Compressible adjuncts with bonding nodes

• US 10,172,620 B2
• Filed: 09/30/2015
• Issued: 01/08/2019
• Est. Priority Date: 09/30/2015
• Status: Active Grant

• Current Assignee: Cilag Gmbh International (Johnson & Johnson)
• Original Assignee: Ethicon, LLC (Johnson & Johnson)
• Inventors: Harris, Jason L., Shelton, IV, Frederick E., Vendely, Michael J.
• Primary Examiner(s): Smith, Scott A.
• Application Number:
  US14/871,107
• Publication Number:
  US 20170086840A1
• Time in Patent Office: 1,196 Days
• Field of Search: 227 19, 2271751, 2271752, 2271761, 2271801, 606139, 606151, 606219, 424400, 424424, 60428804, 6048901, 604522
• CPC Class Codes: A61B 17/00491 Surgical glue applicators surgical adhesives A61L24/00; two-component delivery syringes A61M5/19
• 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 17/08 Wound clamps or clips, i.e. not or only partly penetrating the tissue suture bridges A61B17/0466; Devices for bringing together the edges of a wound
• CPC Class Codes: A61B 17/105 Wound clamp magazines for packaging sharps A61B50/3001
• 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 2017/00477 Coupling A61B2017/0046 takes precedence
• CPC Class Codes: A61B 2017/00526 Methods of manufacturing
• CPC Class Codes: A61B 2017/00831 Material properties
• CPC Class Codes: A61B 2017/00862 elastic or resilient for sutures A61B2017/0618
• CPC Class Codes: A61B 2017/00893 pharmaceutically effective
• CPC Class Codes: A61B 2017/00955 thermoplastic
• 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 2017/0725 : 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 2017/07271 : 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: A61L 17/105 : Polyesters not covered by A61L17/12
• CPC Class Codes: A61L 17/12 : Homopolymers or copolymers of glycolic acid or lactic acid
• CPC Class Codes: A61L 2420/02 : Methods for coating medical devices
• CPC Class Codes: B05D 1/007 : using an electrostatic field B05D1/02 - B05D1/16 take precedence
• CPC Class Codes: B05D 1/30 : performed by gravity only, i.e. flow coating
• CPC Class Codes: B29C 44/3453 : Feeding the blowing agent to solid plastic material
• CPC Class Codes: B29C 44/358 : Foamed of foamable fibres
• CPC Class Codes: B29C 48/0012 : combined with shaping by internal pressure generated in the material, e.g. foaming
• CPC Class Codes: B29C 48/0022 : combined with cutting
• CPC Class Codes: B29C 48/05 : Filamentary, e.g. strands
• CPC Class Codes: B29C 48/16 : Articles comprising two or more components, e.g. co-extruded layers
• CPC Class Codes: B29L 2031/753 : Medical equipment; Accessories therefor bloodbags, medical bags B29L2031/7148; artificial eyes B29L2011/0008
• CPC Class Codes: B29L 2031/7546 : Surgical equipment
• CPC Class Codes: B32B 2250/03 : 3 layers
• CPC Class Codes: B32B 2250/40 : Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
• CPC Class Codes: B32B 2307/50 : having particular mechanical properties
• CPC Class Codes: B32B 2307/54 : Yield strength; Tensile strength
• CPC Class Codes: B32B 2307/72 : Density
• CPC Class Codes: B32B 2307/732 : Dimensional properties
• CPC Class Codes: B32B 2307/736 : Shrinkable
• CPC Class Codes: B32B 2535/00 : Medical equipment, e.g. bandage, prostheses, catheter medical patches B32B2556/00
• CPC Class Codes: B32B 3/02 : characterised by features of form at particular places, e.g. in edge regions non-uniform thickness B32B3/263
• CPC Class Codes: B32B 3/08 : characterised by added members at particular parts layer formed of separate pieces of material which are juxtaposed side-by-side B32B3/14, B32B3/18
• CPC Class Codes: B32B 3/20 : of hollow pieces, e.g. tubes; of pieces with channels or cavities
• CPC Class Codes: B32B 3/266 : characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
• CPC Class Codes: B32B 5/024 : Woven fabric
• CPC Class Codes: B32B 5/026 : Knitted fabric
• CPC Class Codes: B32B 5/10 : characterised by a fibrous or filamentary layer reinforced with filaments
• CPC Class Codes: B32B 5/12 : characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
• CPC Class Codes: B32B 5/18 : characterised by features of a layer of foamed material
• CPC Class Codes: B32B 5/245 : another layer next to it being a foam layer
• CPC Class Codes: B32B 5/26 : another layer next to it also being fibrous or filamentary relative arrangement of fibres or filaments of different layers B32B5/12
• CPC Class Codes: B32B 7/05 : the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection using interposed adhesives or bonding materials applied in spaced arrangements B32B7/14
• CPC Class Codes: D01D 5/0023 : the material being a polymer melt
• CPC Class Codes: D01D 5/18 : by means of rotating spinnerets
• CPC Class Codes: D04H 1/565 : by melt-blowing
• CPC Class Codes: D10B 2331/041 : derived from hydroxy-carboxylic acids, e.g. lactones
• CPC Class Codes: D10B 2509/00 : Medical; Hygiene

Abstract

A staple cartridge assembly is used with a surgical stapler. The staple cartridge assembly includes a staple cartridge including a cartridge body, a cartridge deck, and a plurality of staples deployable from the cartridge body through the cartridge deck. The staple cartridge assembly includes a compressible adjunct positionable against the cartridge deck. The compressible adjunct includes a plurality of unaltered fibers and a plurality of altered fibers that are melted and resolidified. The unaltered fibers include a first fiber including a first fiber portion and a second fiber including a second fiber portion extending over the first fiber portion. The compressible adjunct further includes a node which comprises the first fiber portion, the second fiber portion, and at least a portion of the plurality of altered fibers, wherein the at least a portion of the plurality of altered fibers affixes the first fiber portion and the second fiber portion.

Claims

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

a staple cartridge, comprising;

a cartridge body;

a cartridge deck; and

a plurality of staples deployable from said cartridge body through said cartridge deck; and

a compressible adjunct positionable against said cartridge deck, wherein said compressible adjunct comprises;

a plurality of unaltered fibers, comprising;

a first fiber including a first fiber portion; and

a second fiber including a second fiber portion extending over said first fiber portion;

a plurality of altered fibers that are melted and resolidified; and

a node, comprising;

said first fiber portion;

said second fiber portion; and

at least a portion of said plurality of altered fibers, wherein said at least a portion of said plurality of altered fibers affixes said first fiber portion and said second fiber portion.

2. The staple cartridge assembly of claim 1, wherein said first fiber and said second fiber are comprised of a first biocompatible material comprising a first melting point.

3. The staple cartridge assembly of claim 2, wherein said plurality of altered fibers comprises a second biocompatible material comprising a second melting point lower than said first melting point.

4. The staple cartridge assembly of claim 3, wherein said first fiber is at least partially covered with said second biocompatible material.

5. The staple cartridge assembly of claim 1, wherein said plurality of unaltered fibers further comprises a third fiber including a third fiber portion extending over said first fiber portion.

6. The staple cartridge assembly of claim 1, wherein said node releasably attaches said compressible adjunct to said cartridge deck.

7. The staple cartridge assembly of claim 1, further comprising a plurality of nodes defining attachment zones.

8. The staple cartridge assembly of claim 7, further comprising unattached zones between said attachment zones.

9. The staple cartridge assembly of claim 8, wherein said attachment zones comprise greater densities than said unattached zones.

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

a staple cartridge, comprising;

a cartridge body;

a cartridge deck; and

a plurality of staples deployable from said cartridge body through said cartridge deck; and

a compressible adjunct positionable against said cartridge deck, wherein said compressible adjunct comprises;

a plurality of unaltered fibers, comprising;

a first fiber including a first fiber portion; and

a second fiber including a second fiber portion extending over said first fiber portion;

a plurality of altered fibers melted and resolidified to define a bonding medium; and

a node, comprising;

said first fiber portion;

said second fiber portion; and

at least a portion of said bonding medium at least partially surrounding said first fiber portion and said second fiber portion.

11. The staple cartridge assembly of claim 10, wherein said first fiber and said second fiber are comprised of a first biocompatible material comprising a first melting point.

12. The staple cartridge assembly of claim 11, wherein said plurality of altered fibers comprises a second biocompatible material comprising a second melting point lower than said first melting point.

13. The staple cartridge assembly of claim 12, wherein said first fiber is at least partially covered with said second biocompatible material.

14. The staple cartridge assembly of claim 10, wherein said plurality of unaltered fibers further comprises a third fiber including a third fiber portion extending over said first fiber portion.

15. The staple cartridge assembly of claim 10, wherein said node releasably attaches said compressible adjunct to said cartridge deck.

16. The staple cartridge assembly of claim 10, further comprising a plurality of nodes defining attachment zones.

17. The staple cartridge assembly of claim 16, further comprising non-attachment zones between said attachment zones.

18. The staple cartridge assembly of claim 17, wherein said attachment zones comprise greater densities than said non-attachment zones.

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

a staple cartridge, comprising;

a cartridge body;

a cartridge deck; and

a plurality of staples deployable from said cartridge body through said cartridge deck; and

a compressible adjunct positionable against said cartridge deck, wherein said compressible adjunct comprises;

a plurality of fibers, comprising;

a first fiber including a first fiber portion; and

a second fiber including a second fiber portion spaced apart from said first fiber portion; and

a bonding fiber melted and resolidified, wherein said bonding fiber comprises a bonding fiber portion extending between said first fiber portion and said second fiber portion, wherein said bonding fiber portion is attached to said first fiber portion, and wherein said bonding fiber portion is attached to said second fiber portion.

20. The staple cartridge assembly of claim 19, wherein said first fiber and said second fiber are comprised of a first biocompatible material comprising a first melting point, and wherein said bonding fiber comprises a second biocompatible material comprising a second melting point lower than said first melting point.