Intrinsic Therapeutics, founded in 2000 in Woburn, Massachusetts, markets the Barricaid ® annular prosthesis to prevent reherniation and reoperation in patients with large annulus defects following ...

It is designed to be installed around the inner drill casing, which is then immersed in the annulus fluid. As pressure within the annulus increases, the CFW will collapse at a pre-determined pressure ...

The annulus fibrosus is the outer part of the disc, which encases the nucleus pulposus and is made of strong fibers arranged in concentric layers. An annular fissure occurs when these fibers begin to ...

A herniated disc occurs when this soft inner core ruptures through a tear or hole in the outer layer of the disc (annulus fibrosus). Each intervertebral disc is a shock-absorbing cushion between ...

MRI of the lumbar spine showed decreased signal in the responsible disc and high signal at the posterior edge of the annulus fibrosus, without obvious nerve root compression; and (6) patients ...

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