Bending device
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United States of America Patent
Stats
-
Dec 21, 1993
Grant Date -
N/A
app pub date -
Jul 8, 1992
filing date -
Jul 24, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An elongate bending device for use in an endoscope or the like includes a number of segments which are arranged in a row along a longitudinal axis of the bending device and are pivotally connected to one another, and at least one operating wire extending through the segments along the longitudinal axis of the bending device. That portion of the inner peripheral surface of the segment along which the operating wire extends serves as a wire guide surface portion. This wire surface guide portion forms an inwardly convex, continuous curved line. The distance between the wire guide surface portion and the longitudinal axis of the bending device is increasing progressively from a central portion of the wire surface guide portion toward the opposite ends of the wire surface guide portion.
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