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Linear stapling mechanism with cutting means

  • US 5,332,142 A
  • Filed: 06/24/1993
  • Issued: 07/26/1994
  • Est. Priority Date: 10/18/1991
  • Status: Expired due to Term
First Claim
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1. A surgical stapler for endoscopic application comprising a stapling portion, a handle portion, and a shaft portion, the stapling portion connected to the handle portion by means of the shaft portion, and the stapling portion comprising a stapling assembly containing staples and an anvil assembly, such that the anvil assembly is pivotally attached to the stapling assembly, said handle portion containing a firing trigger and a closure trigger, such that said closure trigger is capable of pivoting said anvil assembly into proximity of said stapling assembly, and said firing trigger is capable of firing said staples contained in said stapling assembly toward said anvil assembly, said stapler assembly containing a knife mechanism actuable by said firing trigger, and said shaft portion containing a sealing assembly to obstruct the flow of gas through said stapler, said sealing assembly including an elastomeric sealing membrane and spacing means adjacent to said membrane for cushioning the movement of said membrane when said stapler is fired.

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