JP4681931B2 - 蝶番式人工膝関節 - Google Patents
蝶番式人工膝関節 Download PDFInfo
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- JP4681931B2 JP4681931B2 JP2005130438A JP2005130438A JP4681931B2 JP 4681931 B2 JP4681931 B2 JP 4681931B2 JP 2005130438 A JP2005130438 A JP 2005130438A JP 2005130438 A JP2005130438 A JP 2005130438A JP 4681931 B2 JP4681931 B2 JP 4681931B2
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- Prior art keywords
- tibial
- knee prosthesis
- femoral
- hinge
- joint
- Prior art date
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- Expired - Fee Related
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- 210000003127 knee Anatomy 0.000 title claims abstract description 66
- 210000000629 knee joint Anatomy 0.000 claims description 29
- 210000000689 upper leg Anatomy 0.000 claims description 26
- 210000004417 patella Anatomy 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 10
- 210000004285 patellofemoral joint Anatomy 0.000 claims description 10
- 241001227561 Valgus Species 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 210000004439 collateral ligament Anatomy 0.000 abstract description 4
- 210000002303 tibia Anatomy 0.000 description 30
- 230000033001 locomotion Effects 0.000 description 11
- 229920003023 plastic Polymers 0.000 description 9
- 230000006641 stabilisation Effects 0.000 description 8
- 238000011105 stabilization Methods 0.000 description 8
- 230000000087 stabilizing effect Effects 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 210000003041 ligament Anatomy 0.000 description 6
- 239000007769 metal material Substances 0.000 description 5
- 241000469816 Varus Species 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 210000001188 articular cartilage Anatomy 0.000 description 2
- 239000002639 bone cement Substances 0.000 description 2
- 230000008468 bone growth Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005499 meniscus Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010060820 Joint injury Diseases 0.000 description 1
- 208000016593 Knee injury Diseases 0.000 description 1
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 210000001264 anterior cruciate ligament Anatomy 0.000 description 1
- 239000000560 biocompatible material Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 210000002967 posterior cruciate ligament Anatomy 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
Images
Classifications
-
- 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
- A61F2/3836—Special connection between upper and lower leg, e.g. constrained
- A61F2/384—Special connection between upper and lower leg, e.g. constrained hinged, i.e. with transverse axle restricting the movement
- A61F2/385—Special connection between upper and lower leg, e.g. constrained hinged, i.e. with transverse axle restricting the movement also provided with condylar bearing surfaces
-
- 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
- A61F2/3877—Patellae or trochleae
-
- 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
- A61F2002/30316—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
- A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
- A61F2002/30505—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism spring biased
-
- 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
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00856—Coating or prosthesis-covering structure made of compounds based on metal nitrides
- A61F2310/0088—Coating made of titanium nitride
Landscapes
- 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)
Description
200 大腿骨部材
203 大腿脛骨関節接合面
207 膝蓋大腿関節接合面
300 蝶番サブアセンブリ
310 蝶番キャリッジ
320 ピン
330 位置決めネジ
400 支承部材
500 脛骨部材
600 大腿骨
700 脛骨
800 膝蓋骨部材
900 膝蓋骨
Claims (13)
- 蝶番式人工膝関節であって、
脛骨(700)に取り付けられる下方面及び上方脛骨面(504)を有する脛骨部材(500)と、
脛骨部材(500)の上方脛骨面(504)に回動可能に支持される下方支承面(406)と、中間位置の上方顆支承面(401)および外側位置の上方顆支承面(401)とを有し、前記脛骨部材(500)に対して転位することが制限された支承部材(400)と、
支承部材(400)に取り付けられるシャフト(313)及びヘッド(311)を有する蝶番キャリッジ(310)と、
大腿骨(600)に取り付けられる上方面を有するとともに、前記中間位置の上方顆支承面(401)および前記外側位置の上方顆支承面(401)に対応して形成され、完全伸展から少なくとも90度の屈曲の範囲で合致した大腿脛骨関節接合を達成する中間位置の大腿脛骨関節接合面(203)および外側位置の大腿脛骨関節接合面(203)とを下方に有する大腿骨部材(200)と、
を備え、
前記大腿骨部材(200)は、前記大腿脛骨関節接合面(203)と別個に、かつ前記大腿脛骨関節接合面(203)から実質的に隔てられた膝蓋大腿関節接合面(207)をさらに有し、
前記膝蓋大腿関節接合面(207)は上方領域(208)および下方領域(209)を有し、
前記上方領域(208)は、膝の膝蓋骨(900)が該上方領域(208)に係合するように形状設定され、かつ配置され、完全伸展から中程度の屈曲角度の範囲で膝蓋骨(900)を傾動させ、
前記下方領域(209)は、前記中間位置の大腿脛骨関節接合面(203)と前記外側位置の大腿脛骨関節接合面(203)との間に位置して、前記中程度の屈曲角度よりも大きく膝が屈曲される際に前記膝蓋骨(900)に係合する蝶番式人工膝関節。 - 請求項1の蝶番式人工膝関節であって、大腿脛骨関節接合は、150度の屈曲まで完全合致することを特徴とする蝶番式人工膝関節。
- 請求項1の蝶番式人工膝関節であって、前記膝蓋大腿関節接合面(207)の前記上方領域(208)は、大きな屈曲角度で膝蓋骨(900)の実質的な中心配置を維持しながら、小さな屈曲角度で膝蓋骨(900)の正中線移動をさせるように、前記下方領域(209)より幅が広くされていることを特徴とする蝶番式人工膝関節。
- 請求項1の蝶番式人工膝関節であって、さらに、前記大腿脛骨関節接合面(203)に対して角度的に調整された制限面を前記大腿骨部材(200)上に有すると共に、前記上方顆支承面(401)に対して角度的に調整された制限面(408)を前記支承部材(400)上に有し、
両制限面は、係合によって人工膝関節の過伸展を制限するように配置されていることを特徴とする蝶番式人工膝関節。 - 請求項4の蝶番式人工膝関節であって、両制限面は過伸展を、完全伸展の5度超に制限するように配置されていることを特徴とする蝶番式人工膝関節。
- 請求項1の蝶番式人工膝関節であって、前記脛骨部材(500)は、上方面に及ぶ円錐孔(503)を有し、前記支承部材(400)は、前記脛骨部材(500)の前記円錐孔(503)に枢動可能に係合する円錐部(407)を有し、前記円錐部(407)は前記円錐孔(503)の中心軸を中心に回動することを特徴とする蝶番式人工膝関節。
- 請求項6の蝶番式人工膝関節であって、前記支承部材(400)の前記円錐部(407)と前記脛骨部材(500)の前記円錐孔(503)の間に設けられ、人工膝関節の軸方向の分離を防いで人工膝関節が転位しないようにする係合手段をさらに有することを特徴とする蝶番式人工膝関節。
- 請求項7の蝶番式人工膝関節であって、前記係合手段は、前記脛骨部材(500)の前記円錐孔(503)に形成された環状溝(507)と、前記支承部材(400)の円錐部(407)に形成された突起を有することを特徴とする蝶番式人工膝関節。
- 請求項8の蝶番式人工膝関節であって、前記支承部材(400)の前記円錐部(407)は環状溝(409)を有し、前記突起は前記支承部材(400)の前記円錐部(407)の前記環状溝(409)と前記脛骨部材(500)の前記円錐孔(503)に係合するスナップリングであることを特徴とする蝶番式人工膝関節。
- 請求項1の蝶番式人工膝関節であって、前記大腿骨部材(200)は、前記キャリッジ(310)のヘッド(311)の相対向する各側部に間隔をおいて設けられ、外反・内反モーメントを抑える2つの蝶番支持壁(204)を有することを特徴とする蝶番式人工膝関節。
- 請求項10の蝶番式人工膝関節であって、前記大腿骨部材(200)の蝶番支持壁(204)と前記キャリッジ(310)のヘッド(311)には、貫通孔(315)が形成され、前記貫通孔(315)を貫通した蝶番ピン(320)は蝶番関節接合の軸となることを特徴とする蝶番式人工膝関節。
- 請求項1の蝶番式人工膝関節であって、前記支承部材(400)と前記脛骨部材(500)の間に設けられ、両者の回動を制限する回動制限手段(410,508)をさらに備えることを特徴とする蝶番式人工膝関節。
- 請求項1の蝶番式人工膝関節であって、前記回動制限手段(410,508)は、前記支承部材(400)と前記脛骨部材(500)間の回動を約30度に制限するように構成されていることを特徴とする蝶番式人工膝関節。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56621404P | 2004-04-28 | 2004-04-28 |
Publications (2)
Publication Number | Publication Date |
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JP2005312973A JP2005312973A (ja) | 2005-11-10 |
JP4681931B2 true JP4681931B2 (ja) | 2011-05-11 |
Family
ID=34935916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005130438A Expired - Fee Related JP4681931B2 (ja) | 2004-04-28 | 2005-04-27 | 蝶番式人工膝関節 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050246028A1 (ja) |
EP (1) | EP1591083B1 (ja) |
JP (1) | JP4681931B2 (ja) |
AT (1) | ATE372097T1 (ja) |
AU (1) | AU2005201780B8 (ja) |
DE (1) | DE602005002293T2 (ja) |
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AU2020200145B2 (en) * | 2019-02-05 | 2024-12-19 | Depuy Ireland Unlimited Company | Orthopaedic prosthetic system for a rotating hinged-knee prosthesis |
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JPH08224263A (ja) * | 1994-12-12 | 1996-09-03 | Biomedical Eng Trust One | 2つの骨の間の可動結合の適用できる人工器官関節 |
JPH11197167A (ja) * | 1997-11-06 | 1999-07-27 | Mtg Divestitures Inc | 膝インプラントの回転整合装置 |
US6010534A (en) * | 1997-09-25 | 2000-01-04 | Johnson & Johnson Professional, Inc. | Rotatable tibial prosthesis with keyed axial securement |
JP2001252295A (ja) * | 2000-02-24 | 2001-09-18 | Aesculap | 膝義肢大腿骨部及びこれを用いた膝義肢 |
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US4219893A (en) * | 1977-09-01 | 1980-09-02 | United States Surgical Corporation | Prosthetic knee joint |
BR7506468A (pt) * | 1975-10-03 | 1975-12-02 | S Eshriqui | Protese de joelho articulada |
US4206517A (en) * | 1977-12-01 | 1980-06-10 | Biomedical Engineering Corp. | Floating center prosthetic joint |
US4470158A (en) * | 1978-03-10 | 1984-09-11 | Biomedical Engineering Corp. | Joint endoprosthesis |
US4353135A (en) * | 1980-05-09 | 1982-10-12 | Minnesota Mining And Manufacturing Company | Patellar flange and femoral knee-joint prosthesis |
US5011496A (en) * | 1988-02-02 | 1991-04-30 | Joint Medical Products Corporation | Prosthetic joint |
US4888021A (en) * | 1988-02-02 | 1989-12-19 | Joint Medical Products Corporation | Knee and patellar prosthesis |
US5139521A (en) * | 1990-01-27 | 1992-08-18 | Ingrid Schelhas | Knee prosthesis |
US5370701A (en) * | 1990-09-28 | 1994-12-06 | Arch Development Corporation | Rotating/sliding contrained prosthetic knee |
US5314481A (en) * | 1992-11-12 | 1994-05-24 | Wright Medical Technology, Inc. | Hinged knee prosthesis with extended patellar track |
US5951603A (en) * | 1997-09-25 | 1999-09-14 | Johnson & Johnson Professional, Inc. | Rotatable joint prosthesis with axial securement |
JP4716535B2 (ja) * | 1998-08-05 | 2011-07-06 | バイオメディカル エンジニアリング,トラスト,アイ | スピンアウト防止付き膝関節補綴 |
US6152960A (en) * | 1998-10-13 | 2000-11-28 | Biomedical Engineering Trust I | Femoral component for knee endoprosthesis |
FR2787992B1 (fr) * | 1999-01-04 | 2001-04-20 | Aesculap Sa | Prothese tibiale du genou a rotule a double inserts |
US6368354B2 (en) * | 1999-10-07 | 2002-04-09 | Exactech, Inc. | Acetabular bearing assembly for total hip joints |
US6485519B2 (en) * | 2001-01-29 | 2002-11-26 | Bristol-Myers Squibb Company | Constrained prosthetic knee with rotating bearing |
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2005
- 2005-04-27 US US11/115,920 patent/US20050246028A1/en not_active Abandoned
- 2005-04-27 JP JP2005130438A patent/JP4681931B2/ja not_active Expired - Fee Related
- 2005-04-28 EP EP05009381A patent/EP1591083B1/en not_active Not-in-force
- 2005-04-28 AT AT05009381T patent/ATE372097T1/de not_active IP Right Cessation
- 2005-04-28 DE DE602005002293T patent/DE602005002293T2/de active Active
- 2005-04-28 AU AU2005201780A patent/AU2005201780B8/en not_active Ceased
Patent Citations (5)
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JPS55500222A (ja) * | 1978-03-10 | 1980-04-17 | Biomedical Eng | |
JPH08224263A (ja) * | 1994-12-12 | 1996-09-03 | Biomedical Eng Trust One | 2つの骨の間の可動結合の適用できる人工器官関節 |
US6010534A (en) * | 1997-09-25 | 2000-01-04 | Johnson & Johnson Professional, Inc. | Rotatable tibial prosthesis with keyed axial securement |
JPH11197167A (ja) * | 1997-11-06 | 1999-07-27 | Mtg Divestitures Inc | 膝インプラントの回転整合装置 |
JP2001252295A (ja) * | 2000-02-24 | 2001-09-18 | Aesculap | 膝義肢大腿骨部及びこれを用いた膝義肢 |
Also Published As
Publication number | Publication date |
---|---|
AU2005201780B8 (en) | 2011-02-24 |
DE602005002293D1 (de) | 2007-10-18 |
AU2005201780A1 (en) | 2005-11-17 |
JP2005312973A (ja) | 2005-11-10 |
EP1591083A1 (en) | 2005-11-02 |
DE602005002293T2 (de) | 2008-05-29 |
AU2005201780B2 (en) | 2011-02-17 |
AU2005201780A8 (en) | 2005-11-17 |
ATE372097T1 (de) | 2007-09-15 |
EP1591083B1 (en) | 2007-09-05 |
US20050246028A1 (en) | 2005-11-03 |
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