JP4378253B2 - 支承の前方摺動動作を制限する着脱自在ストップピンを備える人工膝 - Google Patents
支承の前方摺動動作を制限する着脱自在ストップピンを備える人工膝 Download PDFInfo
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- JP4378253B2 JP4378253B2 JP2004274128A JP2004274128A JP4378253B2 JP 4378253 B2 JP4378253 B2 JP 4378253B2 JP 2004274128 A JP2004274128 A JP 2004274128A JP 2004274128 A JP2004274128 A JP 2004274128A JP 4378253 B2 JP4378253 B2 JP 4378253B2
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- Prior art keywords
- bearing
- control arm
- notch
- stop
- tibial
- 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.)
- Expired - Lifetime
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- 210000003127 knee Anatomy 0.000 title claims description 23
- 210000000629 knee joint Anatomy 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000001356 surgical procedure Methods 0.000 description 24
- 210000002303 tibia Anatomy 0.000 description 22
- 210000000689 upper leg Anatomy 0.000 description 14
- 210000003041 ligament Anatomy 0.000 description 11
- 210000002967 posterior cruciate ligament Anatomy 0.000 description 6
- 239000007943 implant Substances 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013150 knee replacement Methods 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 210000003407 lower extremity of femur Anatomy 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
Images
Classifications
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- A61B17/17—Guides or aligning means for drills, mills, pins or wires
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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
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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
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- A61F2002/30362—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit with possibility of relative movement between the protrusion and the recess
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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
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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
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Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Dentistry (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Prostheses (AREA)
Description
200 大腿骨部材
300 支承
301 前面
302 後面
303 ストップ凹部
304 あり溝
305 下面
310 支承
312 上面
314 下部支承面
316 前方先端
318 後方先端
320 溝
322 前方切欠き
324 後方切欠き
326 凹部
328 切欠き
400 制御アームアセンブリ
401 制御アーム
402 円錐
403 前方ストップ
404 前方切欠き
405 孔
406 孔
407 ねじ
410 制御アームアセンブリ
411 制御アーム
412 円錐
414 ストップピン
500 脛骨部材
501 突起
502 プラットフォーム
503 上面
504 円錐形凹部
700 ストップ支持体
702 ベース
704 プラットフォーム
706 ねじ孔
710 回転制限ストップピン
Claims (9)
- 第1支承面(503)を有する第1部材(500)と、
前記第1支承面(503)と摺動支承嵌合状態に配置された第2支承面(314)を有する第2部材(310)であって、該第2支承面(314)が、相対する第1端部と第2端部を有する溝(320)を含み、かつ、第1切欠き(324)と第2切欠き(322)が、前記溝(320)の、それぞれ、第1端部と第2端部に形成される、第2部材(310)と、
前記第1部材(500)と旋回自在に嵌合する旋回支持体(412)と、相対する第1および第2端部を有するとともに前記溝に嵌合する、該旋回支持体(412)に近接した制御アーム(411)と、該制御アーム(411)の該第1端部に配置されるとともに前記第2部材(310)の前記第1切欠き(324)に嵌合可能な第1ストップ(414)と、前記制御アーム(411)の前記第2端部にアクセス可能な取り付け手段(407)によって前記制御アーム(411)の該第2端部に着脱自在に取り付けられるとともに、前記第2切欠き(322)に嵌合可能な第2ストップ(403)とを有し、ここで前記第1ストップ(414)および前記第2ストップ(403)が、該制御アーム(411)と平行な方向における前記第1部材(500)に対する前記第2部材(310)の動作を制限するため、前記第1切欠き(324)および前記第2切欠き(322)と協調する、制御アームアセンブリ(400)と、
からなることを特徴とする人工補装具装置。 - さらに、前記第1部材(500)に対する前記第2部材(310)の回転動作を制限するための手段(710)からなることを特徴とする請求項1記載の人工補装具装置。
- さらに、前記第2部材(310)に近接して固着され前記第2部材(310)に対する前記第1部材(500)の旋回動作を制限するような構造を持っている回転制限ストップピン(710)からなることを特徴とする請求項1記載の人工補装具装置。
- 前記回転制限ストップピン(710)は、回転動作を約30°までに制限するため前記第2部材(310)に対する寸法を有し構造を持っていることを特徴とする請求項3記載の人工補装具装置。
- 前記第2ストップ(403)が、前記制御アーム(411)の前記第2端部でアクセス可能な少なくとも1本のねじ(407)により該制御アームの該第2端部に着脱自在に取り付けられることを特徴とする請求項1記載の人工補装具装置。
- さらに、前記第2支承面(314)とほぼ相対する前記第2部材(310)の面(312)と連結支承嵌合状態にある第3部材(200)からなり、ここで前記第3部材(200)は、前記第1部材(500)および第3部材(200)との連結支承嵌合状態の全ての範囲を通じて、前記制御アームアセンブリ(400)から間隔をあけられていることを特徴とする請求項1記載の人工補装具装置。
- 上部支承面(503)を有する脛骨部材(500)と、
支承(300)であって、前記脛骨部材(500)の前記上部支承面(503)と摺動支承嵌合状態にある下面(314)と、前記支承(300)の前記下面(314)において概ね前方先端から後方先端へ延長する溝(320)と、該溝(320)の概ね前端および後端において該支承(300)の該下面(314)に形成された前方切欠き(322)および後方切欠き(324)とを有する支承(300)と、
前記脛骨部材(500)と嵌合するとともに前記支承(300)の前記溝(320)に摺動嵌合する制御アーム(411)と、
前記制御アーム(411)から延長するとともに、前記支承(300)の前記後方切欠き(324)に嵌合する後方制御アームストップ(414)と、
前記制御アーム(411)の前端にアクセス可能な取り付け手段(407)によって制御アーム(411)の前端に着脱自在に取り付けられるとともに、前記支承(300)の前方切欠き(322)に嵌合可能な前方制御アームストップ(403)と、からなり、ここで前記前方制御アームストップ(403)および前記後方制御アームストップ(414)が、前記脛骨部材(500)の前記上部支承面(503)における前記支承(300)の前後動作を制限するため、前方切欠き(322)および後方切欠き(324)と協調することを特徴とする膝関節人工装具。 - さらに、前記頸骨部材(500)に対して固定され前記頸骨部材(500)の上における支承(300)の回転動作を制限するため前記支承(300)と嵌合するよう配置された回転制限ストップピン(710)からなることを特徴とする請求項7記載の膝関節人工装置。
- 前記回転制限ストップピン(710)と前記支承(300)とが、中央位置からいずれかの方向に約15°の該支承(300)の回転を許容する構造を持つことを特徴とする請求項8記載の膝関節人工装具。
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US10/670,104 US7008454B2 (en) | 2003-04-09 | 2003-09-24 | Prosthetic knee with removable stop pin for limiting anterior sliding movement of bearing |
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AU (1) | AU2004208653B2 (ja) |
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-
2003
- 2003-09-24 US US10/670,104 patent/US7008454B2/en not_active Expired - Lifetime
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2004
- 2004-08-18 CA CA002477996A patent/CA2477996C/en not_active Expired - Fee Related
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- 2004-09-23 EP EP04022659A patent/EP1518520B1/en not_active Ceased
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JP2005095626A (ja) | 2005-04-14 |
EP1518520B1 (en) | 2009-11-11 |
CA2477996C (en) | 2008-10-21 |
CA2477996A1 (en) | 2005-03-24 |
AU2004208653B2 (en) | 2008-10-30 |
US20040204765A1 (en) | 2004-10-14 |
AU2004208653A1 (en) | 2005-04-07 |
US7008454B2 (en) | 2006-03-07 |
EP1518520A2 (en) | 2005-03-30 |
DE602004024017D1 (de) | 2009-12-24 |
EP1518520A3 (en) | 2005-12-14 |
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