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Tissue-integrated bionic knee can restore natural movement

MIDDLESEX COUNTY, MASSACHUSETTS, JUL 10 – The osseointegrated mechanoneural prosthesis improves stability and control by integrating directly with bone and nerves, with clinical studies showing better performance than traditional prostheses.

  • Scientists at MIT have created an advanced bionic knee that connects directly to muscle and bone tissue, enabling above-the-knee amputees to experience more natural and efficient movement.
  • This invention builds on the AMI surgical procedure that reconnects muscle pairs and allows direct neural control and sensory feedback for prosthetic limbs.
  • A 2024 study evaluated two participants who received an osseointegrated mechanoneural prosthesis , combining AMI surgery with the e-OPRA implant, and found they exhibited improved control, greater stability, and enhanced sensations of limb ownership compared to individuals using conventional prosthetic devices.
  • Dr. Hugh Herr emphasized that the prosthesis functions as more than just an external device; it becomes closely integrated with the wearer's body and identity.
  • The study implies that tissue-integrated prostheses could soon become a new standard for above-the-knee amputations pending further clinical trials and regulatory approval.
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Bionic Knee Allows Better Movement For Amputees

·New York, United States
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The Massachusetts Institute of Technology (MIT) has created a prototype that will revolutionize the world of physical rehabilitation, especially for those who suffered leg amputations above the knee. Learn all the details in the following article.

Researchers at the Massachusetts Institute of Technology (MIT) developed a new bionic knee for people with amputations above the knee. Unlike common prosthetics, this system connects to the patient's bone and muscles, allowing for more natural mobility and greater control.The advance combines two technologies: a surgery called AMI, which reconnects the muscles that are normally cut during amputation, and a titanium bone implant that is fixed in …

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Medical Xpress broke the news in on Thursday, July 10, 2025.
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