Needleless access device

Details Needleless access device Needleless access device

A - Human Necessities

61

M

A61M 5/00 (2006.01) A61M 39/26 (2006.01)

Patent

CA 2368202

A non-needle access device (10) includes a housing (12) having a fluid pathway and an inner chamber (34). A biased plunger (16) is disposed within the inner chamber (34), movable between a first position, and a second position. A main seal (32) seals the inner chamber (34) from the fluid pathway. A vent (20) between the inner chamber (34), the outside of the housing (12) allows air to pass out of and into the inner chamber (34) when the plunger (16) is moved between the first and the second positions.

L'invention concerne un dispositif d'accès sans aiguille (10) comprenant un boîtier (12) pourvu d'un circuit de fluide et d'une chambre interne (34). Un piston (16) sollicité par un ressort est disposé à l'intérieur de la chambre interne (34) ; il peut se déplacer entre une première position et une seconde position. Une fermeture principale (32) isole la chambre interne (34) du circuit de fluide. Un espace de ventilation (20) reliant la chambre interne (34) à l'extérieur du boîtier (12) permet à l'air de sortir de la chambre interne et d'y entrer (34) lorsque le piston (16) se déplace entre la première et la seconde position.

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