NOVEL ACTIVE EMERGENCY SUPPLY VALVE

摘要

The present invention provides an emergency supply valve to support the in situ administration of a drug to a subject in need thereof, comprising an infusion needle connected to a movable piston, wherein said piston is forwarded by infusion solution unable to pass the regular drug line due to kinking or obstruction thereof, a self-sealing membrane that is disrupted by the infusion needle when the piston is in a forward position, a connecting unit that connects the needle to the regular drug conduit when the needle is in a forward position, and a pressure sensitive mechanism that retracts the piston from the forward position when an increased pressure of the drug supply is normalized and its use for the treatment of subjects in need thereof.

主权项

1. An emergency supply valve to support the in situ administration of a drug solution from a regular drug conduit to a subject in need thereof, comprising:
a. an infusion needle connected to a movable piston, b. a pressure sensitive system that pushes the piston into a forward position at an increased overpressure of the drug solution that is unable to pass the regular drug supply line, c. a self-sealing membrane placed in front of the needle tip, and d. a connecting unit attached to the needle, wherein the connecting unit is sealed off the regular drug conduit when the needle is in the retracted state and is connected to the regular drug conduit when the needle is in the forward state penetrating the membrane.