Radiation therapy apparatus having retractable beam stopper

Details Radiation therapy apparatus having retractable beam stopper Radiation therapy apparatus having retractable beam stopper

1979-06-18

1980-11-11

Smith, Alfred E.

Radiant energy

Radiation controlling means

Shields

250522, G21F 504, G21K 102

Patent

active

042335191

ABSTRACT:
A translation mechanism for linearly moving a beam stopper in radiation therapy apparatus includes first and second arms pivotally mounted to a support and third and fourth arms pivotally mounted to the first and second arms. The third and fourth arms are attached to the beam stopper and can comprise part of the beam stopper. In one embodiment, the third and fourth arms include disc shaped portions stacked in axial alignment with a drive motor attached to one disc portion ahd having a drive shaft axially aligned with and coupled to the other portion whereby relative rotation of the disc portions effects linear translation of the beam stopper.

REFERENCES:
patent: 2224077 (1940-12-01), Haupt et al.
patent: 2412662 (1946-12-01), Watson

Affiliated with

Also associated with

Rating

Radiation therapy apparatus having retractable beam stopper does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Radiation therapy apparatus having retractable beam stopper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radiation therapy apparatus having retractable beam stopper will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1693341