Patent ID: 7618412

Claim:
A fluid delivery loading apparatus comprising a main body having a fluid holding chamber, an inlet, a syringe opening for connecting to the main body an external loading syringe operable for drawing fluid from a fluid container into said chamber through said inlet and for pressurized delivery to a patient of fluid held in the chamber, a gravity-operated first valve in said chamber that opens to let fluid into said chamber through said inlet when said main body is located in a first orientation for receiving fluid in said chamber from the fluid container and that closes to block said inlet when said main body is located in a second orientation for delivery to the patient of fluid held in said chamber, an outlet through which the held fluid in said chamber is deliverable to the patient by operation of the external loading syringe with said main body in said second orientation, and a spring-loaded one-way second valve in said body for preventing fluid backflow through said outlet.