Blood evacuating system and method of use thereof

A - Human Necessities – 61 – M

Patent

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Details

A61M 37/00 (2006.01) A61M 1/00 (2006.01)

Patent

CA 2280719

The invention relates to an apparatus and method for a blood evacuation system (14) comprising an inner flexible blood evacuation bag (38) inside an outer rigid container (16) for reinfusing sheld blood drawn from the collection chamber of a chest drainage unit (12). The outer rigid container (16) includes a suction port connected to a source of vacuum for applying a negative pressure within the interstitial space (46) between the interior surface of the rigid container (16), and the outside of the inner flexible blood evacuation bag (38). The negative pressure inside the interstitial space (46) draws blood from the collection chamber of the chest drainage unit (12) into the blood evacuation bag (38). Once the blood evacuation bag (38) is filled to a desired level, the inner flexible bag (38) is removed from the outer rigid container (16), and suspended using a suspension means (19) within the vicinity of a patient (10) for reinfusion. During reinfusion another blood evacuation bag (38) can replace the blood evacuation bag (38) being used for reinfusion.

L'invention porte sur un appareil et un procédé relatifs à un système de prélèvement du sang (14) comprenant un sac intérieur souple de prélèvement (38) placé dans un récipient extérieur rigide (16) servant à réinfuser le sang excrété provenant de la chambre de recueil d'une unité de drainage thoracique (12). Le récipient extérieur rigide (16) comporte un orifice d'aspiration relié à une source de vide de manière à mettre en dépression l'espace interstitiel (46) compris entre la surface intérieure du récipient rigide (16) et l'extérieur du sac intérieur souple de prélèvement (38). La dépression régnant dans l'espace interstitiel (46) fait passer le sang de la chambre de recueil de l'unité de drainage thoracique (12) dans le sac intérieur de prélèvement (38). Lorsque ce dernier (38) est rempli jusqu'au niveau voulu, on le (38) retire du récipient extérieur rigide (16) et on le suspend à un support (19) proche du patient (10) en vue de sa réinfusion. Pendant la réinfusion on peut utiliser un autre sac de prélèvement (38) qui remplace celui (38) servant à la réinfusion.

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