JP4560800B2 - 脛骨膝人工装具 - Google Patents
脛骨膝人工装具 Download PDFInfo
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- JP4560800B2 JP4560800B2 JP2006538150A JP2006538150A JP4560800B2 JP 4560800 B2 JP4560800 B2 JP 4560800B2 JP 2006538150 A JP2006538150 A JP 2006538150A JP 2006538150 A JP2006538150 A JP 2006538150A JP 4560800 B2 JP4560800 B2 JP 4560800B2
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- Prior art keywords
- prosthesis
- knee
- medial
- lateral
- concave surface
- Prior art date
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- Expired - Fee Related
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Classifications
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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
- 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
- A61F2/38—Joints for elbows or knees
- A61F2/389—Tibial components
-
- 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
- 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
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30112—Rounded shapes, e.g. with rounded corners
- A61F2002/30133—Rounded shapes, e.g. with rounded corners kidney-shaped or bean-shaped
-
- 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
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0015—Kidney-shaped, e.g. bean-shaped
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Developing Agents For Electrophotography (AREA)
- Photoreceptors In Electrophotography (AREA)
Description
Claims (27)
- 脛骨が膝の大腿骨と関節接触するのを容易にするための人工装具であって、前記大腿骨は内側顆および外側顆を有し、前記膝人工装具は、
外側凹面および内側凹面を画成する脛骨構成要素を具備し、
前記外側凹面は、正常な膝屈曲中に前記大腿骨の前記外側顆と相互作用するように構成された第一の部分と、高い膝屈曲中に前記大腿骨の前記外側顆と相互作用するように構成された第二の部分と、を有し、
前記内側凹面は、正常な膝屈曲中に前記大腿骨の前記内側顆と相互作用するように構成された第一の部分と、高い膝屈曲中に前記大腿骨の前記内側顆と相互作用するように構成された第二の部分と、を有し、
前記外側および内側の凹面は異なる形状を有し、前記第一および第二の部分は、それぞれの凹面内で少なくとも部分的に別個の場所にあり、
前記内側凹面は、少なくとも前記第一および第二の部分を有する接触境界を含み、
前記接触境界内の表面は、ほぼ平らであり、
前記接触境界は、前部端から後部端へ延在するにつれて漸進的に拡大する内−外幅を有し、
前記接触境界は、前記前部端に頂部を備え前記後部端に基部を備えた略三角形形状を有する人工装具。 - 前記脛骨構成要素は、前記外側および内側の凹面を画成する脛骨トレーを含み、前記脛骨トレーは、前記脛骨の近位端に連結可能である請求項1記載の人工装具。
- 前記脛骨構成要素は、材料の単一片から構成される請求項2記載の人工装具。
- 前記第一の部分は前記頂部を含み、前記第二の部分は、前記略三角形形状の部分の残りを含む請求項1記載の人工装具。
- 前記第一の部分は前記前部端を含み、前記第二の部分は前記後部端を含む請求項1記載の人工装具。
- 前記接触境界は、少なくとも3mmの前部−後部長さを有する請求項5記載の人工装具。
- 前記接触境界は、3mmから5mmの前部−後部長さを有する請求項5記載の人工装具。
- 前記内側顆は、前記内側顆のいずれの所与の位置用に前記外側顆が多くの位置を有することができる区域内を動くことができる請求項1記載の人工装具。
- 高い膝屈曲を含む大きな範囲の膝屈曲角度を通る膝の運動を容易にするための膝人工装具であって、前記膝人工装具は、
内側顆および外側顆を有する大腿骨構成要素と、
内側凹面および外側凹面を画成する脛骨構成要素と、
を具備し、
前記外側凹面は前記内側凹面とは異なる形状を有し、
前記内側および外側の凹面は、正常な膝屈曲中に前記大腿骨構成要素の前記内側顆および前記外側顆に関節接触する第一の部分を有し、
前記内側および外側の凹面は、前記第一の部分とは少なくとも部分的に別個であり、且つ、高い膝屈曲中に前記大腿骨構成要素の前記内側顆および前記外側顆に関節接触する第二の部分を有し、
前記内側凹面は、少なくとも前記第一および第二の部分を有する接触境界を含み、
前記接触境界内の区域は、ほぼ平らな表面を有し、
前記接触境界は、前部端に頂部を備え後部端に基部を備えた略三角形形状を有する膝人工装具。 - 前記脛骨構成要素は、前記膝の脛骨にしっかりと装着される請求項9記載の膝人工装具。
- 前記脛骨構成要素は、前記脛骨に接着されるときに、前記膝の後十字靱帯の保存を可能にするように適合される請求項10記載の膝人工装具。
- 前記第一の部分は前記頂部を含み、前記第二の部分は、前記接触境界内の前記区域の残りを含む請求項9記載の膝人工装具。
- 前記第一の部分は前記前部端を含み、前記第二の部分は前記後部端を含む請求項9記載の膝人工装具。
- 前記接触境界は、少なくとも3mmの前部−後部長さを有する請求項13記載の膝人工装具。
- 前記接触境界は、3mmから5mmの前部−後部長さを有する請求項13記載の膝人工装具。
- 前記内側顆は、前記内側顆のいずれの所与の位置用に前記外側顆が多くの位置を有することができる区域内を動くことができる請求項9記載の膝人工装具。
- 脛骨が膝の大腿骨と関節接触するのを容易にするための人工装具であって、前記大腿骨は内側顆および外側顆を有し、前記膝人工装具は、
外側凹面および内側凹面を画成する脛骨構成要素を具備し、
前記外側凹面は、正常な膝屈曲中に前記大腿骨の前記外側顆と相互作用するように構成された第一の部分と、高い膝屈曲中に前記大腿骨の前記外側顆と相互作用するように構成された第二の部分と、を有し、
前記内側凹面は、正常な膝屈曲中に前記大腿骨の前記内側顆と相互作用するように構成された第一の部分と、高い膝屈曲中に前記大腿骨の前記内側顆と相互作用するように構成された第二の部分と、を有し、
前記内側凹面は、略三角形形状部を有し、該略三角形形状部は略平らな輪郭を有し、
前記略三角形形状部の頂部が、該略三角形形状部の基部の前方に位置し、
前記略三角形形状が、高い膝屈曲中に、前記大腿骨の内側顆との関節旋回点の後方横方向への並進を可能にするように位置する、人工装具。 - 前記略三角形形状の基部の横方向角部が横方向に延在して、前記略三角形形状部での前記内側顆の横方向への回転を許容する、請求項17に記載の人工装具。
- 前記略三角形形状の頂部が約15度から約45度の間の角度を有する、請求項17に記載の人工装具。
- 前記略三角形形状の頂部が約30度の角度を有する、請求項17に記載の人工装具。
- 前記正常な膝屈曲中に前記内側顆との関節旋回点が前記略三角形形状の頂部に実質的に位置する、請求項17に記載の人工装具。
- 前記内側凹部の第一の部分が前記頂部を含み、前記内側凹部の第二の部分が前記略三角形形状の残余部を含む、請求項17に記載の人工装具。
- 脛骨が膝の大腿骨と関節接触するのを容易にするための人工装具であって、前記大腿骨は内側顆および外側顆を有し、前記膝人工装具は、
外側凹面および内側凹面を画成する脛骨構成要素を具備し、
前記内側凹面が略三角形形状部を有し、該略三角形形状部は略平らな輪郭を有し、
前記略三角形形状部の頂部が、該略三角形形状部の基部の前方に位置し、
前記略三角形形状が、高い膝屈曲中に、前記大腿骨の内側顆との関節旋回点の後方横方向への並進を可能にするように位置する、人工装具。 - 前記略三角形形状の基部の横方向角部が横方向に延在して、前記略三角形形状部での前記内側顆の横方向への回転を許容する、請求項23に記載の人工装具。
- 前記略三角形形状の頂部が約15度から約45度の間の角度を有する、請求項23に記載の人工装具。
- 前記略三角形形状の頂部が約30度の角度を有する、請求項23に記載の人工装具。
- 前記正常な膝屈曲中に前記内側顆との関節旋回点が前記略三角形形状の頂部に実質的に位置する、請求項23に記載の人工装具。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/696,459 US7261740B2 (en) | 2003-10-29 | 2003-10-29 | Tibial knee prosthesis |
| PCT/US2004/035324 WO2005044150A1 (en) | 2003-10-29 | 2004-10-25 | Tibial knee prosthesis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007509709A JP2007509709A (ja) | 2007-04-19 |
| JP4560800B2 true JP4560800B2 (ja) | 2010-10-13 |
Family
ID=34550123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006538150A Expired - Fee Related JP4560800B2 (ja) | 2003-10-29 | 2004-10-25 | 脛骨膝人工装具 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7261740B2 (ja) |
| EP (1) | EP1696835B1 (ja) |
| JP (1) | JP4560800B2 (ja) |
| KR (1) | KR100831864B1 (ja) |
| CN (1) | CN1874738B (ja) |
| AT (1) | ATE423530T1 (ja) |
| CA (1) | CA2542975C (ja) |
| DE (1) | DE602004019681D1 (ja) |
| WO (1) | WO2005044150A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014039813A (ja) * | 2008-07-10 | 2014-03-06 | Imperial Innovetions Ltd | モジュール式膝インプラント |
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-
2003
- 2003-10-29 US US10/696,459 patent/US7261740B2/en not_active Expired - Lifetime
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2004
- 2004-10-25 KR KR1020067008374A patent/KR100831864B1/ko not_active Expired - Fee Related
- 2004-10-25 DE DE602004019681T patent/DE602004019681D1/de not_active Expired - Lifetime
- 2004-10-25 JP JP2006538150A patent/JP4560800B2/ja not_active Expired - Fee Related
- 2004-10-25 CA CA002542975A patent/CA2542975C/en not_active Expired - Lifetime
- 2004-10-25 CN CN2004800321115A patent/CN1874738B/zh not_active Expired - Lifetime
- 2004-10-25 AT AT04796328T patent/ATE423530T1/de not_active IP Right Cessation
- 2004-10-25 WO PCT/US2004/035324 patent/WO2005044150A1/en not_active Ceased
- 2004-10-25 EP EP04796328A patent/EP1696835B1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014039813A (ja) * | 2008-07-10 | 2014-03-06 | Imperial Innovetions Ltd | モジュール式膝インプラント |
Also Published As
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|---|---|
| US7261740B2 (en) | 2007-08-28 |
| WO2005044150A1 (en) | 2005-05-19 |
| US20050096747A1 (en) | 2005-05-05 |
| DE602004019681D1 (en) | 2009-04-09 |
| CA2542975A1 (en) | 2005-05-19 |
| EP1696835A1 (en) | 2006-09-06 |
| KR100831864B1 (ko) | 2008-05-22 |
| ATE423530T1 (de) | 2009-03-15 |
| CN1874738B (zh) | 2010-12-15 |
| CN1874738A (zh) | 2006-12-06 |
| KR20060109878A (ko) | 2006-10-23 |
| EP1696835B1 (en) | 2009-02-25 |
| CA2542975C (en) | 2008-09-02 |
| JP2007509709A (ja) | 2007-04-19 |
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