Staple cartridge comprising implantable layers

• US 9,918,716 B2
• Filed: 11/13/2014
• Issued: 03/20/2018
• Est. Priority Date: 03/28/2012
• Status: Active Grant

• Current Assignee: Cilag Gmbh International (Johnson & Johnson)
• Original Assignee: Ethicon, LLC (Johnson & Johnson)
• Inventors: Baxter, III, Chester O., Shelton, IV, Frederick E., Swayze, Jeffrey S., Aronhalt, Taylor W., Schmid, Katherine J.
• Primary Examiner(s): CHUKWURAH, NATHANIEL C
• Application Number:
  US14/540,807
• Publication Number:
  US 20150136832A1
• Time in Patent Office: 1,223 Days
• Field of Search: 2271751, 2271761, 2271797, 2271801, 2271811
• CPC Class Codes: A61B 17/00491 Surgical glue applicators surgical adhesives A61L24/00; two-component delivery syringes A61M5/19
• CPC Class Codes: A61B 17/0643 with separate closing member, e.g. for interlocking with staple
• 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 17/0682 for applying U-shaped staples or clamps, e.g. without a forming anvil
• 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 17/1155 Circular staplers comprising a plurality of staples
• CPC Class Codes: A61B 17/2909 Handles
• CPC Class Codes: A61B 2017/00004 (bio)absorbable, (bio)resorbable, resorptive for implantable prostheses A61F2210/0004
• CPC Class Codes: A61B 2017/00314 Separate linked members
• CPC Class Codes: A61B 2017/00327 with actuating members moving in opposite directions
• CPC Class Codes: A61B 2017/00526 Methods of manufacturing
• CPC Class Codes: A61B 2017/0053 Loading magazines or sutures into applying tools
• CPC Class Codes: A61B 2017/00561 creating a vacuum
• CPC Class Codes: A61B 2017/00818 Treatment of the gastro-intestinal system
• CPC Class Codes: A61B 2017/00862 elastic or resilient for sutures A61B2017/0618
• CPC Class Codes: A61B 2017/00884 enhancing wound closure
• CPC Class Codes: A61B 2017/00889 : antimicrobial, disinfectant
• CPC Class Codes: A61B 2017/00893 : pharmaceutically effective
• CPC Class Codes: A61B 2017/00898 : expandable upon contact with fluid
• CPC Class Codes: A61B 2017/00938 : hydrophobic
• CPC Class Codes: A61B 2017/00942 : hydrophilic
• CPC Class Codes: A61B 2017/0641 : having at least three legs as part of one single body
• 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 2017/0725 : with settable gap between anvil and cartridge, e.g. for different staple heights at different shots
• 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 2017/2908 : Multiple segments connected by articulations
• CPC Class Codes: A61B 2017/2919 : details of linkages or pivot points
• 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 2017/2933 : camming or guiding means
• CPC Class Codes: A61B 2017/2936 : Pins in guiding slots
• CPC Class Codes: A61B 2017/2937 : with flexible part
• CPC Class Codes: A61B 2017/320052 : Guides for cutting instruments by marking A61B2090/395
• CPC Class Codes: A61B 2090/0807 : Indication means

Abstract

A staple cartridge comprising a cartridge body is disclosed. A plurality of staple cavities are defined in the cartridge body. The cartridge body compriese a deck. The staple cartridge further comprises a plurality of staples removably positioned in the staple cavities, an implantable first layer of material supported by the deck, an implantable deflectable support extending from the implantable first layer of material, and an implantable second layer of material supported by the implantable deflectable support.

Claims

1. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body;

a plurality of staples removably positioned in the staple cavities; and

an implantable compressible portion releasably secured adjacent to the cartridge body, wherein the implantable compressible portion comprises;

an implantable first layer;

an implantable second layer, wherein a space is defined between at least a portion of the implantable first layer and at least a portion of the implantable second layer; and

an implantable deformable support intermediate the implantable first layer and the implantable second layer.

3. The staple cartridge of claim 1, wherein the deformable support comprises a curvature.

2. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body;

a plurality of staples removably positioned in the staple cavities; and

a compressible portion releasably secured adjacent to the cartridge body, wherein the compressible portion comprises;

a first layer;

a second layer, wherein a space is defined between at least a portion of the first layer and at least a portion of the second layer; and

a deformable support intermediate the first layer and the second layer,

wherein the deformable support comprises a discontinuity configured to localize stress in the compressible portion.

4. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body;

a plurality of staples removably positioned in the staple cavities; and

a compressible portion releasably secured adjacent to the cartridge body, wherein the compressible portion comprises;

a first layer;

a second layer, wherein a space is defined between at least a portion of the first layer and at least a portion of the second layer; and

a deformable support intermediate the first layer and the second layer,

wherein the first layer comprises an upper flange extending from the deformable support, and wherein the second layer comprises a lower flange extending from the deformable support.

5. The staple cartridge of claim 4, wherein the upper flange is substantially parallel to the lower flange.

6. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body;

a plurality of staples removably positioned in the staple cavities; and

a compressible portion releasably secured adjacent to the cartridge body, wherein the compressible portion comprises;

a first layer;

a second layer, wherein a space is defined between at least a portion of the first layer and at least a portion of the second layer; and

a deformable support intermediate the first layer and the second layer,

wherein the deformable support comprises;

a first portion; and

a second portion extending from the first portion, wherein the second portion is angularly-oriented relative to the first portion.

7. The staple cartridge of claim 6, wherein the deformable support further comprises a designated stress concentration region intermediate the first portion and the second portion.

8. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body;

a plurality of staples removably positioned in the staple cavities; and

a compressible portion releasably secured adjacent to the cartridge body, wherein the compressible portion comprises;

a first layer;

a second layer, wherein a space is defined between at least a portion of the first layer and at least a portion of the second layer; and

a deformable support intermediate the first layer and the second layer,

wherein the deformable support is symmetric relative to an axis positioned intermediate the first layer and the second layer.

9. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body;

a plurality of staples removably positioned in the staple cavities; and

a compressible portion releasably secured adjacent to the cartridge body, wherein the compressible portion comprises;

a first layer;

a second layer, wherein a space is defined between at least a portion of the first layer and at least a portion of the second layer; and

a deformable support intermediate the first layer and the second layer,

wherein the deformable support comprises a plurality of webs extending between the first layer and the second layer.

10. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body;

a plurality of staples removably positioned in the staple cavities; and

a compressible portion releasably secured adjacent to the cartridge body, wherein the compressible portion comprises;

a first layer;

a second layer, wherein a space is defined between at least a portion of the first layer and at least a portion of the second layer; and

a deformable support intermediate the first layer and the second layer,

wherein the deformable support is asymmetric relative to an axis that traverses the first layer and the second layer.

11. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body, and wherein the cartridge body comprises a deck;

a plurality of staples removably positioned in the staple cavities;

an implantable first layer of material supported by the deck;

an implantable deflectable support extending from the implantable first layer of material; and

an implantable second layer of material supported by the implantable deflectable support.

12. The staple cartridge of claim 11, wherein a gap is defined between the implantable first layer and the implantable second layer, and wherein the implantable deflectable support traverses the gap.

13. The staple cartridge of claim 11, wherein the implantable first layer of material and the implantable second layer of material are substantially parallel.

14. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body, and wherein the cartridge body comprises a deck;

a plurality of staples removably positioned in the staple cavities;

a first layer of material supported by the deck;

a deflectable support extending from the first layer of material; and

a second layer of material supported by the deflectable support,

wherein the deflectable support comprises a first deflectable support, and wherein the staple cartridge further comprises a second deflectable support extending from the first layer of material and supporting the second layer of material.

15. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body, and wherein the cartridge body comprises a deck;

a plurality of staples removably positioned in the staple cavities;

a first layer of material supported by the deck;

a deflectable support extending from the first layer of material; and

a second layer of material supported by the deflectable support,

wherein the deflectable support comprises;

a first portion;

a second portion; and

a discontinuity between the first portion and the second portion.

16. The staple cartridge of claim 15, wherein the first portion is angularly-oriented relative to the second portion.

17. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body;

a plurality of staples removably positioned in the staple cavities; and

an implantable compressible portion releasably secured adjacent to the cartridge body, wherein the implantable compressible portion comprises;

a first portion;

a second portion spaced apart from the first portion, wherein a gap is defined between the first portion and the second portion; and

deflection means for controlling the gap between the first portion and the second portion,

wherein the first portion, the second portion, and the deflection means are implantable.

18. The staple cartridge of claim 17, wherein the first portion and the second portion are substantially parallel.

19. The staple cartridge of claim 17, wherein the cartridge body comprises a deck, and wherein the first portion is supported by the deck.

20. A staple cartridge, comprising:

a cartridge body, wherein a plurality of staple cavities are defined in the cartridge body;

a plurality of staples removably positioned in the staple cavities; and

an implantable compressible portion releasably secured adjacent to the cartridge body, wherein the implantable compressible portion comprises;

an implantable first layer;

an implantable second layer; and

an implantable support beam intermediate the implantable first layer and the implantable second layer, wherein the implantable support beam comprises means for concentrating stress at a location in the implantable compressible portion.

21. A surgical end effector, comprising:

a staple cartridge;

an anvil; and

an implantable compressible portion intermediate the staple cartridge and the anvil, wherein the implantable compressible portion comprises;

a first portion;

a second portion spaced apart from the first portion; and

a deformable beam extending from the first portion to the second portion,

wherein the first portion, the second portion, and the deformable beam are implantable.

22. The surgical end effector of claim 21, wherein the deformable beam comprises a first deformable beam, and wherein the implantable compressible portion further comprises a second deformable beam extending from the first portion to the second portion.

23. A surgical end effector, comprising:

a staple cartridge;

an anvil; and

a compressible portion intermediate the staple cartridge and the anvil, wherein the compressible portion comprises;

a first portion;

a second portion spaced apart from the first portion; and

a deformable beam extending from the first portion to the second portion,

wherein the deformable beam comprises;

a first length; and

a second length extending from the first length, wherein the second length is angularly-oriented relative to the first length.

24. The surgical end effector of claim 23, wherein the deformable beam comprises a stress concentration region intermediate the first portion and the second portion.