Surgery – Truss – Pad
Patent
1982-12-30
1985-03-12
Cohen, Lee S.
Surgery
Truss
Pad
A61B 1739
Patent
active
045038554
ABSTRACT:
The diathermy electrode comprises a flexible insulating guide tube (1) in which a flexible electrode lead (3) adapted to be connected to a diathermy current source is slidably displaceably disposed. Attached to the free end of the electrode lead (3) next to the patient is a resilient electrode snare (5) which is capable of resiliently spreading apart when slidably moved out of the guide tube (1) and which is adapted to be completely retractable into the guide tube (1) by the electrode lead (3). The end of the electrode snare (5) facing away from the electrode lead (3) is provided with a metal head (21) which prevents the snare from burning through. The snare halves (7, 9) enter the metal head (21) from the same side and form a wedge type cutter (25). The forward face (27) of the guide tube (1) is slanted to form an angle of 30.degree. to 60.degree. with the tube axis. The metal head (21) is coated with an insulating layer (23) to prevent unintentional damage to the tissue, particularly perforations of the intestine during the removal of intestinal polyps.
REFERENCES:
patent: 3149633 (1961-06-01), Zingale
patent: 3910279 (1975-10-01), Okada et al.
patent: 4181131 (1980-01-01), Ogiu
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