Biopsy device with variable speed cutter advance
US7025732B2 · kind B2 · utility
1,442Cited by
27References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2004 |
| Grant date | Apr 11, 2006 |
| Priority date | — |
| Expiry date | Feb 24, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00398
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A biopsy device having a translating and rotating cutter is disclosed. The translational speed of the cutter is varied using a variable pitch member. The variable pitch member can include a shaft having a relatively coarse threaded portion for rapid cutter advance and a relatively finer threaded portion for cutter advance during tissue severing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.