| abstract |
(57) [Summary] [Structure] Put the diluted solution in the embryo transfer straw, cool and freeze, and inject the vitrification cryopreservation solution directly on this, and inject the embryo at the same time or before and after that. A straw for mammalian embryo transfer, which comprises cooling this with liquid nitrogen and vitrifying, and a method for producing the straw. [Effect] The straw for embryo transfer can be conceived in a mammal without damaging the embryo by mixing the vitrification cryopreservation solution and the diluent with a simple operation at the time of use. |