Patent ID: 8931665
Filing Date: 2015-01-13
Classification: A61M,B01F,B65D

Abstract:
1. A multi-compartment syringe apparatus for in-situ mixing of a plurality of products before use, the apparatus comprising: a tube; a hollowed flexible plunger; a sealed breakable first container disposed in said plunger; a one way filter piston connected to said plunger, said piston confining a first compartment at a side of a needle of said apparatus, and a second compartment at a side of said plunger, wherein said filter allowing passage of content only from said second compartment to said first compartment, while avoiding passage of pieces of said breakable first container from said second compartment to said first compartment; a first product stored in said first compartment; a second product stored in said first sealed breakable container, thereby upon blocking said needle, breaking said first sealed breakable container and pulling said plunger out of said tube, said second product enters through said filter piston into said first compartment and mixes with said first product, and upon unblocking said needle and pressing said plunger into said tube, said filter piston pushing the mixed products out of said apparatus, through said needle ( 540 ).