X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1998-11-03
2000-01-04
Church, Craig E.
X-ray or gamma ray systems or devices
Specific application
Absorption
378206, A61N 510
Patent
active
060118288
ABSTRACT:
An apparatus and method for aligning a radiosurgery/stereotactic radiotherapy system. The system includes a linear accelerator, including a gantry and a collimator, a couch, and a stereotactic reference system mounted on the couch. The apparatus includes a laser measuring device mounted on the gantry, the laser measuring device having a laser generator element for generating a laser light beam and a laser displacement sensor. The apparatus also includes a reference fixture, attached to the stereotactic reference system, having at least one reflective surface for reflecting the laser light beam to the laser displacement sensor, upon which the laser displacement sensor measures the distance between the reflective surface and the laser measuring device.
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Brynildson Laura R. D.
Hardy Tyrone L.
Baker Rod D.
Church Craig E.
Medical Instrumentation and Diagnostics Corporation (MIDCO)
Myers Jeffrey D.
Peacock Deborah A.
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