Thermal management algorithm for phacoemulsification system
US8070711B2 · kind B2 · utility
300Cited by
97References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2009 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Dec 18, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0612
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A control system for managing power supplied to a phacoemulsification hand piece includes a power source that provides power to the hand piece and a controller that controls the power source. The controller calculates a thermal value based on irrigation fluid flow and a power level and decreases the power level in proportion to the calculated thermal value when the calculated thermal value exceeds a threshold thermal value. Irrigation fluid flow can be calculated from irrigation fluid pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.