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Surgical suturing instrument for performing anastomoses between structures of the digestive tract

  • US 4,505,272 A
  • Filed: 02/22/1983
  • Issued: 03/19/1985
  • Est. Priority Date: 02/23/1982
  • Status: Expired due to Fees
First Claim
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1. A surgical suturing instrument for performing anastomoses between structures of the digestive tract comprising a tubular staple case with a supporting rod passing through said tubular case and extending outwardly therefrom with its front end, a plunger with a knife arranged coaxially within the tubular case mounted on said rod movably with respect to its front end, an abutment head mounted on the front end of said rod, said head being made detachable in the general axial direction of said rod and consisting of two members, an internal member detachably mounted on the front end of the rod, and an external member encompassing the internal member and made up of interlockable rests, a means of interlocking the rests and the internal member along the surface of their engagement against the radial displacement of the rests of the external member, said head being provided with a supporting washer for the knife, a staple magazine arranged coaxially within the tubular case, a female die with grooves for bending staples, said female die being mounted on said head, and a drive imparting motion to the plunger with the knife, as well as a means for adjusting the gap between an end of the case and an end of the head.

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