Apparatus for patient-controlled infusion

Details Apparatus for patient-controlled infusion Apparatus for patient-controlled infusion

1996-03-07

2000-05-02

Buiz, Michael Powell

Surgery

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

Treating material introduced into or removed from body...

604133, 604246, A61M 5178

Patent

active

060567279

ABSTRACT:
A reservoir is connected to a manually operable pump such as an aspirating syringe via a flow control tube which has a fine bore of accurately known size. Actuation of the syringe by the patient discharges a fixed volume of drug via a non-return valve to the patient. The syringe is refilled by a return spring drawing liquid from the reservoir at a rate controlled by the bore of the flow control tube, thus setting a maximum dosage rate.

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