Electrosurgical tonsilar and adenoid electrode

• US 6,530,924 B1
• Filed: 11/03/2000
• Issued: 03/11/2003
• Est. Priority Date: 11/03/2000
• Status: Expired due to Fees

• Current Assignee: Ellman International, Inc. (Hologic Incorporated)
• Original Assignee: ALAN G. ELLMAN, Jon C. Garito
• Inventors: Garito, Jon C., Ellman, Alan G.
• Primary Examiner(s): Dvorak, Linda C. M.
• Assistant Examiner(s): Schopfer, Kenneth
• Application Number:
  US09/705,195
• Time in Patent Office: 858 Days
• Field of Search: 606/41, 606/45, 606/46, 606/47, 606/48, 606/49, 606/50
• US Class Current: 606/45
• CPC Class Codes: A61B 18/1485 having a short rigid shaft for accessing the inner body through natural openings
• CPC Class Codes: A61B 18/149 bow shaped or with rotatable body at cantilever end, e.g. for resectoscopes, or coagulating rollers
• CPC Class Codes: A61B 2218/008 for smoke evacuation

Abstract

A electrosurgical electrode specifically adapted for use in a surgical procedure for removing lymphoid tissue, specifically a tonsillectomy or adenoidectomy procedure. The electrosurgical electrode incorporates a suction or irrigation conduit in the form of a hollow tube for conveying the suction or fluid to the active electrode end. The electrosurgical electrode is preferably provided with a generally spoon-shaped body with a curved end comprising a wire or serrated active edge from which electrosurgical currents can emanate for dissection and hemostasis of tissue.

Claims

1. An electrosurgical electrode comprising:

a) an elongated body having first means at a first end for removably attaching to the nosepiece of an electrosurgical handpiece,

b) said elongated body having second means at a second end providing an active electrosurgical end capable of supplying electrosurgical currents when the first means is connected to electrosurgical apparatus,

c) said second means comprising a generally spoon-shaped body having along a front edge of its periphery, projecting forwardly of the spoon-shaped body in a direction away from the first end, an exposed electrically-conductive surface for contacting tissue and for delivering to the tissue electrosurgical currents when the first means is connected to electrosurgical apparatus,

d) only the front edge being electrically-conductive and capable of delivering electrosurgical currents,

e) wherein the electrode is a unipolar electrode and the spoon-shaped body has an upper side and a lower side and is solid and its lower side is coated with an electrically-insulating layer, the exposed surface along the front edge being free of the coating,

f) the spoon-shaped body curving upward at an angle of about 5°

-20°

,

g) the upper side of the spoon-shaped body having a first radius of curvature, the lower side of the spoon-shaped body having a second radius of curvature, and the first radius being slightly larger than the second radius such that the spoon-shaped body tapers to a sharp edge at its front edge.

2. An electrosurgical electrode as set forth in claim 1, wherein the first radius is about 0.2-0.3 inches, the second radius is about 0.15-0.25 inches, and the angle is 15°

.

3. An electrosurgical electrode as set forth in claim 1, wherein the first means comprises a conduit for suction or irrigating fluid, the conduit having an opening over the upper side of the spoon-shaped body such that suction or fluid is directed toward the tissue when the electrically-conductive surface contacts the tissue.

4. An electrosurgical electrode comprising:

a) an elongated body having first means at a first end for removably attaching to the nosepiece of an electrosurgical handpiece,

b) said elongated body having second means at a second end providing an active electrosurgical end capable of supplying electrosurgical currents when the first means is connected to electrosurgical apparatus,

c) said second means comprising a generally spoon-shaped body having along a front edge of its periphery, projecting forwardly of the spoon-shaped body in a direction away from the first end, an exposed electrically-conductive surface for contacting tissue and for delivering to the tissue electrosurgical currents when the first means is connected to electrosurgical apparatus,

d) only the front edge being electrically-conductive and capable of delivering electrosurgical currents,

e) wherein the electrode is a unipolar electrode and the spoon-shaped body has an upper side and a lower side and is solid and comprises electrically-insulating material and includes an exposed groove at its front and a buried groove along its sides,

g) the spoon-shaped body curving upward at an angle of about 5°

-20°

,

h) the active electrosurgical end being constituted by an electrically-conductive wire that is exposed and extends in the front groove and that continues into the buried grooves at the sides such that only the exposed wire in the front when activated can deliver to the tissue electrosurgical currents.