Intervertebral disk prosthesis

Details Intervertebral disk prosthesis Intervertebral disk prosthesis

1992-07-30

1994-06-14

Isabella, David

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

Implantable prosthesis

Bone

606 61, A61F 244

Patent

active

053206444

ABSTRACT:
An intervertebral disk prosthesis is described which with respect to its external dimensions imitates a natural intervertebral disk and connects two adjacent vertebrae to their upper and lower attachment surfaces. The intervertebral disk member is made of one piece from a strong, elastically deformable material and comprises parallel slits at a right angle to the connecting axis which partially overlap. In overlapping regions adjacent slits form parts of leaf springs for the transmission of forces from one attachment surface of the prosthesis to the other attachment surface.

REFERENCES:
patent: 3707731 (1973-01-01), Morgan
patent: 3951366 (1976-04-01), Abernathy et al.
patent: 4309777 (1982-01-01), Patil
patent: 4714469 (1987-12-01), Kenna
patent: 4752058 (1988-06-01), Weber
patent: 4759769 (1988-07-01), Hedman et al.
patent: 4997432 (1991-03-01), Keller

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