Passive filling device
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United States of America Patent
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Oct 6, 1987
Issued Date -
N/A
app pub date -
Jun 13, 1986
filing date -
Jun 1, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An implantable medication infusion device (10) includes a pump (34) that provides medication at below atmospheric pressure from a reservoir (32) to a catheter (12) in response to a controller (44). The infusion device (10) includes a septum fitting (14) having a septum (66) and a poppet (84) that is located in a cavity (80) that is in communication with reservoir (32). A fill needle (126) of a passive filling device opens poppet (84) and a vent needle (144) of the filling device is also opened to establish passive flow of medication from a vial (95) into the reservoir (32).
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