Rotating irradiation therapy apparatus

X-ray or gamma ray systems or devices – Specific application – Absorption

Reexamination Certificate

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Details

C378S064000, C250S492300

Reexamination Certificate

active

07961844

ABSTRACT:
A rotating irradiation therapy apparatus used for particle beam therapy includes a rotating gantry equipped with a charged particle beam irradiation device beam transport devices for guiding a charged particle beam to the irradiation device and a roller in contact with a ring member included in the rotating gantry and supporting the gantry. A front ring is disposed in contact with the roller of a rotating body support device at one end in the axial direction of the rotating gantry, and a rear ring is disposed in contact with the roller at the other end in the axial direction of the rotating gantry. At least one intermediate ring is disposed in a position different in the axial direction of the gantry between the front and rear rings and in contact with the roller.

REFERENCES:
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patent: 6897451 (2005-05-01), Kaercher et al.
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patent: 11-216195 (1999-08-01), None
patent: 2000-140134 (2000-05-01), None
patent: 3124553 (2000-10-01), None
patent: 2000-329471 (2000-11-01), None
patent: 2004-148103 (2004-05-01), None

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