Medical needle assemblies

Details Medical needle assemblies Medical needle assemblies

A - Human Necessities

61

M

A61M 5/32 (2006.01) A61B 17/20 (2006.01) A61M 5/50 (2006.01)

Patent

CA 2387174

A shieldable, single-use unit dose needle assembly for administering a unit dose of a vaccine includes a unit dose needle attached to a base with a sleeve slidably attached thereto. The sleeve includes a guide slot that extends through the tubular sleeve wall. The base includes a tab disposed on an outer surface and extends through and beyond the guide slot. The unit dose needle includes a base end attached to the base and an opposed prong end configured to hold a unit dose of a vaccine. The needle assembly is configured such that movement of the tab through the guide slot enables an extension and a retraction movement of the needle between an extended position with the needle extending from the distal end of the sleeve and a retracted position with the needle contained within the internal sleeve opening.

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