JP2015521919A - 横方向挿入脊椎インプラント - Google Patents
横方向挿入脊椎インプラント Download PDFInfo
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- JP2015521919A JP2015521919A JP2015520630A JP2015520630A JP2015521919A JP 2015521919 A JP2015521919 A JP 2015521919A JP 2015520630 A JP2015520630 A JP 2015520630A JP 2015520630 A JP2015520630 A JP 2015520630A JP 2015521919 A JP2015521919 A JP 2015521919A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- 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
- A61F2/447—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 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
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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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- A61F2/4465—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 kidney shaped cross-section substantially perpendicular to the axis of the spine
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- Neurology (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
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- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
(1) 上位椎体と下位椎体との間の椎間板腔に挿入するための脊椎インプラントであって、
近位ベース部分と、遠位端と、第1の側壁と、対向する第2の側壁と、を有するスペーサ本体と、
第1の側面と、第2の側面と、前面と、後面と、前記後面から延在する一対の対向する連結フランジと、を有するプレートであって、前記プレートの横方向中心面の周りにそれぞれ配置される少なくとも1つの上部ボアホール及び少なくとも1つの下部ボアホールを形成する、プレートと、を備え、
前記プレートが、前記対向する連結フランジの機械的連結によって前記スペーサ本体に固定され、
前記少なくとも1つの上部ボアホール及び前記少なくとも1つの下部ボアホールが、前記椎間板腔内に前記脊椎インプラントを固定するために、それぞれ骨ネジを受容するように適合される、脊椎インプラント。
(2) 前記一対の対向する連結フランジのうちの少なくとも1つが、前記第1の側壁及び前記第2の側壁のうちの対応する1つの中に含まれるそれぞれの凹部内に受容されるように適合される、内向きの突出部を有する、実施態様1に記載の脊椎インプラント。
(3) 前記凹部が、それぞれの前記第1の側壁及び前記第2の側壁の一部のみに沿って延在する、実施態様2に記載の脊椎インプラント。
(4) 前記凹部が、それぞれの前記第1の側壁及び前記第2の側壁の全体に沿って延在する、実施態様2に記載のインプラント。
(5) 前記近位ベース部分が、前記第1の側壁と前記第2の側壁との間で測定されるとき、前記スペーサ本体の幅より小さい幅を有する、実施態様1に記載のインプラント。
(7) 前記少なくとも1つの上部ボアホール及び前記少なくとも1つの下部ボアホールが、前記プレートに対して固定された角度で前記骨ネジを係止するために、前記骨ネジのネジ付き頭部を受容するように適合される係止ネジ山を含む、実施態様1に記載の脊椎インプラント。
(8) 前記プレートの前記第1の側面が、前記椎間板腔に対して前方の位置に配置され、前記プレートの前記第2の側面が前記椎間板腔に対して後方の位置に配置される、実施態様1に記載のインプラント。
(9) 前記少なくとも1つの上部ボアホールが前記プレートの前記第1の側面に近接して配置され、前記少なくとも1つの下部ボアホールが前記プレートの前記第2の側面に配置される、実施態様8に記載のインプラント。
(10) 前記少なくとも1つの上部ボアホールが、前記少なくとも1つの上部ボアホールに挿入された第1の骨ネジが前記椎間板腔の後方側に向かう方向に角度をなすように構成され、
前記少なくとも1つの下部ボアホールが、前記少なくとも1つの下部ボアホールに挿入された第2の骨ネジが直線方向又は前記椎間板腔の前方側に向かう方向のうちの少なくとも1つの方向に角度をなすように構成される、実施態様9に記載のインプラント。
(12) 前記少なくとも1つの下部ボアホールが、前記第1の側面に近接して形成される第1の下部ボアホールと、前記第2の側面に近接して形成される第2の下部ボアホールと、を含み、前記第1の下部ボアホール及び前記第2の下部ボアホールが、前記プレートの前記横方向中心面の周りにそれぞれ配置される、実施態様1に記載の脊椎インプラント。
(13) 前記少なくとも1つの下部ボアホールが、前記プレートの前記横方向中心面に対して約5度〜20度の角度で形成された中心軸を有し、前記少なくとも1つの上部ボアホールが、前記プレートの前記横方向中心面に対して約5度〜20度の角度で形成された中心軸を有する、実施態様1に記載の脊椎インプラント。
(14) 前記少なくとも1つの上部ボアホールに挿入された第1の骨ネジ及び前記下部ボアホールに挿入された第2の骨ネジが、前記横方向中心面の周りで対称な角度でそれる、実施態様13に記載の脊椎インプラント。
(15) 前記少なくとも1つの上部ボアホールに挿入された第1の骨ネジ及び前記少なくとも1つの下部ボアホールに挿入された第2の骨ネジが、前記横方向中心面の周りで非対称な角度でそれる、実施態様13に記載のインプラント。
(17) 前記少なくとも1つの下部ボアホールが、前記プレートの前記横方向中心面からの距離DLで配置され、前記少なくとも1つの上部ボアホールが、前記プレートの前記横方向中心面からの距離DUで配置され、前記距離DUが、約2.75mm〜6.75mmの範囲であり、前記距離DLが、約2.75mm〜6.75mmの範囲である、実施態様1に記載の脊椎インプラント。
(18) 前記プレートが、約15mm〜23mmの範囲の高さHを有し、垂直方向の前記少なくとも1つの上部ボアホール及び前記少なくとも1つの下部ボアホールの外縁間の距離Qが、約12mm〜20mmの範囲であり得る、実施態様1に記載の脊椎インプラント。
(19) 前記スペーサ本体が、外向きに延在するピラミッド型の歯をそれぞれが有する上面側及び底面側を含む、実施態様1に記載の脊椎インプラント。
(20) 前記スペーサ本体が、そこを通って延在する中央窓を画定し、前記第1の側壁及び前記第2の側壁が、少なくとも1つの窓を画定する、実施態様1に記載の脊椎インプラント。
Claims (20)
- 上位椎体と下位椎体との間の椎間板腔に挿入するための脊椎インプラントであって、
近位ベース部分と、遠位端と、第1の側壁と、対向する第2の側壁と、を有するスペーサ本体と、
第1の側面と、第2の側面と、前面と、後面と、前記後面から延在する一対の対向する連結フランジと、を有するプレートであって、前記プレートの横方向中心面の周りにそれぞれ配置される少なくとも1つの上部ボアホール及び少なくとも1つの下部ボアホールを形成する、プレートと、を備え、
前記プレートが、前記対向する連結フランジの機械的連結によって前記スペーサ本体に固定され、
前記少なくとも1つの上部ボアホール及び前記少なくとも1つの下部ボアホールが、前記椎間板腔内に前記脊椎インプラントを固定するために、それぞれ骨ネジを受容するように適合される、脊椎インプラント。 - 前記一対の対向する連結フランジのうちの少なくとも1つが、前記第1の側壁及び前記第2の側壁のうちの対応する1つの中に含まれるそれぞれの凹部内に受容されるように適合される、内向きの突出部を有する、請求項1に記載の脊椎インプラント。
- 前記凹部が、それぞれの前記第1の側壁及び前記第2の側壁の一部のみに沿って延在する、請求項2に記載の脊椎インプラント。
- 前記凹部が、それぞれの前記第1の側壁及び前記第2の側壁の全体に沿って延在する、請求項2に記載のインプラント。
- 前記近位ベース部分が、前記第1の側壁と前記第2の側壁との間で測定されるとき、前記スペーサ本体の幅より小さい幅を有する、請求項1に記載のインプラント。
- 前記近位ベース部分及び前記連結フランジの全幅が、合わせられると、前記スペーサ本体の前記幅にほぼ等しい、請求項1に記載のインプラント。
- 前記少なくとも1つの上部ボアホール及び前記少なくとも1つの下部ボアホールが、前記プレートに対して固定された角度で前記骨ネジを係止するために、前記骨ネジのネジ付き頭部を受容するように適合される係止ネジ山を含む、請求項1に記載の脊椎インプラント。
- 前記プレートの前記第1の側面が、前記椎間板腔に対して前方の位置に配置され、前記プレートの前記第2の側面が前記椎間板腔に対して後方の位置に配置される、請求項1に記載のインプラント。
- 前記少なくとも1つの上部ボアホールが前記プレートの前記第1の側面に近接して配置され、前記少なくとも1つの下部ボアホールが前記プレートの前記第2の側面に配置される、請求項8に記載のインプラント。
- 前記少なくとも1つの上部ボアホールが、前記少なくとも1つの上部ボアホールに挿入された第1の骨ネジが前記椎間板腔の後方側に向かう方向に角度をなすように構成され、
前記少なくとも1つの下部ボアホールが、前記少なくとも1つの下部ボアホールに挿入された第2の骨ネジが直線方向又は前記椎間板腔の前方側に向かう方向のうちの少なくとも1つの方向に角度をなすように構成される、請求項9に記載のインプラント。 - 前記少なくとも1つの上部ボアホールが、前記第1の側面に近接して形成される第1の上部ボアホールと、前記第2の側面に近接して形成される第2の上部ボアホールと、を含み、前記第1の上部ボアホール及び前記第2の上部ボアホールが、前記プレートの前記横方向中心面の周りにそれぞれ配置される、請求項1に記載の脊椎インプラント。
- 前記少なくとも1つの下部ボアホールが、前記第1の側面に近接して形成される第1の下部ボアホールと、前記第2の側面に近接して形成される第2の下部ボアホールと、を含み、前記第1の下部ボアホール及び前記第2の下部ボアホールが、前記プレートの前記横方向中心面の周りにそれぞれ配置される、請求項1に記載の脊椎インプラント。
- 前記少なくとも1つの下部ボアホールが、前記プレートの前記横方向中心面に対して約5度〜20度の角度で形成された中心軸を有し、前記少なくとも1つの上部ボアホールが、前記プレートの前記横方向中心面に対して約5度〜20度の角度で形成された中心軸を有する、請求項1に記載の脊椎インプラント。
- 前記少なくとも1つの上部ボアホールに挿入された第1の骨ネジ及び前記下部ボアホールに挿入された第2の骨ネジが、前記横方向中心面の周りで対称な角度でそれる、請求項13に記載の脊椎インプラント。
- 前記少なくとも1つの上部ボアホールに挿入された第1の骨ネジ及び前記少なくとも1つの下部ボアホールに挿入された第2の骨ネジが、前記横方向中心面の周りで非対称な角度でそれる、請求項13に記載のインプラント。
- 前記少なくとも1つの下部ボアホールが、前記プレートの前記横方向中心面からの距離DLで配置され、前記少なくとも1つの上部ボアホールが、前記プレートの前記横方向中心面からの距離DUで配置され、DL:DUの比率が1:1である、請求項1に記載の脊椎インプラント。
- 前記少なくとも1つの下部ボアホールが、前記プレートの前記横方向中心面からの距離DLで配置され、前記少なくとも1つの上部ボアホールが、前記プレートの前記横方向中心面からの距離DUで配置され、前記距離DUが、約2.75mm〜6.75mmの範囲であり、前記距離DLが、約2.75mm〜6.75mmの範囲である、請求項1に記載の脊椎インプラント。
- 前記プレートが、約15mm〜23mmの範囲の高さHを有し、垂直方向の前記少なくとも1つの上部ボアホール及び前記少なくとも1つの下部ボアホールの外縁間の距離Qが、約12mm〜20mmの範囲であり得る、請求項1に記載の脊椎インプラント。
- 前記スペーサ本体が、外向きに延在するピラミッド型の歯をそれぞれが有する上面側及び底面側を含む、請求項1に記載の脊椎インプラント。
- 前記スペーサ本体が、そこを通って延在する中央窓を画定し、前記第1の側壁及び前記第2の側壁が、少なくとも1つの窓を画定する、請求項1に記載の脊椎インプラント。
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ES2667628T3 (es) | 2018-05-11 |
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WO2014005154A1 (en) | 2014-01-03 |
US20180303622A1 (en) | 2018-10-25 |
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AU2018200040A1 (en) | 2018-01-25 |
AU2013282268A1 (en) | 2015-01-22 |
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US11717421B2 (en) | 2023-08-08 |
US9943417B2 (en) | 2018-04-17 |
EP2866745B1 (en) | 2018-04-04 |
CN104394804B (zh) | 2017-09-22 |
CN104394804A (zh) | 2015-03-04 |
EP3345576A1 (en) | 2018-07-11 |
US20140012380A1 (en) | 2014-01-09 |
JP6419694B2 (ja) | 2018-11-07 |
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