Aspiration needle apparatus incorporating its own vacuum and method and adapter for use therewith
US5653694A · kind A · utility
14Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1995 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | Jul 20, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B10/0283
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An aspiration needle apparatus for collecting cell samples from tissue by the use of a vacuum container having an enclosed evacuated space sealed by a penetrable diaphragm. An adapter has a recess to receive the vacuum container. A needle is carried by the adapter and serves as an aspiration needle to collect a cell sample and penetrates the diaphragm to couple the evacuated space to the flow passage of the needle means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.