ES2182985T3 - Estabilizador de disco intervertebral. - Google Patents

Estabilizador de disco intervertebral.

Info

Publication number
ES2182985T3
ES2182985T3 ES96918186T ES96918186T ES2182985T3 ES 2182985 T3 ES2182985 T3 ES 2182985T3 ES 96918186 T ES96918186 T ES 96918186T ES 96918186 T ES96918186 T ES 96918186T ES 2182985 T3 ES2182985 T3 ES 2182985T3
Authority
ES
Spain
Prior art keywords
implant
vertebras
advanced
height
bodies
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES96918186T
Other languages
English (en)
Inventor
Madhavan Pisharodi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27395462&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2182985(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US08/210,229 external-priority patent/US6093207A/en
Priority claimed from US08/482,974 external-priority patent/US5697977A/en
Priority claimed from US08/475,211 external-priority patent/US5658336A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of ES2182985T3 publication Critical patent/ES2182985T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

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    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
    • A61F2/446—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages having a circular or elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Neurology (AREA)
  • Veterinary Medicine (AREA)
  • Transplantation (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Surgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Prostheses (AREA)

Abstract

SE DESCRIBE UN IMPLANTE EN FORMA DE DISCO EXTRAIBLE, EXPANDIDO EN SU PARTE MEDIA (22) CON UNA FORMA EN SECCION TRANSVERSAL SUSTANCIALMENTE RECTANGULAR CON UNA ALTURA MINIMA (H) Y UNA ANCHURA (W) MAYOR QUE LA ALTURA, QUE ESTA MONTADO DE FORMA DESMONTABLE SOBRE UN APLICADOR (52) PARA SU INSERCION EN LA REGION ANATOMICA ENTRE DOS VERTEBRAS ADYACENTES (16, 18) DE LA CUAL SE HA ELIMINADO UNA PORCION DEL DISCO INTERVERTEBRAL. EL IMPLANTE SE COLOCA MEDIANTE UN MOVIMIENTO ANTERIOR EL ESPACIO DEL DISCO, HASTA UNA POSICION EN LA CUAL LA PORCION MEDIA EXPANDIDA Y LAS PORCIONES DEL EXTREMO DE MENOR DIAMETRO (25, 36) DEL IMPLANTE SE ACOPLAN A LOS CUERPOS (12, 14) DE LAS VERTEBRAS ADYACENTES, Y LUEGO SE ROTA PARA QUE LOS LATERALES (34) DEL IMPLANTE QUE DEFINEN LA ALTURA DEL IMPLANTE SE ACOPLEN CON LOS CUERPOS DE LAS VERTEBRAS ADYACENTES. ENTONCES SE AJUSTA UN PESTILLO (24) AL IMPLANTE PARA EVITAR LA POSTERIOR ROTACION DEL MISMO. EN EL CASO EN EL QUE SE NECESITE ALINEAR LAS VERTEBRAS ADYACENTES ANTES DE LA FUSION, SE SUMINISTRA UN IMPLANTE ALARGADO (112) QUE ESTA SEPARADO DE FORMA LONGITUDINAL EN ELEMENTOS COLOCADOS UNO JUNTO AL OTRO (113, 114) QUE PUEDEN MOVERSE EN RELACION DEL UNO AL OTRO, Y QUE SE INSERTA EN EL ESPACIO DEL DISCO ENTRE LAS DOS VERTEBRAS MAL ALINEADAS (133, 137). LOS ELEMENTOS ESTAN PROVISTOS DE DIENTES (138) PARA ACOPLARSE A LAS VERTEBRAS ADYACENTES Y EL IMPLANTE FORMADO POR LOS DOS ELEMENTOS COLOCADOS UNO JUNTO A OTRO POSEE UNA SECCION TRANSVERSAL DE FORMA RECTANGULAR, SIENDO LA ALTURA (H SUB,6}) DE LA SECCION TRANSVERSAL DE FORMA RECTANGULAR MENOR QUE LA ANCHURA (W SUB,6}), DE FORMA QUE EL IMPLANTE PUEDE INSERTARSE ENTRE LAS VERTEBRAS ADYACENTES CON LA DIMENSION MENOR DE LA ALTURA ORIENTADA EN LA MISMA DIRECCION QUE EL EJE DE LA COLUMNA VERTEBRAL, Y LA DIMENSION MAYOR DE LA ANCHURA EN APROXIMADAMENTE UN ANGULO RECTO A ESE EJE. ENTONCES UN ELEMENTO SE MUEVE EN RELACION AL OTRO DESDE UNA POSICION DE UNO JUNTO AL OTRO A LO LARGO DEL EJE LONGITUDINAL DEL IMPLANTE, HASTA UNASEGUNDA POSICION EN LA CUAL LOS ELEMENTOS SE ENCUENTRAN ALINEADOS CON LAS RESPECTIVAS VERTEBRAS ADYACENTES MAL ALINEADAS, Y EL IMPLANTE SE ROTA 90 ACOPLAR LOS DIENTES A LOS CUERPOS DE LAS VERTEBRAS ADYACENTES. ENTONCES LOS DOS ELEMENTOS VUELVEN A LLEVARSE A LA PRIMERA POSICION DE UNO JUNTO AL OTRO PARA DESPLAZAR LAS VERTEBRAS HASTA QUE SE ALINEAN, Y EL IMPLANTE SE ROTA APROXIMADAMENTE 90 DESACOPLAR LOS DIENTES DE LAS VERTEBRAS, PARA SU RETIRADA DEL ESPACIO DEL DISCO.
ES96918186T 1994-03-18 1996-06-06 Estabilizador de disco intervertebral. Expired - Lifetime ES2182985T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/210,229 US6093207A (en) 1994-03-18 1994-03-18 Middle expanded, removable intervertebral disk stabilizer disk
US08/482,974 US5697977A (en) 1994-03-18 1995-06-07 Method and apparatus for spondylolisthesis reduction
US08/475,211 US5658336A (en) 1994-03-18 1995-06-07 Rotating, locking, middle-expanded intervertebral disk stabilizer

Publications (1)

Publication Number Publication Date
ES2182985T3 true ES2182985T3 (es) 2003-03-16

Family

ID=27395462

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96918186T Expired - Lifetime ES2182985T3 (es) 1994-03-18 1996-06-06 Estabilizador de disco intervertebral.

Country Status (9)

Country Link
US (1) US5653762A (es)
EP (1) EP0830116B1 (es)
JP (1) JP3761196B2 (es)
CN (1) CN1134243C (es)
AU (1) AU6090096A (es)
CA (1) CA2222025C (es)
DE (1) DE69623616T2 (es)
ES (1) ES2182985T3 (es)
WO (1) WO1996040016A2 (es)

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US7879095B2 (en) * 1994-03-18 2011-02-01 Madhavan Pisharodi Method of inserting, rotating and releasing a spring-loaded artificial disk
US5893890A (en) * 1994-03-18 1999-04-13 Perumala Corporation Rotating, locking intervertebral disk stabilizer and applicator
US6206922B1 (en) * 1995-03-27 2001-03-27 Sdgi Holdings, Inc. Methods and instruments for interbody fusion
US6245072B1 (en) * 1995-03-27 2001-06-12 Sdgi Holdings, Inc. Methods and instruments for interbody fusion
US5782919A (en) 1995-03-27 1998-07-21 Sdgi Holdings, Inc. Interbody fusion device and method for restoration of normal spinal anatomy
US6264655B1 (en) 1995-06-07 2001-07-24 Madhavan Pisharodi Cervical disk and spinal stabilizer
US7959652B2 (en) 2005-04-18 2011-06-14 Kyphon Sarl Interspinous process implant having deployable wings and method of implantation
US6068630A (en) * 1997-01-02 2000-05-30 St. Francis Medical Technologies, Inc. Spine distraction implant
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EP0830116A2 (en) 1998-03-25
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US5653762A (en) 1997-08-05
AU6090096A (en) 1996-12-30
EP0830116B1 (en) 2002-09-11
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WO1996040016A2 (en) 1996-12-19
CA2222025A1 (en) 1996-12-19
WO1996040016A3 (en) 1997-02-13
CN1134243C (zh) 2004-01-14
CN1192669A (zh) 1998-09-09
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MX9709599A (es) 1998-10-31
JPH11510405A (ja) 1999-09-14

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