Pressure activated safety valve with improved flow characteristics and durability
US8328768B2 · kind B2 · utility
30Cited by
136References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2005 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Jan 12, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M39/0613
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A valve assembly for vascular access, comprising a body defining a lumen adapted for flowing blood, the body including a luer housing for connection with a first blood conduit and a barb housing for connection with a second blood conduit and a plurality of slitted membranes disposed within the body portion, each of the slitted membranes generating a partial pressure drop for flow therethrough, each of the partial pressure drops being smaller than a total pressure drop for flow through the body portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.