Mechanism for direction changing of endoscope top end

Details Mechanism for direction changing of endoscope top end Mechanism for direction changing of endoscope top end

1979-05-02

1984-07-24

Thaler, Michael H.

Surgery

Truss

Perineal

A61B 100

Patent

active

044612826

ABSTRACT:
A device for changing a direction of the top end part of an endoscope in which a manual operating section is coupled to a top end part curving section through wires and the top end part curving section is curved vertically and horizontally by pulling the wires. A pair of wires are adapted to drive the top end part curving section vertically and horizontally, respectively, and a pair of drive members pull the wires directly or through intermediate members. Rotating knobs are integrally coupled to the pair of drive members so as to control the top end part curving section vertically and horizontally. A pair of brake drums confront one another, and a frictional member or brake shoe is mounted on a stationary member of the device in such a manner that it is movable with respect to the pair of brake drums. An external operating lever controls the movement of the brake shoe and the brake shoe abuts against the pair of brake drums by operation of the external operating lever so that simultaneous braking occurs.

REFERENCES:
patent: 3557780 (1971-01-01), Sato
patent: 3788303 (1974-01-01), Hall
patent: 3897775 (1975-08-01), Furihata
patent: 4078555 (1978-03-01), Takahashi

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