Resectoscopes

Details Resectoscopes Resectoscopes

1980-08-22

1984-02-14

Mancene, Gene

Surgery

Truss

Pad

128 4, A61B 1736

Patent

active

044309961

ABSTRACT:
This invention relates to resectoscopes of the kind comprising an optical system extending through a shaft and an HF cutting electrode which is axially displaceable by means of a guided bearer on a guide traversing the optical system and is rotatable together with the shaft around the axis of the optical system.
According to the invention, the optical system is a stereo system that provides a viewing angle of 180.degree., and a cylinder is provided with a fastening device to secure the proximal end of the cutting electrode. The cylinder is rotatably and axially displaceably installed within the guided bearer in the guide traversing the optical system. This guide is of polygonal cross-section and is rotatable conjointly with the cutting electrode and the shaft around the axis of the optical system. The guided bearer is complementarily guided on a parallel guide provided with a handle at the distal extremity and connected rigidly at the proximal end via a web to a coupling for connection of the stereo optical system.

REFERENCES:
patent: 2448741 (1948-09-01), Scott et al.
patent: 3315207 (1967-04-01), Speelman
patent: 4061135 (1977-12-01), Widran et al.
patent: 4137920 (1979-02-01), Bonnet

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