JP2004202233A - モジュラースリーブを備えた人工大腿骨構成要素 - Google Patents
モジュラースリーブを備えた人工大腿骨構成要素 Download PDFInfo
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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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
- A61F2/30721—Accessories
- A61F2/30734—Modular inserts, sleeves or augments, e.g. placed on proximal part of stem for fixation purposes or wedges for bridging a bone defect
- A61F2002/30736—Augments or augmentation pieces, e.g. wedges or blocks for bridging a bone defect
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0017—Angular shapes
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Abstract
【解決手段】 大腿骨構成要素、大腿骨ステム、大腿骨ステムカラー、調節スリーブ、及びボルトを含むモジュラー人工膝インプラントシステム。このモジュラー人工膝システムは様々な方法で組み立てることができる。調節スリーブを用いないで組み立てた場合はステムが外反角をなす。調節スリーブを用いて組み立てた場合はステムは中立角をなす。ステムカラーは、その上面に対して所定の角度をなした下面を有しており、調節スリーブは、その下面に対して所定の角度をなした上面を有している。構成要素はまた、これらの相対位置を固定するための嵌め合い回転防止部材を含む。
【選択図】 図8
Description
(1)前記ステムカラーの前記下面が前記調節スリーブの上面に配置されるように、前記ステムカラーと前記調節スリーブを組み立てることができることを特徴とする請求項1に記載のモジュラー人工膝インプラントシステム。
(2)前記ステムカラーの前記下面が前記取付け台に配置されるように、前記ステムカラーを前記大腿骨構成要素の取り付けることができることを特徴とする実施態様(1)に記載のモジュラー人工膝インプラントシステム。
(3)前記調節スリーブの前記下面が前記取付け台に配置されるように、前記調節スリーブを前記大腿骨構成要素に取り付けることができることを特徴とする実施態様(2)に記載のモジュラー人工膝インプラントシステム。
(4)前記調節スリーブが、前記上面に設けられた開口、前記下面に設けられた開口、及びそれらの開口間に延在する挿通孔を有することを特徴とする請求項1に記載のモジュラー人工膝インプラントシステム。
(5)前記調節スリーブの前記挿通孔が、前記下面の前記開口に皿穴を有することを特徴とする実施態様(4)に記載のモジュラー人工膝インプラントシステム。
(7)前記調節スリーブの前記上面がある平面に延在し、前記調節スリーブの前記下面が前記平面と非平行な平面に延在することを特徴とする請求項1に記載のモジュラー人工膝インプラントシステム。
(8)前記大腿骨構成要素、前記ステム部材、及び前記調節スリーブが嵌め合い回転防止部材を含み、これにより、前記調節スリーブを用いずに前記大腿骨構成要素、前記ステム部材、及び前記ステムカラーを組み立てると前記取付け台に対して前記ステム部材の位置が固定され、前記大腿骨構成要素、前記ステム部材、前記ステムカラー、及び前記調節スリーブを用いて組み立てると前記ステム部材の位置が固定されることを特徴とする請求項1に記載のモジュラー人工膝インプラントシステム。
(9)前記嵌め合い回転防止部材が、前記大腿骨構成要素の前記取付け台から延出したタブと、前記ステムカラー上の互いに反対を向いた回転防止面と、前記調節スリーブ上の互いに反対を向いた回転防止面及び前記調節スリーブから延出したタブとを含むことを特徴とする請求項2に記載のモジュラー人工膝インプラントシステム。
(10)前記大腿骨構成要素の前記取付け台から延出した前記タブ間の距離が、前記調節スリーブから延出した前記タブ間の距離に実質的に等しいことを特徴とする実施態様(9)に記載のモジュラー人工膝インプラントシステム。
(12)前記本体が更に、前記上面の上側平面から延出した互いに対向したタブと、前記各タブに整合したアンダーカットとを含み、前記各アンダーカットが、前記タブと前記本体の前記下面の下側平面との間に延在することを特徴とする請求項3に記載のモジュラー調節スリーブ。
(13)前記大腿骨構成要素、前記調節スリーブ、及び前記ステムカラーが嵌め合い回転防止部材を有することを特徴とする請求項4に記載の人工膝インプラント。
(14)前記嵌め合い回転防止部材が、前記顆間部分上の一対の対向したタブと、前記顆間部分上の前記対向したタブと整合して隣接した、回転防止面を画定する前記調節スリーブ上の一対のアンダーカットと、前記調節スリーブ上の一対のタブと、前記調節スリーブ上の前記タブと整合して隣接した、前記ステムカラー上の一対の回転防止面とを含むことを特徴とする実施態様(13)に記載の人工膝インプラント。
(15)前記調節スリーブの前記アンダーカット上の前記回転防止面間の距離が、前記ステムカラー上の前記回転防止面間の距離に実質的に等しいことを特徴とする実施態様(14)に記載の人工膝インプラント。
(16)前記顆間部分上の前記対向したタブ間の距離が、前記調節スリーブ上のタブ間の距離に実質的に等しいことを特徴とする実施態様(14)に記載の人工膝インプラント。
12 大腿骨構成要素
14 ステム部材
16 ボルト
18 大腿骨ステムカラー
20,22 顆状部分
24,26 関節面
28 顆間ボックス
30,32 顆間ボックスの側壁
34 取付け台
36 開口
40 ステム部材の軸
41 垂直線
46,48 顆間ボックス回転防止タブ
50,52 ステムカラー平坦部
60 調節スリーブ
61 調節スリーブ本体
62 調節スリーブ上面
64 調節スリーブ下面
66,67 開口
68,69 回転防止平坦部
70,71 調節スリーブ回転防止タブ
72 挿通孔
76,78 タブの平坦部
80,82 アンダーカット
90 中心軸
92 調節スリーブ上側平面
94 調節スリーブ下側平面
100 大腿骨インプラント組立体
Claims (4)
- モジュラー人工膝インプラントシステムであって、
一対の顆状部分及び取付け台を有する顆間部分を備えた大腿骨構成要素と、
ステム部材と、
上面及び下面を備えたステムカラーと、
上面及び下面を備えた調節スリーブとを含み、
前記大腿骨構成要素、前記ステム部材、及びステムカラーを用いて、前記取付け台に対して前記ステム部材が第1の固定角を有するように組み立てることができ、
前記大腿骨構成要素、前記ステム部材、前記ステムカラー、及び前記調節スリーブを用いて、前記ステム部材が前記取付け台に対して第2の固定角を有するように組み立てることができることを特徴とするモジュラー人工膝インプラントシステム。 - モジュラー人工膝インプラントシステムであって、
一対の顆状部分及び取付け台を有する顆間部分を備えた大腿骨構成要素であって、前記取付け台の少なくとも一部がある平面に延在する、前記大腿骨構成要素と、
ステム部材と、
上面及び下面、並びに前記上面から前記下面まで延びた孔を備えたステムカラーであって、前記上面の少なくとも一部及び前記下面の少なくとも一部が別々の非平行な平面に延在しており、前記孔が前記上面の平面及び前記下面の平面の少なくとも一方に対して外反角をなす長手方向の中心軸を有する、前記ステムカラーと、
上面及び下面、並びに前記上面から前記下面に延びた孔を備えた調節スリーブであって、前記上面の少なくとも一部及び前記下面の少なくとも一部が別々の非平行な平面に延在しており、前記孔が前記下面の平面及び前記上面の平面の少なくとも一方に対して外反角をなす長手方向の中心軸を有する、前記調節スリーブとを含み、
前記ステムカラー、前記調節スリーブ、及び前記大腿骨構成要素の取付け台が更に、嵌め合い回転防止部材を有することを特徴とするモジュラー人工膝インプラントシステム。 - 人工膝インプラントと共に使用するためのモジュラー調節スリーブであって、
上面及び下面を備えた本体と、
前記上面の少なくとも一部が延在する上側平面と、
前記下面の少なくとも一部が延在する下側平面と、
前記上面から前記下面に延びた孔とを含み、
前記孔が前記上側平面及び前記下側平面の少なくとも一方と外反角をなす長手方向の中心軸を有することを特徴とするモジュラー調節スリーブ。 - 人工膝インプラントであって、
一対の顆状部分及び開口を有する取付け台を備えた顆間部分を含む大腿骨構成要素と、
前記大腿骨構成要素の前記取付け台上に位置する下面、上面、並びに前記上面から前記下面まで延びた孔を備えた調節スリーブと、
前記調節スリーブの前記上面上に位置する下面、上面、並びに前記上面から前記下面に延びた、前記調節スリーブの前記孔と整合した孔を有するステムカラーと、
前記ステムカラーの前記上面から延出したステム部材と、
前記大腿骨構成要素の前記顆間部分の前記取付け台の前記開口から、前記調節スリーブの前記孔及び前記ステムカラーの前記孔を通って前記ステム部材に至るボルトとを含むことを特徴とする人工膝インプラント。
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US10/327,526 US6869447B2 (en) | 2002-12-20 | 2002-12-20 | Prosthetic knee implant with modular augment |
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US8043375B2 (en) | 2008-03-06 | 2011-10-25 | MoiRai Orthopaedic, LLC | Cartilage implants |
US8690956B2 (en) | 2010-08-23 | 2014-04-08 | Fellowship Of Orthopaedic Researchers, Inc. | Talar implants and methods of use |
US8852286B2 (en) | 2009-08-25 | 2014-10-07 | Fellowship Of Orthopaedic Researchers, Inc. | Trochlear implants and methods of use |
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US8083745B2 (en) | 2001-05-25 | 2011-12-27 | Conformis, Inc. | Surgical tools for arthroplasty |
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2003
- 2003-11-27 AU AU2003266446A patent/AU2003266446B2/en not_active Ceased
- 2003-12-12 DE DE60307212T patent/DE60307212T2/de not_active Expired - Lifetime
- 2003-12-12 EP EP03257812A patent/EP1430856B1/en not_active Expired - Lifetime
- 2003-12-12 AT AT03257812T patent/ATE334643T1/de not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
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AU2003266446A1 (en) | 2004-07-08 |
DE60307212T2 (de) | 2007-07-05 |
EP1430856A1 (en) | 2004-06-23 |
EP1430856B1 (en) | 2006-08-02 |
ATE334643T1 (de) | 2006-08-15 |
DE60307212D1 (de) | 2006-09-14 |
US6869447B2 (en) | 2005-03-22 |
AU2003266446B2 (en) | 2009-08-27 |
US20040122521A1 (en) | 2004-06-24 |
JP4279132B2 (ja) | 2009-06-17 |
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