Method for producing a range of therapeutic radiation energy levels
US6459762B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2001 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Apr 28, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/1085
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides a method for producing a broad range of therapeutic radiation energy levels with a source of radiation that is operated to produce photons or particles at a first energy that are directed at a treatment site for a predetermined absorbed dose. The linear accelerator is then operated to produce photons or particles at a second energy directed at the treatment site for another predetermined absorbed dose. The appropriate selection of the first and second absorbed doses yields an absorbed dose at the treatment site equivalent to the dose produced by photons having an energy that is intermediate of the first and second energies. Thus, a dual energy linear accelerator may be operated according to the method to yield a continuous range of energies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.