Bending device for an endoscope

Details Bending device for an endoscope Bending device for an endoscope

1989-04-13

1990-03-06

Grieb, William H.

Surgery

Truss

Perineal

A61B 100

Patent

active

049056662

ABSTRACT:
A bending device for an endoscope operates the bendable portion on the front end side of the insertable portion of the endoscope to bend by moving back and forth an operating wire which is inserted in a coil sheath housed within the insertable portion to connect the bendable portion and an operation portion for bending on the rear end side of the endoscope. The bending device prevents a relative looseness between the coil sheath and the operating wire by fixing the coil sheath at its end on the bendable portion side so as not to rotate around its axis and controlling rotation of the coil sheath at the other end on the operating portion side around the axis thereof within a limit.

REFERENCES:
patent: 3091235 (1963-05-01), Richards
patent: 3610231 (1971-10-01), Takahashi
patent: 4203430 (1980-05-01), Takahashi
patent: 4294233 (1981-10-01), Takahashi

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