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Anvil for surgical stapler

  • US 5,522,534 A
  • Filed: 10/01/1993
  • Issued: 06/04/1996
  • Est. Priority Date: 10/01/1993
  • Status: Expired due to Term
First Claim
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1. An anvil assembly for use with a surgical fastening device comprising:

  • a) a shaft having first and second ends and mounting means for mounting to the surgical fastening device;

    b) an anvil member mounted on said shaft at said second end, said anvil member having a housing and an array of fastener clinching means disposed thereon;

    c) means associated with said housing for venting of gaseous pressure, tissue or debris from within said housing; and

    d) means formed on an outer surface of said housing and communicable with said venting means for channeling the passage of air, tissue or debris between said outer surface of said housing and a surrounding tissue section, said channeling means including at least and elongated surface depression formed on said outer surface.

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