Needleless access device
US5360413A · kind A · utility
432Cited by
51References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1993 |
| Grant date | Nov 1, 1994 |
| Priority date | — |
| Expiry date | May 19, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7879
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A needleless access device and method of using the device is disclosed. The needleless access device has a housing having an inlet opening and an outlet opening and a channel formed therethrough. Movably friction fitted in the channel adjacent the inlet opening is a piston. The piston is biased upwardly by a stretchable element. The stretchable element allows the top of the piston to be depressed by a syringe to a level adjacent internal flow channels to permit injection and aspiration of fluids through the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.