Biopsy and aspiration needle unit
US4314565A · kind A · utility
81Cited by
11References
5Claims
0Family size
Inventor
Key dates
| Filing date | Oct 26, 1979 |
| Grant date | Feb 9, 1982 |
| Priority date | — |
| Expiry date | Oct 26, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bone marrow biopsy and aspiration needle unit is disclosed. The unit includes a holding device, with a longitudinal bore therethrough, comprising a collect chuck and handle grips, a replaceable cannula to be interlockably mounted in the holding means, with the cannula's lumen in alignment with the longitudinal bore, and an elongated stylet releaseably mounted in the aligned bores. When the needle unit is also to be used for aspiration, a second cannula of a diameter less than the first cannula is inserted through the aligned bores in the holding device and the first cannula.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.