Molded insulating hinge for bipolar instruments
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United States of America Patent
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-
Sep 12, 2006
Grant Date -
Sep 30, 2004
app pub date -
Apr 5, 2002
filing date -
Apr 6, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An electrosurgical instrument includes a pair of first and second elongated shafts each having an end effector attached to a distal end thereof and a handle. The handle is movable from a first position wherein the end effectors are disposed in spaced relation relative to one another to a second position wherein the end effectors are closer relative to one another. Each of the elongated shafts includes a hinge plate which mounts atop a pivot assembly for effecting movement of the end effectors relative to one another. The instrument also includes a hinge assembly made from an overmold composition which encapsulates and secures the hinge plates and the pivot assembly. The overmold composition is made from an electrically insulating material which insulates the end effectors from one another.
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