Method for cutting or abrading with a tool, and related drivers and systems
US9974627B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 8, 2013 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Oct 18, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00075
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for cutting with a tool comprises rotating the tool in a first direction. Then, at a predetermined moment, quit rotating the tool and allow the tool to coast in the first direction. While the tool coasts, a parameter is determined that represents drag experienced by the tool as the tool coasts. If the determined parameter does not exceed a predetermined limit then the tool is rotated in the first direction. If the determined parameter exceeds the predetermined limit, then the tool is rotated in another direction opposite the first direction. The predetermined moment when the tool begins to coast may be any desired moment, such as when the tool rotates through a specific distance or for a specific period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.