TISSUE THICKNESS COMPENSATOR COMPRISING TISSUE INGROWTH FEATURES
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Accused Products
Abstract
In various embodiments, a compensator can be attachable to an anvil of a fastening instrument. The compensator can comprise a support layer configured to be attached to the anvil and a scaffold attached to the support layer. In at least one embodiment, the scaffold can comprise a plurality of scaffold layers comprised of a biocompatible material and a plurality of cavities, wherein the layers and the cavities can define a matrix favorable to tissue and cellular ingrowth.
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Citations
37 Claims
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1-17. -17. (canceled)
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18. A staple cartridge, comprising:
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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 tissue thickness compensator releasably secured relative to the cartridge body, wherein the tissue thickness compensator comprises a plurality of fibers, and wherein the plurality of fibers comprises; a first matrix of fibers oriented in a first direction; and a second matrix of fibers oriented in a second direction, wherein the second direction is different than the first direction, and wherein a network of interstices is defined intermediate and among the first matrix and the second matrix. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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25. A staple cartridge, comprising:
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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 tissue thickness compensator releasably secured relative to the cartridge body, wherein the tissue thickness compensator comprises a plurality of fibers, and wherein the plurality of fibers comprises; a first group of fibers oriented in a first direction; a second group of fibers oriented in a second direction, wherein the second direction is different than the first direction; and a plurality of non-uniform voids defined between adjacent fibers in the tissue thickness compensator. - View Dependent Claims (26, 27, 28, 29)
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30. An end effector, comprising:
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a staple cartridge comprising a plurality of formable staples; an anvil comprising a staple-forming surface; and a tissue thickness compensator secured intermediate the staple cartridge and the anvil, wherein the tissue thickness compensator comprises; a first matrix of fibers oriented in a first direction; and a second matrix of fibers oriented in a second direction, wherein the second direction is different than the first direction, and wherein a network of interstices is defined intermediate and among the first matrix and the second matrix. - View Dependent Claims (31, 32, 33, 34, 35, 36)
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37. A staple cartridge, comprising:
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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 tissue thickness compensator releasably positioned relative to the cartridge body, wherein the tissue thickness compensator comprises; a plurality of fibers; and means for promoting varying degrees of tissue ingrowth intermediate the fibers.
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Specification