Bone marrow aspiration needle
US6478751B1 · kind B1 · utility
168Cited by
4References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2000 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Apr 18, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B10/025
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides an aspiration device that includes an outer cannula 16, a stylet 14, and an aspiration needle 80. The aspiration needle includes hollow cannula 82 and an aperture 93. The outer cannula 16 defines a distal tip 29 that is tapered to provide a distal cutting edge. The stylet 14 is designed to be inserted in the outer cannula 16. The stylet 14 also defines a sharp distal tip 30. The hollow cannula 82 designed to be inserted in the outer cannula 16. A distal end 91 of the hollow cannula 82 is closed and an aperture 93 is defined in a side of the hollow cannula 82.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.