Finger actuated medication infusion system
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United States of America Patent
Stats
-
Oct 13, 1987
Issued Date -
N/A
app pub date -
Nov 8, 1985
filing date -
Jun 21, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A Finger Actuated Medication Infusion System (FAMIS) for delivering a dosage of medication into a living body. The FAMIS is fully mechanical and comprises a reservoir, a pump and connecting catheters. The reservoir includes a sealed bellows portion which contains a pressurant and exerts a substantially constant pressure on the medication in the reservoir, regardless of the amount of medication therein. The pump includes a bellows assembly disposed within an equalizing pressure chamber, and will deliver medication through the bellows assembly at a predetermined flow rate independent of ambient temperature, ambient pressure or the amount of medication remaining in the reservoir. The FAMIS design also provides safeguards against inadvertant overdosing, transmission of bacteria into the body and prevents gas bubbles within the reservoir from impeding the flow of medication through an outlet flow restrictor which forms part of the FAMIS pump.
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Family
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