Electrical surgical instrument with optimized power supply and drive
US8292157B2 · kind B2 · utility
1,513Cited by
44References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2011 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Sep 9, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical instrument includes a surgical end effector operable to effect a surgical procedure when powered, an electric motor operationally connected to the end effector, and a power supply electrically connected to and selectively powering the motor to operate the end effector, the power supply having at least one battery cell with a critical current rate and having a switch that when activated to power the motor, operates the at least one battery cell at a super-critical current rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.