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Electrosurgical instrument with interchangeable surgical tools

  • US 5,792,139 A
  • Filed: 05/06/1997
  • Issued: 08/11/1998
  • Est. Priority Date: 12/02/1993
  • Status: Expired due to Term
First Claim
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1. A multi-functional surgical instrument comprising:

  • a handle;

    an interchangeable surgical tool removably, rotatably attached to said handle wherein said surgical tool comprises;

    at least one electrode for electrosurgical cutting of tissue;

    a moveable sheath for covering the at least one electrode, said sheath being moveable from a first axial position to a second axial position; and

    a means adapted to contact said sheath for latching said sheath in one of said axial positions;

    means for indexing the interchangeable surgical tool to a plurality of discrete radial positions wherein said means for indexing is connected between said interchangeable surgical tool and said handle; and

    said surgical tool including at least one spring member, said at least one spring member providing a biasing force for said means for indexing and said means for latching.

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