Low frequency cataract fragmenting device
US6884252B1 · kind B1 · utility
37Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2000 |
| Grant date | Apr 26, 2005 |
| Priority date | — |
| Expiry date | Apr 4, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/007
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A control circuit that provides a driving signal to a transducer coupled to a mechanical cutting element. The transducer is capable of operating in a resonant mode. The driving signal contains a plurality of pulses provided in a time interval that does not cause the transducer to operate in the resonant mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.