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Handle for surgical instruments

  • US 5,483,952 A
  • Filed: 02/15/1994
  • Issued: 01/16/1996
  • Est. Priority Date: 09/26/1991
  • Status: Expired due to Term
First Claim
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1. An endoscopic or laparoscopic surgical instrument comprising:

  • a handle assembly including a barrel portion, a stationary handle and a pivoting handle extending from said barrel portion, said barrel portion having an interior cavity accommodating at least a portion of said pivoting handle;

    a body assembly extending distally from said handle assembly and defining a longitudinal axis, said body assembly having a pair of coaxial members including an inner rod member having a proximal end connected to said pivoting handle and mounted to be longitudinally slidable with respect to an outer tube member in response to movement of said pivoting handle, said body assembly terminating at an end remote from said handle assembly in a reciprocatingly movable tool mechanism; and

    a ratchet mechanism at least partially positioned within said interior cavity of said barrel portion of said handle assembly, said ratchet mechanism being operatively associated with at least one of said pair of coaxial members of said body assembly to provide incremental movement of said tool mechanism with respect to said longitudinal axis of said body assembly.

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