Endoscope angling mechanism

Details Endoscope angling mechanism Endoscope angling mechanism

1990-07-10

1991-06-25

Grieb, William H.

Surgery

Truss

Perineal

A61B 100

Patent

active

050258044

ABSTRACT:
An endoscope angling mechanism which is provided with: an angle operating means including a pair of first and second operating wires to be pulled to and fro for arcuately bending an angle portion of joint ring structure at the distal end of an insert section extending contiguously from an operating section of an endsoscope, the first operating wire having the fore end thereof securely stopped on an angle ring in the foremost position in the angle portion or to a rigid portion at the distal end of the angle portion and the second operating wire having the fore end thereof securely stopped on an angle ring in a position posterior to and spaced from the foremost angle ring by a predetermined number of angle rings; and a restraining means for restraining forward movement of the second operating wire in angling operation until operated with a predetermined increased force.

REFERENCES:
patent: 4483326 (1984-11-01), Yamaka et al.
patent: 4718407 (1988-01-01), Chikama
patent: 4841951 (1989-06-01), Umeda

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