Needleless medical device

Details Needleless medical device Needleless medical device

A - Human Necessities

61

M

A61M 5/307 (2006.01) A61M 5/30 (2006.01) F17C 7/00 (2006.01) F17C 13/06 (2006.01) A61M 5/20 (2006.01)

Patent

CA 2261078

A needleless syringe 1 comprises a hollow casing 2 having an outlet 4 and containing a first compartment 6 in which is located a fluid eg. helium capsule 8 and a second compartment 10 for a therapeutic agent. The compartments 6, 10 are separated by a partition 12 on which is mounted a needle 14 with a sharpened tip 16 which sits in a cavity 26 formed in the base 24 of the capsule 8. Activation of a fluid release mechanism 17 causes the capsule 8 to move towards the needle 14 which pierces the base 24 and releases the fluid from the capsule 8.

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