Rotating irradiation therapy apparatus
US7961844B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2007 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Jun 11, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/1087
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.