Airless mixing with a by-pass syringe

Details Airless mixing with a by-pass syringe Airless mixing with a by-pass syringe

A - Human Necessities

61

J

A61J 1/14 (2006.01) A61M 5/31 (2006.01)

Patent

CA 2674894

A transfer and mixing device which utilizes a by-pass cartridge (12) and a syringe (20). After mixing the dry component and the diluent in the by-pass cartridge (12), the mixture can be passed to a syringe (20) which includes a syringe plunger (72) having a fluid passageway (74) therein with a hydrophobic membrane (76) covering the passageway (74). The mixture can be transferred back and forth between the by-pass cartridge (12) and the syringe (20) through a small bore (60) to achieve mixing, particularly in the case of microspheres held in suspension.

Dispositif de transfert et de mélange, qui utilise une cartouche de dérivation (12) et une seringue (20). Après mélange du composant sec et du diluant dans la cartouche de dérivation (12), le mélange peut être transférée dans une seringue (20), qui comprend un piston de seringue (72) avec un passage pour fluide (74) recouvert d'une membrane hydrophobe (76). Le mélange peut être transféré et renvoyé entre la cartouche de dérivation (12) et la seringue (20) par un petit trou (60) de manière à bien se mélanger, en particulier dans le cas de microsphères en suspension.

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