"Shock absorber for the knee" implant shows promise in clinical trial
Anchored to the inner sides of the femur and tibia bones alongside the knee joint, it incorporates a steel piston on top, which slides in and out of a flexible polymer cylinder on the bottom. When the piston compresses the cylinder on the downstroke, the cylinder responds by bulging outward along the sides, absorbing much of the energy that would otherwise go into the joint.
the Misha is implanted under the skin via a single incision, in an outpatient procedure. Once the device is in place, it doesn't place any restrictions on the knee's range of motion or weight-bearing capabilities. It also leaves the bones, tendons and the cartilage intact.
Back in 2019 – the Misha was implanted on a total of 81 knee pain patients, as part of a multi-center clinical trial led by The Ohio State University Wexner Medical Center. The results of that trial were announced this Thursday (Sept. 22nd), after the test subjects had lived with the implant for three years.
over 90% of the participants experienced a "significant reduction in pain scores and improvement in function scores."
Overall, the device had an 86% success rate, which is claimed to be better than the success rate for a commonly performed surgical procedure known as a high tibial osteotomy.
https://newatlas.com/medical/moximed-misha-shock-absorber-knee-implant/
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