Medical and veterinary apparatus and instruments for use in in-vitro-fertilization, in particular devices for cryopreservation of biological specimens; injection devices without needles for reproductive medicine; hypodermic needles for medical purposes; medical syringes, especially for reproductive medicine; fluid injectors for medical purposes; capillary tubes for samples; capillary tubes for the distribution of reagents; medical instruments for use on the human body, namely, for reproductiv...