Device for localized heating of biological tissues
US4586512A · kind A · utility
347Cited by
15References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1985 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Mar 27, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/22028
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for therapeutic heating by hyperthermia comprises an emitter which focuses ultrasonic radiation into biological tissues and produces localized heating, especially for the treatment of tumors. The radiation emitter consists of a piezoelectric plate subdivided into annular radiating zones of equal width by a set of concentric circular grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.