Fitting with prestressed septum
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United States of America Patent
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Apr 7, 1987
Grant Date -
N/A
app pub date -
Jun 1, 1984
filing date -
Jun 1, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A medication infusion device (10) wherein a septum fitting (14) includes a housing (50) that cooperates with an annular band (68) and a septum (66) to define a cavity (80). A poppet (84) cooperates with a seating ring (88), annular band (68) and septum (66) to define an antechamber (85), and to form a seal between the septum and a reservior (32). The septum (66) is held in compression between the annular band (68) and a guide (56) to improve resealing of the septum.
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