Radio-transparent system for stereotactic radiosurgery and fractionated radiation therapy
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United States of America Patent
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Mar 17, 1998
Grant Date -
N/A
app pub date -
Mar 3, 1995
filing date -
Apr 16, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rigid frame that is positioned around the skull to define a multi-dimensional coordinate system. Multiple arms are coupled together with a support ring to increase the overall stiffness of the frame. The arms and the support ring are made from a plastic material that makes the frame appear transparent in CT and MRI images. Receptors provide a mounting base upon which the frame is repeatedly attached and detached from the skull at the same reproducible reference location. Each receptor is mounted to the skull with a screw that inserts through a rear end. A drill assembly and attachment assembly are used to secure the receptors in the skull.
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