Bidirectional check valve catheter
US5290263A · kind A · utility
183Cited by
23References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1992 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Jul 27, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0076
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A vascular access system (20) utilizing a catheter (22) having at least one lumen with a bidirectional check valve assembly (24).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.