×

Endoscopic instruments and methods for improved bubble aspiration at a surgical site

  • US 6,610,059 B1
  • Filed: 02/25/2002
  • Issued: 08/26/2003
  • Est. Priority Date: 02/25/2002
  • Status: Active Grant
First Claim
Patent Images

1. A surgical instrument used in endoscopic surgery, comprising:

  • a hollow member having a central passageway and a main opening through a distal end thereof;

    a rotatable cutting tool disposed at the distal end of the hollow member;

    an electrode adapted for ablating tissue disposed at the distal end of the hollow member; and

    aspiration means, separate from the main opening and disposed in a side of the hollow member adjacent to the electrode, for aspirating gaseous bubbles generated when tissue is ablated by the electrode.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×