Alignment system and method for intra-operative radiation therap

Details Alignment system and method for intra-operative radiation therap Alignment system and method for intra-operative radiation therap

1996-08-16

1998-04-28

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 68, 378206, G21K 516

Patent

active

057455457

ABSTRACT:
A system and method for applying radiation therapy include utilizing a radiation applicator that is spaced apart from and mechanically independent of a radiation source. An array of targets is affixed to the radiation applicator and cameras image the targets to determine coordinates that are compared to desired target coordinates. If there is a correlation between actual target coordinates and desired coordinates, radiation source-to-applicator alignment is achieved. Consequently, the patient is properly positioned relative to a radiation beam, such as an electron beam. On the other hand, if the actual and desired coordinates are different, the relative position of the radiation source and the gantry is adjusted. Preferably, the adjustment is automated.

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patent: 5315630 (1994-05-01), Sturm et al.
patent: 5446548 (1995-08-01), Gerig et al.
patent: 5553112 (1996-09-01), Hardy et al.

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