A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
326/16
A61B 18/14 (2006.01) A61B 17/00 (2006.01) A61M 3/02 (2006.01)
Patent
CA 1165821
Abstract of Disclosure A multipolar electrosurgical device is describ- ed for use in neurosurgery or through the channel of an endoscope or other precision surgery procedures. The device is formed with an insulative probe body, which, in the described embodiment, is sized to pass through a channel of an endoscope to enable the electrocoagula- tion of blood vessels such as may be needed in the treatment of a gastrointestinal ulcer.The probe body is provided with electrically separate conductors which are formed of a plurality of electrodes distributed over the peripheral surface of the probe body. A plurality of at least six electrodes which can form six bipolar electric fields are formed which in one embodiment are aligned longitudinally on the probe body. The elec- trodes extend onto the probe body's distal end to provide an omnidirectionally effective electrosurgical device. A central conductive wash channel is provided for electrical connection to a set of electrodes at the distal end of the probe body while also providing a passage for fluid to enhance the visibility of the target area for subsequent precise electrocoagulation of the device. Several embodiments are shown and described.
377360
Auth David C.
Lawrence Dale M.
Opie Eric A.
American Hospital Supply Corporation
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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