Swabbable luer-coned valve

A - Human Necessities – 61 – M

Patent

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Details

A61M 39/26 (2006.01)

Patent

CA 2271972

A normally closed valve that may be opened upon insertion of a nozzle permits two-way flow when opened by a luer-taper nozzle. The valve also is able to resist large back pressure. The valve includes a subtantially rigid housing that defines a passageway having an inlet section and an outlet section. The housing has an exterior inlet face to which the inlet section opens. The inlet section preferably has tapered and expanding zones. The tapered zone is adjacent to the exterior inlet face and is shaped to receive the nozzle. The expanding zone is adjacent to the tapered zone and has a larger inner diameter than the tapered zone's inner diameter. The exterior of the inlet section of the housing may have threads to accept luer-lock threads that may surround the nozzle.

Soupape normalement fermée que l'on peut ouvrir par l'insertion d'une busette; un écoulement dans les deux sens est possible lorsque la soupape est ouverte par une busette à rétrécissement Luer. La soupape est également capable de résister à de fortes contrepressions. La soupape inclut un boîtier sensiblement rigide qui définit un passage possédant une section d'admission et une section de sortie. Le boîtier possède une face d'admission extérieure vers laquelle s'ouvre la section d'admission. La section d'admission possède, de préférence, un rétrécissement et un élargissement. La forme du rétrécissement, qui est adjacent à la face d'admission extérieure, permet d'y introduire la busette. L'élargissement, qui est adjacent au rétrécissement, possède un diamètre intérieur supérieur au diamètre intérieur du rétrécissement. La partie extérieure de la section d'admission du boîtier peut avoir un filetage destiné à accueillir les filets d'un embout Luer-lock qui peuvent entourer la busette.

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