Medical electronic apparatus and components

Details Medical electronic apparatus and components Medical electronic apparatus and components

1976-10-22

1978-09-12

Cohen, Lee S.

Surgery

Truss

Pad

12830317, 174115, A61B 1736, A61N 302

Patent

active

041129504

ABSTRACT:
The apparatus includes a high frequency, high voltage generator, a therapeutic instrument for applying an electric current to a patient, a compound electrical power and control cable connected between the generator and the instrument, and a switch for selectively connecting at least one signal current conductor in the cable to a therapeutic current conductor in the cable to complete a circuit through an activating device for controlling the action of the generator. The cable includes a multiple strand bare therapeutic current conductor wire and preferably two single strand wires with film coatings of low voltage insulation, all of the wires being enclosed in a protective sheath of high voltage insulation. A high voltage is impressed on all of the wires but the voltage differential is very small so that the bare conductor is adequately insulated from the others by the film coatings, with a resulting savings in weight and cost of wire and insulation and improved flexibility. The cable passes into an instrument holder provided with a switch for selectively connecting the signal current conductors to the therapeutic current conductor for control purposes.

REFERENCES:
patent: 2110735 (1938-03-01), Marton
patent: 2180731 (1939-11-01), Dickinson
patent: 3275739 (1966-09-01), Eager, Jr.
patent: 3502791 (1970-03-01), Dahlstrom
patent: 3586751 (1971-06-01), Schoerner
patent: 3602636 (1971-08-01), Evans
patent: 3720896 (1973-03-01), Beierlein
patent: 3801766 (1974-04-01), Morrison, Jr.
patent: 3807404 (1974-04-01), Weissman et al.
patent: 3816644 (1974-06-01), Giffel et al.
patent: 4034761 (1977-07-01), Prater et al.

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