VALVELESS IMPEDANCE PUMP DRUG DELIVERY SYSTEMS
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United States of America Patent
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Issued Date -
Aug 20, 2009
app pub date -
Jan 19, 2009
filing date -
Jan 18, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A drug-delivery unit suitable for implantation into a patient body may include a valveless impedance pump. In some implementations the unit may include an actuator, control electronics and a battery, and may communicate with an external patient interface unit. The patient interface unit can be used to control operation of the implant and to download data from the implant. The patient interface unit can also be used to charge the implant and/or a separate charger can be used. In other implementations, a drug-delivery implant unit may lack internal electronics and instead rely on an externally-supplied magnetic field to actuate the pump.
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