The joint replacement is currently being studied in patients suffering from spinal stenosis with back pain and leg symptoms. Study participants must have complications at only one level and a relatively health intervertebral disc. Patients are randomly assigned to undergo spinal fusion or receive the artificial joint.
The investigational artificial joint features a shock absorb design to allow the patient to bend forwards and backwards. “It’s really good for people who are young and active, who would normally need a fusion, but this is a good way to maintain motion,” Dr. Whiting told CBS.
If the study demonstrates the artificial joint is noninferior to spinal fusion, it will go before the FDA for approval.
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