hydrogel
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TYBR Health wants your repaired tendon to mind its own business
A blue gel, a narrow space, and a stubborn surgical problem: TYBR Health is building a business around keeping healing tissues from sticking together.
Ventrix Put Pig-Heart Scaffolding in a Catheter. Now Comes the Hard Part.
A tiny San Diego biotech turned the heart's natural scaffolding into an injectable material, survived the first human test, and then redesigned the delivery. The idea is elegant. Proving it works at scale is the expensive part.
John Joyoprayitno
John Joyoprayitno is the President, CEO, and co-founder of Alafair Biosciences, an Austin-based medical device company building bioresorbable hydrogel implants that protect soft tissue during surgery. A native Austinite who studied anthropology before switching to entrepreneurship, he has built and run ventures ranging from a triathlon bike shop to the custom-car outfit Austin Speed Shop, and now leads a commercial-stage medtech firm best known for its VersaWrap product line. Under his leadership Alafair posted 722% year-over-year growth, and he was named Austin Business Journal's 2024 Best CEO and made Inc.'s 2025 Business Leader of the Year list.