Torsional ultrasound handpiece
US6402769B1 · kind B1 · utility
65Cited by
14References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 2000 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Jan 21, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/00763
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A handpiece having at least one set of piezoelectric elements. The piezoelectric elements are constructed of segments that produce both longitudinal and torsional motion. An appropriate ultrasound driver drives the set of elements at the respective resonant frequencies to product longitudinal vibration and torsional oscillation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.