Radiation beam analyzer and method
US8093549B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 1, 2011 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Feb 1, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/1076
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A radiation beam analyzer for measuring the distribution and intensity of radiation produced by a Cyberknife®. The analyzer employs a relative small tank of water into which a sensor is placed. The distance between the sensor and the radiation source is not varied. There are two methods to maintain the SAD (source to axis distance) constant. A first method maintains the position of detector fixed, utilizing a holder designed to retain the detector, and raises or lowers the small tank of water. A second method moves the detector up or down with a raising and lower mechanism in one direction and synchronically moves the small tank of water in the opposite direction with another raising and lowering mechanism. The second method also keeps the SAD constant. These methods position the detector relative to the radiation source to simulate the location of a malady within a patient's body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.