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Tissue stapling attachment for use with an electromechanical driver device

  • US 6,533,157 B1
  • Filed: 02/22/2000
  • Issued: 03/18/2003
  • Est. Priority Date: 02/22/2000
  • Status: Expired due to Term
First Claim
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1. An electro-mechanical surgical system, comprising:

  • an elongated shaft;

    an axially rotatable drive shaft disposed within the elongated shaft;

    a surgical device configured to detachably couple to a distal end of the elongated shaft, wherein the device includes;

    a housing having an opening and an opening lip formed in the opening;

    a driver disposed in the housing;

    a staple closing member mounted to the driver and translating within the housing in correspondence with the driver; and

    a staple holding member configured to hold a staple and coupled by a spring to the staple closing member, wherein the driver is configured to advance the staple closing member and the staple holding member toward the opening and advances the staple into tissue to be joined until further advancement of the staple holding member is prevented by contact between the staple holding member and the opening lip, wherein the driver is further configured to advance the staple closing member as the spring is compressed and to cause the staple closing member to close the staple within the tissue; and

    a motor system configured to drive the axially rotatable drive shaft.

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