Should a false agglutination develop in the Control Field the analyst must dilute the blood with isotonic sodium chloride. In most cases the dilution will prevent false agglutination and accuracy of the card will be maintained.
Blood grouping upon EldonCards is based on the principle of direct agglutination. The International Blood Group Reference Laboratory in the UK and three outstanding blood banks in Denmark, Germany and Italy grouped more than 3000 blood samples and in 9000 cases the presence or absence of the antigens A, B, and Rh D was found in accordance with the expectations.
The EldonCard is able to test more than one blood grouping, and the use of EldonBags containing 25 or 30 EldonCards contributes to the competitiveness of our cards.
EldonCards that are kept in EldonEnvelopes or EldonBags at temperatures between 5 and 37 ºC
(41 to 99 ºF) will remain stable up to 24 months. Stability studies were done simulating the pattern
of use documented in those countries with a tropical climate, results indicated that the EldonBag will offer better product protection than the Envelopes with one piece of an EldonCard. Thus EldonCards
in EldonBags can tolerate six weeks transportation at 65 ºC (149 ºF).
After drying the circular fields of an EldonCard it can be protected with an EldonFoil. EldonFoils will protect the biological materials against any physical damage and will encapsulate any infectious material present in patients’ blood. EldonFoils are a little larger than the corresponding EldonCards. Therefore, the EldonFoil can be used to glue the card into the patient’s record.
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Eldon Card video |
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