A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 18/14 (2006.01) A61B 17/00 (2006.01) A61B 17/28 (2006.01) A61B 17/36 (1990.01)
Patent
CA 2074431
A PIVOTING MULTIPLE LOOP BIPOLAR CUTTING DEVICE ABSTRACT OF THE DISCLOSURE An electrosurgical cutting instrument with bipolar electrodes integrally formed into a pivoting ceramic working head. The ceramic head is pivotable about a pivot point by selectively retracting a substantially rigid wire internal to a working element which is slidably and rotatably received within an introducer and connected to a point on the ceramic head offset from a longitudinal axis. Radial incisions are induced into a prostate gland during a transurethral resectioning of the prostate gland (TURP) by applying an RF energy across the bipolar electrodes from an external power source and drawing the electrodes across prostate gland tissue. The pivotal head can be selectively reciprocated to approximately a 90° angle relative to a longitudinal axis of the introducer to effectively cauterize tissue during surgery to perform resectioning of the prostate. Increased maneuverability of the instrument allows a surgeon to more quickly and effectively complete a TURP. The electrodes may be formed in various shapes out of ductile tungsten alloy to withstand high operating temperatures depending upon the nature of the cutting desired. The cutting instrument is suitable for other surgical procedures as well performed using an endoscope.
Parins David J.
Everest Medical Corporation
Kent & Edgar
Parins David J.
LandOfFree
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