Mating mechanism for a pressurizing unit and corresponding...

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/00 (2006.01) A61M 5/145 (2006.01)

Patent

CA 2739802

In general, this disclosure relates to techniques for providing a mating mechanism between at least one pressurizing unit and at least one corresponding sleeve in a powered medical fluid injection device. An example powered medical fluid injection device includes a sleeve and an injector head coupled to the sleeve. The sleeve has a notch with a predefined shape and size. The sleeve is configured to receive a pressurizing unit (such as a syringe) having an external tab with a predefined shape and size that are substantially identical to the predefined shape and size of the notch in the sleeve, such that the tab mates with the notch when the sleeve receives the pressurizing unit. The injector head is configured to inject a quantity of a medical fluid from the pressurizing unit during operation.

De manière générale, l'invention concerne des techniques permettant d'obtenir un mécanisme d'accouplement entre au moins une unité de pressurisation et au moins un manchon correspondant dans un dispositif électrique d'injection de fluide médical. Le dispositif électrique d'injection de fluide médical illustrant l'invention comprend un manchon et une tête d'injecteur accouplée au manchon. Le manchon est muni d'un encoche dont la forme et la taille sont prédéfinies. Le manchon est conçu pour recevoir une unité de pressurisation (par ex. une seringue) munie d'une languette externe dont la forme et la taille sont prédéfinies et qui sont sensiblement identiques à la forme et la taille prédéfinies de l'encoche dans le manchon, de sorte que la languette rentre dans l'encoche lorsque le manchon reçoit l'unité de pressurisation. La tête d'injecteur de l'invention est conçue pour injecter une certaine quantité de fluide médical depuis l'unité de pressurisation durant le fonctionnement.

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