Variable rate infusion apparatus with indicator and adjustable rate control
US6355019B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 1999 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | May 14, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/16877
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for accurately infusing medicinal agents into an ambulatory patient at specific rates over extended periods of time. The apparatus is of a compact, low profile, laminate construction and includes an elastic distendable membrane, chamber having a fluid outlet. Disposed within the fluid chamber is a thin fluid permeable member which precisely controls the rate of fluid flow through the fluid outlet. The apparatus also includes a highly novel medicament dose dialing feature that allows the user to dial in the appropriate dose to be delivered to the patient. Additionally, the apparatus includes a fill assembly comprising a field fill vial that can be readily filled in the field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.