JP5727054B2 - 損傷した脊椎円板を置換するための装置 - Google Patents
損傷した脊椎円板を置換するための装置 Download PDFInfo
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- JP5727054B2 JP5727054B2 JP2013558030A JP2013558030A JP5727054B2 JP 5727054 B2 JP5727054 B2 JP 5727054B2 JP 2013558030 A JP2013558030 A JP 2013558030A JP 2013558030 A JP2013558030 A JP 2013558030A JP 5727054 B2 JP5727054 B2 JP 5727054B2
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- 230000014759 maintenance of location Effects 0.000 claims description 21
- 238000007373 indentation Methods 0.000 claims description 5
- 239000011162 core material Substances 0.000 description 56
- 230000007704 transition Effects 0.000 description 10
- 239000011324 bead Substances 0.000 description 5
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000560 biocompatible material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
Claims (29)
- 脊柱内の損傷した脊椎円板を置換するための装置であって、
脊柱の第1の椎骨と係合可能な外面と、内面と、を有する第1の保持デバイスと、
脊柱の第2の椎骨と係合可能な外面と、内面と、を有する第2の保持デバイスと、
第1の表面および第2の表面を有する弾力的なコアと、
を含み、前記第1の表面は、前記第1の保持デバイスの前記内面と係合し、前記第2の表面は、前記第2の保持デバイスの前記内面と係合し、前記第1の表面は、前記装置の軸から、前記第2の表面が当該軸から半径方向に延在するより長い距離だけ、半径方向外向きに延在し、前記弾力的なコアは、傾斜した半径方向外側の面を有し、前記半径方向外側の面は、当該半径方向外側の面と隣接する前記第1の表面から、当該半径方向外側の面と隣接する前記第2の表面まで延在している、装置。 - 前記弾力的なコアの前記第1の表面は、前記第1の保持デバイスの前記内面に固定的に取り付けられ、前記弾力的なコアの前記第2の表面は、前記第2の保持デバイスの前記内面に固定的に取り付けられている、請求項1に記載の装置。
- 前記コアは凹面を含み、当該凹面は、隣接する前記第1の表面から、前記第2の表面に向かって、前記半径方向外側の面まで延在し、前記第1の保持デバイスは、前記第2の保持デバイスに向かって延在するフランジを含み、前記フランジは、前記装置に荷重が加わっていないときに、前記コアの前記凹面と係合する、請求項1に記載の装置。
- 前記フランジは、前記第1の保持デバイスの前記内面と前記フランジの先端との間に延在する半径方向内側部分を有する凸面を含み、前記凸面の前記半径方向内側部分は、前記装置に荷重が加わっていないときに、前記コアの前記凹面と係合する、請求項3に記載の装置。
- 前記コアは、前記第1の表面と前記半径方向外側の面との間に延在する第1の凹面を含み、前記第1の保持デバイスは、前記第2の保持デバイスに向かって延在するフランジを含み、前記フランジは、前記装置に荷重が加わっていないときに、前記コアの前記第1の凹面と係合し、前記コアは、前記第2の表面と前記半径方向外側の面との間に延在する第2の凹面を含み、前記第2の保持デバイスは、前記第1の保持デバイスに向かって延在するフランジを含み、前記第2の保持デバイスの前記フランジは、前記装置に荷重が加わっていないときに、前記コアの前記第2の凹面と係合する、請求項1に記載の装置。
- 前記第1の保持デバイスの前記フランジは、前記第1の保持デバイスの前記内面と前記フランジの先端との間に延在する半径方向内側部分を有する凸面を含み、前記凸面の前記半径方向内側部分は、前記装置に荷重が加わっていないときに、前記コアの前記第1の凹面と係合し、前記第2の保持デバイスの前記フランジは、前記第2の保持デバイスの前記内面と前記フランジの先端との間に延在する半径方向内側部分を有する凸面を含み、前記第2の保持デバイスの前記凸面の前記半径方向内側部分は、前記装置に荷重が加わっていないときに、前記コアの前記第2の凹面と係合する、請求項5に記載の装置。
- 前記第1の保持デバイスは、保持部材と末端キャップとを含み、前記末端キャップは、前記保持部材の内面および外面を貫通して延在する開口内に延在している、請求項1に記載の装置。
- 前記末端キャップは、前記保持部材に設けられた開口に嵌まる、請求項7に記載の装置。
- 前記弾力的なコアは、前記第1および第2の表面のうちの一方から、前記第1および第2の表面のうちの他方に向かって延在し、かつ、前記第1および第2の表面のうちの前記一方から延在する空間を少なくとも部分的に画定する表面を有する、請求項1に記載の装置。
- 前記第1および第2の表面のうちの一方は、前記空間を画定するくぼみを含む、請求項9に記載の装置。
- 前記空間を少なくとも部分的に画定する前記表面は、前記コアの前記第1の表面から延在し、前記半径方向外側の面は、前記コアの前記第1の表面に隣接して、前記装置の軸から第1の距離だけ離れており、前記半径方向外側の面は、前記コアの前記第2の表面に隣接して、前記第1の距離より短い第2の距離だけ前記装置の前記軸から離れている、請求項9に記載の装置。
- 前記コアは、断面が台形である、請求項1に記載の装置。
- 前記コアの前記第1の表面は、前記コアの前記第2の表面よりも大きな面積を占める、請求項1に記載の装置。
- 前記第1の保持デバイスは、前記第2の保持デバイスに向かって延在するフランジを含み、前記第1の保持デバイスは、前記第1の保持デバイスの前記内面と前記フランジとの間に延在する第1の凹面を有し、前記第1の凹面は、第1の曲率半径を有し、前記第2の保持デバイスは、前記第1の保持デバイスに向かって延在するフランジを含み、前記第2の保持デバイスは、前記第2の保持デバイスの前記内面と前記フランジとの間に延在する第2の凹面を有し、前記第2の凹面は、前記第1の曲率半径とは異なる第2の曲率半径を有する、請求項1に記載の装置。
- 前記第1の保持デバイスの前記フランジは、前記第1の保持デバイスの前記第1の凹面と前記フランジの先端との間に延在する半径方向内側部分を有する凸面を含み、前記凸面の前記半径方向内側部分は、前記装置に荷重が加わっていないときに、前記コアの第1の凹面と係合し、前記第2の保持デバイスの前記フランジは、前記第2の凹面と前記フランジの先端との間に延在する半径方向内側部分を有する凸面を含み、前記第2の保持デバイスの前記凸面の前記半径方向内側部分は、前記装置に荷重が加わっていないときに、前記コアの第2の凹面と係合する、請求項14に記載の装置。
- 前記コアの前記第1の表面は、空間を画定するくぼみを含み、前記第1の凹面の前記第1の曲率半径は、前記第2の保持デバイスの前記第2の凹面の前記第2の曲率半径よりも小さい、請求項14に記載の装置。
- 前記半径方向外側の面は、前記弾力的なコアの前記第1の凹面と前記第2の凹面との間で連続的に傾斜している、請求項16に記載の装置。
- 脊柱内の損傷した脊椎円板を置換するための装置であって、
脊柱の第1の椎骨と係合可能な外面と、内面と、を有する第1の保持デバイスと、
脊柱の第2の椎骨と係合可能な外面と、内面と、を有する第2の保持デバイスと、
第1の表面と、第2の表面と、前記第1の表面と前記第2の表面との間に延在する半径方向外側の面と、前記第1の表面と隣接し、前記第1の表面から、前記第2の表面に向かって、前記半径方向外側の面まで延在する凹面と、を有する弾力的なコアと、
を含み、
前記第1の保持デバイスは、前記第2の保持デバイスに向かって延在するフランジを有し、
前記フランジは、前記第1の保持デバイスの前記内面と前記フランジの先端との間に延在する半径方向内側部分を有する凸面を含み、
前記第1の表面は、前記第1の保持デバイスの前記内面と係合し、前記第2の表面は、前記第2の保持デバイスの前記内面と係合し、前記コアの前記凹面は、前記装置に荷重が加わっていないときに、前記凸面の前記半径方向内側部分と係合する、装置。 - 前記弾力的なコアの前記第1の表面は、前記第1の保持デバイスの前記内面に固定的に取り付けられ、前記弾力的なコアの前記第2の表面は、前記第2の保持デバイスの前記内面に固定的に取り付けられている、請求項18に記載の装置。
- 前記第2の保持デバイスは、前記第1の保持デバイスに向かって延在するフランジを含み、前記コアは、前記第2の表面と前記半径方向外側の面との間に延在する凹面を含み、前記コアの前記凹面は、前記第2の表面と、前記半径方向外側の面との間に延在し、前記装置に荷重が加わっていないときに、前記第2の保持デバイスの前記フランジと係合する、請求項18に記載の装置。
- 前記第1の保持デバイスの前記フランジは、前記第1の保持デバイスの前記内面と前記フランジの先端との間に延在する半径方向内側部分を有する凸面を含み、前記凸面の前記半径方向内側部分は、前記装置に荷重が加わっていないときに、前記第1の表面と前記半径方向外側の面との間に延在する前記凹面と係合し、
前記第2の保持デバイスの前記フランジは、前記第2の保持デバイスの前記内面と前記フランジの先端との間に延在する半径方向内側部分を有する凸面を含み、前記第2の保持デバイスの前記凸面の前記半径方向内側部分は、前記装置に荷重が加わっていないときに、前記第2の表面と前記半径方向外側の面との間に延在する前記凹面と係合する、請求項20に記載の装置。 - 前記第1の保持デバイスは、保持部材と末端キャップとを含み、前記末端キャップは、前記保持部材の内面および外面を貫通して延在する開口に嵌まる、請求項18に記載の装置。
- 前記第1および第2の表面のうちの少なくとも一方は、空間を画定するくぼみを含む、請求項18に記載の装置。
- 前記第1の表面は、前記くぼみを含み、前記半径方向外側の面は、前記コアの前記第1の表面に隣接して、前記装置の軸から第1の距離だけ離れており、前記半径方向外側の面は、前記コアの前記第2の表面に隣接して、前記装置の軸から前記第1の距離より短い第2の距離だけ離れている、請求項23に記載の装置。
- 前記コアは、断面が台形である、請求項18に記載の装置。
- 前記コアの前記第1の表面は、前記コアの前記第2の表面よりも大きな面積を占める、請求項18に記載の装置。
- 前記第1の保持デバイスは、前記第1の保持デバイスの前記内面と前記フランジとの間に延在する第1の凹面を有し、前記第1の凹面は、第1の曲率半径を有し、
前記第2の保持デバイスは、前記第1の保持デバイスに向かって延在するフランジを含み、
前記第2の保持デバイスは、前記第2の保持デバイスの前記内面と前記フランジとの間に延在する第2の凹面を有し、前記第2の凹面は、前記第1の曲率半径とは異なる第2の曲率半径を有する、請求項18に記載の装置。 - 前記コアの前記第1の表面は、空間を画定するくぼみを含み、前記第1の凹面の前記第1の曲率半径は、前記第2の保持デバイスの前記第2の凹面の前記第2の曲率半径より小さい、請求項27に記載の装置。
- 前記第1の表面は、前記装置の軸から、前記第2の表面が当該軸から半径方向に延在するより長い距離だけ、半径方向外向きに延在する、請求項18に記載の装置。
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US13/047,857 US8449616B2 (en) | 2011-03-15 | 2011-03-15 | Apparatus for replacing a damaged spinal disc |
PCT/US2012/027059 WO2012125290A1 (en) | 2011-03-15 | 2012-02-29 | Apparatus for replacing a damaged spinal disc |
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US20130261746A1 (en) * | 2012-03-28 | 2013-10-03 | Linares Medical Devices, Llc | Implantable inter-vertebral disk having upper and lower layers of a metal exhibiting bone fusing characteristics and which sandwich therebetween a soft plastic cushioning disc for providing dynamic properties mimicking that of a natural inter-vertebral disc |
US9655735B2 (en) * | 2013-03-15 | 2017-05-23 | Atlas Spine, Inc. | Spinal disc prosthesis |
DE102016124877B4 (de) | 2016-12-19 | 2019-02-07 | Ngmedical Gmbh | Bandscheibenprothese und Verfahren zur Herstellung einer Bandscheibenprothese |
US10111755B2 (en) * | 2017-02-24 | 2018-10-30 | Warsaw, Orthopedic, Inc. | Expanding interbody implant and articulating inserter and methods of use |
WO2019068078A1 (en) | 2017-09-29 | 2019-04-04 | Axiomed, LLC | ARTIFICIAL DISC HAVING SENSORS |
US20220287847A1 (en) * | 2021-03-15 | 2022-09-15 | Kamran Aflatoon | Disc prosthesis for controlled fusion |
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JPH07121265B2 (ja) * | 1986-12-26 | 1995-12-25 | 京セラ株式会社 | 頚椎用人工椎間板 |
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FR2870719B1 (fr) * | 2004-05-27 | 2007-09-21 | Spine Next Sa | Systeme d'arthroplastie rachidienne |
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US8449616B2 (en) | 2013-05-28 |
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CA2829679A1 (en) | 2012-09-20 |
KR101572744B1 (ko) | 2015-11-27 |
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