| 摘要 |
<p>Avoids any risk of contamination, favoring and increasing the survival rate of human (oocytes, embryos or sperm, etc) or nonhuman cells (4) after thawing, featuring ultra-rapid cooling rates and the use of low concentrations of cryo-protectors. This device comprises a protective sheath (1) made of an inert, flexible and transparent material, inside of which a micro-capillary (2), preferably of quartz, is intended to house the cells (4) that are to be vitrified, the protective sheath (1) has been adapted to be protectively sealed at its superior extremity, thereby creating a hermetic seal of the device and preventing the entry of coolant (liquid nitrogen, slush or slurry) into the protective sheath (1 ).
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