“Biomaterials can be directly delivered into the target tissue or organs with a minimally invasive approach,” Dr. Thanh Nho Do said.
Dubbed F3DB, the small, flexible arm is outfitted with a swiveling nozzle that prints bio-ink — polymer-based materials used to engineer live tissue. Hydraulics allow the arm to bend and twist, while controllers adjust the stiffness using elastic tubes. Best of all, each component is operated externally.
Thanks to this surgical precision, doctors can potentially bypass many of the dangers associated with existing 3D bioprinting techniques, which “require biomaterials to be made outside the body,” Do explained. “Implanting that into a person would usually require large open-field open surgery, which increases infection risks.”
3D-printing isn’t F3DB’s only function. Like a surgical Swiss Army knife, the endoscopic bot can reportedly do everything from snipping cancerous lesions to cleaning blood and excess tissue from the site — capabilities also tested on the pig’s intestine. The device also has the potential to remove cancerous lesions, clean and dress wounds, and even reinforce them with biomaterial.Researchers are working on even more nifty features, including an integrated camera and scanner that would allow operators to print the necessary tissues in real time,. Meanwhile, the next phase for the bot involves a dry run on live animals to determine its practical applications.
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