JP2006043464A - 多目的ステムを備えたモジュラー整形外科インプラントシステム - Google Patents
多目的ステムを備えたモジュラー整形外科インプラントシステム Download PDFInfo
- Publication number
- JP2006043464A JP2006043464A JP2005226873A JP2005226873A JP2006043464A JP 2006043464 A JP2006043464 A JP 2006043464A JP 2005226873 A JP2005226873 A JP 2005226873A JP 2005226873 A JP2005226873 A JP 2005226873A JP 2006043464 A JP2006043464 A JP 2006043464A
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- JP
- Japan
- Prior art keywords
- proximal
- adapter
- femoral
- distal
- hole
- 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.)
- Granted
Links
- 239000007943 implant Substances 0.000 title claims abstract description 101
- 210000003127 knee Anatomy 0.000 claims abstract description 86
- 230000000399 orthopedic effect Effects 0.000 claims description 66
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000002054 transplantation Methods 0.000 claims description 4
- 241001227561 Valgus Species 0.000 abstract description 6
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 210000000689 upper leg Anatomy 0.000 description 12
- 238000001356 surgical procedure Methods 0.000 description 7
- 210000002303 tibia Anatomy 0.000 description 6
- 210000000988 bone and bone Anatomy 0.000 description 5
- 210000000629 knee joint Anatomy 0.000 description 4
- 238000011882 arthroplasty Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 210000004417 patella Anatomy 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 206010016654 Fibrosis Diseases 0.000 description 1
- 208000003076 Osteolysis Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 208000029791 lytic metastatic bone lesion Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000003314 quadriceps muscle Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
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Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Abstract
【解決手段】大腿骨アダプターを含む膝インプラントシステム。大腿骨アダプターは、その近位端部にステム延長部をねじ込むことができるようにねじ孔を有する。同じステム延長部を、システムに必要なステム延長部の数を減らすことができるように、脛骨トレイの遠位端部にねじ込むことができる。大腿骨アダプターは、骨幹端スリーブに摩擦結合できるようにテーパ外面を有する。骨幹端スリーブは、同じタイプのステム延長部を前記骨幹端スリーブにねじ込むことができるようにねじ孔を有する。この膝インプラントシステムは、外科医がステム延長部の好適な前後位置及び外反角を選択できるように一群のアダプターを含むことができる。
【選択図】図5
Description
(1)モジュラー整形外科膝インプラントシステムであって、
遠位関節運動面及び近位側を有する遠位大腿骨コンポーネントと、
近位面及び遠位側を有する近位脛骨コンポーネントと、
近位端部及び遠位端部を有するアダプターであって、前記近位端部が前記遠位大腿骨コンポーネントの前記近位側に結合できる大きさ及び形状を有する、前記アダプターと、
雄ねじを有する連結端部、本体、及び反対側端部を有するステム延長部とを含み、
前記ステム延長部の前記連結端部が、前記近位脛骨コンポーネント及び前記アダプターに直接選択的に結合できる大きさ及び形状を有することを特徴とするモジュラー整形外科膝インプラントシステム。
(2)更に、テーパ骨幹端コンポーネントを含み、
このテーパ骨幹端コンポーネントが、近位端部、遠位端部、前記遠位端部で遠位孔を画定する内面、前記近位端部で近位孔を画定する内面を含み、
前記遠位孔が、前記テーパ骨幹端コンポーネントを前記アダプターに取り付けるために前記アダプターの少なくとも一部を受容できる大きさ及び形状を有しており、前記近位孔が、前記ステム延長部の前記連結端部に結合できる大きさ及び形状を有することを特徴とする実施態様(1)に記載のモジュラー整形外科膝インプラントシステム。
(3)前記アダプターが外面を有しており、その外面と前記テーパ骨幹端コンポーネントの前記遠位孔が、組み立てられた時に互いに摩擦固定する大きさ及び形状を有することを特徴とする実施態様(2)に記載のモジュラー整形外科膝インプラントシステム。
(4)前記ステム延長部の前記本体が、大腿骨の髄内腔及び脛骨の髄内腔の中に挿入できる大きさ及び形状を有することを特徴とする実施態様(1)に記載のモジュラー整形外科膝インプラントシステム。
(5)前記ステム延長部の前記連結端部が雄ねじを有することを特徴とする実施態様(1)に記載のモジュラー整形外科膝インプラントシステム。
(7)前記アダプターが、
前記アダプターの前記遠位端部で、中心長軸を有する遠位孔を画定する遠位内面と、
前記アダプターの前記近位端部で、中心長軸を有する近位孔を画定する近位内面とを含み、
前記近位孔の前記中心長軸が、内側‐外側方向に延在する平面で見ると前記遠位孔の前記中心長軸に対して鋭角を成しており、
前記近位孔の前記近位内面にねじが設けられていることを特徴とする実施態様(1)に記載のモジュラー整形外科膝インプラントシステム。
(8)前記遠位孔の前記中心長軸と前記近位孔の前記中心長軸が、前後方向に延在する平面で見ると同一直線上にあることを特徴とする実施態様(7)に記載のモジュラー整形外科膝インプラントシステム。
(9)前記遠位孔の前記中心長軸が、前後方向に延在する平面で見ると、前記近位孔の前記中心長軸に対してオフセットし平行であることを特徴とする実施態様(7)に記載のモジュラー整形外科膝インプラントシステム。
(10)前記アダプターが、一平面に延在する近位端面及び非平行な平面に延在する遠位端面を有することを特徴とする実施態様(1)に記載のモジュラー整形外科膝インプラントシステム。
前記遠位端部が、前記遠位大腿骨コンポーネントの前記近位側に結合できる大きさ及び形状を有しており、
前記各アダプターが、一平面に延在する近位端面及び非平行な平面に延在する遠位端面を有しており、
前記2つのアダプターの前記遠位端面の平面が前記近位端面の平面と異なった角度を画定していることを特徴とする実施態様(1)に記載のモジュラー整形外科膝インプラントシステム。
(12)更に複数のステム延長部を含むことを特徴とする実施態様(1)に記載のモジュラー整形外科膝インプラントシステム。
(13)移植用整形外科アダプターであって、
第1の端部及び第2の端部と、
前記第1の端部に中心長軸を有する第1の孔を画定する第1の内面と、
前記第2の端部に中心長軸を有する第2の孔を画定する第2の内面と、
前記端部の一方から前記第2の端部にかけてテーパ状の外面とを含み、
前記内面の少なくとも一方にねじが設けられており、
前記第1の孔の前記中心長軸と前記第2の孔の前記中心長軸が鋭角を成して交差していることを特徴とする移植用整形外科アダプター。
(14)更に、一平面に延在する第1の端面及び非平行な平面に延在する第2の端面を含むことを特徴とする実施態様(13)に記載の移植用整形外科アダプター。
(15)モジュラー整形外科膝インプラントシステムであって、
遠位関節運動面及び近位側を有する遠位大腿骨コンポーネントと、
近位面及び脛骨側を有する近位脛骨コンポーネントと、
前記近位脛骨コンポーネントに形成された脛骨支持面と、
連結端部、本体、及び反対側端部を有するステム延長部と、
近位端部、遠位端部、中心長軸を有する近位孔を画定する内面、及び内側‐外側方向に延在する平面で見ると前記近位孔の前記中心長軸と所定の角度を成す中心長軸を有する遠位孔を画定する内面を含む第1の大腿骨アダプターと、
近位端部、遠位端部、中心長軸を有する近位孔を画定する内面、及び内側‐外側の方向に延在する平面で見ると前記近位孔の前記中心長軸に対して前記第1の大腿骨アダプターの前記角度とは異なる角度を成す中心長軸を有する遠位孔を画定する内面を含む第2の大腿骨アダプターと、
近位端部、遠位端部、前記遠位端部に遠位孔を画定する内面、前記近位端部に近位孔を画定する内面を含むテーパ骨幹端コンポーネントとを含み、
前記テーパ骨幹端コンポーネントの前記遠位孔が、前記テーパ骨幹端コンポーネントを前記アダプターに選択的に取り付けできるように前記各大腿骨コンポーネントの少なくとも一部を選択的に受容できる大きさ及び形状を有しており、
前記ステム延長部の前記連結端部が、前記近位脛骨コンポーネント、前記第1の大腿骨アダプターの前記近位端部、前記第2の大腿骨アダプターの前記近位端部、及び前記テーパ骨幹端コンポーネントの前記近位端部に直接、選択的に結合できる大きさ及び形状を有することを特徴とするモジュラー整形外科膝インプラントシステム。
(17)前記第2の大腿骨アダプターの前記遠位孔の前記中心長軸が、前後方向に延在する平面で見ると前記第2の大腿骨アダプターの前記近位孔の前記中心長軸に対してオフセットし平行であることを特徴とする実施態様(15)に記載のモジュラー整形外科膝インプラントシステム。
(18)前記第1の大腿骨アダプターの前記遠位孔の前記中心長軸と前記第1の大腿骨アダプターの前記近位孔の前記中心長軸が、前後方向に延在する平面で見ると同一直線上にあることを特徴とする実施態様(17)に記載のモジュラー整形外科膝インプラントシステム。
11 モジュラー脛骨インプラント
12 遠位大腿骨コンポーネント
13 脛骨トレイ
14 大腿骨ステム部材
15 脛骨インサート
16 ボルト
17 脛骨ステム延長部
18 大腿骨ステムカラー
20、22 顆状部分
24、26 関節運動面
60 雄ねじ端部
100、102 膝インプラントシステム
104 大腿骨アダプター
104C 前後オフセット大腿骨アダプター
106 大腿骨ボルト
108 骨幹端スリーブ
109 モールステーパ孔
113 スリーブ外面
114、114C テーパ部分
115、115C 近位孔
116、116C 近位端部
117、117C 導入面
118、118C 雌ねじ部分
119、119C 円柱部分
122、122C 遠位端部
123、123C 遠位孔
124、124C 雌ねじ部分
126 雄ねじ部分
127 面取り部分
127C 導入面部分
128 ボス係合面
129、129C 円柱部分
130、130C 横断面
150 膝インプラントシステム
Claims (7)
- モジュラー整形外科膝インプラントシステムであって、
遠位関節運動面及び近位側を有する遠位大腿骨コンポーネントと、
近位面及び遠位側を有する近位脛骨コンポーネントと、
近位端部及び遠位端部を有するアダプターであって、前記近位端部が前記遠位大腿骨コンポーネントの前記近位側に結合できる大きさ及び形状を有する、前記アダプターと、
雄ねじを有する連結端部、本体、及び反対側端部を有するステム延長部とを含み、
前記ステム延長部の前記連結端部が、前記近位脛骨コンポーネント及び前記アダプターに直接選択的に結合できる大きさ及び形状を有することを特徴とするモジュラー整形外科膝インプラントシステム。 - 移植用整形外科アダプターであって、
第1の端部及び第2の端部と、
前記第1の端部に中心長軸を有する第1の孔を画定する第1の内面と、
前記第2の端部に中心長軸を有する第2の孔を画定する第2の内面と、
前記端部の一方から前記第2の端部にかけてテーパ状の外面とを含み、
前記内面の少なくとも一方にねじが設けられており、
前記第1の孔の前記中心長軸と前記第2の孔の前記中心長軸が鋭角を成して交差していることを特徴とする移植用整形外科アダプター。 - 更に、一平面に延在する第1の端面及び非平行な平面に延在する第2の端面を含むことを特徴とする請求項2に記載の移植用整形外科アダプター。
- モジュラー整形外科膝インプラントシステムであって、
遠位関節運動面及び近位側を有する遠位大腿骨コンポーネントと、
近位面及び脛骨側を有する近位脛骨コンポーネントと、
前記近位脛骨コンポーネントに形成された脛骨支持面と、
連結端部、本体、及び反対側端部を有するステム延長部と、
近位端部、遠位端部、中心長軸を有する近位孔を画定する内面、及び内側‐外側方向に延在する平面で見ると前記近位孔の前記中心長軸と所定の角度を成す中心長軸を有する遠位孔を画定する内面を含む第1の大腿骨アダプターと、
近位端部、遠位端部、中心長軸を有する近位孔を画定する内面、及び内側‐外側の方向に延在する平面で見ると前記近位孔の前記中心長軸に対して前記第1の大腿骨アダプターの前記角度とは異なる角度を成す中心長軸を有する遠位孔を画定する内面を含む第2の大腿骨アダプターと、
近位端部、遠位端部、前記遠位端部に遠位孔を画定する内面、前記近位端部に近位孔を画定する内面を含むテーパ骨幹端コンポーネントとを含み、
前記テーパ骨幹端コンポーネントの前記遠位孔が、前記テーパ骨幹端コンポーネントを前記アダプターに選択的に取り付けできるように前記各大腿骨コンポーネントの少なくとも一部を選択的に受容できる大きさ及び形状を有しており、
前記ステム延長部の前記連結端部が、前記近位脛骨コンポーネント、前記第1の大腿骨アダプターの前記近位端部、前記第2の大腿骨アダプターの前記近位端部、及び前記テーパ骨幹端コンポーネントの前記近位端部に直接、選択的に結合できる大きさ及び形状を有することを特徴とするモジュラー整形外科膝インプラントシステム。 - 前記第1の大腿骨アダプターの前記遠位孔の前記中心長軸と前記第1の大腿骨アダプターの前記近位孔の前記中心長軸が、前後方向に延在する平面で見ると同一直線上にあることを特徴とする請求項4に記載のモジュラー整形外科膝インプラントシステム。
- 前記第2の大腿骨アダプターの前記遠位孔の前記中心長軸が、前後方向に延在する平面で見ると前記第2の大腿骨アダプターの前記近位孔の前記中心長軸に対してオフセットし平行であることを特徴とする請求項4に記載のモジュラー整形外科膝インプラントシステム。
- 前記第1の大腿骨アダプターの前記遠位孔の前記中心長軸と前記第1の大腿骨アダプターの前記近位孔の前記中心長軸が、前後方向に延在する平面で見ると同一直線上にあることを特徴とする請求項6に記載のモジュラー整形外科膝インプラントシステム。
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JP4642586B2 (ja) | 2011-03-02 |
US20060030945A1 (en) | 2006-02-09 |
AU2005203297B2 (en) | 2010-08-26 |
AU2005203297A1 (en) | 2006-02-23 |
EP1623686A3 (en) | 2011-03-30 |
US8366782B2 (en) | 2013-02-05 |
EP1623686B1 (en) | 2012-08-22 |
EP1623686A2 (en) | 2006-02-08 |
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