Intervertebral prosthesis

Details Intervertebral prosthesis Intervertebral prosthesis

1996-09-30

1999-07-06

Milano, Michael J.

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

Implantable prosthesis

Bone

606 61, A61F 244

Patent

active

059192356

ABSTRACT:
An implant, in particular an intervertebral prosthesis, which consists of an elongated elastic body which is form-elastic and takes on the form of a spiral S in the force-free state. The spiral can be drawn by a reverse winding up into an insertion instrument which is only insubstantially larger in the insertion region than the cross-section of the elongated elastic body in order to reach the inner space of an intervertebral disc through a small opening in the annulus fibrosus and to push in and sever off the self-winding spiral when the interior is filled. This has the advantage that inner spaces of differing sizes can be filled with the same spiral.

REFERENCES:
patent: 3448737 (1969-06-01), Huck
patent: 4994069 (1991-02-01), Ritchart
patent: 5171280 (1992-12-01), Baumgartner
patent: 5176647 (1993-01-01), Knoepfler
patent: 5263927 (1993-11-01), Shlain
patent: 5350397 (1994-09-01), Palermo
patent: 5522836 (1996-06-01), Palermo
patent: 5562736 (1996-10-01), Ray
patent: 5571189 (1996-11-01), Kuslich

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