Pre-filled syringe

Details Pre-filled syringe Pre-filled syringe

A - Human Necessities

61

M

A61M 5/178 (2006.01) A61M 5/34 (2006.01)

Patent

CA 2403615

A pre-filled syringe comprising a glass barrel (1), a sealing member (5) fitted in a medical liquid discharge port (11) of the barrel (1), a tip member (2) mounted around the sealing member (5) on the medical liquid discharge port (11) of the barrel (1), a closing member (4), a cap member (3), and a holding member (6); the sealing member (5) having a through-hole (51) formed in the axial direction; the tip member (2) including a skirt (24) provided with an engagement pawl (25) on the inner wall of a lower end thereof, a top wall (23), a needle mounting portion (21), and a medical liquid deriving portion (22), and being provided with a medical liquid passage (28); the closing member (4) being inserted into the medical liquid passage (28) and the through-hole (51) to close the through-hole (51) and so prevent oxygen contamination and deterioration of the medical liquid.

Seringue pré-remplie comprenant un cylindre en verre (1), un organe de scellement (5) ajusté dans un orifice de libération de liquide médical (11) du cylindre, un élément d'extrémité (2) monté autour de l'organe de scellement (5) sur l'orifice de libération de liquide médical (11) du cylindre (1), un élément d'obturation (4), un capuchon (3) et un élément de prise (6). L'organe de scellement (5) comporte un orifice traversant (51) formé dans la direction axiale. L'élément d'extrémité (2) comprend une jupe (24) munie d'une patte de contact (25) sur la paroi interne de son bout inférieur, une paroi supérieure (23), une partie de montage d'aiguille (21) et une partie source de liquide médical (22). Il est muni d'un canal pour liquide médical (28), l'élément d'obturation (9) étant inséré dans le canal pour liquide médical (28) et le trou traversant (51) de manière à obturer ce dernier et empêcher la contamination par l'oxygène et, partant, la détérioration du liquide médical.

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