Devices and Methods for Providing a Bolus Dose in a Microfluidic Circuit of a Pump

Abstract: devices and methods for administering a medication in fluid form, the systems and methods including a basal flow path and a bolus flow path in parallel to the basal flow path. the bolus flow path comprises a first check valve, a second check valve downstream of the first check valve, a piston pump disposed between the first valve and the second valve, and a pilot operated valve in parallel to the piston pump.

Inventor(s): Hermanus Stephanus Pretorius, Robert Farra, Kenneth Barnett, David Piper, Russell Ford, Edward G. Solomon, Peter Holst, Lawrence Smith

CPC Classification: A61M5/16804 (DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals ; means for inserting tampons ; devices for administering food or medicines orally ; containers for collecting, storing or administering blood or medical fluids ); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery ; chemical aspects of surgical articles ); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents )})

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