LOW-FRICTION, SMALL PROFILE MEDICAL TOOLS HAVING EASY-TO-ASSEMBLE COMPONENTS

Abstract: a low-friction medical device includes a first link, a second link, and a tension member. the first link is coupled to an instrument shaft and a first guide path is defined. the second link is rotatable relative to the first link through an angular range. a distal end portion of the second link is rotatably coupled to a tool member. a curved guide path is defined within the second link between the tool member and the first guide path. a curved guide surface of the second link defines a portion of the second guide path. a first portion of the tension member is parallel to a centerline of the first guide path, and a second portion is coupled to the tool member. a third portion of the tension member between the first and second portions is in contact with the curved guide surface throughout a portion of the angular range.

Inventor(s): Zhou YE, Harsukhdeep RATIA, Alain SADAKA

CPC Classification: A61B17/00234 (Surgical instruments, devices or methods, e.g. tourniquets ( takes precedence; contraceptive devices, pessaries, or applicators therefor ; eye surgery ; ear surgery ))

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