Surgical instrument steering inputs
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United States of America Patent
Stats
-
Jan 2, 2024
Grant Date -
N/A
app pub date -
May 17, 2021
filing date -
Oct 14, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A surgical instrument includes: an adjustable end effector; an elongated instrument shaft defining an internal bore; and a drive assembly including a housing coupled to an end of the instrument shaft and an input device configured to facilitate controlled adjustment of the end effector via a drive cable extending along the bore of the instrument shaft. The input device includes: a drive shaft attached to a first portion of the drive cable, the drive shaft including an upstanding stem portion having a radially tapered outer surface; and a capstan attached to a second portion of the drive cable, the capstan defining an internal bore sized to receive the stem portion of the drive shaft, at least a lower portion of the internal bore having a radially tapered inner surface. The capstan and drive shaft are configured to transition from a disengaged state to an engaged state.
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