Halo ring supporting the Brown-Roberts-Wells stereotactic frame for fractionated radiotherapy

The authors describe a new instrumentation for repositioning of the Brown-Roberts-Wells (BRW) stereotaxic system, useful for precise fractionated radiotherapy. A lucite ring is fixed to the patient's skull with four screws. Another ring, partially open, is then firmly connected co-axially to th...

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Bibliographic Details
Published inActa neurochirurgica Vol. 129; no. 1-2; p. 92
Main Authors Carini, S, Scielzo, G, Grillo Ruggieri, F, Bistolfi, F, Ravegnani, M, Andreussi, L
Format Journal Article
LanguageEnglish
Published Austria 01.03.1994
Subjects
Brain Neoplasms - surgery
Equipment Design
Humans
Intracranial Arteriovenous Malformations - surgery
Radiosurgery - instrumentation
Stereotaxic Techniques - instrumentation
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Summary:The authors describe a new instrumentation for repositioning of the Brown-Roberts-Wells (BRW) stereotaxic system, useful for precise fractionated radiotherapy. A lucite ring is fixed to the patient's skull with four screws. Another ring, partially open, is then firmly connected co-axially to the lower part of the first one with four spacer-bars. The fixture permits an exact repositioning of the B.R.W. stereotaxic system, placing the target point in the linear accelerator isocenter. The preliminary technical results obtained in five children are reported and the fixture performance, advantages, and perspectives are discussed.
ISSN:0001-6268
DOI:10.1007/BF01400880