JP2020533118A - 椎間インプラント - Google Patents
椎間インプラント Download PDFInfo
- Publication number
- JP2020533118A JP2020533118A JP2020514967A JP2020514967A JP2020533118A JP 2020533118 A JP2020533118 A JP 2020533118A JP 2020514967 A JP2020514967 A JP 2020514967A JP 2020514967 A JP2020514967 A JP 2020514967A JP 2020533118 A JP2020533118 A JP 2020533118A
- Authority
- JP
- Japan
- Prior art keywords
- implant
- support
- implant according
- outer frame
- proximal
- 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.)
- Pending
Links
- 239000007943 implant Substances 0.000 title claims abstract description 171
- 230000007704 transition Effects 0.000 claims abstract description 16
- 238000010894 electron beam technology Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000000149 argon plasma sintering Methods 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000009089 cytolysis Effects 0.000 claims 2
- 210000000988 bone and bone Anatomy 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
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- 208000007623 Lordosis Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 241000264877 Hippospongia communis Species 0.000 description 1
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910000883 Ti6Al4V Inorganic materials 0.000 description 1
- 230000008468 bone growth Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000001045 lordotic effect Effects 0.000 description 1
- 210000004705 lumbosacral region Anatomy 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Images
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- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2002/4625—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof with relative movement between parts of the instrument during use
- A61F2002/4628—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof with relative movement between parts of the instrument during use with linear motion along or rotating motion about an axis transverse to the instrument axis or to the implantation direction, e.g. clamping
Abstract
Description
2つのノード点の間の格子体7の支柱7.1の長さと、フレーム1.8の構造部品の縦寸法との比率に適用する。
Claims (24)
- 支持部(1.1)と、縦方向に前記支持部(1.1)に隣接する近位接触部(1.3)とを伴う椎間インプラント(1)であって、上側(1.6)及び下側(1.7)は、水平中心面(L−Q)に対して対称的に形成されることを特徴とする、インプラント。
- 移行エリア(U)は、前記支持部(1.1)と前記近位接触部(1.3)との間に形成されることを特徴とする、請求項1に記載のインプラント。
- 前記近位接触部(1.3)に対する前記移行エリア(U)と、前記接触部(1.3)から離れて対面する遠位端面(1.2)との間の前記支持部の高さは、前記移行エリア(U)における高さ及び前記遠位端面(1.2)における高さよりも大きくなることを特徴とする、請求項2に記載のインプラント。
- 最大高さは、前記近位接触部(1.3)に対する前記移行エリア(U)と、前記近位接触部(1.3)から離れて対面する前記遠位端面(1.2)との間の中間に形成されることを特徴とする、請求項3に記載のインプラント。
- 前記支持部(1.1)と前記近位接触部(1.3)との間の前記移行エリア(U)は凹形であることを特徴とする、請求項1〜4のいずれか一項に記載のインプラント。
- 前記インプラントの高さは、一方の縦側(1.5)で、反対の縦側(1.4)よりも大きいことを特徴とする、請求項1〜5のいずれか一項に記載のインプラント。
- 格子体(7)の形態で、固体支持部品及び内部コア(1.9)から作成された外側フレーム(1.8)によって特徴付けられる、請求項1〜6のいずれか一項に記載のインプラント。
- 前記格子体(7)は、横断方向に平行に伸びる表面(7.3−7.6)における前記外側フレーム(1.8)だけに接続されるが、前記表面(7.3−7.6)に対して限定角度で伸びる表面(7.8)及び縁(7.9)内の前記外側フレーム(1.8)に接続されないことを特徴とする、請求項7に記載のインプラント。
- 前記外側フレーム(1.8)は外側輪郭を決定し、前記外側フレーム(1.8)内に位置する前記内部コア(1.9)が一片で形成されることを特徴とする、請求項7または8に記載のインプラント。
- レーザ焼結等によって、焼結によって作られることを特徴とする、請求項1〜9のいずれか一項に記載のインプラント。
- 電子ビーム溶解、具体的には、選択的電子ビーム溶解によって作られることを特徴とする、請求項1〜9のいずれか一項に記載のインプラント。
- 前記内部コア(1.9)の上側表面及び下側表面(7.10)は、フレーム構成要素によって囲まれる開放空間と同じ寸法を有し、前記開放空間は、前記格子体の前記表面(7.10)を備えることを特徴とする、請求項7〜11のいずれか一項に記載のインプラント。
- 前記外側フレーム(1.8)は、格子体(7)として設計される前記内部コア(1.9)が配置される空洞を囲むことを特徴とする、請求項7〜12のいずれか一項に記載のインプラント。
- 前記外側フレーム(1.8)は、前記外側フレーム(1.8)の縦方向に伸びる縦リブ、具体的には、横断リブによって中央に接続される隣接する縦リブを有することを特徴とする、請求項7〜13のいずれか一項に記載のインプラント。
- 前記格子体(7)はダイヤモンド構造を有することを特徴とする、請求項7〜14のいずれか一項に記載のインプラント。
- 前記インプラントは縦方向中心軸(L)に沿って連続通路を有することを特徴とする、請求項7〜15のいずれか一項に記載のインプラント。
- 前記格子体(7)は0.5mm〜3.5mmの各開口部の格子開口直径を有することを特徴とする、請求項7〜16のいずれか一項に記載のインプラント。
- 前記格子体(7)は、インプラントの外側に、約0.5mm〜0.7mmの大きさの各開口部の開口直径を有することを特徴とする、請求項17に記載のインプラント。
- 前記インプラントを挿入器具に接続するための前記近位接触部(1.3)は前記インプラントの側壁の内側にアンダーカット凹部を有し、前記凹部は角度をつけて移動可能なアンダーカット接続を可能にすることを特徴とする、請求項1〜18のいずれか一項に記載のインプラント。
- 前記近位接触部(1.3)は、前記インプラント(1)の角度のある移動を可能にする、上側に切り欠きを有することを特徴とする、請求項1〜19のいずれか一項に記載のインプラント。
- 前記近位接触部(1.3)の近位端面は鋸歯状縁を有し、前記鋸歯状縁は、具体的には、円区分上に垂直方向で連続して形成され、前記鋸歯状縁は、前記近位端面の中央に形成される近位通路の両側に配置されることを特徴とする、請求項1〜20のいずれか一項に記載のインプラント。
- 支持部(1.1)と、移行エリア(U)を経由して前記支持部(1.1)に隣接する近位接触部(1.3)とを伴う椎間インプラントを導入するための方法であって、前記椎間インプラントの上側(1.6)及び下側(1.7)が水平中心面(L−Q)に対して対称であり、前記インプラントは、前記インプラントが矢状面及び前頭面の両方の限定角度で椎骨との間で横になるように、椎間腔内の単独インプラントとして2つの椎骨間で椎間孔を通って低侵襲的に挿入されることを特徴とする、方法。
- 前記インプラントは、前記インプラントが前記矢状面に対して40°〜50°(好ましくは45°)の角度で前記椎骨において横になるように、前記椎間腔内に導入されることを特徴とする、請求項22に記載の方法。
- 請求項2〜20に記載の1つ以上の特徴がある椎間インプラントは、2つの椎骨間の前記椎間腔内に導入されることを特徴とする、請求項21または22に記載の方法。
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DE102017008592.7A DE102017008592A1 (de) | 2017-09-13 | 2017-09-13 | Zwischenwirbel-lmplantat |
DE102017008592.7 | 2017-09-13 | ||
PCT/EP2018/000426 WO2019052681A1 (de) | 2017-09-13 | 2018-09-05 | Zwischenwirbel-implantat |
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JP2020533118A true JP2020533118A (ja) | 2020-11-19 |
JPWO2019052681A5 JPWO2019052681A5 (ja) | 2024-02-13 |
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JP2020514967A Pending JP2020533118A (ja) | 2017-09-13 | 2018-09-05 | 椎間インプラント |
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EP (1) | EP3500216B1 (ja) |
JP (1) | JP2020533118A (ja) |
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CN (1) | CN111246823B (ja) |
CA (1) | CA3075313A1 (ja) |
DE (1) | DE102017008592A1 (ja) |
ES (1) | ES2892311T3 (ja) |
WO (1) | WO2019052681A1 (ja) |
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US10449051B2 (en) | 2015-04-29 | 2019-10-22 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with curved bone contacting elements |
EP3760166A1 (en) | 2015-04-29 | 2021-01-06 | Institute For Musculoskeletal Science And Education, Ltd. | Coiled implants and systems |
US10478312B2 (en) | 2016-10-25 | 2019-11-19 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with protected fusion zones |
US10357377B2 (en) | 2017-03-13 | 2019-07-23 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with bone contacting elements having helical and undulating planar geometries |
US10512549B2 (en) | 2017-03-13 | 2019-12-24 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with structural members arranged around a ring |
US10744001B2 (en) | 2017-11-21 | 2020-08-18 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with improved bone contact |
US10940015B2 (en) | 2017-11-21 | 2021-03-09 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with improved flow characteristics |
CN111938883A (zh) * | 2020-09-16 | 2020-11-17 | 吉林大学 | 一种仿生椎间盘 |
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- 2017-09-13 DE DE102017008592.7A patent/DE102017008592A1/de not_active Withdrawn
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- 2018-09-05 CA CA3075313A patent/CA3075313A1/en active Pending
- 2018-09-05 EP EP18772731.8A patent/EP3500216B1/de active Active
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- 2018-09-05 JP JP2020514967A patent/JP2020533118A/ja active Pending
- 2018-09-05 ES ES18772731T patent/ES2892311T3/es active Active
- 2018-09-05 US US16/646,793 patent/US11376133B2/en active Active
- 2018-09-05 WO PCT/EP2018/000426 patent/WO2019052681A1/de unknown
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JP2008534135A (ja) * | 2005-03-28 | 2008-08-28 | ウォーソー・オーソペディック・インコーポレーテッド | 側方進入路を含む脊椎システムおよび方法 |
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JP2016527982A (ja) * | 2013-08-14 | 2016-09-15 | ジョイマックス ゲーエムベーハー | 椎間ケ−ジ |
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CN111246823A (zh) | 2020-06-05 |
KR102628245B1 (ko) | 2024-01-24 |
CN111246823B (zh) | 2023-11-21 |
WO2019052681A1 (de) | 2019-03-21 |
DE102017008592A1 (de) | 2019-03-14 |
DE102017008592A8 (de) | 2020-08-20 |
KR20200053515A (ko) | 2020-05-18 |
US11376133B2 (en) | 2022-07-05 |
EP3500216B1 (de) | 2021-07-28 |
CA3075313A1 (en) | 2019-03-21 |
ES2892311T3 (es) | 2022-02-03 |
EP3500216A1 (de) | 2019-06-26 |
US20200268523A1 (en) | 2020-08-27 |
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