Visual inflation pressure indicator and surgical tube...

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/00 (2006.01) A61M 16/04 (2006.01) A61M 29/00 (2006.01)

Patent

CA 2406021

The present invention provides an indicator (10) for visually indicating a pressure level of a fluid in a pressure source. The indicator (10) comprises an inflatable body (33) having a notched section (40) with opposing edge portion (42) that are separated by a gap when the inflatable body is in an uninflated condition. The inflatable body further includes a port (36) for connecting the inflatable body to the pressure source whereby upon inflation of the inflatable body, there is a relative movement of the opposing edge portions in a direction so as to decrease the size of the gap and thereby indicate that a predetermined pressure has been reached in the pressure source. The indicator is particularly for indicating whether a predetermined pressure has been reached in an inflation cuff of an endotracheal tube.

La présente invention se rapporte à un indicateur conçu pour indiquer visuellement le niveau de pression d'un fluide dans une source de pression. Ledit indicateur comporte un corps gonflable présentant une section à encoche dotée de parties latérales opposées qui sont séparées par un intervalle lorsque le corps gonflable est en configuration non gonflée. Ledit corps gonflable comporte par ailleurs un orifice conçu pour son raccordement à la source de pression et lorsque le corps gonflable est gonflé, il se produit un mouvement relatif des parties latérales opposées dans une direction permettant de réduire la taille de l'intervalle et d'indiquer ainsi qu'une pression préétablie a été atteinte dans la source de pression. L'indicateur est particulièrement conçu pour indiquer si une pression préétablie a été atteinte dans un ballonnet pneumatique d'une sonde d'intubation endotrachéale.

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