Biopsy needle
US4403617A · kind A · utility
123Cited by
9References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 1981 |
| Grant date | Sep 13, 1983 |
| Priority date | — |
| Expiry date | Sep 8, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B10/025
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A biopsy needle having a cannula with a sharpened distal end and a stylet received coaxially in the cannula and having a sharpened distal end protruding from the distal end of the cannula. The distal ends of the stylet, the cannula, or both, are provided with particular cutting edge configurations enabling the needle to more readily penetrate bone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.