Adapter for an anesthetic vaporizer

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/18 (2006.01) F16L 29/04 (2006.01)

Patent

CA 2632610

An adapter (10) is provided with a base (12) mountable on a bottle (18) containing a liquid anesthetic agent. A spout (14) extending upwardly from the base is received by an inlet port (68) of an anesthetic vaporizer (70) having a movable valve assembly (72) and a stationary portion, such as a radial ledge (82). The spout includes a stationary contact member (40) configured to contact and open the vaporizer valve assembly (16) when the spout is inserted into the inlet port. The adapter also includes a movable valve assembly that is contacted and opened by the stationary portion of the inlet port when the spout is inserted into the inlet port. The contact member and adapter valve assembly are arranged such that, when the spout is inserted into the inlet port, the contact member opens the vaporizer valve assembly before the stationary portion of the inlet port opens the adapter valve assembly.

L'invention concerne un adaptateur (10) pourvu d'une embase (12) qui peut être montée sur une bouteille (18) contenant un agent anesthésique liquide. Un bec (14) s'étendant vers le haut à partir de l'embase est reçu par un orifice d'entrée (68) d'un vaporisateur d'anesthésie (70) muni d'un ensemble valve mobile (72) et d'une partie fixe, telle qu'un rebord radial (82). Le bec comprend un élément de contact fixe (40) configuré de façon à venir en contact avec l'ensemble valve (17) du vaporisateur et à l'ouvrir lorsque ce bec est introduit dans l'orifice d'entrée. Ledit adaptateur comprend également un ensemble valve mobile qui est mis en contact avec la partie fixe de l'orifice d'entrée et ouvert par celle-ci lorsque le bec est introduit dans l'orifice d'entrée. L'élément de contact et l'ensemble valve de l'adaptateur sont agencés de telle sorte que, lorsque le bec est introduit dans l'orifice d'entrée, l'élément de contact ouvre l'ensemble valve du vaporisateur avant que la partie fixe de l'orifice d'entrée n'ouvre l'ensemble valve de l'adaptateur.

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