3892228 is referenced by 399 patents and cites 9 patents.

An apparatus for adjusting the flexing of the bending section of an endoscope extending between the distal end and flexible tube, which comprises a pair of wire members partly wound about a pulley in opposite directions on the opposite sides of said pulley in a state fixed to the pulley at one end and connected to the bending section at the other end such that the one way rotation of the pulley causes one of the wire members to be stretched and the other to be loosened; and a wire sagging-preventing device disposed intermediate each of said wire members so as to eliminate the excessive sagging of the wire members.

Title
Apparatus for adjusting the flexing of the bending section of an endoscope
Application Number
05/403,159
Publication Number
3892228
Application Date
October 3, 1973
Publication Date
July 1, 1975
Inventor
Mitsui Kazuhiko
Agent
Flynn & Frishauf
Assignee
Olympus Optical
IPC
A61B 01/00
A61B 01/05
A61B 01/06
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