Infusion rate adjusting device for drug solution injector
US6554805B2 · kind B2 · utility
115Cited by
7References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2001 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Feb 28, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2039/2493
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An infusion rate adjusting device for drug solution injectors comprises a tubular flow control unit including plural check valves of different opening pressures, and means for selecting one of said check valves to adjust an infusion rate of the drug solution. The infusion rate adjusting device is simple in operation to set out an infusion rate of the drug solution and is considerably reduced in the production cost.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.