Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Reissue Patent
2003-07-23
2011-10-11
Stewart, Alvin J (Department: 3774)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
Reissue Patent
active
RE042837
ABSTRACT:
The present invention is a spinal nucleus implant for replacement of at least a portion of nucleus pulposus tissue removed from a spinal disc of a living vertebrate to restore function of the spinal disc and related vertebral joint. The implant is an anisotropically swellable, biomimetic xerogel plastic, having a two phase structure with a hydrophobic phase having high crystallinity and low water content and with hydrophilic phase having low crystallinity and high water content and having a negatively charged lubricious surface. The xerogel plastic is capable of rehydration and of osmotic movement of liquid therethrough in response to osmotic pressure change to thereby increase and decrease liquid content in its hydrated state. The present invention also relates to surgical implant procedures utilizing this spinal nucleus implant.
REFERENCES:
patent: 3875595 (1975-04-01), Froning
patent: 4107121 (1978-08-01), Stoy
patent: 4220152 (1980-09-01), Dresback
patent: 4309777 (1982-01-01), Patil
patent: 4331783 (1982-05-01), Stoy
patent: 4337327 (1982-06-01), Stoy
patent: 4349921 (1982-09-01), Kuntz
patent: 4369294 (1983-01-01), Stoy
patent: 4370451 (1983-01-01), Stoy
patent: 4379874 (1983-04-01), Stoy
patent: 4420589 (1983-12-01), Stoy
patent: 4636217 (1987-01-01), Ogilvie et al.
patent: 4714469 (1987-12-01), Kenna
patent: 4759769 (1988-07-01), Hedman et al.
patent: 4772287 (1988-09-01), Ray et al.
patent: 4837111 (1989-06-01), Deters et al.
patent: 4863476 (1989-09-01), Shepperd
patent: 4867969 (1989-09-01), Magruder et al.
patent: 4904260 (1990-02-01), Ray et al.
patent: 4904261 (1990-02-01), Dove et al.
patent: 4911718 (1990-03-01), Lee et al.
patent: 4943618 (1990-07-01), Stoy et al.
patent: 5047055 (1991-09-01), Bao et al.
patent: 5053034 (1991-10-01), Olerud
patent: 5171280 (1992-12-01), Baumgartner
patent: 5192326 (1993-03-01), Bao et al.
patent: 5252692 (1993-10-01), Lovy et al.
patent: 5489308 (1996-02-01), Kuslich et al.
patent: 5534028 (1996-07-01), Bao et al.
patent: 5674295 (1997-10-01), Ray et al.
patent: 5674296 (1997-10-01), Bryan et al.
patent: 5676701 (1997-10-01), Yuan et al.
patent: 5716415 (1998-02-01), Steffee
patent: 5824093 (1998-10-01), Ray et al.
patent: 5824094 (1998-10-01), Serhan et al.
patent: 5863551 (1999-01-01), Woerly
patent: 5865846 (1999-02-01), Bryan et al.
patent: 5879385 (1999-03-01), Crockard et al.
patent: 5976186 (1999-11-01), Bao et al.
patent: 6110210 (2000-08-01), Norton et al.
patent: 6165225 (2000-12-01), Antanavich et al.
patent: 6264695 (2001-07-01), Stoy
patent: 6764514 (2004-07-01), Li et al.
patent: 7004971 (2006-02-01), Serhan et al.
patent: 7204897 (2007-04-01), Stoy et al.
patent: 7368862 (2008-05-01), Pelrine et al.
patent: 2002/0183848 (2002-12-01), Ray et al.
patent: 2003/0023311 (2003-01-01), Trieu
patent: 0 505 634 (1992-09-01), None
patent: WO 00/64385 (2000-11-01), None
patent: WO 02/076336 (2002-10-01), None
Hudgins, Robert Garryl, Development and Characterization of a Prosthetic Intervertebral Disc, Published Aug. 16, 1999 (on information and belief); Copyright 1998, ISBN 978-0-599-17460-3.
Hudgins, R. Garryl, and Muzzy, John D., Polymer Composites, vol. 19, No. 6, 1998, pp. 837-845.
Gontarz, Jr. Gerald
Stoy Vladimir
Carter DeLuca Farrell & Schmidt LLP
Replication Medical Inc.
Stewart Alvin J
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