Inflatable nuclear prosthesis

Details Inflatable nuclear prosthesis Inflatable nuclear prosthesis

2005-10-25

2005-10-25

Philogene, Pedro (Department: 3732)

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

Implantable prosthesis

Bone

Reexamination Certificate

active

06958077

ABSTRACT:
The nucleus of an intervertebral disc is replaced with a construct including a distendable sack or balloon which is inflated with a hardenable material and is detached in situ when the injected material has hardened. Alternatively, two nested balloons may be inserted, and then filled with materials which have different hardnesses when cured, to simulate a natural disc.

REFERENCES:
patent: 3875595 (1975-04-01), Froning
patent: 5192326 (1993-03-01), Bao et al.
patent: 5571189 (1996-11-01), Kuslich
patent: 5674295 (1997-10-01), Ray et al.
patent: 6022376 (2000-02-01), Assell et al.
patent: 6443988 (2002-09-01), Felt et al.
patent: 6632235 (2003-10-01), Weikel et al.
patent: 6805697 (2004-10-01), Helm et al.

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