Method and device for the correct positioning of a target for ra

Details Method and device for the correct positioning of a target for ra Method and device for the correct positioning of a target for ra

1996-08-16

1998-03-10

Wong, Don

X-ray or gamma ray systems or devices

Specific application

Absorption

378208, A61N 510

Patent

active

057270422

ABSTRACT:
A method and device for correctly positioning a target within the target range of a radiation treatment apparatus by adjusting the target range to coincide with coordinates that have been assigned to the target. The adjustment is determined by selecting a reference point having a known spacial relation to the target range, and selecting a reference surface having a known spacial relation to the target. The spacing between the reference point and the reference surface is then measured and adjusted so that the target range and the target are in the same plane, having identical coordinates along one axis. The other coordinates of the target are then located on the reference surface, so that the target range can be exactly aligned with the target.

REFERENCES:
patent: 4618978 (1986-10-01), Cosman
patent: 5107839 (1992-04-01), Houdek et al.
patent: 5329567 (1994-07-01), Ikebe

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