English to Spanish Medical Medical (general) derivatives of microbial/recombinant origin

Buenos días,

Espero que puedan ayudarme con la siguiente expresión al español: “derivatives of microbial/recombinant origin”, relacionada con las pruebas a unos audífonos médicos. Muchas gracias:

“Essential Principles Conformity Checklist


9.4.
For products incorporating cells, tissues and derivatives of microbial/recombinant origin falling within the definition of a medical device, the selection of sources, donors, the processing, preservation, testing and handling of cells, tissues and derivatives of such origin should be carried out so as to provide optimal safety.”

GVL