Functional and biocompatible intervertebral disc spacer

Details Functional and biocompatible intervertebral disc spacer Functional and biocompatible intervertebral disc spacer

1988-06-10

1990-03-27

Apley, Richard J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

623 18, A61F 244, A61F 230

Patent

active

049117181

ABSTRACT:
The construction and manufacturing technique for a functional biocompatible intervertebral disc spacer is described. This device is useful for a replacement for a degenerated disc in certain treatments of back pain and spinal disease. The disc spacer possesses mechanical properties akin to those of the normal disc and will preserve normal functions of the spinal motion segment. The device achieves the desired properties by providing reinforcing fibers of appropriate orientation and number within an elastomeric matrix.

REFERENCES:
patent: 3503199 (1970-03-01), Nesbitt-Dufort
patent: 3867728 (1975-02-01), Stubstad et al.
patent: 4356571 (1982-11-01), Esper et al.
patent: 4512038 (1985-04-01), Alexander et al.
patent: 4711286 (1987-12-01), Kabe et al.
patent: 4714467 (1987-12-01), Lechner et al.

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