System to stabilize an irradiated internal target

Details System to stabilize an irradiated internal target System to stabilize an irradiated internal target

1999-01-06

2000-09-12

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378162, 378163, 378 985, 600439, A61N 510

Patent

active

061188484

ABSTRACT:
A stabilizing system, which is especially useful in radiation therapy, has markers located in a body in a set of positions relative to external coordinates, the set of positions having a calibrated spatial relationship with a target volume in the body, the markers being imaged by an imager at subsequent times to produce subsequent imager output signals which are compared by a data processor which generates a control signal which drives an actuator sub-system to move the body to stabilize the target volume relative to the external coordinates, wherein confounding effects of high energy, high intensity radiations which may also be present in the body are overcome by various distinguishing arrangements.

REFERENCES:
patent: 4945914 (1990-08-01), Allen

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