Single-element sealing valve for a respiratory support system

Details Single-element sealing valve for a respiratory support system Single-element sealing valve for a respiratory support system

A - Human Necessities

61

M

A61M 16/04 (2006.01)

Patent

CA 2429705

An access port closure valve (20) for use with a respiratory support system is provided. The access port closure valve (20) has a sealing member (49) that has a first and second sealing lip (50, 52). The sealing lips (50, 52) are elongated and are parallel to one another. The sealing lips (50, 52) are at least partially cylindrical in shape and are urged against one another to form a seal that has a taper. An elongated cylindrical frame (60) substantially surrounds the sealing member (49). The sealing lips (50, 52) are disposed transversely across an end of the frame. The frame (60) is configured to engage the respiratory support system. The sealing member (49) seals the frame (60) and accommodates passage of a surgical instrument through the valve (20).

Cette invention concerne une soupape de fermeture d'orifice d'acc­s (20) s'utilisant avec un syst­me respiratoire d'appoint. La soupape de fermeture d'orifice d'acc­s (20) comporte un ~l~ment d'~tanch~it~ (49) pr~sentant une premi­re et une seconde l­vre (50, 52). Ces l­vres d'~tanch~it~ (50, 52) de forme allong~e sont parall­les l'une ~ l'autre. De forme au moins partiellement cylindrique, elles sont plaqu~es l'une contre l'autre pour former un joint avec biseau. Un cadre cylindrique allong~ (60) entoure sensiblement l'~l~ment d'~tanch~it~ (49). Les l­vres d'~tanch~it~ (50, 52) sont dispos~es transversalement sur une extr~mit~ du cadre. Ce cadre (60) est con×u pour s'engager dans le syst­me respiratoire d'appoint, L'~l~ment d'~tanch~it~ (49) vient obturer le cadre (60) et laisse passer un instrument chirurgical ~ travers la soupape (20).

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