Variable rate infusion apparatus with indicator and adjustable rate control
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United States of America Patent
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-
Mar 12, 2002
Issued Date -
N/A
app pub date -
May 14, 1999
filing date -
Dec 18, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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