A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 39/26 (2006.01) A61M 39/04 (2006.01)
Patent
CA 2483895
A needle-free medical connector (20) includes a housing (22) with a first port (28) and a second port (32). The connector also includes a piston element (38) defining a fluid passageway between the first and second ports. The piston element is movable between flow and non-flow positions. The piston element has an expandable section (56) having a variable inner width and volume that forms a part of the flow path through the connector. As the piston is compressed to the flow position, the expandable section is expanded in width by movement over a flow post (40) thereby maintaining or increasing the volume of the fluid passageway through the connector. The expandable section has a configuration permitting the continuous flow of fluid through its entirety.
L'invention concerne un connecteur médical exempt d'aiguilles (20) comprenant un boîtier (22) présentant un premier orifice (28) et un second orifice (32). Le connecteur comporte également un élément piston (38) délimitant un passage de fluide venant entre les premier et second orifices. L'élément piston peut se déplacer entre des positions d'écoulement et de non écoulement. L'élément piston présente une section extensible (56) ayant une largeur et un volume internes variables faisant partie du trajet d'écoulement à travers le connecteur. Comme le piston est comprimé dans la position d'écoulement, la section extensible est dilatée en largeur suite au mouvement d'une tige d'écoulement (48), ce qui permet de maintenir ou d'augmenter le volume du passage de fluide à travers le connecteur. La section extensible adopte une configuration permettant l'écoulement continu d'un fluide à travers son intégralité.
Leinsing Karl R.
Mosler Theodore J.
Alaris Medical Systems Inc.
Carefusion 303 Inc.
Smart & Biggar
LandOfFree
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