Surgical instrument
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United States of America Patent
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Dec 22, 1998
Grant Date -
N/A
app pub date -
Jun 11, 1997
filing date -
Jun 11, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A surgical instrument (10) includes a handle (12), a rigid stem section (20) extending from the handle, and a flexible stem section (24) extending from the rigid stem section. A surgical tool (30) connected with a distal end of the flexible stem section (24) includes a movable part (34). The flexible stem section (24) comprises a bendable outer tubular member (50) and a bendable inner tubular member (90) slidable within the outer tubular member. The inner tubular member (90) has a neutral axis of bending (100) spaced apart from the neutral axis of bending (68) of the outer tubular member (50). The flexible stem section (24) is movable between a plurality of orientations relative to an axis (48) in response to relative sliding movement between the inner and outer tubular members (90, 50).
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