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MIT Robot Slithers Through Body to Find and Treat Disease
The soft robot uses inflatable chambers and kirigami sleeves to move on its own, capturing images, delivering drugs and taking biopsies.
Engineers at the Massachusetts Institute of Technology developed BIOSENTER, a snake-inspired soft robot designed to autonomously navigate the small intestine for medical imaging and tissue biopsies.
Diagnosing the small intestine is often difficult because the 20-foot organ is located deep within the body, making traditional double-balloon enteroscopy a slow and labor-intensive procedure.
Mimicking snake locomotion, BIOSENTER uses inflatable chambers and kirigami-inspired anchoring to grip intestinal walls; the design successfully navigated pig intestines for 11 minutes during animal studies.
Equipped with cameras, drug sprayers, and tissue clips, BIOSENTER offers healthcare workers a more efficient tool for diagnosing and treating intestinal disorders than existing manual methods.
MIT mechanical engineer Giovanni Traverso and his team are refining navigation systems to eventually achieve fully automated evaluation of the small intestine for clinical applications.