Systems and methods for delivering a therapeutic agent
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United States of America Patent
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Dec 25, 2012
Grant Date -
Nov 10, 2011
app pub date -
May 5, 2011
filing date -
May 5, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In one embodiment, an apparatus comprises a reservoir for containing a fluid, a first actuator, a transfer structure, and a second actuator. The first actuator is configured to exert a first force on the reservoir when moved from a first configuration to a second configuration such that a first volume of fluid within the reservoir is communicated out of the reservoir. The transfer structure is disposed between the first actuator and the reservoir and has a surface configured to engage the reservoir such that the first force exerted by the first actuator is distributed across a surface of the reservoir engaged by the transfer structure. The second actuator is configured to exert a second force on the reservoir when the second actuator is moved from a first configuration to a second configuration such that a second volume of fluid within the reservoir is communicated out of the fluid reservoir.
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