Valves, valved fluid transfer devices and ambulatory infusion devices including the same
US8936580B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2013 |
| Grant date | Jan 20, 2015 |
| Priority date | — |
| Expiry date | Oct 8, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8206
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An implantable medical device with a reservoir including a movable reservoir member, a fill port in fluid communication with the reservoir, and a valve that includes a housing including an opening in fluid communication with the fill port and the reservoir and a valve seat adjacent to the opening, and a valve element, operably connected to the movable reservoir member, that is movable relative to the valve seat between a closed position and an open. One of the valve seat and the valve element includes a main portion and a seal portion that is less tacky than the main portion and is in contact with the other of the valve seat and the valve element when the valve element is in the closed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.