Biopsy apparatus having integrated thumbwheel mechanism for manual rotation of biopsy cannula
US9655599B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2015 |
| Grant date | May 23, 2017 |
| Priority date | — |
| Expiry date | Oct 8, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2010/0208
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A biopsy apparatus includes a driver assembly and biopsy probe mechanism drivably coupled to the driver assembly. The biopsy probe mechanism includes a biopsy cannula having a cylindrical side wall that defines a lumen and has a side port located near a distal end that extends through the side wall to the lumen. A thumbwheel mechanism includes a thumbwheel mounted to the driver assembly to rotate about a first rotational axis, the first rotational axis being substantially perpendicular to the longitudinal axis. A first gear is mounted to the thumbwheel for coaxial rotation with the thumbwheel about the first rotational axis. A second gear is mounted to the biopsy cannula for coaxial rotation with the biopsy cannula about the longitudinal axis, the second gear being located to be drivably engaged by the first gear. The housing is grasped and the thumbwheel rotated with a single hand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.