Patent · US Expired

Variable rate infusion apparatus with indicator and adjustable rate control

US6645175B2 · kind B2 · utility

40Cited by
2References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 2001
Grant dateNov 11, 2003
Priority date
Expiry dateMay 14, 2021

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. The apparatus also includes a highly novel fluid flow indicator that provides a readily discernible visible indication of fluid flow through the apparatus. Additionally, the apparatus includes a novel adjustable flow rate control means for precisely adjustably controlling the rate of fluid flow from the reservoir of the device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.