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HOF FTU Plasma: Freeze-Thaw Units for Blood Transfusion Services
Adjustable freezing speed and full control over the freezing process are among the top specifications for freezing systems from HOF. The total fill quantity is frozen evenly and independent of the bag size. Each product bag has the same freezing conditions and, at the end, the same shape. This makes it possible for bar codes to be machine-read on the flat surface, for example of a plasma bag. Reliable temperature and time documentation is a matter of course.
HOF‘s Freeze-Thaw Units guarantee quality-compliant storage of blood plasma because the product bags are frozen within 45 minutes to at least -30 °C at the bag’s core. At the same time, up to 120 bags with a capacity of 400 ml can be processed. The frozen blood plasma can also be safely thawed again.
Because our customers have different product capacities, there are two model types available: On the one hand, systems for processing up to 60 of the 400 ml bags are manufactured and, on the other hand, systems for up to 120 of these bags.
For individual adaptation Plants are divided into two different types. The compact design accommodates all process-relevant components within the device. On the other hand, there is the possibility of split-construction to lower the sound pressure level directly on the device. Here, the refrigeration components outside the unit are mounted on a separate machine frame.
The integrated pneumatic adjusting plate system compresses the product bags for the freezing process, so that all processed product bags have the same height after freezing.
The product bags also have flat surfaces on both sides: Barcodes can be machine-read and storage is greatly simplified.