Swabbable needle-free injection port valve system with neutral fluid displacement
US6994315B2 · kind B2 · utility
272Cited by
30References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2004 |
| Grant date | Feb 7, 2006 |
| Priority date | — |
| Expiry date | Apr 2, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2039/267
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved needle-free intravenous injection port assembly is disclosed. Embodiments include a boot valve with a helical surface, a boot valve and septum which mate with mechanical interference, a spike with a rough outer surface coated with a lubricant, a septum having a shoulder and a single continuous swabbable surface, a septum and a boot valve which are pre-punctured with a solid core steel needle, a septum with a frustroconical extension and a combination single piece septum and boot valve. The injection port assembly provides neutral fluid displacement during coupling and uncoupling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.