Sampling in blood collection

Details Sampling in blood collection Sampling in blood collection

A - Human Necessities

61

B

A61B 5/15 (2006.01) A61B 5/155 (2006.01) A61M 1/02 (2006.01) A61M 39/22 (2006.01) A61M 39/28 (2006.01)

Patent

CA 2346043

Methods and apparatus are disclosed whereby the initial flow of blood during blood collection is diverted to a sample pouch to trap the skin plug and to allow samples to be taken during subsequent blood collection to a normal blood bag. This is effected by connecting the needle line (106), the sample line (118) to the sample pouch (116) and the bag line (114) to the blood bag to a multi-port valve (110) that includes an actuator (120). During the procedure, the valve (110) may be attached to the arm (100) of the donor by means of a wrist-strap (112).

L'invention concerne des méthodes et un appareil permettant, lors d'un prélèvement sanguin, de dévier l'écoulement initial de sang vers une poche d'échantillonnage de manière à piéger le bouchon de peau puis à permettre, toujours pendant le prélèvement sanguin, l'acheminement des échantillons pris ultérieurement vers une poche de sang normale. A cet effet, on relie la tubulure (106) de l'aiguille, la tubulure (118) d'échantillonnage conduisant à la poche (116) d'échantillonnage et la tubulure (114) de la poche conduisant à la poche de sang à une valve (110) multivoies pourvue d'un actionneur (120). Au cours de cette procédure, la valve (110) peut être fixée au bras (100) du donneur au moyen d'une bande (112) entourant le poignet.

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