Ultrasonic handpiece with multiple piezoelectric elements and heat dissipator
US5843109A · kind A · utility
532Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1996 |
| Grant date | Dec 1, 1998 |
| Priority date | — |
| Expiry date | May 29, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/00035
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Handpiece apparatus is provided for disruption and removal of tissue, tumors, bone, cartilage, calculi or the like which includes an arrangement of piezoelectric crystals and a heat sink in order to control crystal temperature despite interruption of cooling irrigation flow through the handpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.