WO2001082807A1 - Instrument de traitement chirurgical - Google Patents
Instrument de traitement chirurgical Download PDFInfo
- Publication number
- WO2001082807A1 WO2001082807A1 PCT/JP2001/003400 JP0103400W WO0182807A1 WO 2001082807 A1 WO2001082807 A1 WO 2001082807A1 JP 0103400 W JP0103400 W JP 0103400W WO 0182807 A1 WO0182807 A1 WO 0182807A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- handle
- pivot
- fulcrum
- pair
- rotated
- Prior art date
Links
Classifications
-
- 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
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/062—Needle manipulators
-
- 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
- A61B17/2909—Handles
- A61B2017/291—Handles the position of the handle being adjustable with respect to the shaft
-
- 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
Definitions
- the present invention relates to a surgical treatment tool for performing a surgical operation by an operator grasping an operation unit provided at a base end of an insertion unit, rotating and opening and closing a treatment unit at a distal end.
- a surgical treatment tool for performing a surgical operation includes a shaft and an openable / closable treatment unit provided at a distal end portion of the shaft. And a handle provided with a drip provided at the base end of the shaft.
- the grip is pivotally supported by a shaft so that the grip is rotatable around two axes that are perpendicular to each other. It is configured to be able to turn around both the palm bending axis of the wrist and the back bending axis of the wrist without changing the position of the foot.
- the surgeon can rotate and open / close the treatment section while moving the wrist up and down while holding the grip.
- USP 5, 275, 608 are the shaft and this It comprises an openable and closable treatment section provided at the distal end of the shaft, and a handle provided at the proximal end of the shaft.
- the treatment section is configured such that a pair of treatment sections can be rotated in the same plane by a handle operation other than opening and closing.
- the surgical treatment tool can rotate a pair of treatment sections in the same plane by a handle operation, but the rotation range is narrow. Suture. There is a problem that the operability of the ligation is poor.
- the direction of the treatment section can be changed by rotating the handle without changing the direction of the insertion section, and the operation of suturing and ligating the tissue can be easily performed. It is intended to provide a surgical treatment tool.
- the present invention provides a treatment section provided at a distal end portion of an insertion section that can be inserted into a body cavity, the treatment section having a pair of jaws that can rotate and open and close with respect to the axis of the insertion section, and a base end of the insertion section.
- An operating unit provided on the unit and having handles that open and close with each other, and configured to be rotatable with respect to the axis of the insertion unit, to connect the treatment unit and the operation unit, and to be able to advance and retreat along the axial direction of the insertion unit
- the handle comprises a drive rod, and the handle is moved forward and backward by opening and closing operations of the handles to open and close the jog of the treatment section.
- the drive rod is moved forward and backward by a rotation operation of the operation section. Then, the treatment section is rotated about the axis of the insertion section.
- the present invention is provided at a base end side of an insertion portion which can be inserted into a body cavity, and is rotatable in a first direction with a first pivot as a fulcrum.
- a first connecting member provided, and a handle provided on the first connecting member and rotatable in a second direction orthogonal to the first direction with a second pivot as a fulcrum;
- the handle comprises a second connecting member provided on the handle, and a pair of drive rods connected to the left and right sides of the second connecting member with the second pivot shaft interposed therebetween.
- it is also rotatable up and down with the second pivot as a fulcrum.
- the pair of drive rods advance and retreat in mutually opposite directions along the axial direction of the insertion portion, and move the handle in the first direction.
- the pair of drive rods move along the axial direction of the insertion portion. Flip and said that you forward and backward in the direction.
- the pair of drive rods advances and retreats in the opposite direction along the axial direction of the insertion portion, and the treatment section is rotated in the left-right direction to rotate the treatment section. You can change the direction.
- the pair of drive rods advance and retreat in the same direction along the insertion portion, and the treatment section can be rotated in the upward and downward directions.
- the pair of handles are opened and closed, the drive rod advances and retracts, and the pair of joysticks of the treatment section open and close.
- FIG. 1A is a side view of a surgical treatment tool according to a first embodiment of the present invention in a straight state.
- FIG. 1B is a side view of the embodiment with the treatment section and the operation section turned.
- FIG. 1C is a bottom view of the leading end side of the insertion portion of the embodiment.
- FIG. 1D is a perspective view showing a state in which the operation unit and the treatment unit are horizontal with respect to the insertion unit of the embodiment.
- FIG. 1E is a perspective view of the same embodiment, with the operation unit being perpendicular to the insertion unit and the treatment unit being perpendicular to the bottom.
- FIG. 1F is a perspective view showing a state where the operation unit is bent to the left and the treatment unit is bent to the right with respect to the insertion unit of the embodiment.
- FIG. 1G is a perspective view of the insertion unit of the embodiment, with the operation unit vertically bent upward and bent to the left, the treatment unit bent vertically downward, and then bent to the right.
- FIG. 2A is a longitudinal sectional side view of the treatment section of the embodiment.
- FIG. 2B is a cross-sectional view of the same embodiment, taken along line B-B.
- FIG. 2C is a cross-sectional view of the same embodiment, taken along the line CC.
- FIG. 2D is a cross-sectional view of the same embodiment, taken along line D-D.
- FIG. 2E is a cross-sectional view of the same embodiment, taken along line E-E.
- FIG. 3A shows the same embodiment, and is a side view in a state where a treatment section is straightened.
- FIG. 3B shows the same embodiment, and is a side view in a state where the treatment section is rotated downward at right angles.
- FIG. 4 is a plan view of the same embodiment, showing a state where the treatment section is rotated to the left.
- FIG. 5A is a side view showing the operation unit in a state where the treatment unit is straight and the first and second jaws are closed.
- FIG. 5B shows the same embodiment, and is a side view showing the operation unit in a state where the treatment unit is straight and the first and second jaws are open.
- FIG. 6A shows the same embodiment.
- FIG. 6B is a side view showing the operation unit in a state where the treatment unit is rotated by 45 ° and the first and second joces are closed.
- FIG. 7A shows the same embodiment, and FIG. 7A shows the same embodiment, with the treatment section being rotated by 45 ° and the first and second joces being opened.
- FIG. 7B shows the same embodiment, in which the first and second jaws are closed in a state where the treatment section is rotated 90 °, and the treatment section is rotated 90 °.
- FIG. 8A and FIG. 8B are side views showing the operation unit in a state where the first and second jaws are opened.
- FIG. 8A and FIG. 8B are explanatory views showing the same embodiment and showing a use state of a surgical treatment tool.
- FIGS. 1A to 1G show the entire configuration of the surgical treatment tool
- FIG. 1A is a side view of a straightened state
- FIG. Fig. 1C is a bottom view of the insertion section at the tip end side
- Fig. 1D is a perspective view of the operation section and the treatment section being horizontal with respect to the insertion section
- Fig. 1E is a perspective view of the operation unit with the operation unit vertical to the insertion unit and the treatment unit vertical to the bottom
- Fig. 1F is the operation unit bent to the left with respect to the insertion unit.
- Figure 1G shows the operation section perpendicular to the insertion section, then bent to the left, and the treatment section perpendicular to the bottom, then to the right It is a perspective view of the state bent to.
- the surgical treatment tool 1 is provided at an insertion portion 2 and a distal end of an insertion portion 2.
- an operation unit 4 provided at the treatment section 3 and the proximal end of the introduction section 2
- an operation unit 4 provided at the treatment section 3 and the proximal end of the introduction section 2
- Fig. 2A is a side view of the treatment unit 3 rotated 45 ° downward
- Fig. 2B is a cross-sectional view taken along line B-B of Fig. 2A
- Fig. 2C is C of Fig. 2A.
- Fig. 2D is a cross-sectional view along line D-D in Fig. 2A
- Fig. 2E is a cross-sectional view along line EE in Fig. 2A
- Fig. 3A is the treatment unit.
- Fig. 3B is a side view with the treatment section turned downward at a right angle
- Fig. 4 is a plan view with the treatment section turned to the left.
- the inlet 2 is formed by a long thin pipe, in which a first drive rod 5 composed of a thin rod and a second drive rod 5 are provided.
- the drive rod 6 and the third drive rod 7 pass through in parallel.
- the first drive rod 5 is arranged at a position above the axis of the insertion section 2, and the second and third drive rods 6 and 7 are arranged symmetrically below the axis of the insertion section 2. And are independent of each other in the axial direction.
- a support section 8 having rigidity protruding forward is provided on the distal end of the insertion section 2.
- a slit 8 a is provided at the tip of the support portion 8, and a rotating plate 10 that rotates in the left-right direction is connected to the slit 8 a by a pivot shaft 9 orthogonal to the axial direction of the insertion portion 2.
- a first pivot pin 11 is fixed to the rotating plate 10 in a direction perpendicular to the pivot 9, and the first jog 12 is fixed to the first pivot pin 11. Is pivotally supported at the base end.
- a bent portion 12 a is provided at the base end of the first jaw 12, and the bent portion 12 a
- the second and third drive rods 6 and 7 are connected to each other by means described later.
- a second jaw 14 is rotatably connected to an intermediate portion of the first jaw 12 by a second pivot pin 13.
- the second and second jaws 14 are rotatable about a second pivot pin 13 as a fulcrum.
- One end of a first connecting member 16 is rotatably connected to the base end of the second jaw 14 via a first connecting pin 15.
- the other end is connected to a second connecting member 18 via a left-right pivot pin 17.
- the other end of the second connecting member 18 is rotatably connected to the distal end of the first drive rod 5 via a second connecting pin 19.
- a third connecting member 21 is connected to the bent portion 12 a of the first jaw 12 via a third connecting pin 20.
- the proximal end of the third connecting member 21 is wide in the left-right direction, and a fourth connecting pin 22 and a fifth connecting pin 23 are provided on the base end side so as to be separated in the left-right direction. Have been.
- the fourth connecting pin 22 is connected to the second 6, and the fifth connecting pin 23 is connected to the third drive rod 7.
- the surgical instrument 1 configured as described above, when the first drive rod 5 is advanced, the second jog is provided via the first connecting member 16 and the second connecting member 18.
- the second jaw 14 rotates about the first pivot pin 11 as a fulcrum to push the base end of the first 14 forward. 14 opens.
- the first drive rod 5 is retracted, the base end of the second jaw 14 is pulled backward via the first connecting member 16 and the second connecting member 18. Therefore, the second jaw 14 rotates about the first pivot pin 11 as a fulcrum, and the first and second jaws 12 and 14 are closed.
- the first end of the first jaw 12 is pulled backward through the third connecting member 21.
- the jog 12 rotates about the first pivot pin 11 as a fulcrum
- the second jog 14 rotates in the same direction using the first connecting pin 15 as a fulcrum.
- the first and second jaws 12 and 14 can be rotated approximately at right angles to the axis of the inlet 2.
- the proximal end of the first jaw 12 is pushed forward through the third connecting member 21.
- the first jaw 12 pivots about the first pivot pin 11 as a fulcrum and the second jaw 14 pivots about the first connecting pin 15 as a fulcrum. And the first and second jaws 12 and 14 can be simultaneously rotated in the horizontal direction with respect to the axis of the insertion portion 2.
- the base end side of the support portion 8 has a cylindrical shape, and is provided so as to engage with the distal end portion of the insertion portion 2.
- the first and second jaws 12 and 14 are provided.
- the rotating plate 10 rotates to the left with the pivot 9 as a fulcrum.
- the first and second jobs Reference numerals 1 and 2 and 14 rotate leftward with the pivot 9 as a fulcrum.
- the rotation ⁇ 10 is pivoted about the pivot shaft 9 as a fulcrum.
- the second jaws 12 and 14 rotate rightward with the pivot 9 as a fulcrum.
- the openable and closable first and second jaws 12 14 can be rotated in the vertical and horizontal directions, and the first and second jaws 12 and 14 can be rotated.
- the target area can be easily approached, and the degree of freedom in treatment can be improved.
- FIG. 5A is a side view showing the operation unit 4 in a state where the treatment unit 3 is straight and the first and second jaws 12 and 14 are closed
- FIG. 5B is a diagram in which the treatment unit 3 is straight
- FIG. 6A is a side view showing the operation unit 4 in a state where the first and second jaws 12 and 14 are opened.
- FIG. 6A shows a state in which the treatment unit 3 is rotated by 45 °, and the first and second jaws are shown.
- Fig. 6B shows the first and second jaws 12 and 1 with the treatment unit 3 rotated by 45 °.
- FIG. 4A is a side view showing the operation unit 4 in an opened state
- FIG. 7A shows a state in which the treatment unit 3 is rotated 90 ° and the first and second jaws 12 and 14 are closed
- FIG. 7B is a side view showing the operation unit 4
- FIG. 7B is a side view showing the operation unit 4 with the first and second jaws 12 and 14 opened when the treatment unit 3 is rotated 90 °. It is. '
- the first drive rod 5 is arranged so as to be deviated upward from the axis of the insertion section 2, and the second and third drive rods 6 and 7 are aligned with the axis of the insertion section 2. It is arranged symmetrically on the lower side
- a support portion 31 having rigidity protruding rearward is provided at a base end portion of the insertion portion 2.
- the support portion 31 is provided with a first pivot portion 33 having a pivot 32 in the vertical direction, and the first pivot member 33 has a first connecting member 34 pivoted in the left-right direction. It is set up as possible.
- the first connecting member 34 is provided with a second pivot 36 having a pivot 35 in the left-right direction, and the first handle 37 is turned on the second pivot 36 in the vertical direction. It is provided movably.
- a second handle 39 is provided on the first handle 37 by a pivot 38 so as to be vertically rotatable.
- a pivot 40 is provided at the base end of the first drive rod 5 in the left-right direction, and a first connection shaft 41 is connected to the pivot 40 so as to be rotatable in the vertical direction.
- a pivot 42 is provided on the first connection shaft 41 in an upward and downward direction, and one end of a second connection shaft 43 is connected to the pivot 42 so as to be rotatable in the left-right direction.
- the other end of the second connection shaft 43 is connected to a pivot 44 provided on the second handle 39 in the left-right direction so as to be rotatable in the vertical direction.
- a pivot 45 is provided below the pivot 35 in the left-right direction, and one end of a second connecting member 46 is connected to the pivot 45 so as to be rotatable in the vertical direction.
- the other end of the second linking member 46 is wide in the left-right direction, and the left and right ends of the wide portion are provided with pivots 47, 48 (only one is shown) in the up-down direction. I have.
- the second drive rod 6 and the third drive rod 7 are connected to the pivots 47 and 48. Therefore, the first and second support portions 31 are provided with respect to the support portion 31 provided at the base end of the insertion portion 2.
- Handles 37 and 39 are rotatable in the left and right directions with the first pivot 33 as a fulcrum, and are freely rotatable in the vertical direction with the second pivot 36 as a fulcrum. It is provided.
- the second handle 39 is pivoted about the pivot 38 so as to move away from the first handle 37. Then, the drive rod 5 moves forward, and pushes the base end of the second jaw 14 forward through the first connecting member 16 and the second connecting member 18, so that the second jaw 1 4 rotates about the first pivot pin 11 as a fulcrum, and the first and second jaws 12 and 14 are opened. Conversely, when the second handle 39 is rotated so as to approach the first handle 37 with the pivot 38 as a fulcrum, the first drive rod 5 retreats and the first drive rod 5 retreats. Since the proximal end of the second jaw 14 is pulled rearward through the connecting member 16 and the second connecting member 18, the second jaw 14 is connected to the first pivot pin. The first and second jaws 12, 14 are closed by rotating about the pin 11 as a fulcrum. At this time, the rotation angle of the second handle 39 and the rotation angle of the second jaw 14 become substantially equal.
- the third connection member 21 is interposed.
- the first jaw 12 pivots about the first pivot pin 11 to pull the proximal end of the first jaw 12 backward.
- the second jaw 14 rotates in the same direction with the first connecting pin 15 as a fulcrum, and the first and second jaws 12, 14 are substantially aligned with the axis of the insertion portion 2. Can be turned to a right angle.
- the first handle 37 is pivoted about the pivot 35
- the second and third drive rods 6 and 7 are simultaneously advanced, the base end of the first jaw 12 is pushed forward through the third connecting member 21.
- the first jaw 12 rotates with the first pivot pin 11 as a fulcrum
- the second jaw 14 rotates in the same direction with the first connecting pin 15 as a fulcrum. Then, the first and second jaws 12 and 14 can be simultaneously rotated in the horizontal direction with respect to the shaft of the insertion section 2.
- the second handle 39 is rotated about the pivot 38. Then, the first drive rod 5 is advanced. Then, the base of the second jaw 14 is pushed forward via the first and second connecting members 16 and 18, so that the second jaw 14 is moved to the second jaw 14.
- the first and second jaws 12 and 14 are opened by pivoting about the pivot pin 13 as a fulcrum.
- first drive rod 37 and the second drive rod 39 are rotated together with the pivot 32 as a fulcrum to the right to move the second drive rod 6 backward.
- the rotating plate 10 rotates leftward with the pivot 9 as a fulcrum
- the first and second jaws 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, and 4 rotates leftward with the pivot 9 as a fulcrum.
- the first handle 37 and the second handle 39 are rotated together with the pivot 32 as a fulcrum to the left to move the second drive rod 6 forward, and the third drive rod 6 moves forward.
- the second handle 39 is pivoted downward about the pivot 38 to the first handle 37 with respect to the first handle 37 in the operation unit 4, and the first knob is rotated.
- the first drive rod 5 is moved to the operation unit 4 side via the second connection shaft 43 and the first connection shaft 41.
- the first connecting pin 15 is drawn toward the operating section 4 via the first connecting member 16 on the treatment section 3 side connected to the first drive rod 5, so that FIG.
- the first and second jaws 12 and 14 are straightened with the first and second jaws 12 and 14 closed with the first pivot pin 11 as a fulcrum.
- the first connecting pin 15 is protruded to the distal end side via the first connecting member 16 on the treatment section 3 side connected to the first drive rod 5, and as shown in FIG. 3B. Then, the first and second jows 12 and 14 are closed 90 ° downward with the first pivot pin 11 as a fulcrum. Therefore, the treatment section 3 is moved up and down by rotating the first and second handles 37, 39 on the operation section 4 side up and down around the pivot 35. It can be straightened in the extension direction or can be angled with respect to the insertion section 2. For example, Figure 6A shows the first node 37 and the second node 39 Can be rotated 45 ° upward with the first and second jaws 12 and 14 closed in a parallel state. You.
- the fourth connecting pin 22 in the treatment section 3 retreats, and the fifth connecting pin 23 advances, so that the third connecting member 21 rotates leftward about the pivot shaft 9 as a fulcrum. Then, the first and second jaws 12 and 14 rotate to the left (see FIG. 1B). Conversely, when the first node 37 and the second node 39 are pivoted together with the pivot 32 as a fulcrum, they are rotated through the second connecting member 46. As a result, the second drive rod 6 moves forward, and the third drive rod 7 moves backward.
- the fourth connecting pin 22 in the treatment section 3 moves forward, and the fifth connecting pin 23 moves backward, so that the third connecting member 21 moves rightward with the pivot 9 as a fulcrum.
- the first and second jows 12 and 14 rotate to the right.
- first and second jaws 12 and 14 rotate leftward in conjunction with the rightward rotation of the first and second nozzles 37 and 39, and the first and second jaws 12 and 14 rotate leftward.
- the second handles 37, 39 and the first and second jaws 12 24 are in a substantially parallel state, and the first and second handles 37, 39 cause The direction of the treatment section 3 can be operated in any direction.
- the first connection pin 15 projects to the distal end side via the first connection member 16 on the treatment section 3 side connected to the first drive rod 5, so that the second pivot pin
- the second jaw 14 opens relative to the first jaw 12 with the pin 13 as a fulcrum.
- the treatment is performed by rotating the second handle 39 upward with the pivot 38 as a fulcrum with respect to the first handle 37 in the operation unit 4.
- the first handle 37 and the second handle 39 are opened with the part 3 rotated by 45 °, the second connection shaft 43 and the first connection shaft 41 are opened.
- the first drive rod 5 moves forward through.
- the first connection pin 15 projects to the distal end side via the first connection member 16 on the treatment section 3 side connected to the first drive rod 5, so that the second pivot pin
- the second jaw 14 opens relative to the first jaw 12 with the pin 13 as a fulcrum.
- the second handle 39 is rotated upward with the pivot 38 as a fulcrum with respect to the first handle 37 of the operation unit 4.
- the first handle 37 and the second handle 39 are opened with the treatment section 3 rotated 90 °, the second connection shaft 43 and the first connection shaft 41 are opened.
- the first drive rod 5 moves forward via.
- FIG. 8A shows a state in which the first driving rod 5 is retracted, and the first and second jaws 12 and 14 are turned substantially at right angles to the axis of the insertion portion 2 and turned downward.
- FIG. 8A shows a state in which the suture needle 50 with a thread is gripped by the first and second jows 12 and 14.
- the suture needle 50 is punctured into the tissue 51.
- the base of the first jaw 12 is pulled, so that the first jaw 12 and the second jaw 14 are moved to the first pivot.
- the support pin 11 is pivoted forward with the fulcrum as a fulcrum.
- the suture needle 50 is punctured into the tissue 51 having the incision 52, and the distal end of the suture needle 50 is inserted. Protrude from the surface of organization 51. In this way, the first and second jows 12 and 14 can be rotated in the axial direction of the suturing needle 50, and the puncture of the suturing needle 50 can be easily performed. .
- first and second jaws 12 and 14 are oriented in the axial direction of the insertion portion 2, and when the first and second jaws 12 and 14 are pivotally displaced downward substantially at right angles to the axis.
- the first and second jaws 12 and 14 can be rotated to open and close, so that the target portion can be reliably approached.
- the tissue 51 can be grasped, Peeling is also easy.
- the suture needle 50 is gripped and joined by the first and second jaws 12 and 14, the first and second handles are used.
- the first and second jaws 12 and 14 are rotated left and right by rotating the first and second jaws 12 and 14 horizontally by rotating the first and second pivots 37 and 39 around the first pivot 32.
- the suturing can be performed without changing the suturing needle 50, and the surgical treatment tool 1 is separately provided.
- the troublesome operation of re-inserting from the direction is eliminated.
- an insertion part is inserted in a body cavity of a living body, a suture needle with a thread is grasped by a pair of jaws, and a living tissue can be sutured and ligated.
- the treatment portion can be opened and closed by moving the drive rod forward and backward by the opening and closing operations of the handles, and the drive rod can be moved by the turning operation of the handles.
- the treatment section can be rotated about the shaft of the insertion section by moving forward and backward. Therefore, by turning the handle without changing the direction of the insertion portion, the direction of the treatment portion can be changed, and the operability of surgical operations such as tissue suturing and ligation is improved. The effect is that it can be improved.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01921951A EP1277443B1 (en) | 2000-04-27 | 2001-04-20 | Surgical treating instrument |
DE60115874T DE60115874T2 (de) | 2000-04-27 | 2001-04-20 | Instrument zur chirurgischen behandlung |
US10/029,627 US6936061B2 (en) | 2000-04-27 | 2001-12-21 | Surgical operation instrument |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-128265 | 2000-04-27 | ||
JP2000128265A JP3791893B2 (ja) | 2000-04-27 | 2000-04-27 | 外科用処置具 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/029,627 Continuation US6936061B2 (en) | 2000-04-27 | 2001-12-21 | Surgical operation instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001082807A1 true WO2001082807A1 (fr) | 2001-11-08 |
Family
ID=18637731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/003400 WO2001082807A1 (fr) | 2000-04-27 | 2001-04-20 | Instrument de traitement chirurgical |
Country Status (5)
Country | Link |
---|---|
US (1) | US6936061B2 (ja) |
EP (1) | EP1277443B1 (ja) |
JP (1) | JP3791893B2 (ja) |
DE (1) | DE60115874T2 (ja) |
WO (1) | WO2001082807A1 (ja) |
Cited By (4)
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EP1250891A2 (en) * | 2001-04-18 | 2002-10-23 | Olympus Optical Co., Ltd. | Surgical instrument |
US9579145B2 (en) | 2005-09-30 | 2017-02-28 | Covidien Ag | Flexible endoscopic catheter with ligasure |
US10303641B2 (en) | 2014-05-07 | 2019-05-28 | Covidien Lp | Authentication and information system for reusable surgical instruments |
US11844562B2 (en) | 2020-03-23 | 2023-12-19 | Covidien Lp | Electrosurgical forceps for grasping, treating, and/or dividing tissue |
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US6267761B1 (en) * | 1997-09-09 | 2001-07-31 | Sherwood Services Ag | Apparatus and method for sealing and cutting tissue |
US6726686B2 (en) | 1997-11-12 | 2004-04-27 | Sherwood Services Ag | Bipolar electrosurgical instrument for sealing vessels |
US7435249B2 (en) | 1997-11-12 | 2008-10-14 | Covidien Ag | Electrosurgical instruments which reduces collateral damage to adjacent tissue |
US6228083B1 (en) | 1997-11-14 | 2001-05-08 | Sherwood Services Ag | Laparoscopic bipolar electrosurgical instrument |
US7582087B2 (en) | 1998-10-23 | 2009-09-01 | Covidien Ag | Vessel sealing instrument |
US7364577B2 (en) | 2002-02-11 | 2008-04-29 | Sherwood Services Ag | Vessel sealing system |
US7118570B2 (en) | 2001-04-06 | 2006-10-10 | Sherwood Services Ag | Vessel sealing forceps with disposable electrodes |
US7267677B2 (en) | 1998-10-23 | 2007-09-11 | Sherwood Services Ag | Vessel sealing instrument |
US7887535B2 (en) | 1999-10-18 | 2011-02-15 | Covidien Ag | Vessel sealing wave jaw |
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EP1250891A2 (en) * | 2001-04-18 | 2002-10-23 | Olympus Optical Co., Ltd. | Surgical instrument |
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US11144495B2 (en) | 2014-05-07 | 2021-10-12 | Covidien Lp | Authentication and information system for reusable surgical instruments |
US11886373B2 (en) | 2014-05-07 | 2024-01-30 | Covidien Lp | Authentication and information system for reusable surgical instruments |
US11844562B2 (en) | 2020-03-23 | 2023-12-19 | Covidien Lp | Electrosurgical forceps for grasping, treating, and/or dividing tissue |
Also Published As
Publication number | Publication date |
---|---|
DE60115874T2 (de) | 2006-08-24 |
US20020055758A1 (en) | 2002-05-09 |
EP1277443B1 (en) | 2005-12-14 |
JP3791893B2 (ja) | 2006-06-28 |
EP1277443A1 (en) | 2003-01-22 |
EP1277443A4 (en) | 2004-06-16 |
DE60115874D1 (de) | 2006-01-19 |
JP2001299768A (ja) | 2001-10-30 |
US6936061B2 (en) | 2005-08-30 |
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