Clutch and valving system for tetherless biopsy device
US7854706B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 27, 2007 |
| Grant date | Dec 21, 2010 |
| Priority date | — |
| Expiry date | Dec 27, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00398
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A biopsy device may include a needle, a cutter, and a handpiece. A vacuum pump may be provided in the handpiece for providing a vacuum to the needle and/or to the cutter. A motor may be provided in the handpiece to drive the vacuum pump and/or the cutter. A biopsy device may also include a valving mechanism within the handpiece for selectively communicating a vacuum and/or atmospheric air to the needle. A clutching mechanism may selectively provide communication between a motor and the cutter. Portions of a valving mechanism and a clutching mechanism may be integrally formed. A clutching and valving mechanism may be driven by a first motor; and a cutter and vacuum pump by a second motor. A biopsy device may include batteries for powering motors. A biopsy device may thus provide vacuum and power from within a handpiece, such that the biopsy device is tetherless.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.