Patent ID: 11904147
Assignee: FENWAL, INC.
Field: Medical technology (Instruments)
Classification: CPC A  B  G | IPC A  B  G

Claim 15:
16. An actuator for a syringe, the syringe comprising an elongated barrel having a first end, and a cap secured to the first end having a through-bore, the actuator comprising:
a) a source of pressurized air;
b) a support for receiving and locating the syringe having the cap with the through-bore secured to the first end of the syringe; and
c) a supply block configured to receive pressurized air from the source and having an outlet for delivery of pressurized air, the supply block being movable between a first position spaced apart from the cap of the syringe and a second position in contact with the cap with fluid communication being established between the outlet of the supply block and the through-bore in the cap;
further comprising a base, wherein the source of pressurized air, the support for receiving the syringe, and the supply block are mounted to the base; and
further comprising a first permanent magnet secured to the base and a second permanent magnet secured to the supply block such that the first and second magnets are in proximity when the supply block is in the first position with a sufficient force of attraction to maintain the supply block in the first position in the absence of a further external force being applied to the supply block.