Fluid delivery device
US8505774B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2006 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Apr 6, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/48
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Device adapted to deliver fluids, in particular medicines, under pressure, comprising a receptacle 1 of variable volume in a form or shape of a pouch or flexible container of general cylindrical shape with exclusively longitudinal pleats 2 containing the fluid under pressure to be delivered and equipped with an actuator C permitting to open a valve 15a, 15b, to enable the aforementioned fluid to be delivered, the whole being located inside a receptacle 4 capable of resisting to an elevated internal pressure, the internal volume of this last receptacle comprised between its wall and the receptacle of variable volume being filled with a neutral gas under a pressure sufficient to exert on the receptacle of variable volume a pneumatic constraint sufficient to permit the delivery of the therein contained fluid when the above-said valve permitting the said delivery is operated by the aforementioned actuator C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.