IMPLANTABLE LAYERS FOR A SURGICAL INSTRUMENT
First Claim
1. A staple cartridge, comprising:
- a cartridge body comprising a plurality of staple cavities;
a plurality of staples removably positioned in said staple cavities; and
a porous implantable layer, comprising;
an inner portion;
an outer portion positioned at least partially around said inner portion; and
a plurality of passages formed through said outer portion toward said inner portion.
3 Assignments
0 Petitions
Accused Products
Abstract
A staple cartridge is disclosed. The staple cartridge can include a cartridge body, a plurality of staples, and an implantable layer. The implantable layer can include an inner portion, an outer portion positioned at least partially around the inner portion, and a plurality of passages formed through the outer portion toward the inner portion. The implantable layer can be porous. An implantable layer can include an outer portion including a plurality of fibers. A method of forming an implantable layer for use with a surgical stapler is also disclosed. The method can include forming at least one passage through an outer surface toward an inner portion of the implantable layer.
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Citations
20 Claims
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1. A staple cartridge, comprising:
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a cartridge body comprising a plurality of staple cavities; a plurality of staples removably positioned in said staple cavities; and a porous implantable layer, comprising; an inner portion; an outer portion positioned at least partially around said inner portion; and a plurality of passages formed through said outer portion toward said inner portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of forming an implantable layer for use with a surgical stapler, the method comprising:
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obtaining a piece of lyophilized foam, wherein the piece of lyophilized foam comprises an inner portion and an outer surface; and forming at least one passage through the outer surface toward the inner portion. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A staple cartridge, comprising:
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a cartridge body comprising a plurality of staple cavities; a plurality of staples removably positioned in said staple cavities; and an implantable layer, comprising; an inner portion comprising a piece of foam; and an outer portion comprising a plurality of fibers, wherein said outer portion is positioned at least partially around said inner portion. - View Dependent Claims (18, 19, 20)
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Specification