Patent ID: 7209045
Filing Date: 2007-04-24
Classification: A61J,A61M,B65D

Abstract:
1. A method for indicating whether a blood bag may be transfused to a patient, the blood bag having an electronic chip fixed thereto, the electronic chip having a loop antenna structured and arranged to communicate with an electronic communication device and a simplified electronic communication device having a loop antenna connected to a programmable automation device, the method comprising: transmitting an expiration date, defined as starting from an initial time determined by donation in a parent blood bag, carried out in a blood transfusion unit, by using the electronic communication device which is combined with an agitating balance, the expiration date being stored in the electronic chip of the parent blood bag and then transferred to the electronic chip of a primary blood bag, then transferred to the electronic chips of secondary blood bags; defining a maximum allowed time dT for being kept outside a controlled-atmosphere enclosure; and allowing the blood bag to be requalified when it is returned to the enclosure when both the time dT and the expiration date have not expired, and for the blood bag to be dequalified when one of the time dT and the expiration date have expired.