For highly sensitive objects that need special care and preservation like specimens for medical use, a reliable storage is needed. There are biomedical storage supplies and equipment that can provide extensive protection and safe-keeping for these things.
Liquid nitrogen freezers or an ln2freezer provides efficient storage for biological products needed for transplants or specimen samples. This equipment is created to hold and maintain temperatures that are very specific to protect the nature of the objects. There is no other trusted storage equipment for this type of products than a liquid nitrogen freezer. It is also designed for cryogenic and cell culture storage. Medical institutions, pharmaceutical laboratories, medical universities, and the likes acquire this type of storage for their laboratory needs.
You will need a specialized and knowledgeable person to install this equipment. So you may have to request the company, where you bought the ln2freezer from, to provide you experienced people to help with the installation. Remember to ask plenty of questions before getting this equipment for your company or research institution. But I am certain this is a good investment.