Surgery – Instruments – Stereotaxic device
Patent
1995-12-19
1999-01-05
Dawson, Glenn K.
Surgery
Instruments
Stereotaxic device
600417, 600429, A61B 1900
Patent
active
058555820
ABSTRACT:
A noninvasive alignment apparatus for providing a stereotactic interface between a noninvasive stereotactic adapter mounted on a patient's head and a medical device, such as, an imaging device or a radiotherapy machine. The apparatus permits a method of noninvasive fractionated radiotherapy to be practiced. The alignment apparatus is constructed of separable arcuate segments to facilitate the insertion of the patient's head and stereotactic adapter within the apparatus. The alignment apparatus further has various calibrated shafts for each of its movable elements, so that, after the alignment apparatus is initially positioned and adjusted on an imaging machine, its position with respect to the stereotactic adapter may be replicated later on a radiotherapy machine.
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