Device for introducing a liquid other than blood in a blood vessel
US4200096A · kind A · utility
114Cited by
6References
13Claims
0Family size
Inventor
Key dates
| Filing date | Jun 8, 1977 |
| Grant date | Apr 29, 1980 |
| Priority date | — |
| Expiry date | Jun 8, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3084
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a device for introducing a liquid other than blood in a blood vessel, composed of a hollow needle having a front end and an axially opposite rear end, a hollow female support base which is fixed to the rear end of the needle or which is connected to the rear end thereof by a supple, transparent tube, and of a membrane which is disposed transversely with respect to said support base, which membrane is at the same time permeable to air, impermeable to blood and permeable to the liquid to be injected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.