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Coupling apparatus for medical instrument

  • US 5,407,293 A
  • Filed: 04/29/1993
  • Issued: 04/18/1995
  • Est. Priority Date: 04/29/1993
  • Status: Expired due to Term
First Claim
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1. A coupling apparatus, comprising:

  • an insertion member having a protruding portion;

    a receiving member having an inner surface sized to receive the protruding portion of the insertion member wherein the insertion member and the receiving member are substantially tubular in shape and define a continuous inner passage through the coupling apparatus and wherein the receiving member has at least one longitudinal track formed on the inner surface;

    engaging means disposed on the insertion member and the receiving member for coupling the insertion member with the receiving member, the engaging means being rotatable between an engaged position wherein the insertion member and the receiving member are engaged against longitudinal separation, and a disengaged position wherein the receiving member and the insertion member can be longitudinally separated; and

    locking means for locking the engaging means in the engaged position, wherein the locking means comprises at least one longitudinally extending arm member slidably mounted in the at least one longitudinal track and slidable between an extended position wherein the at least one arm member locks the engaging means in the engaged position, and a withdrawn position wherein the engaging means is free to rotate between the engaged position and the disengaged position.

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