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Scientists in Australia have developed a flexible soft robotic arm that can 3D-print cells onto organs.
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The arm can deliver biomaterials into the target tissue or organs with a minimally invasive approach.
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The device was described in the journal Advanced Science.
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The arm is called F3DB and it is small and flexible.
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The device has a swiveling nozzle that prints bio-ink onto the target tissue or organs.
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Hydraulics allow the arm to bend and twist, while controllers adjust the stiffness using elastic tubes.
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The device is operated externally. It can be inserted like an endoscope into hard-to-reach incisions and orifices, such as the rectum.
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The device can reconstruct three-dimensional wounds inside the body, such as gastric wall injuries or damage and disease inside the colon.
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It can mitigate mismatches between 3D-printed biomaterials and target tissues/organs, as well as structural damage during handling and transport.