Resonator for surgical handpiece
US4978333A · kind A · utility
1,443Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1988 |
| Grant date | Dec 18, 1990 |
| Priority date | — |
| Expiry date | Dec 20, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ultrasonic resonant vibrator comprising an ultrasonic vibration magnetostrictive transducer, and a resonant member having a proximal end and a distal end for transmitting ultrasonic vibrations to an operating member which is part of the resonant structure. The vibrator comprises an integral substantially rigid column having a central axis with fins extending radially relative to said axis and having a longitudinal hole defining a tunnel centered along the central axis, wherein at least part of the resonant member is located within the tunnel; and a surgical handpiece incorporating such a vibrator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.