A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/00 (2006.01) A61M 39/06 (2006.01)
Patent
CA 2723807
An apparatus (114) to control blood flow through an intravenous catheter (100) in accordance with the present invention may include a substantially resilient helical outer shell and an inner valve portion formed therein. The inner valve portion may be configured to open upon compressing the substantially resilient helical outer shell. In some embodiments, the inner valve portion may include mating portions that substantially align to provide fluid leakage therebetween. Compressing the substantially resilient helical outer shell by, for example, inserting a Luer device into a catheter adapter containing the substantially resilient outer shell, may cause the mating portions to misalign, thereby creating a fluid path.
Selon l'invention, un appareil (114) conçu pour réguler le débit sanguin à travers un cathéter intraveineux (100) comprend une enveloppe externe hélicoïdale sensiblement souple et une partie de clapet interne. La partie de clapet interne est conçue pour s'ouvrir suite à la compression de ladite enveloppe. Dans certains modes de réalisation, la partie de clapet interne comprend des parties de couplage qui s'alignent sensiblement pour permettre une fuite de liquide. La compression de ladite enveloppe, par exemple, par insertion d'un dispositif de type Luer dans un adaptateur de cathéter comprenant ladite enveloppe peut provoquer un désalignement des parties de couplage, ce qui créée une voie pour le liquide.
Becton Dickinson And Company
Gowling Lafleur Henderson Llp
LandOfFree
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