Needle assembly with a movable stylet controlled by a spacer mechanism
US5279570A · kind A · utility
69Cited by
10References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 1992 |
| Grant date | Jan 18, 1994 |
| Priority date | — |
| Expiry date | Sep 22, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B10/0233
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A needle assembly which comprises a hollow needle, a stylet, and a spacer mechanism to control the position of the stylet within the needle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.