System for controlling a motor driven surgical cutting instrument
US6358263B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2001 |
| Grant date | Mar 19, 2002 |
| Priority date | — |
| Expiry date | Feb 20, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00039
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system is provided for controlling the stopping position of a surgical cutting tool relative to a tissue entrance location of a cannula housing the cutting tool. A signal processor is responsive to a motor activation signal to provide a motor activation signal to a motor control unit for driving a motor, which activates the cutting tool positioned in a cannula. The signal processor is responsive to a motor stop signal and to a stop position signal to stop the cutting tool relative to the tissue entrance location of the cannula to thereby avoid trapping a portion of the tissue base between the cutting tool and a boundary of the cannula opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.