Surgery – Instruments – Electrical application
Patent
1993-01-14
1995-03-28
Pellegrino, Stephen C.
Surgery
Instruments
Electrical application
606 45, 606 46, 606 48, A61B 1736
Patent
active
054012740
ABSTRACT:
A high-frequency treating instrument comprises an insertion tube having electric conductivity, an electrically insulating, tubular member fitted over an outer periphery of the insertion tube with a distal open end of the tubular member projected ahead of a distal end of the insertion tube, a current supply section for supplying a high-frequency current which is fed from a power source to the insertion tube, an electrode section fixedly provided on the distal end of the insertion tube to carry the high-frequency current there, the electrode section being projected out of the distal open end of the tubular member to allow the high-frequency current which is fed from the power source to be received through the insertion tube, and a treating section provided on the distal end of the electrode section projected out of the distal open end of the tubular member and allowing the high-frequency current to be carried therethrough so that an affected living tissue of a human subject can be treated through heat resulting from the high-frequency current.
REFERENCES:
patent: 2828747 (1958-04-01), August
patent: 3532095 (1970-10-01), Miller et al.
patent: 4054143 (1977-10-01), Bauer
patent: 4538610 (1985-09-01), Kubota
patent: 4638802 (1987-01-01), Okada
patent: 5135524 (1992-08-01), Bonnet
patent: 5197963 (1993-03-01), Parins
Olympus Optical Co,. Ltd.
Peffley Michael
Pellegrino Stephen C.
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