Radiosurgery effecting position correction of collimator

Details Radiosurgery effecting position correction of collimator Radiosurgery effecting position correction of collimator

1993-01-05

1994-01-11

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378151, A61N 510

Patent

active

052788865

ABSTRACT:
A stereotactic radiosurgery including a collimator adapted movably to an irradiation head, a driving apparatus for changing a position of the collimator while keeping a position relation in which a center line of a hole of the collimator coincides with a line connecting an apex of a radiation cone and a center portion of the focus, and a control apparatus for detecting a position error between an irradiating direction of the radiation and the center portion of the focus, driving the collimator driving apparatus and moving the collimator to a position at which the detected position error is offset.

REFERENCES:
patent: 5189687 (1993-02-01), Bova et al.

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