Safety valve assembly for implantable benefical agent infusion device
US6488652B1 · kind B1 · utility
196Cited by
18References
56Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2000 |
| Grant date | Dec 3, 2002 |
| Priority date | — |
| Expiry date | Jan 31, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/0294
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An implantable beneficial agent infusion device featuring a unique safety valve assembly is disclosed. In one embodiment of the present invention, a seal in the safety valve assembly is normally closed and only opens upon a deflectable or moveable member to which the seal is attached being electrically, magnetically or electromagnetically activated. The valve assembly is preferably small in size and made of corrosion resistant materials. The valve assembly may be employed in either a passive or an active implantable drug or beneficial agent infusion system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.