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Laparoscopic bipolar electrosurgical instrument

  • US 7,207,990 B2
  • Filed: 06/29/2005
  • Issued: 04/24/2007
  • Est. Priority Date: 11/14/1997
  • Status: Expired due to Fees
First Claim
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1. A first and second jaw member assembly for use with a bipolar endoscopic instrument, comprising:

  • a first jaw member and a second jaw member;

    a yoke which electrically insulates the a first jaw member and the a second jaw member during activation, the yoke including;

    first and second pins which cooperate with an actuator to rotate a respective jaw member from a first position to a second position upon linear reciprocation of the yoke; and

    first and second shoulder portions which are conformed to correspondingly abut a respective jaw member in the second position to offload forces on the first and second pins when said yoke is linearly reciprocated.

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