Stapling system configured to produce different formed staple heights

• US 10,258,336 B2
• Filed: 03/03/2016
• Issued: 04/16/2019
• Est. Priority Date: 09/19/2008
• Status: Active Grant

• Current Assignee: Cilag Gmbh International (Johnson & Johnson)
• Original Assignee: Ethicon, LLC (Johnson & Johnson)
• Inventors: Baxter, III, Chester O., Bedi, James J.
• Primary Examiner(s): Chukwurah, Nathaniel C
• Application Number:
  US15/059,515
• Publication Number:
  US 20160174985A1
• Time in Patent Office: 1,139 Days
• Field of Search: 2271761, 2271751, 2271801, 227 19
• 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 17/07207 the staples being applied sequentially
• CPC Class Codes: A61B 17/105 Wound clamp magazines for packaging sharps A61B50/3001
• CPC Class Codes: A61B 17/2909 Handles
• 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 2017/00446 for use only by lefthanded or only by righthanded persons
• CPC Class Codes: A61B 2017/07214 Stapler heads
• 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 2017/0725 with settable gap between anvil and cartridge, e.g. for different staple heights at different shots
• CPC Class Codes: A61B 2017/07285 characterised by its cutter
• CPC Class Codes: A61B 2090/037 with a frangible part, e.g. by reduced diameter
• CPC Class Codes: A61B 2090/0801 Prevention of accidental cutting or pricking
• CPC Class Codes: A61B 2090/08021 of the patient or his organs
• CPC Class Codes: A61B 2090/0813 Accessories designed for easy sterilising, i.e. re-usable
• CPC Class Codes: A61B 2090/0814 Preventing re-use

Abstract

A stapling system comprising a surgical stapler, a cartridge jaw, and a replaceable staple cartridge is disclosed. The surgical stapler comprises a firing member movable through a firing stroke. The replaceable staple cartridge comprises a cartridge body, a pan, staples, and a staple driver. The cartridge body comprises a longitudinal slot, a first deck portion, a second deck portion, and three adjacent longitudinal rows of staple cavities defined in the first deck portion. The pan comprises a first flexible arm and a second flexible arm engaged with the cartridge body in a snap-fit arrangement. Each staple is deployable between an unfired position and a fired position. The firing member is configured to sequentially deploy the staples when the firing member is moved through the firing stroke. The staple driver is configured to simultaneously deploy more than two staples located in the adjacent longitudinal rows of staple cavities.

Claims

1. A stapling system, comprising:

a surgical stapler, comprising;

an anvil jaw, comprising;

a pivot pin;

a planar surface; and

three adjacent longitudinal rows of forming pockets defined in said planar surface; and

a firing member movable through a firing stroke;

a cartridge jaw attachable to said anvil jaw, wherein said cartridge jaw comprises a latching mechanism configured to latch onto said pivot pin to attach said cartridge jaw to said anvil jaw; and

a replaceable staple cartridge insertable into said cartridge jaw, said replaceable staple cartridge comprising;

a cartridge body, comprising;

a proximal end;

a distal end;

a longitudinal slot configured to receive said firing member;

a first deck portion defined on a first side of said longitudinal slot;

three adjacent longitudinal rows of staple cavities defined in said first deck portion;

a first retention aperture defined in said first deck portion;

a second deck portion defined on a second side of said longitudinal slot;

a second retention aperture defined in said second deck portion; and

a bottom portion;

a pan extending around said bottom portion, wherein said pan comprises;

a first flexible arm engaged with said cartridge body in a snap-fit arrangement, wherein said first flexible arm extends into said first retention aperture; and

a second flexible arm engaged with said cartridge body in a snap-fit arrangement, wherein said second flexible arm extends into said second retention aperture;

staples removably stored in said staple cavities, wherein each said staple is deployable between an unfired position and a fired position, and wherein said firing member is configured to sequentially deploy said staples when said firing member is moved through said firing stroke; and

a staple driver configured to simultaneously deploy more than two staples located in said adjacent longitudinal rows of staple cavities.

2. The stapling system of claim 1, further comprising means for deforming said staples to a first deformed height, a second deformed height, and a third deformed height.

3. The stapling system of claim 1, wherein said replaceable staple cartridge further comprises a sled configured to be moved distally by said firing member to lift said staple driver.

4. A stapling system, comprising:

a surgical stapler, comprising;

a pivot pin;

an anvil jaw, comprising;

a planar surface; and

three longitudinal rows of forming pockets defined in said planar surface; and

a cartridge jaw movable relative to said anvil jaw, wherein said cartridge jaw is configured to be latched to and unlatched from said anvil jaw, and wherein said cartridge jaw comprises a latch configured to grab onto said pivot pin to latch said cartridge jaw to said anvil jaw;

a firing member movable through a firing stroke; and

a replaceable staple cartridge insertable into said cartridge jaw, said replaceable staple cartridge comprising;

a cartridge body, comprising;

a proximal end;

a distal end;

a longitudinal slot configured to receive said firing member;

a first deck portion defined on a first side of said longitudinal slot;

three longitudinal rows of staple cavities defined in said first deck portion;

a first arm aperture defined in said first deck portion;

a second deck portion defined on a second side of said longitudinal slot;

a second arm aperture defined in said second deck portion; and

a bottom portion;

a pan extending around said bottom portion, wherein said pan comprises;

a first flexible arm engaged with said cartridge body, wherein said first flexible arm extends into said first arm aperture; and

a second flexible arm engaged with said cartridge body, wherein said second flexible arm extends into said second arm aperture;

staples removably stored in said staple cavities, wherein each said staple is deployable between an unfired position and a fired position, and wherein said firing member is configured to progressively deploy said staples when said firing member is moved through said firing stroke; and

a staple driver configured to simultaneously deploy more than two staples located in said longitudinal rows of staple cavities.

5. The stapling system of claim 4, further comprising means for deforming said staples to a first deformed height, a second deformed height, and a third deformed height.

6. The stapling system of claim 4, wherein said replaceable staple cartridge further comprises a sled configured to be moved distally by said firing member to lift said staple driver.

7. A stapling system, comprising:

a surgical stapler, comprising;

a pivot pin;

an anvil jaw comprising three rows of forming pockets; and

a firing member movable through a firing stroke;

a cartridge jaw attachable to said anvil jaw, wherein said cartridge jaw comprises a latch configured to clamp onto said pivot pin to attach said cartridge jaw to said anvil jaw; and

a replaceable staple cartridge attachable to said cartridge jaw, said replaceable staple cartridge comprising;

a cartridge body, comprising;

a longitudinal slot configured to receive said firing member;

a first deck portion defined on a first side of said longitudinal slot;

three rows of staple cavities defined in said first deck portion, wherein said three rows of staple cavities are alignable with said three rows of forming pockets;

a second deck portion defined on a second side of said longitudinal slot; and

a bottom portion;

a pan extending around said bottom portion, wherein said pan comprises;

a first flexible arm engaged with said cartridge body in a snap-fit arrangement; and

a second flexible arm engaged with said cartridge body in a snap-fit arrangement;

staples removably stored in said staple cavities, wherein each said staple is deployable between an unfired position and a fired position, and wherein said firing member is configured to progressively deploy said staples when said firing member is moved through said firing stroke along a longitudinal path; and

staple drivers configured to concurrently deploy three staples.

8. The stapling system of claim 7, further comprising means for deforming said staples to a first deformed height, a second deformed height, and a third deformed height.

9. The stapling system of claim 7, wherein said replaceable staple cartridge further comprises a sled configured to be moved distally by said firing member to lift said staple drivers.