Half cannula full core biopsy needle
US9101350B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2012 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Oct 26, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/320064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is disclosed, among other things, embodiments of a biopsy needle for taking a full core sample through soft tissue. In the illustrated embodiments, an inner tubular member having a semi-cylindrical distal end is within and slidable with respect to an outer tubular member. A semi-cylindrical channel is in the distal end, as well as a planar end surface. The channel has a set of one or more protrusions or texture, and a complementary set of protrusions or texture are placed on the inside of the outer member so that the sets of protrusions or texture face each other when the distal ends of the members are adjacent each other. Methods for using these embodiments are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.