End curving device for endoscope

Details End curving device for endoscope End curving device for endoscope

1985-06-12

1986-10-21

Grieb, William H.

Surgery

Truss

Perineal

A61B 100

Patent

active

046179143

ABSTRACT:
An end curving device for an endoscope of a type having a pair of wires connected at one end to a curving end portion of the endoscope adapted to be inserted into a body cavity, and an operating lever in an operating section which pushes and pulls the wires upon manual activation by the operator. An internal gear is formed on the shaft of the operating lever and is rotatably supported in the operating section. First and second pinions, which are made integral with one another, are engaged with respective racks to which the wires are coupled. The first pinion is engaged with the internal gear.

REFERENCES:
patent: 4203430 (1980-05-01), Takahashi
patent: 4207873 (1980-06-01), Krvy
patent: 4461282 (1984-07-01), Ouchi et al.
patent: 4483326 (1984-11-01), Yamaka et al.

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