Percutaneous registration apparatus and method for use in computer-assisted surgical navigation
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United States of America Patent
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May 1, 2001
Grant Date -
N/A
app pub date -
Sep 4, 1998
filing date -
Sep 24, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and procedures for percutaneous placement of surgical implants and instruments such as, for example, screws, rods, wires and plates into various body parts using image guided surgery. The invention includes an apparatus for use with a surgical navigation system, an attaching device rigidly connected to a body part, such as the spinous process of a vertebrae, with an identification superstructure rigidly but removably connected to the attaching device. This identification superstructure, for example, is a reference arc and fiducial array which accomplishes the function of identifying the location of the superstructure, and, therefore, the body part to which it is fixed, during imaging by CAT scan or MRI, and later during medical procedures.
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