Drive mechanism for drug delivery pumps with integrated status indication
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United States of America Patent
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Jan 27, 2015
Issued Date -
N/A
app pub date -
Aug 30, 2012
filing date -
Sep 2, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A drive mechanism having integrated status indication includes a drive housing, a status switch interconnect, a drive biasing member, a piston, and a drug container having a cap, a pierceable seal, a barrel, and a plunger seal, wherein the drive biasing member is configured to bear upon an interface surface of the piston. Drive mechanism may include an incremental status stem having a stem interconnect, wherein the stem resides within the drive housing and the piston, and wherein the stem has an interconnect which engages one or more contacts on the piston to provide incremental feedback. A drug delivery pump with integrated status indication includes a housing and an assembly platform, upon which an activation mechanism, an insertion mechanism, a fluid pathway connection, a power and control system, and the drive mechanism having a drug container may be mounted.
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