STAPLE CARTRIDGE ASSEMBLY INCLUDING STAPLE GUIDES

• US 20170056003A1
• Filed: 08/26/2015
• Published: 03/02/2017
• Est. Priority Date: 08/26/2015
• Status: Active Grant

• Current Assignee: Cilag Gmbh International (Johnson & Johnson)
• Original Assignee: Ethicon Endo-Surgery LLC (Johnson & Johnson)
• Inventors: Shelton, Frederick E. IV, Baxter, Chester O. III, Swayze, Jeffrey S., Harris, Jason L., Labhasetwar, Disha V.
• Granted Patent: US 10,028,744 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 17/00491 Surgical glue applicators surgical adhesives A61L24/00; two-component delivery syringes A61M5/19
• CPC Class Codes: A61B 17/0401 Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors A61B17/0642 takes precedence; fixation devices for tendons or ligaments A61F2/0811
• CPC Class Codes: A61B 17/0469 Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
• CPC Class Codes: A61B 17/064 Surgical staples, i.e. penetrating the tissue
• 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 17/072 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 17/32 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 2017/00004 (bio)absorbable, (bio)resorbable, resorptive for implantable prostheses A61F2210/0004
• CPC Class Codes: A61B 2017/00398 using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2017/00526 Methods of manufacturing
• CPC Class Codes: A61B 2017/00831 Material properties
• CPC Class Codes: A61B 2017/00889 antimicrobial, disinfectant
• CPC Class Codes: A61B 2017/00893 pharmaceutically effective
• CPC Class Codes: A61B 2017/00964 composite
• CPC Class Codes: A61B 2017/0464 : for soft tissue
• CPC Class Codes: A61B 2017/0472 : Multiple-needled, e.g. double-needled, instruments
• CPC Class Codes: A61B 2017/06042 : located close to needle tip
• CPC Class Codes: A61B 2017/0645 : being elastically deformed for insertion
• 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 2017/07264 : 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 2017/1142 : Purse-string sutures
• CPC Class Codes: A61B 2017/2929 : with a head rotatable about the longitudinal axis of the shaft
• CPC Class Codes: A61B 2017/320052 : Guides for cutting instruments by marking A61B2090/395
• CPC Class Codes: A61B 2090/037 : with a frangible part, e.g. by reduced diameter
• CPC Class Codes: A61B 2090/038 : during shipment
• CPC Class Codes: A61B 2090/08021 : of the patient or his organs
• CPC Class Codes: A61L 31/022 : Metals or alloys
• CPC Class Codes: A61L 31/10 : Macromolecular materials
• CPC Class Codes: A61L 31/148 : Materials at least partially resorbable by the body

Abstract

A staple cartridge is disclosed. The staple cartridge comprises a cartridge body including staple cavities and staples removably stored in the staple cavities. The staple cartridge further comprises a firing member configured to eject the staples from the staple cavities. In various instances, each of the staples comprises a base including a drive portion and staple legs extending from the base and, in at least one such instance, each of the staple cavities includes a proximal guide and a distal guide configured to guide the staple legs of the staple positioned therein as it is ejected from the staple cavity by the firing member. In certain instances, the proximal guide and/or the distal guide is offset from the drive portion of the staple.

Claims

1. A staple cartridge assembly for use with a surgical stapler, wherein said staple cartridge assembly comprises:

a cartridge body, comprising;

a proximal cartridge end;

a distal cartridge end;

a deck;

a longitudinal knife slot defined in said deck extending from said proximal cartridge end toward said distal cartridge end; and

a staple cavity, comprising;

a top opening defined in said deck;

a proximal cavity end;

a distal cavity end;

a proximal guide;

a distal guide, wherein said proximal guide and said distal guide extend above said deck; and

a cavity slot extending between said proximal cavity end and said distal cavity end, wherein said proximal guide and said distal guide extend laterally with respect to said cavity slot; and

a staple removably stored in said staple cavity, comprising;

a proximal leg positioned within said proximal guide;

a distal leg positioned within said distal guide; and

a base extending between said proximal leg and said distal leg, wherein said base is positioned in said cavity slot.

2. The staple cartridge assembly of claim 1, wherein said proximal guide and said distal guide extend toward said knife slot.

3. The staple cartridge assembly of claim 1, wherein said proximal guide and said distal guide extend away from said knife slot.

4. The staple cartridge assembly of claim 1, wherein said proximal guide comprises a proximal bracket.

5. The staple cartridge assembly of claim 4, wherein said proximal bracket does not extend around said proximal cavity end.

6. The staple cartridge assembly of claim 4, wherein said cavity slot is defined by a longitudinal axis, and wherein said proximal bracket is not aligned with said longitudinal axis.

7. The staple cartridge assembly of claim 1, wherein said distal guide comprises a distal bracket.

8. The staple cartridge assembly of claim 6, wherein said distal bracket does not extend around said distal cavity end.

9. The staple cartridge assembly of claim 6, wherein said cavity slot is defined by a longitudinal axis, and wherein said distal bracket is not aligned with said longitudinal axis.

10. The staple cartridge assembly of claim 1, wherein said proximal leg and said distal leg define a staple leg plane, wherein said base comprises a drive surface in a drive plane offset from said staple leg plane, wherein said proximal guide and said distal guide are aligned with said staple plane, and wherein said proximal guide and said distal guide are not aligned with said drive plane.

11. The staple cartridge assembly of claim 1, wherein said proximal leg and said distal leg define a staple leg plane, wherein said base comprises a drive surface in a drive plane offset from said staple leg plane, and wherein said proximal guide and said distal guide define a bracket plane aligned with said staple leg plane.

12. The staple cartridge assembly of claim 1, wherein said cartridge body further comprises a plurality of said staple cavities, and wherein said staple cartridge assembly further comprises a plurality of said staples positioned in said staple cavities.

13. The staple cartridge assembly of claim 1, wherein a portion of said proximal guide that extends above said deck comprises a staple cavity extender, and wherein a portion of said distal guide that extends above said deck comprises a staple cavity extender

14. A staple cartridge assembly for use with a surgical stapler, wherein said staple cartridge assembly comprises:

a cartridge body, comprising;

a proximal cartridge end;

a distal cartridge end;

a deck; and

a staple cavity, comprising;

a proximal cavity end;

a distal cavity end;

a proximal guide extending above and below said deck;

a distal guide extending above and below said deck; and

a connecting slot extending between said proximal cavity end and said distal cavity end, wherein said proximal guide and said distal guide extend laterally with respect to said connecting slot; and

a staple removably stored in said staple cavity, comprising;

a proximal leg positioned within said proximal guide;

a distal leg positioned within said distal guide; and

a base extending between said proximal leg and said distal leg, wherein said base is positioned in said cavity slot.

15. The staple cartridge assembly of claim 14, wherein said cartridge body further comprises a plurality of said staple cavities, and wherein said staple cartridge assembly further comprises a plurality of said staples positioned in said staple cavities.

16. The staple cartridge assembly of claim 14, wherein the portion of said proximal guide that extends above said deck comprises a staple cavity extender, and wherein the portion of said distal guide that extends above said deck comprises a staple cavity extender

17. A fastener cartridge assembly for use with a surgical fastening instrument, wherein said fastener cartridge assembly comprises:

a cartridge body, comprising;

a proximal cartridge end;

a distal cartridge end;

a deck; and

a fastener pocket, comprising;

a proximal pocket end;

a distal pocket end;

a proximal guide;

a distal guide;

a proximal pocket extender, wherein said proximal pocket extender extends above said deck; and

a distal pocket extender, wherein said proximal pocket extender extends above said deck;

a pocket opening extending between said proximal pocket end and said distal pocket end, wherein said proximal guide and said distal guide extend laterally with respect to said pocket opening; and

a fastener removably stored in said fastener pocket, comprising;

a proximal leg positioned within said proximal guide;

a distal leg positioned within said distal guide; and

a base extending between said proximal leg and said distal leg, wherein said base is positioned in said pocket opening.

18. The fastener cartridge assembly of claim 17, wherein said cartridge body further comprises a plurality of said fastener pockets, and wherein said fastener cartridge assembly further comprises a plurality of said fasteners positioned in said fastener pockets.