Peanut spectacle multi discoid thoraco-lumbar disc prosthesis
作者： Vincent Bryan
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摘要: A small profile, peanut spectacle-shaped prosthetic disc device (20) is provided. The housing comprised of two longitudinally split hollow halves (22, 24), between which are contained multiple discoid shaped resilient bodies (41, 42) may be a polymeric type, or they contain hydrogel. These lie in concave surfaces (51, 52) located on the interior each side cylindrical housing. halves, even under maximum physiological loads, do not contact one another directly. shell shape permits relatively easy introduction intervertebral spaces thoracic lumbar region human spine.
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