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RATCHET-DRIVEN CARTRIDGE FOR SURGICAL INSTRUMENTS

  • US 3,638,847 A
  • Filed: 07/06/1970
  • Issued: 02/01/1972
  • Est. Priority Date: 07/06/1970
  • Status: Expired due to Term
First Claim
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1. A surgical stapling cartridge adapted to house a plurality of staples, to associate with a surgical instrument having only rectilinear thrust capabilities, and being particularly suited for stapling skin and fascia of a surgical patient, the cartridge comprising:

  • an elongated retaining member fixed against movement in its longitudinal direction;

    an elongated driving member having a length less than the length of said retaining member, said driving member being slidably mounted with respect to said retaining member;

    a plurality of staple-retaining teeth resiliently associated with said retaining member;

    a plurality of staple-driving teeth resiliently associated with said driving member;

    the teeth in said retaining member and the teeth in said driving member being related, when relaxed, in such a manner that the peaks of said teeth lie in a single plane;

    means to drive said driving member, thereby advancing each of the staples in said cartridge toward the front thereof; and

    pusher means for expelling and bending a single staple for each forward thrust thereof.

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