METHOD FOR THE VITRIFICATION OF HUMAN SEMEN AND PORTABLE KIT FOR THE APPLICATION OF SAID METHOD
This invention describes a method for human sperm vitrification, which includes providing liquefied human sperm; having a vitrification medium, where the vitrification medium comprises: (a) a sperm buffer, and (b) a cryoprotectant mixture including a permeable cryoprotectant and a non-permeable cryo...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | This invention describes a method for human sperm vitrification, which includes providing liquefied human sperm; having a vitrification medium, where the vitrification medium comprises: (a) a sperm buffer, and (b) a cryoprotectant mixture including a permeable cryoprotectant and a non-permeable cryoprotectant; mixing the liquefied sperm with the vitrification medium; providing a sperm straw and loading such straw with 0.25 to 0.5 mL of the obtained mixture; sealing the straw with heat; and placing the straw vertically in a container with liquid nitrogen to vitrify the mixture. This invention also provides a portable kit, which makes it easy to implement the method. Such kit includes a vitrification medium, some straws, a container, usage instructions, among others. |
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