X-ray or gamma ray systems or devices – Beam control – Collimator
Reexamination Certificate
2007-08-14
2007-08-14
Glick, Edward J. (Department: 2882)
X-ray or gamma ray systems or devices
Beam control
Collimator
C378S065000, C378S152000
Reexamination Certificate
active
10469481
ABSTRACT:
A radiotherapeutic apparatus employs a collimator (52) set below a radiation source (50) and is adapted to move along an arc (54) substantially centered on the radiation source (50). As it sweeps the arc, the collimator (52) is adjusted so as to define the appropriate shape of radiation beam. A continuous sweep over the patient avoids edge artefacts and localized accumulation of leakage.
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Brown Kevin John
Jaffray David Anthony
Bromberg & Sunstein LLP
Glick Edward J.
Kao Chih-Cheng Glen
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