METHOD AND APPARATUS FOR ARTICULATING THE WRIST OF A LAPAROSCOPIC GRASPING INSTRUMENT
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United States of America Patent
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N/A
Issued Date -
Aug 6, 2009
app pub date -
Feb 6, 2008
filing date -
Feb 6, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A medical instrument has a set of opposing jaws that can be articulated, both left and right, from centerline. The instrument has a proper bend radius and support for the jaw actuation member and cutter driving member. The bendable support for the drive members comprises tightly wound coil springs. Another embodiment of the invention controls the degree of articulation at the handle of the laparoscopic instrument. A further embodiment of the invention incorporates a locking mechanism to prevent motion of the wrist while the user performs other operations on the device. The locking mechanism also includes an indexing feature with which the user can index and choose the necessary amount of angle between preset angles.
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Family
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