Plungerless syringe

Details Plungerless syringe Plungerless syringe

A - Human Necessities

61

M

A61M 5/36 (2006.01) A61M 5/28 (2006.01) A61M 5/31 (2006.01) B29C 69/00 (2006.01)

Patent

CA 2156814

Plungerless syringe including bellows and cannula portions and a removable tab connected to the cannula tip providing head space for receiving air in the fluid contained in the syringe. Upon removal of the tab, the syringe is filled with substantially bubbleless fluid eliminating risk of an air embolism upon fluid injection as through a needle connected to the syringe. The bellows portions is partially collapsed to expel a portion of the fluid to purge air from fluid delivery devices connected to the syringe such as a needle or catheter and the bellows is further collapsed to flush the remaining fluid from the syringe through the fluid delivery device.

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