Electrosurgical device for both mechanical cutting and coagulation of bleeding

Patent · Tue Mar 24 00:00:00 EST 1987

OSTI ID:6593689

Doss, J D; Mc Cabe, C W

A surgical instrument is described for cutting and coagulating tissue, the surgical instrument comprising in combination: means for pressure cutting, the pressuring cutting means serving as a first electrode and having a leading edge and a cutting surface, the leading edge of the means for pressure cutting forming the forward portion of the cutting surface; second electrode means set apart from and electrically insulated from the pressure cutting means on the side of the pressure cutting means opposite the cutting surface thereof; means for attaching the second electrode means to the pressure cutting means; and means for providing a voltage between the pressure cutting means the second electrode means whereby an electric current can be made to flow between a portion of the side of the pressure cutting means opposite the cutting surface thereof and the second electrode means, and between the leading edge of the pressure cutting means and the second electrode means through tissue which is located therebetween. The current has sufficient amplitude to cause coagulation therein.

• Assignee: Dept. of Energy, Washington, DC
• Patent Number(s): US 4651734
• OSTI ID: 6593689
• Resource Relation: Patent File Date: Filed date 8 Feb 1985
• Country of Publication: United States
• Language: English

Related Subjects

62 RADIOLOGY AND NUCLEAR MEDICINE
59 BASIC BIOLOGICAL SCIENCES
ANIMAL TISSUES
CUTTING
SURGERY
BLOOD COAGULATION
SURGICAL MATERIALS
DESIGN
BLOOD FLOW
CUTTING TOOLS
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTRICAL EQUIPMENT
ELECTRODES
FASTENERS
PRESSURE EFFECTS
BODY
CURRENTS
EQUIPMENT
MACHINING
MATERIALS
MEDICAL SUPPLIES
MEDICINE
TISSUES
TOOLS
550600* - Medicine
551000 - Physiological Systems