Bipolar surgical instruments having focused electrical fields

  • US 6,030,384 A
  • Filed: 05/01/1998
  • Issued: 02/29/2000
  • Est. Priority Date: 05/01/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A bipolar surgical instrument comprising:

  • a shaft having a proximal end and a distal end;

    a pair of opposed jaws at the distal end of the shaft;

    a first electrode member on one of the jaws;

    a second electrode member on one of the jaws, wherein the first and second electrode members are electrically isolated from each other; and

    an actuating mechanism for moving the jaws between an opened and closed configuration, wherein electrode members lie parallel to and laterally spaced-apart from each other when the jaws are closed, wherein at least one of the electrode members comprises a plurality of tissue penetrating elements which project toward the opposed jaw.

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