Articulating laparoscopic surgical access instrument
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United States of America Patent
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-
Mar 3, 2015
Grant Date -
Nov 22, 2012
app pub date -
May 9, 2012
filing date -
May 19, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A surgical instrument includes proximal and distal shaft components, an articulation assembly, and an outer sleeve. The shaft components are pivotably coupled to one another. The distal shaft component is articulatable relative to the proximal shaft component between a substantially aligned configuration and an articulated configuration. The articulation assembly includes a rack and a pinion gear engaged with one another. The rack and the pinion gear cooperate to permit incremental articulation of the distal shaft component relative to the proximal shaft component between the substantially aligned and articulated configurations. The outer sleeve is disposed about the proximal shaft component and is manipulatable relative to the proximal shaft component between a first position and a second position for articulating the distal shaft component between the substantially aligned configuration and the articulated configuration.
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