JP2012143562A - 肩プロテーゼの上腕骨構成要素 - Google Patents
肩プロテーゼの上腕骨構成要素 Download PDFInfo
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Abstract
【解決手段】肩プロテーゼの上腕骨構成要素は、シャンクおよび上シャンク部分を有し、上シャンク部分がステム支持面を有するステム・モジュールを備える。関節アダプタは、ライナまたは球形のキャップを保持するように適合されている。関節アダプタは、ステム支持面とインタフェースするアダプタ支持面を備える。さらに、ステム支持面およびアダプタ支持面は、放射弧形の対応する断面を備え、これらの放射弧形の対応する断面は、異なる複数の傾斜角で、関節アダプタをステム・モジュールに対して位置決めすることを可能にする。関節アダプタをステム・モジュールに固定するため、ボルトまたはねじが使用される。
【選択図】図1
Description
1a シャンク
1b 上シャンク部分
1c ステム支持面
1d 内側境界
1e 外側境界
1f 凹み
1g 空洞の表面開口
1h 表面の下方の空洞
1i 空洞の拡大された表面開口
1k 円筒形の遠位アスペクト
1m 追加のボディを取り付けるためのフィーチャ
1n 縫合ワイヤを取り付けるための穴
1o ねじのための穴
1p ねじのための穴
1q 突起
1r キー
2 関節アダプタ
2a 穴
2b 後面
2c 背面
2d アダプタ支持面
2e 突起
2f 外周溝
2g 突起
2h 凹み
2i スロット
2r スロット
2s スロット
2x ボルトまたはねじを挿入するための穴
2y ボルトまたはねじを挿入するための穴
2z ボルトまたはねじを挿入するための穴
3 ライナ
3a へこんだ球形の凹部
3b 内面
3c 外面
4 ボルトまたはねじ
4a ねじが切られた近位部分
4b 球形の遠位部分
4c 雄型ポスト
4d 拡張式ねじ
5 遠位シャフト
5a 遠位ボディ
5b 近位フィーチャ
6 トラニオン
6a 前面
6b 突起
6c 空洞
6d アダプタ支持面
6e 突起
6f 突起の境界
7 リバース型トラニオン
7a 中央の球形のフォーム
8 球形のキャップ
10 円筒の中心軸
11 円筒の半径
12 円筒殻
13 傾斜角
Claims (12)
- シャンク(1a、1b)および上シャンク部分(1b)を有し、前記上シャンク部分(1b)がステム支持面(1c)を有するステム・モジュール(1)と、
ライナ(3)または球形のキャップ(8)を保持するように適合された関節アダプタ(2、6、7)であり、前記ステム支持面(1c)とインタフェースするアダプタ支持面(2d)を有する関節アダプタ(2、6、7)と
を備える肩プロテーゼの上腕骨構成要素において、
前記ステム・モジュール(1)の縦軸と前記関節アダプタ(2、6、7)の中心軸との間の異なる複数の傾斜角で、前記関節アダプタ(2、6、7)を前記ステム・モジュールに対して位置決めするために、前記ステム支持面(1c)および前記アダプタ支持面(2d)が、半径(11)および中心軸(10)を有する円筒殻表面の弓形を有するほぼ放射弧形の対応する断面を備え、
前記関節アダプタ(2、6、7)が、ボルトもしくはねじ(4)によって、または他の幾何学的手段によって前記ステム・モジュール(1)に固定される
ことを特徴とする肩プロテーゼの上腕骨構成要素。 - 前記関節アダプタ(2、6、7)が前記ステム・モジュール(1)に対してピボット回転することを防ぐために、前記ステム支持面(1c)および前記アダプタ支持面(2d)が、対応する突起(2e)および/または凹み(1f)を備えることを特徴とする、請求項1に記載の肩プロテーゼの上腕骨構成要素。
- 前記ステム・モジュールの前記放射弧形の断面(1c)が、前記ステム・モジュール(1)の最も近位側のアスペクトの内側境界(1d)から、または前記内側境界(1d)内から、外側境界(1e)まで延びることを特徴とする、請求項1または2に記載の肩プロテーゼの上腕骨構成要素。
- 少なくとも1つの穴(1o、1p)が前記ステム・モジュール(1)に形成されて、前記ステム・モジュール(1)に対する代替位置に前記関節アダプタ(2、6、7)を固定するために前記穴のうちの少なくとも1つの中に前記ボルトまたはねじ(4)を固定することが可能になることを特徴とする、請求項1〜3のいずれか一つに記載の肩プロテーゼの上腕骨構成要素。
- 前記ボルトまたはねじを保持するために、前記ステム・モジュール(1)の表面から前記ステム・モジュールのボディ内で連続した単一の空洞(1g、1h)が形成されていることを特徴とする、請求項1〜4のいずれか一つに記載の肩プロテーゼの上腕骨構成要素。
- 前記表面の下方の前記空洞のかなりの部分(1h)の幅を、前記表面の開口(1g)の幅よりも大きくすることができることを特徴とする、請求項5に記載の肩プロテーゼの上腕骨構成要素。
- 前記関節アダプタ(2、6、7)を前記ステム・モジュール(1)に固定するため、ねじが切られた近位部分(4a)および球形の遠位部分(4b)を備えるボールねじが使用されることを特徴とする、請求項1〜6のいずれか一つに記載の肩プロテーゼの上腕骨構成要素。
- 前記関節アダプタ(2)が、前記傾斜角に応じてボルトまたはねじ(4)を挿入するための複数の穴(2x、2y、2z)を備えることを特徴とする、請求項1〜7のいずれか一つに記載の肩プロテーゼの上腕骨構成要素。
- 前記関節アダプタ(2)がカップ形であり、ライナ(3)を保持するように適合されていることを特徴とする、請求項1〜8のいずれか一つに記載の肩プロテーゼの上腕骨構成要素。
- 前記ライナ(3)が、表面(3b)から始まり中心に向かって配置されたへこんだ球形の凹部(3a)を備えることを特徴とする、請求項9に記載の肩プロテーゼの上腕骨構成要素。
- 前記関節アダプタ(2)が、球形のキャップ(8)を保持するための、またはへこんだ球形の凹部(3a)を備えるライナ(3)を保持するためのトラニオン(6)であることを特徴とする、請求項1〜8のいずれか一つに記載の肩プロテーゼの上腕骨構成要素。
- 前記トラニオン(6)が、前記関節アダプタを貫通して中心に配置された空洞(6c)を備えた突起(6b)によって交差した前記アダプタ支持面(6d)の反対側に、実質的に平らな前面(6a)を、備えることを特徴とする、請求項11に記載の肩プロテーゼの上腕骨構成要素。
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US201161431606P | 2011-01-11 | 2011-01-11 | |
EP11150616A EP2474289A1 (en) | 2011-01-11 | 2011-01-11 | Humeral component of a shoulder prosthesis |
EP11150616.8 | 2011-01-11 |
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Also Published As
Publication number | Publication date |
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EP2474290A1 (en) | 2012-07-11 |
US8663333B2 (en) | 2014-03-04 |
EP2474290B1 (en) | 2016-03-23 |
EP2474289A1 (en) | 2012-07-11 |
JP5723793B2 (ja) | 2015-05-27 |
US20140188232A1 (en) | 2014-07-03 |
US20120179262A1 (en) | 2012-07-12 |
US9421105B2 (en) | 2016-08-23 |
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