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Re:Synthetic tissue can repair hearts, muscles, and vocal cords by pkaye on Tuesday November 30, 2021 @11:32PM (#29400701)
Looks like it was approved by the US FDA this year.

https://www.nature.com/articles/s41415-021-2714-8

Re:Synthetic tissue can repair hearts, muscles, and vocal cords by buu700 on Wednesday December 01, 2021 @03:45PM (#29408911)
It was, but unless something has changed in the last few months it's 1) prescription-only, and 2) not actually available for sale anywhere even if you have a prescription.