On-demand heart valves? 🤔❤️🐑 Researchers at @harvard have developed a method to cheaply produce heart valves in minutes, compared to the weeks or months that currently available implant technologies can take. This method uses air jets to direct a liquid polymer onto a valve shaped frame. The valves were functional immediately when implanted in sheep, effectively controlling their blood flow for an hour. #heartvalves #cardiology #transplants #surgery #heart #medical #anatomy #biology #science #sciencetok #learnontiktok #discovery