JPWO2019052681A5 - - Google Patents

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JPWO2019052681A5
JPWO2019052681A5 JP2020514967A JP2020514967A JPWO2019052681A5 JP WO2019052681 A5 JPWO2019052681 A5 JP WO2019052681A5 JP 2020514967 A JP2020514967 A JP 2020514967A JP 2020514967 A JP2020514967 A JP 2020514967A JP WO2019052681 A5 JPWO2019052681 A5 JP WO2019052681A5
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JP
Japan
Prior art keywords
intervertebral implant
outer frame
intervertebral
implant according
lattice
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Pending
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JP2020514967A
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Japanese (ja)
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JP2020533118A (en
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Priority claimed from DE102017008592.7A external-priority patent/DE102017008592A1/en
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Publication of JP2020533118A publication Critical patent/JP2020533118A/en
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Claims (17)

支持部（１．１）と、長手方向に前記支持部（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、
前記椎間インプラント（１）は、前記椎間インプラント（１）の外面に外側フレーム（１．８）を有し、
前記椎間インプラント（１）は格子体（７）を有し、前記格子体（７）は、内部コア（１．９）を有し、外側フレーム（１．８）内に配置され、前記内部コア（１．９）の外側の形状は外側フレーム（１．８）の内部形状に合うように形成され、
前記椎間インプラント（１）の高さは、前記椎間インプラント（１）を遠位端面から見た場合、前記椎間インプラント（１）の右側側面（１．５）が、反対の左側側面（１．４）よりも大きく、
移行エリア（Ｕ）が、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、
前記移行エリア（Ｕ）は、前記上側（１．６）が上に凹となり、前記下側（１．７）が下に凹となるように、長手方向に弓なりに湾曲していることを特徴とする、椎間インプラント。 An intervertebral implant (1) with a support part (1.1) and a proximal contact part (1.3) longitudinally adjacent said support part (1.1), the upper side (1.6 ) and the lower side (1.7) are formed symmetrically with respect to the horizontal center plane (L-Q),
The intervertebral implant (1) has an outer frame (1.8) on the outer surface of the intervertebral implant (1);
Said intervertebral implant (1) has a lattice body (7), said lattice body (7) having an inner core (1.9), arranged in an outer frame (1.8) and said inner core (1.9). the outer shape of the core (1.9) is shaped to match the inner shape of the outer frame (1.8);
The height of the intervertebral implant (1) is such that when the intervertebral implant (1) is viewed from the distal end, the right side (1.5) of the intervertebral implant (1) is higher than the opposite left side. greater than (1.4),
a transition area (U) is formed between said support part (1.1) and said proximal contact part (1.3);
The transition area (U) is curved in an arch in the longitudinal direction so that the upper side (1.6) is upwardly concave and the lower side (1.7) is downwardly concave. and intervertebral implants. 前記外側フレーム（１．８）は、前記外側フレーム（１．８）の外面に複数の開口部を有し、
前記近位接触部（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（１．１）における前記上側（１．６）及び前記下側（１．７）の間の高さは、前記移行エリア（Ｕ）における前記上側（１．６）及び前記下側（１．７）の間の高さ及び前記遠位端面（１．２）における前記上側（１．６）及び前記下側（１．７）の間の高さよりも大きくなることを特徴とする、請求項１に記載の椎間インプラント。 The outer frame (1.8) has a plurality of openings on the outer surface of the outer frame (1.8) ,
said upper side (1.6) and said lower side (1. .7) between the upper side (1.6) and the lower side (1.7) in the transition area (U) and the height between the upper side (1.6) and the lower side (1.7) at the distal end surface (1.2) . Intervertebral implant according to claim 1 , characterized in that it is greater than the height between the upper side (1.6) and the lower side (1.7) . 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）との間に形成されることを特徴とする、請求項２に記載の椎間インプラント。 The maximum height is between the transition area (U) to the proximal contact part (1.3) and the distal end face (1.2) facing away from the proximal contact part (1.3). Intervertebral implant according to claim 2 , characterized in that it is formed between. 前記格子体（７）は、
前記椎間インプラント（１）を上方から見たときに前記椎間インプラント（１）の長手軸に対して垂直な方向である横断方向に平行的に延びる表面（７．３－７．６）と、
前記長手軸に対して平行な方向である縦断方向に平行的に延びる表面（７．８）及び該表面（７．８）よりも外側に平行的に延びる面である縁（７．９）と、を有し、
前記表面（７．３－７．６）でのみ、前記外側フレーム（１．８）に接続されるが、前記表面（７．８）及び前記縁（７．９）では、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１に記載の椎間インプラント。 The lattice body (7) is
surfaces (7.3-7.6) extending parallel to a transverse direction, which is a direction perpendicular to the longitudinal axis of the intervertebral implant (1) when the intervertebral implant (1) is viewed from above; and,
a surface (7.8) extending parallel to the longitudinal direction, which is a direction parallel to said longitudinal axis, and an edge (7.9) being a surface extending parallel to the outside of said surface (7.8); , has
Only at said surfaces (7.3-7.6) is it connected to said outer frame (1.8), but at said surface (7.8) and at said edge (7.9) is said outer frame ( Intervertebral implant according to claim 1, characterized in that it is not connected to 1.8). 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）と一体的に形成されてい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椎間インプラント。 characterized in that said outer frame (1.8) defines an outer contour and is integrally formed with said inner core (1.9) located within said outer frame (1.8), Intervertebral implant according to any one of claims 1 to 4 . 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１～５のいずれか一項に記載の椎間インプラント。 Intervertebral implant according to any one of claims 1 to 5 , characterized in that it is produced by sintering, such as by laser sintering. 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１～６のいずれか一項に記載の椎間インプラント。 Intervertebral implant according to any one of claims 1 to 6 , characterized in that it is produced by electron beam dissolution, in particular by selective electron beam dissolution. 前記内部コア（１．９）の上側表面及び下側表面（７．１０）は、前記外側フレーム（１．８）の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（７）の前記上側表面及び下側表面（７．１０）を囲むことを特徴とする、請求項１～７のいずれか一項に記載の椎間インプラント。 The upper and lower surfaces (7.10) of said inner core (1.9) have the same dimensions as the open space surrounded by the frame components of said outer frame (1.8), said open space being , surrounding the upper and lower surfaces (7.10) of the lattice ( 7 ), according to any one of the preceding claims. 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）が配置される開放空間を囲むことを特徴とする、請求項１～８のいずれか一項に記載の椎間インプラント。 9. One of claims 1 to 8 , characterized in that the outer frame (1.8) surrounds an open space in which the inner core (1.9) designed as a grid (7) is arranged. Intervertebral implants as described in Section. 前記外側フレーム（１．８）は、前記外側フレーム（１．８）の前記長手方向に伸びる縦リブを有す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椎間インプラント。 Intervertebral implant according to any one of claims 1 to 9 , characterized in that the outer frame (1.8) has longitudinal ribs extending in the longitudinal direction of the outer frame (1.8). . 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１～１０のいずれか一項に記載の椎間インプラント。 Intervertebral implant according to any one of claims 1 to 10 , characterized in that the lattice (7) has a diamond structure. 前記椎間インプラント（１）は前記長手方向の中心軸（Ｌ）に沿って連続通路を有することを特徴とする、請求項１～１１のいずれか一項に記載の椎間インプラント。 Intervertebral implant according to any one of claims 1 to 11 , characterized in that the intervertebral implant (1) has a continuous passage along the central longitudinal axis (L). 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１～１２のいずれか一項に記載の椎間インプラント。 Intervertebral implant according to any one of claims 1 to 12 , characterized in that the lattice body (7) has a lattice opening diameter of each opening between 0.5 mm and 3.5 mm. 前記格子体（７）は、前記椎間インプラント（１）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１３に記載の椎間インプラント。 According to claim 13 , the lattice (7) has an opening diameter of each opening on the outside of the intervertebral implant (1) of a size of approximately 0.5 mm to 0.7 mm. Intervertebral implants as described. 前記椎間インプラント（１）を挿入器具に接続するための前記近位接触部（１．３）は前記椎間インプラント（１）の側壁の内側にアンダーカット凹部を有し、前記アンダーカット凹部は、接続する前記挿入器具と前記椎間インプラント（１）との間の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１～１４のいずれか一項に記載の椎間インプラント。 The proximal contact part (1.3) for connecting the intervertebral implant (1) to an insertion instrument has an undercut recess inside the side wall of the intervertebral implant (1), the undercut recess being , allowing an angularly movable undercut connection between the connecting insertion instrument and the intervertebral implant (1). Intervertebral implants as described. 前記近位接触部（１．３）は、接続する挿入器具と前記椎間インプラント（１）との間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１～１５のいずれか一項に記載の椎間インプラント。 Said proximal contact part (1.3) is characterized in that it has a notch on its upper side, allowing an angular movement between the connecting insertion instrument and said intervertebral implant (1). , an intervertebral implant according to any one of claims 1 to 15 . 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１～１６のいずれか一項に記載の椎間インプラント。 The proximal end surface of the proximal contact portion (1.3) has a serration, the serration is specifically formed continuously on a circular section in the vertical direction, and the serration Intervertebral implant according to any one of claims 1 to 16 , characterized in that the intervertebral implants are arranged on both sides of a proximal passage formed in the center of the proximal end surface.
JP2020514967A 2017-09-13 2018-09-05 Intervertebral implant Pending JP2020533118A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102017008592.7A DE102017008592A1 (en) 2017-09-13 2017-09-13 Intervertebral implant
DE102017008592.7 2017-09-13
PCT/EP2018/000426 WO2019052681A1 (en) 2017-09-13 2018-09-05 Intervertebral implant

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Publication Number Publication Date
JP2020533118A JP2020533118A (en) 2020-11-19
JPWO2019052681A5 true JPWO2019052681A5 (en) 2024-02-13

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US (1) US11376133B2 (en)
EP (1) EP3500216B1 (en)
JP (1) JP2020533118A (en)
KR (1) KR102628245B1 (en)
CN (1) CN111246823B (en)
CA (1) CA3075313A1 (en)
DE (1) DE102017008592A1 (en)
ES (1) ES2892311T3 (en)
WO (1) WO2019052681A1 (en)

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US10940015B2 (en) 2017-11-21 2021-03-09 Institute for Musculoskeletal Science and Education, Ltd. Implant with improved flow characteristics
US10744001B2 (en) 2017-11-21 2020-08-18 Institute for Musculoskeletal Science and Education, Ltd. Implant with improved bone contact
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