Mechanical volume control for injection devices

Details Mechanical volume control for injection devices Mechanical volume control for injection devices

2007-11-09

2010-12-14

Lucchesi, Nicholas D (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S118000

Reexamination Certificate

active

07850649

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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