Surgery – Truss – Perineal
Patent
1985-02-04
1986-06-10
Grieb, William H.
Surgery
Truss
Perineal
74352, 74462, A61B 100
Patent
active
045936790
ABSTRACT:
An endoscope has a handle portion and a separate shaft portion which can be joined to the handle portion. The shaft portion has a flexible shaft flexing movement of which is controlled by knobs on the handle portion, and this motion is transmitted across the handle/shaft interface by meshing gearwheels. Each tooth of each gearwheel has a crown shaped so as to have a central ridge between sloping sides which facilitate interengagement of the gearwheels when the latter are brought into crown-to-crown engagement in a non-rotating condition.
REFERENCES:
patent: 1481720 (1924-01-01), Ljungstrom
Grieb William H.
Spencer Alan H.
Warner-Lambert Technologies Inc.
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