Resectoscope apparatus

Details Resectoscope apparatus Resectoscope apparatus

1989-05-23

1992-05-12

Hafer, Robert A.

Surgery

Instruments

Electrical application

128 4, A61B 1736

Patent

active

051123304

ABSTRACT:
The resectoscope apparatus of this invention comprises an elongate hollow sheath to be inserted into a body cavity, an endoscope having an optical system inserted through said sheath and making the body cavity interior observable, an operating part connected to the sheath and a slider made integral with at least one of an electrode inserted through the sheath and making such treatment as resecting or coagulating tissues within a body cavity by using a high frequency current and a cord for feeding the high frequency current from a high frequency current source to the electrode and a slider which is provided in the operating part and can operate the electrode from outside the body.

REFERENCES:
patent: 2090923 (1937-08-01), Wappler
patent: 3856015 (1974-12-01), Iglesias
patent: 3973568 (1976-08-01), Iglesias
patent: 4134406 (1979-01-01), Iglesias
patent: 4149538 (1979-04-01), Mrava et al.
patent: 4538610 (1985-09-01), Kubota
patent: 4648399 (1987-03-01), Nakada
patent: 4726370 (1988-02-01), Karasawa et al.
patent: 4744361 (1988-05-01), Karasawa

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