interference member may be provided to inhibit the specimen retrieval bag from being retained on the end effector assembly upon translation of the shaft from the second position back to the first position.
- In some embodiments, a cinch cord is coupled at a distal end thereof to an open end of the specimen retrieval bag and is releasably engaged at a proximal end thereof to the shaft, wherein upon translation of the shaft from the second position back to the first position, the cinch cord is pulled proximally to cinch the open end of the bag closed. Further, a releasable latch may be configured to engage the proximal end of the cinch cord to the shaft, such that when the shaft is disposed in the first position, the releasable latch may be released to disengage the cinch cord from the shaft.
- In some embodiments, the articulation mechanism includes an articulation wheel coupled to an articulation bar. The articulation wheel can be selectively rotatable about the longitudinal axis to longitudinally translate the articulation bar along the longitudinal axis. The articulation bar, in turn, can be configured to urge the end effector assembly to pivot relative to the shaft, thereby articulating the end effector assembly relative to the longitudinal axis.
- In accordance with another aspect, a surgical retrieval apparatus is provided which includes a housing defining a longitudinal axis and having an elongated sleeve extending distally therefrom. The housing and the elongated sleeve cooperate to define a lumen extending longitudinally therethrough. A shaft having an end effector assembly disposed at a distal end thereof is selectively translatable through the lumen between a first position, wherein the end effector assembly is disposed within the elongated sleeve, and a second position, wherein the end effector assembly extends distally from the elongated sleeve. An articulation mechanism is coupled to the end effector assembly. The articulation mechanism is transitionable from a disengaged state to an engaged state upon translation of the shaft from the first position to the second position. A specimen retrieval bag is supported by the end effector assembly.
- In some embodiments, in the engaged state, rotation of the articulation mechanism articulates the end effector assembly relative to the longitudinal axis.
- In some embodiments, the articulation mechanism includes an articulation wheel coupled to an articulation bar upon transitioning of the articulation mechanism to the engaged state. Accordingly, in such embodiments, in the engaged state, the articulation wheel may be selectively rotated to translate the articulation bar along the longitudinal axis, and as the articulation bar is translated along the longitudinal axis, the end effector assembly is urged to articulate, i.e., pivot, relative to the longitudinal axis.
- A clutch can be provided coupled to the articulation wheel such that rotation of the articulation wheel effects longitudinal translation of the clutch. The clutch, in turn, can include an engagement arm configured to engage the articulation bar upon transition of the articulation mechanism to the engaged state. A collar can be provided to bias the engagement arm of the clutch into engagement with the articulation bar upon translation of the shaft from the first position to the second position, e.g., upon transition of the articulation mechanism from the disengaged state to the engaged state.
- In some embodiments, a release trigger is provided. The release trigger can be configured, upon actuation, to permit manual translation of the shaft from the second position back to the first position. Further, the release trigger may be configured to transition the articulation mechanism to the disengaged state upon actuation thereof. The surgical retrieval apparatus may otherwise be configured according to any of the other embodiments discussed herein.
- In accordance with another aspect of the present disclosure, a surgical retrieval apparatus is provided which includes a housing having an elongated sleeve and a lumen extending therethrough. A shaft including an end effector assembly disposed at a distal end thereof is translatable between a first position, wherein the end effector assembly is disposed within the elongated sleeve, and a second position, wherein the end effector assembly extends distally from the elongated sleeve. A releasable latch is coupled to the shaft and is transitionable between an open condition and a closed condition. A specimen retrieval bag is releasably disposed on the end effector assembly and includes a cinch cord coupled to an open end thereof. The cinch cord extends proximally from the specimen retrieval bag to be engaged within the releasable latch. When the shaft is disposed in the first position, the releasable latch is operable, e.g. exposed from the housing, permitting manual manipulation of the releasable latch to release the cinch cord e.g., the latch can move between the open condition and the closed condition. When the shaft is disposed in the second position, the releasable latch is inoperable, e.g. positioned within the housing, inhibiting manual manipulation of the releasable latch, e.g., inhibiting access to the releasable latch. The surgical retrieval apparatus may otherwise be configured similarly to any of the other embodiments discussed herein.
- In some embodiments, the releasable latch is retained in the closed condition via a protrusion-aperture engagement.
- In another aspect, a surgical retrieval apparatus is provided which includes a housing having an elongated sleeve extending therefrom. A lumen extends through the housing and elongated sleeve. A shaft having an end effector assembly disposed at a distal end thereof is translatable between a first position and a second position. A plunger is slidably coupled to a proximal end of the shaft. The plunger is transitionable between a first condition, wherein the plunger is substantially disposed within the shaft, and a second condition, wherein the plunger substantially extends proximally from the shaft. A release trigger disposed on the housing is selectively actuatable to transition the plunger from the first condition to the second condition to facilitate translation of the shaft from the second position back to the first position.
- In some embodiments, transitioning the plunger from the first condition to the second condition is inhibited when the shaft is disposed in the first position.
- In some embodiments, when the shaft is disposed in the second position and the plunger is disposed in the first condition, the plunger is substantially flush with the housing, while when the shaft is disposed in the second position and the plunger is disposed in the second condition, the plunger extends proximally from the housing.
- In some embodiments, upon actuation of the release trigger, a distal finger of the plunger is disengaged from an aperture defined within the shaft permitting the plunger to transition to the second condition. The surgical retrieval apparatus may otherwise be configured according to any of the other embodiments discussed herein.
- A method of specimen retrieval is also provided in accordance with another aspect of the present disclosure. The method includes providing a surgical retrieval apparatus according to any of the embodiments discussed above. The method further includes inserting the shaft partially into the lumen through a proximal end of the housing to the first position, inserting the surgical retrieval apparatus through an opening in tissue, translating the shaft distally through the lumen to the second position, and articulating the end effector assembly with respect to the longitudinal axis to position an open end of the specimen retrieval bag adjacent the specimen of tissue to be retrieved.
- In some embodiments, the method further includes translating the shaft proximally from the second position back to the first position such that the end effector assembly is once again disposed within the lumen.
- In some embodiments, the method further includes locking the shaft in the first position and/or the second position. In such embodiments, a release trigger may be actuated to release, or unlock, the shaft to permit manual translation of the shaft between the first and second positions.
- In some embodiments, the method further includes disengaging the proximal end of the cinch cord from the shaft upon movement of the shaft from second position back to the first position.
- In some embodiments, the method further includes selectively rotating an articulation wheel about the longitudinal axis to articulate the end effector assembly relative to the longitudinal axis.
- Various embodiments of the subject surgical retrieval apparatus are described herein with reference to the drawings wherein:
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FIG. 1 is a side, perspective view of one embodiment of a surgical retrieval apparatus in accordance with the present disclosure; -
FIG. 2 is an exploded, perspective view of a housing of the surgical retrieval apparatus ofFIG. 1 ; -
FIG. 3 is an exploded, perspective view of a shaft and end effector assembly of the surgical retrieval apparatus ofFIG. 1 ; -
FIG. 4 is a side, perspective view of the surgical retrieval apparatus ofFIG. 1 shown in an insertion position; -
FIG. 5 is a side, perspective view of the surgical retrieval apparatus ofFIG. 1 showing the end effector assembly in the deployed (extended) position; -
FIG. 6 is a side, perspective view of the surgical retrieval apparatus ofFIG. 1 showing the end effector assembly articulated relative to the shaft; -
FIG. 7 is a side, perspective view of the surgical retrieval apparatus ofFIG. 1 , wherein a plunger has been released to permit retraction of the end effector assembly; -
FIG. 8 is a side, perspective view of the surgical retrieval apparatus ofFIG. 1 , wherein the shaft and the end effector assembly have been returned to the insertion position to close the specimen retrieval bag; -
FIG. 9 is a side, perspective view of the surgical retrieval apparatus ofFIG. 1 wherein the specimen retrieval bag has been released from the surgical retrieval apparatus; -
FIG. 10 is a side, cut-away view of the surgical retrieval apparatus ofFIG. 1 shown in the insertion position, corresponding to the position ofFIG. 4 ; -
FIG. 11 is a side, cut-away view of the surgical retrieval apparatus ofFIG. 1 shown with the end effector assembly in the deployed (extended) position, corresponding to the position ofFIG. 5 (the retrieval bag removed for clarity); -
FIG. 12 is an enlarged, longitudinal, cross-sectional view of an articulation assembly of the surgical retrieval apparatus ofFIG. 1 wherein the articulation assembly is disposed in an engaged position; -
FIG. 13 is a side, cut-away view of the surgical retrieval apparatus ofFIG. 1 shown with the end effector assembly articulated relative to the shaft, corresponding to the position ofFIG. 6 (the retrieval bag removed for clarity); -
FIG. 14 is an isolated, rear, perspective view of an articulation wheel of the articulation assembly of the surgical retrieval apparatus ofFIG. 1 ; -
FIG. 15 is an isolated, side view of an articulation bar of the articulation assembly of the surgical retrieval apparatus ofFIG. 1 shown pivotably engaged to the end effector assembly; -
FIG. 16 is a longitudinal, cross-sectional view of the housing of the surgical retrieval apparatus ofFIG. 1 shown in the deployed position; -
FIG. 17 is a transverse, cross-sectional view of the housing of surgical retrieval apparatus ofFIG. 1 shown in the deployed position; -
FIG. 18 is a longitudinal, cross-sectional view of the housing of the surgical retrieval apparatus ofFIG. 1 wherein the plunger has been released; -
FIG. 19 is a transverse, cross-sectional view of the surgical retrieval apparatus ofFIG. 1 similar toFIG. 17 , wherein the plunger has been released; -
FIG. 20 is a front, perspective view of the end effector assembly of the specimen retrieval apparatus ofFIG. 1 shown including an interference member disposed at a distal end of the sleeve; and -
FIG. 21 is a rear, perspective view of the specimen retrieval apparatus ofFIG. 1 , wherein the shaft has been returned to the insertion position and wherein a releasable latch has been opened to disengage the cinch cord of the specimen retrieval bag from the specimen retrieval apparatus. - Various embodiments of the presently disclosed surgical retrieval apparatus, and methods of using the same, will now be described in detail with reference to the drawings wherein like references numerals identify similar or identical elements. In the drawings, and in the following description, the term “proximal” should be understood as referring to the end of the apparatus, or component thereof, that is closer to the clinician during proper use, while the term “distal” should be understood as referring to the end that is farther from the clinician, as is traditional and conventional in the art.
- Although the presently disclosed surgical retrieval apparatus is discussed with respect to minimally invasive thoracic procedures, it is within the scope of the present disclosure that the surgical retrieval apparatus is readily adaptable for use in other minimally invasive surgical procedures, including for example laparoscopic procedures.
- Turning now to
FIGS. 1 and 2 , a surgical retrieval apparatus in accordance with the present disclosure is shown generally identified byreference numeral 10.Surgical retrieval apparatus 10 includes ahousing 102 defining a longitudinal axis “X-X” and anelongated sleeve 104 extending distally fromhousing 102.Housing 102 defines alongitudinal passageway 106 a extending therethrough, whileelongated sleeve 104 defines alumen 106 b extending longitudinally therethrough.Passageway 106 a andlumen 106 b cooperate to define achannel 106 disposed about longitudinal axis “X-X” and extending distally fromproximal aperture 108 ofhousing 102, throughhousing 102, throughelongated sleeve 104, and throughdistal aperture 110 ofelongated sleeve 104, i.e.,channel 106 extends completely throughsurgical retrieval apparatus 10. Ashaft 112 including anend effector assembly 114 pivotably coupled thereto at adistal end 116 thereof is slidably positionable withinchannel 106. More particularly, as will be described in greater detail below,shaft 112 is longitudinally translatable between a first, or insertion (and removal) position, whereinshaft 112 is inserted partially throughproximal aperture 108 intochannel 106 such thatend effector assembly 114 is disposed withinchannel 106, and a second, or extended position, whereinshaft 112 is translated further distally throughchannel 106 such thatend effector assembly 114 extends distally fromdistal aperture 110 ofelongated sleeve 104. - With continued reference to
FIG. 1 , aspecimen retrieval bag 118 is removably coupled to endeffector assembly 114 and depends therefrom. More specifically, as shown inFIG. 1 ,specimen retrieval bag 118 is folded over at anopen end 120 thereof to form aloop 122 around the outer periphery thereof.End effector assembly 114 includes a pair ofarms 124 configured for positioning withinloop 122 formed atopen end 120 ofspecimen retrieval bag 118 to retainspecimen retrieval bag 118 thereon. In the extended position, as shown inFIG. 1 ,arms 124 ofend effector assembly 114 define a spaced-apart, curvate configuration for retainingspecimen retrieval bag 118 thereon in an open condition, although other configurations are also contemplated, e.g.,end effector assembly 114 may includelinear arms 124. Further, as will be described in greater detail below, acinch cord 126 is disposed throughloop 122 ofspecimen retrieval bag 118 at afirst end 128 thereof and is engaged toshaft 112 at a second end 130 (FIG. 21 ) thereof, such that, upon proximal translation ofshaft 112 relative tospecimen retrieval bag 118,open end 120 ofspecimen retrieval bag 118 is cinched closed. - It is envisioned that
specimen retrieval bag 118 be formed from any suitable bio-compatible material (or materials), e.g., 30 Denier Ripstop Nylon, configured to retain a specimen of tissue “S” (FIGS. 7-9 ) therein and to inhibit the passage of fluids and biological materials therethrough. The bag can include a coating, such as a polyurethane coating, to prevent egress of fluid if a permeable bag is utilized or to improve the impermeability. The coating can be placed on the inner surface and/or the outer surface of the bag. As shown inFIG. 1 ,specimen retrieval bag 118 includes alower portion 132 having a minimized cross-section configured to re-orient or re-position the specimen of tissue “S” (FIGS. 7-9 ) withinspecimen retrieval bag 118 to facilitate removal ofspecimen retrieval bag 118 from an internal body cavity, and a relatively expansiveupper portion 134 configured to facilitate positioning of relatively large specimen of tissue “S” (FIGS. 7-9 ) withinspecimen retrieval bag 118. In other words,lower portion 132 has a smaller transverse dimension than the transverse dimension ofupper portion 134. More specifically,upper portion 134 ofspecimen retrieval bag 118 has afirst side 136 and anangled side 138 disposed oppositefirst side 136.Angled side 138 tapers inwardly such that the transverse dimension ofupper portion 134 ofspecimen retrieval bag 118 progressively decreases toward thelower portion 132 ofspecimen retrieval bag 118.Wall 140, which opposeswall 142 inlower portion 132 ofspecimen retrieval bag 118, extends substantially parallel to wall 142 such that the transverse dimension oflower portion 132 remains substantially constant along a length thereof until transitioning at the curved walls in the lowermost portion. Alternatively,specimen retrieval bag 118 may be formed in various other configurations depending on the intended use ofspecimen retrieval bag 118. Other retrieval bag configurations are also contemplated such as those disclosed in U.S. application Ser. No. 61/389,391, filed Oct. 4, 2010, and application Ser. No. 61/430,206, filed Jan. 6, 2011, the entire contents of both these applications incorporated herein by reference. -
Specimen retrieval bag 118 may in some embodiments further include a high-friction mesh material disposed on an inner surface thereof to facilitate retention of the tissue specimen “S” therein. In other embodiments, the bag shape is relied on to retain the specimen and a smooth inner surface is provided to enable easy passage of the tissue specimen from the upper loading area of the bag to the lower shaping region of the bag during extraction. - Additionally, in preferred embodiments,
specimen retrieval bag 118 may include a channel (not explicitly shown) formed integral with or separately attached tospecimen retrieval bag 118, e.g. attached to an inner surface thereof such as that disclosed in provisional patent application Ser. No. 61/389,391, filed Oct. 4, 2010, provisional application Ser. No. 61/430,206, filed Jan. 6, 2011, and provisional application Ser. No. 61/499,923, filed Jun. 22, 2011, the entire contents of each of these applications incorporated herein by reference. The channel may include at least one opening or slot along its length to allow the passage of fluids, e.g., air, into the channel. Further, a support member (or support members) (not shown) may be disposed withinspecimen retrieval bag 118 to help inhibit collapse of the channel and/or for biasingspecimen retrieval bag 118 toward an open position upon deployment fromsurgical retrieval apparatus 10. The support member may be formed from, for example, an open cell material such as open cell foam, or other suitable material that enables the passage of air and/or fluid therethrough, thus allowing air and/or fluid to escape the lower portion ofspecimen retrieval bag 118 upon collapse or compression ofspecimen retrieval bag 118 to reduce the internal pressure withinspecimen retrieval bag 118. - Referring again to
FIGS. 1-2 ,elongated sleeve 104 is configured for insertion through an opening in tissue, e.g., through a thoracic surgical access port (not shown) disposed within an incision in tissue between adjacent ribs of a patient. As such, it is envisioned thatelongated sleeve 104 defines a sufficient length such thatelongated sleeve 104 may be advanced into the thoracic cavity to a position adjacent a tissue specimen “S” (FIGS. 7-9 ) to be removed, whilehousing 102 remains external of the patient. Further, it is envisioned thatelongated sleeve 104 defines a diameter sufficiently large to permit passage ofend effector assembly 114 andshaft 112 therethrough, but sufficiently small such thatelongated sleeve 104 may be inserted between adjacent ribs of a patient, e.g., through a thoracic access port (not shown) disposed within an incision and intercostal space therebetween. -
Housing 102, as shown inFIGS. 1 and 2 , includes abody portion 150 and a handle portion orgripping portion 152.Body portion 150 ofhousing 102 includes aproximal aperture 108, as mentioned above, that is configured to receiveshaft 112 therethrough.Body portion 150 ofhousing 102 also includes a pair of oval-shaped windows 154 (although other configurations are contemplated).Windows 154 permit the clinician to grasp and manipulatearticulation wheel 156 for articulatingend effector assembly 114 relative to longitudinal axis “X-X” as described below.Surgical retrieval apparatus 10 further includes arelease trigger 158 coupled tobody portion 150 ofhousing 102. As will be described in greater detail below,release trigger 158 is operable to releaseplunger 160, which is releasably engageable withshaft 112. When released,plunger 160 extends proximally fromproximal aperture 108 ofbody portion 150 ofhousing 102, allowing the clinician to graspplunger 160 and pull proximally to translateshaft 112 proximally back to the insertion (retracted) position. Asshaft 112 is translated back to the insertion position,end effector assembly 114 is translated proximally back withinelongated sleeve 104. - Continuing with reference to
FIGS. 1-2 , handleportion 152 ofhousing 102 extends downwardly and proximally frombody portion 150 to define an ergonomically-enhanced configuration ofhousing 102 for grasping by the clinician. More specifically, the configuration ofhandle portion 152 ofhousing 102 permits the clinician to grasphousing 102 in numerous configurations, while still being able to firmly grasp and fully manipulate and operatesurgical retrieval apparatus 10. For example, the clinician may grasphousing 102 using a pistol grip, a palm grip, an upside-down grip, a rear grip, a front grip, etc. The specific grip used may depend on the clinician's preference or the surgical procedure being performed. - Turning now to
FIGS. 2-3 , the internal components ofsurgical retrieval apparatus 10 will be described. As shown inFIG. 2 ,housing 102 includes a pair ofhousing parts housing 102.Housing parts passageway 106 a extending throughhousing 102, which forms a portion ofchannel 106.Elongated sleeve 104 is fixedly engaged withindistal end 166 ofbody portion 150 ofhousing 102 and extends distally therefrom along longitudinal axis “X-X” defininglumen 106 b therethrough. As mentioned above,lumen 106 b cooperates withpassageway 106 a ofhousing 102 to formchannel 106 extending throughsurgical retrieval apparatus 10 to permit translation ofshaft 112 therethrough. As mentioned above,windows 154 defined withinhousing parts housing 102 provide access toarticulation wheel 156, which is rotatably disposed withinhousing 102adjacent windows 154.Articulation wheel 156 is longitudinally maintained in position withinhousing 102 via a pair ofretainer walls collar 172 is positioned adjacent to and distal ofarticulation wheel 156 and is likewise retained in longitudinal position via a pair ofretainer walls collar 172 is coupled toarticulation wheel 156. As will be described in greater detail below,collar 172 selectively engages clutch 188 with articulation mechanism 180 (FIGS. 12-15 ) to permit articulation ofend effector assembly 114 via rotation ofarticulation wheel 156. - As best shown in
FIG. 2 ,housing 102 further includes ashaft lock 176 pivotably coupled thereto and configured to retainshaft 112 in position once inserted intochannel 106, e.g.,shaft lock 176 is configured to retainshaft 112 in the first and/or second positions.Housing 102 also includes arelease trigger 158 coupled thereto, as mentioned above.Release trigger 158, in turn, is coupled to alever 178 that, upon actuation ofrelease trigger 158, decouplesplunger 160 fromshaft 112, allowingplunger 160 to automatically extend proximally, e.g., “pop-out,” fromshaft 112.Release trigger 158, upon actuation, also rotatescollar 172 about longitudinal axis “X-X” relative to clutch 188 to disengage the articulation mechanism 180 (FIGS. 12-15 ), e.g., to inhibit articulation ofend effector assembly 114 via rotation ofarticulation wheel 156. - With reference now to
FIG. 3 ,shaft 112, as mentioned above, is slidably positioned within channel 106 (FIG. 1 ) ofhousing 102 andelongated sleeve 104.Shaft 112 includes atubular member 182, anose 184 disposed at adistal end 186 oftubular member 182, areleasable latch 192 disposed on an outer surface oftubular member 182, and anarticulation mechanism 180 positioned withintubular member 182 and longitudinally translatable with respect totubular member 182.Tubular member 182 further includes an elongated slot 189 (or a pair of opposed elongated slots 189) defined therethrough toward aproximal end 190 thereof.Plunger 160 is releasably engageable withintubular member 182 atproximal end 190 thereof. -
Nose 184, as shown inFIGS. 2-3 , is fixedly engaged todistal end 186 oftubular member 182 and includesend effector assembly 114 extending distally therefrom. More particularly,arms 124 ofend effector assembly 114 are coupled torotatable plates 194 disposed on either side ofarms 124 via afirst pin 196.Rotatable plates 194 each include adistal aperture 198 for securingpins 196 therethrough, acentral aperture 200, and aproximal aperture 202 disposed proximally of and offset belowcentral aperture 200.Rotatable plates 194 are pivotably coupled toflanges nose 184 via asecond pivot pin 208 that extends througharms 124,central apertures 200 ofrotatable plates 194, andflanges Washers rotatable plates 194 andflanges nose 184 and maintain the relative lateral positioning of the above-mentioned components. A third pin,pivot pin 214, is disposed throughproximal apertures 202 ofrotatable plates 194 for pivotablycoupling articulation linkage 216 torotatable plates 194 and, thus, toarms 124, ofend effector assembly 114. An overmolded assembly can be utilized as an alternative to the plated assembly. - With continued reference to
FIG. 3 , and as mentioned above,articulation mechanism 180 includes anarticulation linkage 216 that is pivotably coupled torotatable plates 194 andarms 124 ofend effector assembly 114 at a firstdistal end 218 thereof.Articulation linkage 216 is pivotably coupled, at a secondproximal end 220 thereof, to articulation bar 222 ofarticulation mechanism 180. As will be described in greater detail below,articulation bar 222 is longitudinally translatable throughtubular member 182 upon rotation ofarticulation wheel 156 to urgearticulation linkage 216 and, thus, pin 214 distally, thereby rotatingrotatable plates 194 andarms 124 aboutpivot pin 208 to articulatearms 124 ofend effector assembly 114 relative to longitudinal axis “X-X,” e.g., off of longitudinal axis “X-X.” On the other hand, whenarticulation wheel 156 is rotated in the opposite direction,articulation bar 222 is translated proximally, pullingarticulation linkage 216 proximally and, as a result, rotatingrotatable plates 194 andarms 124 aboutpivot pin 208 to articulatearms 124 ofend effector assembly 114 in an opposite direction, e.g., back into alignment with longitudinal axis “X-X.” Put more generally, upon rotation ofarticulation wheel 156 about longitudinal axis “X-X,”articulation wheel 156, collar 172 (FIG. 2 ), and clutch 188 cooperate to translate the rotational motion ofarticulation wheel 156 into longitudinal motion ofarticulation bar 222 which, in turn, articulatesend effector assembly 114 relative to longitudinal axis “X-X.” - Such articulation provides increased flexibility in the placement of the retrieval bag within the body cavity, e.g. thoracic cavity. It also enables the retrieval bag to be placed away from the immediate space adjacent the main access incision and placed towards the apex of the cavity. This provides the surgeon with a functional space immediately below the incision where the specimen can be easily and directly manipulated and where the space can be visualized from the separate scope port. That is, the bag can be out of the way of loading and visualization.
- Continuing with reference to
FIG. 3 ,releasable latch 192, as mentioned above, is disposed on an outer surface oftubular member 182 at a proximal portion. More specifically,releasable latch 192 is snap-fit, or otherwise engaged totubular member 182 at afirst end 224 thereof and includes a flexible, or hingedbody 226. A protrusion 228 (FIG. 21 ) extends downwardly from asecond end 230 ofreleasable latch 192 and is configured to engage acorresponding aperture 232 defined withintubular member 182 in a friction-fit engagement (or other suitable engagement) therewith. Thus, as can be appreciated, the clinician may manipulatereleasable latch 192 between a closed position, wherein protrusion 228 (FIG. 21 ) is engaged withinaperture 232, and an open condition, wherein protrusion 228 (FIG. 21 ) is disengaged fromaperture 232. In the open condition,second end 230 ofreleasable latch 192 is flexed, or hinged upwardly away fromtubular member 182. As will be described in greater detail below,releasable latch 192 is configured to releasably retaincinch cord 126 of specimen retrieval bag 118 (FIG. 1 ) thereon. - Turning now to
FIGS. 4-9 , the overall use and operation ofsurgical retrieval apparatus 10 will be described, with a more detailed description of the working components ofsurgical retrieval apparatus 10 being described thereafter with reference toFIGS. 2-3 and 10-21. Initially,specimen retrieval bag 118 is positioned onarms 124 ofend effector assembly 114. In this position,cinch cord 126 is disposed throughloop 122 ofspecimen retrieval bag 118 and extends proximally therefrom alongshaft 112, whereinsecond end 130 ofcinch cord 126 is retained withinreleasable latch 192.Specimen retrieval bag 118 is initially disposed in an undeployed, or collapsed condition, e.g.,specimen retrieval bag 118 is rolled-up, to permit insertion ofend effector assembly 114 andspecimen retrieval bag 118 intoelongated sleeve 104. In this initial insertion position, as shown inFIG. 4 ,shaft 112 extends proximally fromhousing 102 and partially throughproximal aperture 108 ofhousing 102 and intochannel 106 such thatend effector assembly 114 is disposed and collapsed withinelongated sleeve 104. Thus, inFIG. 4 ,shaft 112 is disposed in the insertion position. In this insertion position, sinceend effector assembly 114 does not extend fromelongated sleeve 104,surgical retrieval apparatus 10 defines a reduced diameter to facilitate passage ofelongated sleeve 104 through an incision in tissue, a natural body opening, or through an access port (not shown) (e.g. disposed between adjacent ribs of a patient) and into the internal surgical site. In other words, withsurgical retrieval apparatus 10 disposed in the insertion position,surgical retrieval apparatus 10 may be inserted through an opening in tissue, e.g., through a thoracic access port (not shown). - Once
surgical retrieval apparatus 10 has been inserted into an internal body cavity, e.g., the thoracic cavity, and positioned adjacent a tissue specimen “S” to be removed,shaft 112 is translated distally throughchannel 106 from the insertion position to the extended (deployed) position such thatend effector assembly 114 is extended fromelongated sleeve 104, i.e., to the second, or extended (deployed) position, to deployspecimen retrieval bag 118. More specifically, in order to deployspecimen retrieval bag 118, as shown inFIG. 5 , the clinician graspsplunger 160 and advancesplunger 160 distally, translatingshaft 112 distally throughchannel 106.Shaft 112 is translated distally throughchannel 106 untilend effector assembly 114 extends distally fromelongated sleeve 104. In this position,plunger 160 is disposed withinproximal aperture 108 ofhousing 102. That is, in this extended or deployed position,plunger 160 is substantially flush withhousing 102 to enable the multiple of hand holds described herein. Also, being flush, theplunger 160 is inhibited from being caught on the clinician's clothing, other surgical instrumentation, etc., or from being inadvertently withdrawn fromhousing 102. As can be appreciated, asend effector assembly 114 emerges fromelongated sleeve 104,arms 124 move to their normal expanded position to openspecimen retrieval bag 118 and thespecimen retrieval bag 118 is deployed, or unrolled, to an open condition, as shown inFIG. 5 , e.g., due to the bias ofspecimen retrieval bag 118 toward the open condition. - Turning now to
FIG. 6 , withshaft 112 in the extended position,end effector assembly 114 may be articulated relative to longitudinal axis “X-X,” e.g., via rotation ofarticulation wheel 156, and/orsurgical retrieval apparatus 10 may be manipulated in order to better positionspecimen retrieval bag 118 relative to the tissue specimen “S” to be retrieved. Once in position, the tissue specimen “S” is moved intospecimen retrieval bag 118, throughopen end 120 thereof, e.g., via use of a surgical grasper (not shown) or any other suitable mechanism which can be inserted through another access port. 100721 With the tissue specimen “S” disposed withinspecimen retrieval bag 118, as shown inFIG. 7 ,end effector assembly 114 andshaft 112 are translated proximally relative tohousing 102 back to the insertion (retracted) position to cinch-closedspecimen retrieval bag 118 with the specimen of tissue “S” retained therein. In order to returnshaft 112 to the insertion position,release trigger 158 is actuated to disengage articulation mechanism 180 (FIG. 12-15 ) and to extendplunger 160 proximally fromhousing 102. Withrelease trigger 158 having been actuated to extendplunger 160,plunger 160 may be grasped by the clinician and translated proximally to returnshaft 112 and endeffector assembly 114 to the insertion position, as shown inFIG. 8 . Asshaft 112 is translated proximally back throughchannel 106,specimen retrieval bag 118 is inhibited from being translated through elongatedsleeve 104 via interference member 234 (seeFIG. 20 ) which has been advanced fromsleeve 104 with theend effector assembly 114, and, thus, remains disposed adjacentdistal aperture 110 ofelongated sleeve 104. Accordingly, asshaft 112 is translated proximally back throughchannel 106,arms 124 ofend effector assembly 114 are translated proximally relative tospecimen retrieval bag 118, ultimately disengagingarms 124 from withinloop 122 ofspecimen retrieval bag 118 and releasingspecimen retrieval bag 118 fromend effector assembly 114, as shown inFIG. 8 . Further, sincecinch cord 126 is engaged withinreleasable latch 192, the proximal translation ofshaft 112 relative tospecimen retrieval bag 118 pullscinch cord 126 proximally relative tospecimen retrieval bag 118, thereby cinching closedopen end 120 ofspecimen retrieval bag 118 with the tissue specimen “S” retained therein. - Thereafter, as shown in
FIG. 9 ,releasable latch 192 may be transitioned from the closed position to the open condition to releasecinch cord 126, disengagingspecimen retrieval bag 118 fromsurgical retrieval apparatus 10.Surgical retrieval apparatus 10 may then be withdrawn from the surgical site, e.g., the thoracic cavity, leavingspecimen retrieval bag 118 behind. Next,specimen retrieval bag 118 may be removed from the thoracic cavity, e.g., via graspingsecond end 130 ofcinch cord 126 with a suitable surgical instrument (not shown). - Referring now to
FIG. 10 , in conjunction withFIGS. 2-3 ,surgical retrieval apparatus 10 is shown in the insertion (and removal) position. As mentioned above, in the insertion position,shaft 112 extends partially throughproximal aperture 108 ofhousing 102 intochannel 106. More specifically,shaft 112 extends only partially throughchannel 106 such thatend effector assembly 114 is disposed withinelongated sleeve 104, but does not extend distally therefrom. As such, a portion ofshaft 112, includingreleasable latch 192 andplunger 160, remains proximal ofchannel 106, i.e., a portion ofshaft 112 extends proximally fromhousing 102. - In the insertion position, clutch 188 is disengaged from
articulation bar 222, which is disposed withintubular member 182 ofshaft 112. More particularly, in the insertion position, clutch 188 is spaced-apart fromelongated slot 189 oftubular member 182 such thatclutch 188 cannot extend intotubular member 182 to engagearticulation bar 222. Accordingly, in the insertion position, articulation ofend effector assembly 114 via rotation ofarticulation wheel 156 is inhibited. - Further, in this insertion position, a
distal finger 236 ofplunger 160 is engaged withinaperture 191 defined withintubular member 182 to engageplunger 160 totubular member 182 ofshaft 112 such thatproximal end 240 ofplunger 160 abutsproximal end 190 oftubular member 182 ofshaft 112.Lever 178 ofrelease trigger 158, on the other hand, is spaced-apart relative toaperture 191 oftubular member 182 and, thus,tubular member 182 inhibits, or locks-outrelease trigger 158 from being actuated. - Turning now to
FIG. 11 , in conjunction withFIGS. 2-3 ,surgical retrieval apparatus 10 is shown in the extended or deployed position. As mentioned above, to transitionsurgical retrieval apparatus 10 from the insertion position to the extended position, the clinician, while graspinghousing 102, advancesshaft 112 distally throughchannel 106 untilend effector assembly 114 extends distally fromelongated sleeve 104, e.g., the extended (deployed) position. Asshaft 112 is advanced distally throughchannel 106,shaft lock 176 is pivoted relative tohousing 102 into engagement withproximal slot 142 defined withintubular member 182 ofshaft 112 asproximal slot 142 is translated into positionadjacent shaft lock 176. As can be appreciated,shaft lock 176 retainsshaft 112 in the extended position (seeFIG. 16 ), inhibiting inadvertent translation ofshaft 112 from the extended position. Further,shaft lock 176 may be biased downwardly such thatshaft lock 176 is automatically urged into engagement withproximal slot 142 upon positioning ofproximal slot 142adjacent shaft lock 176, e.g., upon translation ofshaft 112 to the extended position. Additionally, in the extended position,aperture 191 oftubular member 182 is positionedadjacent lever 178 ofrelease trigger 158 such thatrelease trigger 158 is no longer locked-out. As such,release trigger 158 may thereafter be actuated to releaseplunger 160, allowing the clinician to returnshaft 112 to the insertion (and removal) position at the completion of the procedure. - With reference now to
FIGS. 12-15 , in conjunction withFIG. 3 , upon translation ofshaft 112 to the extended position,collar 172 urgesarticulation arm 244 of clutch 188 through elongatedslot 189 oftubular member 182 and into engagement withproximal hub 246 ofarticulation bar 222, e.g., via a protrusion-aperture engagement, to engagearticulation mechanism 180. More specifically, asshaft 112 is translated to the extended position,elongated slot 189 is moved into alignment witharticulation arm 244 ofclutch 188, allowingflange 173 ofcollar 172 to urgearticulation arm 244 inwardly into engagement withproximal hub 246 ofarticulation bar 222. Although only oneelongated slot 189 oftubular member 182, onearticulation arm 244 ofclutch 188, and oneflange 173 ofcollar 172 are shown in the Figures, it is envisioned that a second elongated slot (not shown), articulation arm (not shown), and flange (not shown), respectively, may similarly be disposed opposite the first, such that thearticulation arms 244 are urged into engagement witharticulation bar 222 viaflanges 173 ofcollar 172 on opposing side thereof. - Further,
radial tabs 248 disposed on an outer periphery ofclutch 188 are engaged within helical threading 252 disposed on the interior surface ofarticulation wheel 156. Helical threading 252 ofarticulation wheel 156 is pitched such that, upon rotation ofarticulation wheel 156 in a first direction, clutch 188 is translated distally along longitudinal axis “X-X” relative toshaft 112 due to the engagement oftabs 248 within threading 252. As can be appreciated, rotation ofarticulation wheel 156 in the opposite direction translates clutch 188 proximally along longitudinal axis “X-X” relative toshaft 112. - Continuing with reference to
FIGS. 12-15 , distal translation ofclutch 188, e.g., upon rotation ofarticulation wheel 156, translatesarticulation arm 244 ofclutch 188 distally which, in turn, urgesarticulation bar 222 distally (due to the protrusion-aperture engagement therebetween). Asarticulation bar 222 is urged distally, as best shown inFIG. 15 ,articulation linkage 216 is likewise translated distally to urgerotatable plates 194 to pivot about pivot pins 208 disposed throughcentral apertures 200 thereof. Accordingly, sincearms 124 ofend effector assembly 114 are fixedly engaged withrotatable plates 194,arms 124 are also pivoted, or articulated relative to longitudinal axis “X-X,” e.g., to the position shown inFIG. 13 . As can be appreciated,arms 124 ofend effector assembly 114 may be articulated to the desired position to facilitate positioning of the tissue specimen “S” withinspecimen retrieval bag 118.Articulation wheel 156 may also be rotated in an opposite direction to translatearticulation bar 222 proximally. As described above, upon proximal translation of articulation bar 22,rotatable plates 194 are pulled to rotate such thatend effector assembly 114 is articulated back toward longitudinal axis “X-X”. - Referring now to
FIGS. 16-17 , in conjunction withFIGS. 2-3 ,housing 102 ofsurgical retrieval apparatus 10 is shown whereinshaft 112 is disposed in the extended position,release trigger 158 andlever 178 are in un-actuated or initial positions, andshaft lock 176 is engaged withtubular member 182 ofshaft 112 to retainshaft 112 in the extended position. As described above, in this extended position, the clinician may articulateend effector assembly 114 or otherwise manipulatesurgical retrieval apparatus 10 for positioning the tissue specimen “S” within specimen retrieval bag 118 (seeFIGS. 4-9 ). Once the tissue specimen “S” is disposed withinspecimen retrieval bag 118,specimen retrieval bag 118 may be cinched closed, released fromsurgical retrieval apparatus 10 and, ultimately removed from the thoracic cavity (seeFIGS. 4-9 ). - Turning now to
FIGS. 18-19 , in conjunction withFIGS. 2-3 , to permit translation ofshaft 112 back to the insertion (and removal) position,release trigger 158 is actuated, i.e., depressed. Actuation ofrelease trigger 158 urges lever 178 downwardly. Aslever 178 is urged downward,lever 178 eventually contactsdistal finger 236 ofplunger 160, urgingdistal finger 236 inwardly to disengagedistal finger 236 ofplunger 160 fromaperture 191 defined withintubular member 182 ofshaft 112. Oncedistal finger 236 ofplunger 160 is disengaged fromshaft 112,plunger 160 is automatically extended proximally fromshaft 112. More specifically,plunger 160 may be biased, e.g., via a spring (not shown), or other biasing member, toward the retracted position such that, oncedistal finger 236 ofplunger 160 is disengaged fromshaft 112,plunger 160 is automatically extended proximally, e.g., to “pop-out” fromshaft 112, under the bias of the spring (not shown).Plunger 160 is inhibited from extending completely fromshaft 112 via the engagement ofannular rim 254 ofplunger 160 withintubular member 182 ofshaft 112. - Upon actuation of
release trigger 158,lever 178 also engagescollar 172 and rotatescollar 172 about longitudinal axis “X-X.” More specifically, lever 178contacts collar 172 upon depression ofrelease trigger 158 to urgecollar 172 to rotate about longitudinal axis “X-X” such thatflange 173 ofcollar 172 is rotated out of contact witharticulation arm 244 ofclutch 188. Withflange 173 rotated out of contact witharticulation arm 244,articulation arm 244 is no longer biased into engagement withproximal hub 246 of articulation bar 222 (seeFIG. 12 ). In other words, upon actuation ofrelease trigger 158,lever 178 rotatescollar 172 to disengagearticulation arm 244 fromarticulation bar 222, thereby disengagingarticulation mechanism 180 and inhibiting articulation ofend effector assembly 114 via rotation ofarticulation wheel 156. - Turning now to
FIGS. 18-21 , oncerelease trigger 158 has been actuated to releaseplunger 160, the clinician may graspplunger 160 and pull proximally to translateshaft 112 throughchannel 106 back to the insertion (and removal) position. As mentioned above,shaft 112 is translated proximally back to the insertion position such thatend effector assembly 114 is completely disposed withinchannel 106 and such thatreleasable latch 192 is exposed, i.e., such thatreleasable latch 192 is positioned proximally of housing 102 (as opposed to the extended position ofshaft 112, whereinreleasable latch 192 is positioned within housing 102). At the same time, proximal translation ofshaft 112 relative tospecimen retrieval bag 118 disengagesspecimen retrieval bag 118 fromend effector assembly 114 and pullscinch cord 126 proximally to cinch closedopen end 120 ofspecimen retrieval bag 118. More specifically, due to the engagement ofcinch cord 126 throughloop 122 ofspecimen retrieval bag 118 atfirst end 128 thereof and withinreleasable latch 192 ofshaft 112 atsecond end 130 thereof,cinch cord 126 is translated proximally relative tospecimen retrieval bag 118 to closespecimen retrieval bag 118 asshaft 112 is translated proximally back to the insertion (and removal) position. Further, an interference member, orring 234 disposed at the distal end ofelongated sleeve 104 inhibitsspecimen retrieval bag 118 from being retracted intoelongated sleeve 104 upon proximal translation ofend effector assembly 114, helping to ensure thatspecimen retrieval bag 118 is disengaged fromend effector assembly 114. Accordingly, during translation ofshaft 112 from the extended position back to the insertion (and removal) position,specimen retrieval bag 118 is retained in position asshaft 112 and, thus,cinch cord 126 are translated proximally relative tospecimen retrieval bag 118 to closespecimen retrieval bag 118. - As shown in
FIG. 21 ,releasable latch 192 may then be moved from the closed condition to the open condition to releasecinch cord 126 fromshaft 112, thereby disengagingspecimen retrieval bag 118 fromsurgical retrieval apparatus 10. Thereafter,surgical retrieval apparatus 10 and the closedspecimen retrieval bag 118 including the tissue specimen “S” disposed therein may each be removed, independently of one another, from the thoracic cavity. - From the foregoing and with reference to the various figure drawings, those skilled in the art will appreciate that certain modifications can also be made to the present disclosure without departing from the scope of the same. While several embodiments of the disclosure have been shown in the drawings, it is not intended that the disclosure be limited thereto, as it is intended that the disclosure be as broad in scope as the art will allow and that the specification be read likewise. Therefore, the above description should not be construed as limiting, but merely as exemplifications of particular embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the claims appended hereto.
Claims (15)
1-20. (canceled)
21. A method of specimen retrieval, comprising:
providing a surgical retrieval apparatus including:
a housing defining a longitudinal axis and including an elongated sleeve extending distally therefrom, the housing and the elongated sleeve cooperating to define a lumen extending longitudinally therethrough;
a shaft having an end effector assembly disposed at a distal end thereof, the shaft selectively translatable through the lumen;
an articulation mechanism coupled to the end effector assembly; and
a specimen retrieval bag releasably positioned on the end effector assembly;
inserting the shaft partially into the lumen through a proximal end of the housing to a first position, wherein the end effector assembly is disposed within the elongated sleeve;
positioning the surgical retrieval apparatus within an internal body cavity;
translating the shaft distally through the lumen to a second position wherein the end effector assembly extends distally from the elongated sleeve to deploy the specimen retrieval bag and enable articulation; and
articulating the end effector assembly with respect to the longitudinal axis to position an open end of the specimen retrieval bag adjacent the specimen of tissue to be retrieved.
22. The method according to claim 21 , further including locking the shaft in at least one of the first and second positions.
23. The method according to claim 21 , further including actuating a release trigger to permit manual translation of the shaft from the second position back to the first position such that the end effector assembly is disposed within the elongated sleeve.
24. The method according to claim 21 , wherein translation of the shaft from the second position back to the first position separates the specimen retrieval bag from the end effector assembly.
25. The method according to claim 21 , wherein a cinch cord is coupled at a distal end thereof to an open end of the specimen retrieval bag and is releasably engaged at a proximal end thereof to the shaft such that, upon translation of the shaft from the second position back to first third position, the cinch cord is pulled proximally to cinch the open end of the bag closed and further including disengaging the proximal end of the cinch cord from the shaft upon movement of the shaft from second position back to the first position.
26. The method according to claim 21 , wherein the articulating step includes selectively rotating an articulation wheel about the longitudinal axis to articulate the end effector assembly relative to the longitudinal axis.
27. A method of specimen retrieval, comprising:
providing a surgical retrieval apparatus defining a longitudinal axis, the surgical retrieval apparatus including a selectively deployable end effector assembly having a specimen retrieval bag coupled thereto, and an articulation mechanism associated with the end effector assembly;
transitioning the end effector assembly from a retracted position to an extended position to deploy the specimen retrieval bag, wherein transitioning the end effector assembly from the retracted position to the extended position engages the articulation mechanism with the end effector assembly to enable articulation;
articulating the end effector assembly with respect to the longitudinal axis; and
transitioning the end effector assembly from the extended position to the retracted position, wherein transitioning the end effector assembly from the extended position to the retracted position disengages the articulation mechanism from the end effector assembly to disable articulation.
28. The method according to claim 27 , wherein the surgical retrieval apparatus includes a housing defining having an elongated sleeve extending distally therefrom, the housing and the elongated sleeve cooperating to define a lumen extending longitudinally therethrough, the surgical retrieval apparatus further including a shaft having the end effector assembly disposed at a distal end thereof, the shaft selectively translatable through the lumen, and wherein transitioning the end effector assembly from the retracted position to the extended position includes translating the shaft distally through the lumen from a first position to a second position.
29. The method according to claim 28 , further including locking the shaft in the first or second position.
30. The method according to claim 27 , wherein transitioning the end effector assembly from the extended position to the retracted position separates the specimen retrieval bag from the end effector assembly.
31. The method according to claim 27 , further including closing the specimen retrieval bag.
32. The method according to claim 31 , wherein closing the specimen retrieval bag separates the specimen retrieval bag from the end effector assembly.
33. The method according to claim 27 , wherein transitioning the end effector assembly from the extended position to the retracted position includes actuating a release trigger and manually returning the end effector assembly from the extended position to the retracted position.
34. The method according to claim 27 , wherein articulating includes selectively rotating an articulation wheel about the longitudinal axis to articulate the end effector assembly with respect to the longitudinal axis.
Priority Applications (1)
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Also Published As
Publication number | Publication date |
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CA2756317A1 (en) | 2012-07-06 |
EP2474270A2 (en) | 2012-07-11 |
EP2474270A3 (en) | 2013-02-20 |
US8734464B2 (en) | 2014-05-27 |
AU2016200733A1 (en) | 2016-02-25 |
US20120179165A1 (en) | 2012-07-12 |
JP2012143538A (en) | 2012-08-02 |
JP5939760B2 (en) | 2016-06-22 |
AU2011232761A1 (en) | 2012-07-26 |
AU2011232761B2 (en) | 2016-01-14 |
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