Chiropractic + Naturopathic Doctor

Industry News – DDD’s new stenosis/degenerative model

Maria DiDanieli   


Aug. 10, Nanaimo, BC – Dynamic
Disk Designs, makers of spinal models, introduces its newest model, the LxD (D
for degenerated) spine model.

This carefully
thought-out design will help doctors be even more effective in their clinical
practices when the words degeneration/osteoarthritis/stenosis crop up. This new
LxD model was carefully chosen and
crafted from an abnormal specimen with features of progressive and advanced
degeneration in mind.


The LxD features:

Dynamic soft spinal stenosis – A thickened ligamentum flavum has been designed in line with
the literature, demonstrating its presence adjacent more so with the
moderate-severe facet arthropathy. With this natural specimen you can also see
there is a shortened pedicle, further narrowing the lateral recess for the
exiting nerve root. With a constructed paracentral disc bulge and the thickened
ligamentum flavum the AP diameter narrows even more when the model is dynamically compressed in extension.
Patients will finally understand what it means to have nerve compression due to
lateral and central stenosis. They will also understand why extension increases
symptoms while flexion often decreases symptoms. This will help you be more
effective in your patient education and help you drive home your therapeutic

A compressed and degenerated disc – As discs degenerate, the annulus and nucleus become less
distinct. In this model, the disc is stiffer, showcasing significant disc
height loss. It has been designed with a blend of properties from the annulus
and nucleus. If you already have the LxH model, patients can now see and feel
the difference between this degenerated disc and one that has good disc height.
Furthermore, they can understand why a healthy disc has better range of motion.

Mild, moderate, and severe facet arthropathy – Now one model showcases all levels of degeneration. This is
not only convenient for the doctor but also valuable when explaining
degenerative wear patterns to the patient. They can clearly see the negative
effects of asymmetric spinal alignment in the development of OA.

This L4 and L5 model
was constructed carefully with natural degenerative details that demonstrate
features most helpful for doctors in the pursuit of educating patients. The
right and left superior articular processes of L4 demonstrate a beautiful
comparison. Other bony features include: osteophytes, lateral body wedging of
L5, IVF narrowing and a bony canal of about 13 millimetres.

For more information,
or to purchase the LxD and other spinal models, please visit .


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