One straw set contains a straw and a container. The Straw Set is a closed vitrification storage device that is used for holding human oocytes or embryos in the appropriate medium during the cooling, storage, and warming phases of vitrification. The straw is hermetically sealed within the container to avoid direct contact with liquid nitrogen and cross-contamination during the loading process.

Loading, cooling, and package

Touch the droplet with the narrow end of the straw and the capillary effect will force the medium to enter it. Put the straw into liquid nitrogen for vitrification immediately, and then transfer the straw into the pre-cooled container.

Warming and expelling

Tightly cover the wide end of the straw with your index fingers. The medium will flow out from the straw as a result of the increased pressure of warming air inside the straw.