Circular stapling system comprising rotary firing system

• US 10,675,021 B2
• Filed: 04/01/2016
• Issued: 06/09/2020
• Est. Priority Date: 04/01/2016
• Status: Active Grant

• Current Assignee: Cilag Gmbh International (Johnson & Johnson)
• Original Assignee: Ethicon, LLC (Johnson & Johnson)
• Inventors: Harris, Jason L., Shelton, IV, Frederick E., Garner, Dean L.
• Primary Examiner(s): Weeks, Gloria R
• Application Number:
  US15/089,309
• Publication Number:
  US 20170281169A1
• Time in Patent Office: 1,530 Days
• Field of Search: 623 211, 2271781
• CPC Class Codes: A61B 17/00234 for minimally invasive surgery A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence
• CPC Class Codes: A61B 17/0644 penetrating the tissue, deformable to closed position
• CPC Class Codes: A61B 17/068 Surgical staplers , e.g. containing multiple staples or clampsstaplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105; for performing anastomosis A61B17/115; staplers in general B25C5/00
• CPC Class Codes: A61B 17/0686 having a forming anvil staying below the tissue during stapling
• CPC Class Codes: A61B 17/072 for applying a row of staples in a single action , e.g. the staples being applied simultaneously
• CPC Class Codes: A61B 17/07207 the staples being applied sequentially
• CPC Class Codes: A61B 17/07292 Reinforcements for staple line, e.g. pledgets
• CPC Class Codes: A61B 17/105 Wound clamp magazines for packaging sharps A61B50/3001
• CPC Class Codes: A61B 17/115 Staplers for performing anastomosis in a single operation
• CPC Class Codes: A61B 17/1155 Circular staplers comprising a plurality of staples
• CPC Class Codes: A61B 17/29 Forceps for use in minimally invasive surgery
• CPC Class Codes: A61B 17/32 Surgical cutting instruments A61B18/042 takes precedence; suture cutters A61B17/0467; instruments for ligaturing or cutting A61B17/128; instruments for rupturing the amniotic membrane A61B17/4208; specially adapted knives for eye surgery A61F9/0133
• CPC Class Codes: A61B 17/320092 with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
• CPC Class Codes: A61B 17/3211 Surgical scalpels, knives; Accessories therefor
• CPC Class Codes: A61B 2017/00017 Electrical control of surgical instruments
• CPC Class Codes: A61B 2017/00022 Sensing or detecting at the treatment site
• CPC Class Codes: A61B 2017/00115 with audible or visual output with imaging means A61B90/37, A61B34/20
• CPC Class Codes: A61B 2017/00128 related to intensity or progress of surgical action
• CPC Class Codes: A61B 2017/00199 with a console, e.g. a control panel with a display
• CPC Class Codes: A61B 2017/00305 Constructional details of the flexible means
• CPC Class Codes: A61B 2017/00367 : Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
• CPC Class Codes: A61B 2017/00398 : using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2017/00407 : Ratchet means
• CPC Class Codes: A61B 2017/00424 : ergonomic, e.g. fitting in fist
• CPC Class Codes: A61B 2017/0046 : with a releasable handle; with handle and operating part separable for prosthetic joint-implanting tools A61F2/4603
• CPC Class Codes: A61B 2017/00464 : for use with different instruments with hole for different instruments A61B2017/22072
• CPC Class Codes: A61B 2017/00473 : Distal part, e.g. tip or head A61B2017/00464 takes precedence
• CPC Class Codes: A61B 2017/00477 : Coupling A61B2017/0046 takes precedence
• CPC Class Codes: A61B 2017/00734 : battery operated
• CPC Class Codes: A61B 2017/00818 : Treatment of the gastro-intestinal system
• CPC Class Codes: A61B 2017/00946 : malleable
• CPC Class Codes: A61B 2017/00964 : composite
• CPC Class Codes: A61B 2017/07214 : Stapler heads
• CPC Class Codes: A61B 2017/07221 : curved
• CPC Class Codes: A61B 2017/07228 : Arrangement of the staples
• CPC Class Codes: A61B 2017/07235 : containing different staples, e.g. staples of different shapes, sizes or materials
• CPC Class Codes: A61B 2017/07242 : achieving different staple heights during the same shot, e.g. using an anvil anvil having different heights or staples of different sizes
• CPC Class Codes: A61B 2017/07257 : characterised by its anvil
• CPC Class Codes: A61B 2017/07264 : characterised by its staple forming cavities, e.g. geometry or material
• CPC Class Codes: A61B 2017/07271 : characterised by its cartridge
• CPC Class Codes: A61B 2017/07278 : characterised by its sled or its staple holder
• CPC Class Codes: A61B 2017/07285 : characterised by its cutter
• CPC Class Codes: A61B 2017/2903 : transferring rotary motion
• CPC Class Codes: A61B 2017/2905 : flexible
• CPC Class Codes: A61B 2017/291 : the position of the handle being adjustable with respect to the shaft
• CPC Class Codes: A61B 2017/2912 : transmission of forces to actuating rod or piston
• CPC Class Codes: A61B 2017/292 : connection of actuating rod to handle, e.g. ball end in recess
• CPC Class Codes: A61B 2017/2922 : toggle linkages
• CPC Class Codes: A61B 2017/2923 : Toothed members, e.g. rack and pinion
• CPC Class Codes: A61B 2017/2927 : the angular position of the head being adjustable with respect to the shaft
• CPC Class Codes: A61B 2017/2932 : Transmission of forces to jaw members
• CPC Class Codes: A61B 2017/2946 : Locking means
• CPC Class Codes: A61B 2090/034 : abutting on parts of the device itself
• CPC Class Codes: A61B 2090/08021 : of the patient or his organs
• CPC Class Codes: A61B 2090/0808 : for indicating correct assembly of components, e.g. of the surgical apparatus
• CPC Class Codes: A61B 2090/0811 : for the position of a particular part of an instrument with respect to the rest of the instrument, e.g. position of the anvil of a stapling instrument
• CPC Class Codes: A61B 2090/0814 : Preventing re-use
• CPC Class Codes: A61B 90/37 : Surgical systems with images on a monitor during operation

Abstract

An end effector for use with a surgical stapler is disclosed, the end effector comprises a cartridge body comprising a longitudinal axis and a plurality of staple cavities defined in the cartridge body. The staple cavities comprise a first annular row of staple cavities extending around the longitudinal axis and a second annular row of staple cavities extending around the longitudinal axis. The end effector further comprises staples removably stored in the staple cavities and a ramp rotatable about the longitudinal axis to sequentially eject the staples from the staple cavities.

Claims

1. An end effector for use with a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body, comprising;

a first annular row of staple cavities extending around said longitudinal axis; and

a second annular row of staple cavities extending around said longitudinal axis;

staples removably stored in said staple cavities; and

a ramp rotatable about said longitudinal axis along a spiral firing path to eject said staples from said staple cavities, wherein said cartridge body comprises a spiral slot configured to guide said ramp, and wherein said spiral slot extends around said longitudinal axis while constantly approaching said longitudinal axis.

2. The end effector of claim 1, wherein said ramp is configured to eject said staples distally from said staple cavities.

3. An end effector for use with a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body, comprising;

a first annular row of staple cavities extending around said longitudinal axis; and

a second annular row of staple cavities extending around said longitudinal axis;

staples removably stored in said staple cavities; and

a ramp rotatable about said longitudinal axis along a spiral firing path to eject said staples from said staple cavities, wherein said cartridge body comprises a spiral slot configured to guide said ramp, and wherein said spiral slot extends around said longitudinal axis while constantly receding from said longitudinal axis.

4. The end effector of claim 3, wherein said ramp is configured to eject said staples distally from said staple cavities.

5. An end effector for use with a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body, comprising;

a first annular row of staple cavities extending around said longitudinal axis; and

a second annular row of staple cavities extending around said longitudinal axis;

staples removably stored in said staple cavities; and

a ramp rotatable about said longitudinal axis along a spiral firing path to eject said staples from said staple cavities, wherein said cartridge body comprises a curved slot configured to receive said ramp, and wherein said curved slot extends around said longitudinal axis while approaching said longitudinal axis.

6. The end effector of claim 5, wherein said ramp is configured to eject said staples from said staple cavities in a direction parallel to said longitudinal axis.

7. An end effector for use with a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body, comprising;

a first annular row of staple cavities extending around said longitudinal axis; and

a second annular row of staple cavities extending around said longitudinal axis;

staples removably stored in said staple cavities; and

a ramp rotatable about said longitudinal axis along a spiral firing path to eject said staples from said staple cavities, wherein said cartridge body comprises a curved slot configured to receive said ramp, and wherein said curved slot extends around said longitudinal axis while constantly receding from said longitudinal axis.

8. The end effector of claim 7, wherein said ramp is configured to eject said staples from said staple cavities in a direction parallel to said longitudinal axis.

9. An end effector for use with a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body, comprising;

a first annular row of staple cavities extending around said longitudinal axis; and

a second annular row of staple cavities extending around said longitudinal axis;

staples removably stored in said staple cavities; and

a ramp rotatable about said longitudinal axis along a spiral firing path to eject said staples from said staple cavities, wherein said staples comprise;

a plurality of first staples, wherein each said first staple is positioned in said first annular row of staple cavities, and wherein each said first staple is defined by a first unformed height; and

a plurality of second staples, wherein each said second staple is positioned in said second annular row of staple cavities, and wherein each said second staple is defined by a second unformed height which is different than said first unformed height.

10. The end effector of claim 9, further comprising staple drivers, wherein said ramp is configured to sequentially engage said staple drivers to sequentially eject said staples from said staple cavities.

11. The end effector of claim 10, wherein said ramp sequentially ejects said staples stored in said first annular row of staple cavities before sequentially ejecting said staples stored in said second annular row of staple cavities.

12. The end effector of claim 9, further comprising an anvil configured to deform said staples, wherein said anvil is configured to deform said first staples to a first formed height and said second staples to a second formed height, and wherein said first formed height is different than said second formed height.

13. The end effector of claim 9, wherein said ramp is configured to eject said staples distally from said staple cavities.

14. An end effector of a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body;

staples removably stored in said staple cavities; and

a firing member rotatable about said longitudinal axis to sequentially eject said staples from said staple cavities, wherein said cartridge body comprises a spiral slot configured to guide said firing member, and wherein said spiral slot extends around said longitudinal axis while constantly approaching said longitudinal axis.

15. The end effector of claim 14, wherein said firing member is configured to eject said staples distally from said staple cavities.

16. An end effector of a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body;

staples removably stored in said staple cavities; and

a firing member rotatable about said longitudinal axis to sequentially eject said staples from said staple cavities, wherein said cartridge body comprises a spiral slot configured to guide said firing member, and wherein said spiral slot extends around said longitudinal axis while constantly receding from said longitudinal axis.

17. The end effector of claim 16, wherein said firing member is configured to eject said staples distally from said staple cavities.

18. An end effector of a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body;

staples removably stored in said staple cavities; and

a firing member rotatable about said longitudinal axis to sequentially eject said staples from said staple cavities, wherein said cartridge body comprises a curved slot configured to receive said firing member, and wherein said curved slot extends around said longitudinal axis while approaching said longitudinal axis.

19. The end effector of claim 18, wherein said firing member is configured to eject said staples from said staple cavities in a direction parallel to said longitudinal axis.

20. An end effector of a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body;

staples removably stored in said staple cavities; and

a firing member rotatable about said longitudinal axis to sequentially eject said staples from said staple cavities, wherein said cartridge body comprises a curved slot configured to receive said firing member, and wherein said curved slot extends around said longitudinal axis while constantly receding from said longitudinal axis.

21. The end effector of claim 20, wherein said firing member is configured to eject said staples from said staple cavities in a direction parallel to said longitudinal axis.

22. An end effector of a surgical stapler, wherein said end effector comprises:

a cartridge body comprising a longitudinal axis;

a plurality of staple cavities defined in said cartridge body;

staples removably stored in said staple cavities; and

a firing member rotatable about said longitudinal axis to sequentially eject said staples from said staple cavities, wherein said plurality of staple cavities comprises;

a first annular row of staple cavities extending around said longitudinal axis; and

a second annular row of staple cavities extending around said longitudinal axis, wherein said firing member sequentially ejects said staples stored in said first annular row of staple cavities before sequentially ejecting said staples stored in said second annular row of staple cavities, wherein said staples comprise;

a plurality of first staples, wherein each said first staple is positioned in said first annular row of staple cavities, and wherein each said first staple is defined by a first unformed height; and

a plurality of second staples, wherein each said second staple is positioned in said second annular row of staple cavities, and wherein each said second staple is defined by a second unformed height which is different than said first unformed height.

23. The end effector of claim 22, further comprising staple drivers, wherein said firing member is configured to sequentially engage said staple drivers to sequentially eject said staples from said staple cavities.

24. The end effector of claim 22, further comprising an anvil configured to deform said staples, wherein said anvil is configured to deform said first staples to a first formed height and said second staples to a second formed height, and wherein said first formed height is different than said second formed height.

25. The end effector of claim 22, wherein said firing member is configured to eject said staples distally from said staple cavities.

26. An end effector for use with a surgical stapler configured to apply annular rows of staples, said end effector comprising:

a cartridge body;

a plurality of staple cavities defined in said cartridge body, comprising;

a first annular row of staple cavities;

a second annular row of staple cavities;

a first group of staples removably stored in said first annular row of staple cavities;

a second group of staples removably stored in said second annular row of staple cavities;

a plurality of staple drivers, wherein each said staple driver is configured to eject a said staple from a said staple cavity;

a drive slot defined along an arcuate path, wherein said arcuate path includes a first portion which extends under said first annular row of staple cavities and a subsequent portion which extends under said second annular row of staple cavities; and

a ramp slideable within said drive slot, wherein said ramp is configured to engage said staple drivers and eject said staples from said staple cavities.

27. The end effector of claim 26, wherein said ramp is configured to eject said staples distally from said staple cavities.