JP2012501234A - 隣接する椎体に接続するためのブレードを有する椎間インプラント - Google Patents
隣接する椎体に接続するためのブレードを有する椎間インプラント Download PDFInfo
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- JP2012501234A JP2012501234A JP2011525291A JP2011525291A JP2012501234A JP 2012501234 A JP2012501234 A JP 2012501234A JP 2011525291 A JP2011525291 A JP 2011525291A JP 2011525291 A JP2011525291 A JP 2011525291A JP 2012501234 A JP2012501234 A JP 2012501234A
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- Prior art keywords
- blade
- implant
- intervertebral implant
- vertebral body
- trailing
- 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.)
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Abstract
【選択図】 図9B
Description
本出願は、その内容の全体が引用によりここに組み入れられる、2008年9月2日付で出願された「ANGLED PLATE BONE CONNECTING DEVICE」という名称の米国仮特許出願番号第61/093,514号に基づく優先権を主張する。
2:長手方向軸線
3:前後方向軸線
4:内外方向軸線
10、110、210、310、410、410’:スペーサ部
11、411:上面
12、412:底面
13、413:第1の側面
14、414:第2の側面
15、415:リーディング面
16、416:トレーリング面
25、125、225、325、425:ブレード受け入れチャネル
50、50’、50’’、50’’’、150、250、350、450、450’:ブレード要素
52、152、352:上部
54、154、354:下部
56、156、356、456:トレーリング部
75:ブロッキング・プレート
80:ファスナ
96:垂直開口部、窓又はチャネル
112、212、312:陥凹部
230、430、430’:プレート部
360、460:円柱ピン
500:挿入及びガイド用器具
510:シャフト
520:ガイド
530:切削工具
D:椎間板空間
V:椎体
θ:第1のブレード角度
Δ:第2のブレード角度
Claims (20)
- 第1の椎体と第2の椎体との間の椎間板空間内に挿入するための椎間インプラントであって、
前記第1の椎体に接するための上面と、前記第2の椎体に接するための底面と、第1の側面と、第2の側面と、リーディング面と、トレーリング面と、を有し、さらに、第1及び第2のブレード受け入れチャネルを有するスペーサ部と、
各々が、前記第1の椎体に係合するための上部と、前記第2の椎体に係合するための下部と、前記上部と前記下部とを作動的に結合するための中間部と、を含み、前記中間部が、前記第1及び第2のブレード受け入れチャネルのうちの一方の中に挿入されるように適合された、前記第1及び第2の椎体に対して前記椎間インプラントを保持するための第1及び第2のブレード要素と、
を備えることを特徴とする椎間インプラント。 - 前記スペーサ部が、前記上面と前記底面との間に延びる長手方向軸線を含み、前記第1及び第2のブレード要素の各々が、前記長手方向軸線に対して第1のブレード角度で斜角をなし、前記第1及び第2のブレード要素の前記上部及び前記下部が、実質的に平坦なブレード及び円柱ピンから成る群から選択される請求項1に記載の椎間インプラント。
- 前記第1及び第2のブレード要素が、第1及び第2の円柱ピンで構成される請求項1に記載の椎間インプラント。
- 前記第1のブレード要素の前記上部、前記下部、及び前記中間部が一体成形され、前記第2のブレード要素の前記上部、前記下部、及び前記中間部が一体成形される請求項1に記載の椎間インプラント。
- 組み立てられた構成において、前記第1及び第2のブレード要素の前記上部が前記スペーサ部の前記上面の上方に延び、前記第1及び第2のブレード要素の前記下部が前記スペーサ部の前記底面の下方に延びる請求項1に記載の椎間インプラント。
- 前記第1及び第2のブレード受け入れチャネルが、前記スペーサ部の前記トレーリング端面内に少なくとも部分的に定められる請求項1に記載の椎間インプラント。
- ファスナ孔を内部に有するブロッキング要素と、
前記ファスナ孔内に取り付けるためのファスナと
組み立てられた構成において、前記第1及び第2のブレード受け入れチャネル内に前記ブレード要素が挿入された後で前記第1及び第2のブレード要素の少なくとも一部を受け入れるための、前記スペーサ部に形成された陥凹部と
をさらに備え、前記ブロッキング要素が前記プレート部に前記ファスナによって結合される請求項6に記載の椎間インプラント。 - 第1の椎体と第2の椎体との間の椎間板空間内に挿入するための椎間インプラントであって、
前記第1の椎体に接するための上面と、前記第2の椎体に接するための底面と、第1の側面と、第2の側面と、リーディング面と、トレーリング面とを有し、前記第1及び第2の側面が各々、前記リーディング面及び前記トレーリング面の各々の長さよりも長い長さを有する、スペーサ部と、
上面と、底面と、第1の側面と、第2の側面と、前記スペーサ部の前記トレーリング面に作動的に接するためのリーディング面と、トレーリング面とを有し、前記スペーサ部に結合する、プレート部と、
第1の円柱ピンと、第2の円柱ピンと、前記第1及び第2の円柱ピンを前記プレート部に結合する中間部とを含む少なくとも1つのブレード要素と、を備え、
組み立てられた構成において、前記第1の円柱ピンが前記スペーサ部の前記上面に対して上方に位置決めされ、前記第2の円柱ピンが前記スペーサ部の前記底面に対して下方に位置決めされることを特徴とするインプラント。 - 前記プレート部がブレード受け入れチャネルを含み、組み立てられた構成において、前記中間部が前記ブレード受け入れチャネルに受け入れられる請求項8に記載の椎間インプラント。
- 植え込まれた構成において、前記第1及び第2の円柱ピンが各々、前記第1及び第2の椎体内に予め穿孔されたボアホールの中に受け入れられるように適合される請求項8に記載の椎間インプラント。
- 前記第1の円柱ピン、前記第2の円柱ピン及び前記中間部が一体成形される請求項8に記載の椎間インプラント。
- 前記第1の円柱ピン、前記第2の円柱ピン、前記中間部及び前記プレート部が一体成形される請求項8に記載の椎間インプラント。
- 更に、ファスナ孔を内部に有するブロッキング要素と、
前記ファスナ孔に取り付けるためのファスナと、
組み立てられた構成において、前記少なくとも1つのブレード要素の前記中間部を受け入れるための、前記プレート部に形成された陥凹部と、を備え、
前記ブロッキング要素が前記プレート部に前記ファスナによって結合される請求項8に記載の椎間インプラント。 - 第1の椎体と第2の椎体との間の椎間板空間内に挿入及びガイド用器具によって椎間インプラントを挿入する方法であって、前記インプラントは、スペーサ部と、ブレード要素と、プレート部とを備え、前記プレート部はその中に形成されたブレード受け入れチャネルを備え、前記方法は、
a)前記インプラントを前記挿入及びガイド用器具に結合するステップと、
b)前記椎間板空間への通路を形成するステップと、
c)前記インプラントを前記挿入及びガイド用器具によって前記通路を通して前記椎間板空間内に挿入するステップと、
d)前記挿入及びガイド用器具に案内されるドリルを用いて、前記第1の椎体内に第1のボアホール、及び前記第2の椎体内に第2のボアホールを穿孔するステップと、
e)前記プレート部のトレーリング面に形成された前記ブレード受け入れチャネル内に前記ブレード要素を挿入するステップと、
f)前記ブレード要素に関連付けられた第1の円柱ピンを前記第1のボアホールに挿入し、かつ前記ブレード要素に関連付けられた第2の円柱ピンを前記第2のボアホールに挿入するステップと、
g)前記通路を閉鎖するステップと、
を有することを特徴とする方法。 - 前記ステップ(b)の前記椎間インプラントを挿入するための前記通路が、直接側方からの経腰筋アプローチによって形成される請求項14に記載の方法。
- 前記通路が、ステップ(g)において、前記インプラントを前記第1及び第2の椎体に固定するためのいずれかの追加の補助的な剛性固定技術を提供することなく閉鎖される請求項14に記載の方法。
- (h)ブロッキング要素を前記プレート部に結合するステップをさらに含み、前記ブロッキング要素は、ステップ(e)において前記ブレード要素が前記ブレード受け入れチャネルに挿入された後、前記ブレード要素の少なくとも一部に部分的に重なる請求項14に記載の方法。
- 第1の椎体と第2の椎体との間の椎間板空間内に挿入するための椎間インプラントであって、
上面と、底面と、第1の側面と、第2の側面と、リーディング面と、トレーリング面とを有するスペーサ部と、
上面と、底面と、第1の側面と、第2の側面と、前記スペーサ部の前記トレーリング面に作動的に接するためのリーディング面と、トレーリング面とを有し、前記トレーリング面内に形成されたブレード陥凹部を含む、プレート部と、
上部と、下部と、中間部とを含み、ほぼC字型形状を有するブレードと、
を備えることを特徴とする椎間インプラント。 - 前記下部及び前記上部がほぼ円柱状の構成を有する請求項18に記載の椎間インプラント。
- 前記下部及び前記上部が実質的に平坦な構成を有する請求項18に記載の椎間インプラント。
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Also Published As
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US20130138217A1 (en) | 2013-05-30 |
CN102137638A (zh) | 2011-07-27 |
EP2328521B1 (en) | 2020-10-21 |
WO2010028045A1 (en) | 2010-03-11 |
US11969356B2 (en) | 2024-04-30 |
US9717602B2 (en) | 2017-08-01 |
BRPI0916548A2 (pt) | 2017-06-27 |
KR20110050466A (ko) | 2011-05-13 |
US11160667B2 (en) | 2021-11-02 |
US10369007B2 (en) | 2019-08-06 |
US9254198B2 (en) | 2016-02-09 |
US8382843B2 (en) | 2013-02-26 |
CA2734507A1 (en) | 2010-03-11 |
EP2328521A1 (en) | 2011-06-08 |
US20160113781A1 (en) | 2016-04-28 |
US20110160866A1 (en) | 2011-06-30 |
US20170296356A1 (en) | 2017-10-19 |
US20220023065A1 (en) | 2022-01-27 |
JP5602739B2 (ja) | 2014-10-08 |
US20190343654A1 (en) | 2019-11-14 |
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