Safety apparatus for transfusions of blood or blood...

A - Human Necessities – 61 – M

Patent

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Details

A61M 39/28 (2006.01) A61J 1/00 (2006.01) A61M 1/02 (2006.01)

Patent

CA 2544583

Safety apparatus for transfusions of blood or blood derivatives contained inside at least one bag (1) having at the bottom at least one tube (2) made of elastically deformable material such as rubber or the like, for discharging the blood or blood derivatives; said blood or blood derivatives belong to a given blood group with an associated Rh factor; said apparatus comprises a constriction device (3) closed by suitable clamping means (14, 15) movable about said tube (2) so as to prevent the blood or blood derivatives which leave the bag (1) from passing through said tube (2); said constriction device (3) is provided with a seat (4) on which suitable elements (6, 7) for coding and identifying said blood group with associated Rh factor are formed, which elements co-operate with a unique key (19) which establishes the identity of the blood group of the patient and, in the event of compatibility, allows opening of said constriction device (3) provided with suitable elements (5, 21, 22) complementing said coding elements (6, 7) and able to release said clamping means (14, 15) so as to open said constriction device (3) and free said tube (2).

L'invention concerne un appareil de sécurité destiné à des transfusions de sang ou de dérivés du sang contenus dans au moins un sachet (1) possédant au niveau de son fond au moins un tube (2) constitué d'un matériau pouvant être élastiquement déformé tel que du caoutchouc ou similaire, afin d'évacuer le sang ou les dérivés du sang. Ce sang ou ces dérivés du sang appartiennent à un groupe sanguin donné avec un facteur Rh associé. Cet appareil comprend un dispositif de constriction (3) fermé par des moyens de serrage adaptés (14, 15) mobiles sur le tube (2) de façon à empêcher le sang ou les dérivés du sang qui quittent le sachet (1) de passer à travers le tube (2). Le dispositif de constriction (3) possède un siège (4) sur lequel sont formés des éléments adaptés (6, 7) destinés à coder et identifier le groupe sanguin avec le facteur Rh associé, ces éléments coopérant avec une clé unique (19) qui établit l'identité du groupe sanguin du patient et, si il y a compatibilité, permet l'ouverture du dispositif de constriction (3) possédant des éléments adaptés (5, 21, 22) en complément des éléments de codage (6, 7) pouvant libérer les moyens de serrage (14, 15) de façon à ouvrir le dispositif de constriction (3) et à libérer le tube (2).

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