Suction surgical instrument

Details Suction surgical instrument Suction surgical instrument

1990-09-17

1992-01-28

Hafer, Robert A.

Surgery

Instruments

Electrical application

606 48, 606 49, A61N 102

Patent

active

050840452

ABSTRACT:
A surgical instrument consisting of three concentric tubes, with the outer and inner tubes made of electrical current conducting material which are in turn connected to a bipolar current generator. When the tips of such tubes are placed against tissue a current will flow therebetween and cauterize such tissue. To prevent short circuiting between the two conductive tips the third or middle tube constitutes an insulator. A suction tube equipped with a suction regulator is integral with the instrument and has open communication with the current conductive tips which are designed to be longitudinally separated by an open slot that allows continuous air flow therebetween and into the suction tube during the surgical procedure.

REFERENCES:
patent: 1916722 (1933-07-01), Ende
patent: 1943543 (1934-01-01), McFadden
patent: 2888928 (1959-06-01), Seiger
patent: 4483338 (1984-11-01), Bloom et al.
patent: 4719914 (1988-01-01), Johnson
patent: 4832048 (1989-05-01), Cohen
patent: 4919129 (1990-04-01), Weber, Jr. et al.
patent: 4932952 (1990-06-01), Wojciechowicz, Jr.

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