Mechanical volume control for injection devices
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United States of America Patent
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Dec 14, 2010
Grant Date -
May 14, 2009
app pub date -
Nov 9, 2007
filing date -
Nov 9, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A needleless fluid delivery system allowing for selective control of amounts of therapeutic fluids that are administered to treatment sites within a patient. The fluid delivery system includes an injector source and an access device. The fluid delivery system generally includes an adjustable volume control system for selectively metering the amount of therapeutic fluid to be delivered to the treatment location. The adjustable volume control system generally includes a mechanical stop system with a plunger member and a stop member, wherein the plunger member and stop member physically interact to restrict a plunger insertion length which simultaneously controls an amount of therapeutic fluid expelled by said plunger.
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