Patent ID: 11814488

Abstract:
A production method for a dried Vitrigel film includes, in the following order: step 1 of concentrically arranging and disposing member A having one or more recesses and member B having one or more through holes, such that the recesses overlap the through holes; step 2 of pouring a sol from the through holes of member B; step 3 of gelling the sol; step 4 of drying and vitrifying the hydrogel obtained in step 3 in a state in which it is formed in the member A and the member B; step 5 of hydrating the dried hydrogel obtained in step 4; step 6 of drying and re-vitrifying the Vitrigel obtained in step 5; and step 7 of cutting off a portion, which slightly covers the top surface of the member A, of the dried Vitrigel obtained in step 6.