Importance

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Abstract

A kit is provided for use in refilling a medication infusion pump of the type adapted for implantation into the body of a patient. The kit comprises a syringe having a plunger mounted for reciprocation within a syringe barrel having a manually operable control valve mounted at a nose end thereof. The syringe further includes a lock for retaining the plunger subsequent to retraction motion with the control valve closed to pull and maintain a vacuum within the syringe barrel. With this construction, the syringe can be connected transcutaneously with a medication reservoir within an implanted infusion pump to aspirate residual medication from the pump. Alternately, the syringe can be used to degas medication within the barrel preparatory to transcutaneous delivery to the pump reservoir. In either case, the syringe is designed for facilitated and safe manipulation to permit rapid pump aspiration and refill at periodic intervals according to patient requirements.

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First Claim