Single-use, self-annulling injection syringe

Details Single-use, self-annulling injection syringe Single-use, self-annulling injection syringe

A - Human Necessities

61

M

128/84

A61M 5/50 (2006.01)

Patent

CA 1312246

ABSTRACT A single-use, self-annulling syringe is disclosed that is rendered inoperative after a single use without requiring any deliberate action on the part of a user. The injection device uses a hydrophilic expansion plug positioned in the outlet flow channel of the syringe, which expands a short time after being exposed to a drug containing water, thereby rendering the syringe inoperative.

556334

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