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Medical clip applier safety arrangement

  • US 7,431,724 B2
  • Filed: 11/30/2004
  • Issued: 10/07/2008
  • Est. Priority Date: 02/28/2001
  • Status: Expired due to Term
First Claim
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1. A method for dispensing a medical clip onto a mammalian body tissue comprising:

  • arranging a pair of closable jaws to be supported on a stationary lower housing brace of an elongated medical clip dispensing device;

    supporting said jaws between said housing brace and a movable cinch housing;

    moving said cinch housing proximally with respect to said housing brace to permit said jaws to bias open with respect to one another;

    pushing an open clip by an elongated pusher member into position between said jaws for receipt of said clip in an arrangement of shoulder tracks in an inner edge of each of said jaws;

    moving said cinch housing distally with respect to said housing brace so as to pinch closed said jaws by a camming action between an outer edge of each of said jaws and an inner edge arrangement on inner side portions of said cinch housing, so as to crimp said clip onto a body tissue;

    arranging a cam surface on the outer edge of each of the jaws to permit the jaws to be closed by sliding action of said cam surfaces on the jaws relative to a pair of cam edges on the cinch housing, during said moving said cinch housing distally with respect to said housing brace;

    arranging a pin on an intermediate portion of each of said jaws;

    arranging a pair of cam tracks in an inner surface of said cinch housing for slidable engagement with said pins on said jaws andbiasedly locking open the jaws by camming motion and receipt of the pins within a pocket in a distal end of the cam tracks in said inner surface of said cinch housing.

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