JP2004209256A - 足根関節プロテーゼ - Google Patents
足根関節プロテーゼ Download PDFInfo
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- JP2004209256A JP2004209256A JP2004000528A JP2004000528A JP2004209256A JP 2004209256 A JP2004209256 A JP 2004209256A JP 2004000528 A JP2004000528 A JP 2004000528A JP 2004000528 A JP2004000528 A JP 2004000528A JP 2004209256 A JP2004209256 A JP 2004209256A
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- Prior art keywords
- tibial
- component
- certain
- joint prosthesis
- support
- Prior art date
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- 210000004341 tarsal joint Anatomy 0.000 title claims abstract description 70
- 210000002303 tibia Anatomy 0.000 claims abstract description 13
- 210000000544 articulatio talocruralis Anatomy 0.000 claims description 32
- 210000004233 talus Anatomy 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000002513 implantation Methods 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 5
- 210000003423 ankle Anatomy 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 241001272720 Medialuna californiensis Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 210000002683 foot Anatomy 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 206010065687 Bone loss Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 238000011882 arthroplasty Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
Images
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Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
- Surgical Instruments (AREA)
Abstract
【解決手段】 一定の支持部品が一定の前方から後方の方向に移動可能であることにより、上記脛骨部品に対して係合して放出可能に取り付けることができる。この支持部品は一定の後方から前方の方向に移動することにより上記脛骨部品から放出可能になるために、当該脛骨部品から除去できる。
【選択図】 図1
Description
(1)前記支持部品が一定の凹状の接合面部を有しており、前記足根関節プロテーゼがさらに前記凹状の接合面部に対して境界領域を形成するように構成されている一定の凸状の接合面部を有している一定の距骨部品を備えている請求項1に記載の足根関節プロテーゼ。
(2)前記凹状の接合面部の断面が一定の内側から外側に向かう軸に沿って実質的に一定である実施態様(1)に記載の足根関節プロテーゼ。
(3)前記脛骨部品が前記支持部品を受容するための一定の開口部を伴う一定の前面部を有している請求項1に記載の足根関節プロテーゼ。
(4)前記脛骨部品が一定の内側エッジ部分および一定の外側エッジ部分を有する一定の上壁部、前記上壁部の内側エッジ部分に取り付けられていて当該内側エッジ部分から一定の上方から下方の方向に延出している一定の内壁部、および前記上壁部の外側エッジ部分に取り付けられていて当該外側エッジ部分から一定の上方から下方の方向に延出している一定の外壁部を有している請求項1に記載の足根関節プロテーゼ。
(5)前記支持部品が一定の前方から後方の配向を有する一定の内側リブを有する一定の内側面部、および一定の前方から後方の配向を有する一定の外側リブを有する一定の外側面部を有しており、前記脛骨部品の内壁部が前記支持部品の内側リブを受容するための一定の内側スロットを有する第1の内表面部を有しており、前記脛骨部品の外壁部が前記支持部品の外側リブを受容するための一定の外側スロットを有する第2の内表面部を有している実施態様(4)に記載の足根関節プロテーゼ。
(7)前記支持部品が一定の弾性材料により形成されている実施態様(6)に記載の足根関節プロテーゼ。
(8)前記支持部品が一定の除去工具を受容するように構成されている少なくとも1個のノッチ部を有しており、当該除去工具が前記支持部品を変形して前記第2のスナップ係止用の要素が前記第1のスナップ係止用の要素から分離するように構成されている実施態様(7)に記載の足根関節プロテーゼ。
(9)前記内側スロットおよび前記外側スロットのそれぞれが一定の前端部および一定の後端部を有しており、これらの内側スロットおよび外側スロットのそれぞれがその後端部におけるよりもその前端部において広くなっている実施態様(5)に記載の足根関節プロテーゼ。
(10)前記支持部品が第1の突出部および第1の凹部の内の1個を有する一定の内側面部、および第2の突出部および第2の凹部の内の1個を有する一定の外側面部を有しており、前記脛骨部品の内壁部が前記第1の突出部および前記第1の凹部の内の別の1個を有しており、前記脛骨部品の外壁部が前記第2の突出部および前記第2の凹部の内の別の1個を有しており、前記第1の突出部が前記第1の凹部の中に受容されて、前記第2の突出部が前記第2の凹部の中に受容されることにより、前記支持部品が前記脛骨部品に対して係止される実施態様(4)に記載の足根関節プロテーゼ。
(12)前記凹状の接合面部が前記支持部品における一定の前面部から当該支持部品における一定の後面部に到る一定の弓形の形状に沿って延在している請求項2に記載の足根関節プロテーゼ。
(13)前記支持部品が前記前方から後方の方向に移動する時に前記脛骨部品に対してスナップ嵌合式に係合する実施態様(12)に記載の足根関節プロテーゼ。
(14)前記支持部品が前記スナップ嵌合式の係合状態から放出可能である実施態様(13)に記載の足根関節プロテーゼ。
(15)前記支持部品が前記スナップ嵌合式の係合状態から放出された後に一定の後方から前方の方向に移動するように構成されていることにより前記脛骨部品から分離される実施態様(14)に記載の足根関節プロテーゼ。
(17)前記支持部品が前記スナップ嵌合式の係合状態から放出可能である実施態様(16)に記載の足根関節プロテーゼ。
(18)前記支持部品が前記スナップ嵌合式の係合状態から放出された後に一定の後方から前方の方向に移動するように構成されていることにより前記脛骨部品から分離される実施態様(17)に記載の足根関節プロテーゼ。
(19)前記支持部品が前記前方から後方の方向に移動する時に前記脛骨部品に対してスナップ嵌合式に係合する請求項4に記載の足根関節プロテーゼ。
(20)前記支持部品が一定の後方から前方の方向に前記脛骨部品から取り外し可能である請求項4に記載の足根関節プロテーゼ。
(21)前記開口部が前記脛骨部品における一定の前面部に存在している請求項4に記載の足根関節プロテーゼ。
32 脛骨組立体
34 距骨部品
35 屈曲位置
36 支持部品
37 延伸位置
38 脛骨部品
40 上壁部
42 内側エッジ部分
44 外側エッジ部分
46 内壁部
48 外壁部
50 上方から下方の方向
52 後方エッジ部分
54 前方から後方の方向
56 三角形の延出部分
58 脛骨フィン
60 下方から上方の方向
Claims (4)
- 足根関節プロテーゼにおいて、
一定の脛骨に取り付けることに適合している一定の脛骨部品、および
一定の支持部品を備えており、当該支持部品が
一定の前方から後方の方向に移動することにより前記脛骨部品に対して係合してスナップ係止され、
前記脛骨部品から無係止状態になり、さらに
一定の後方から前方の方向に移動することにより前記脛骨部品から分離される足根関節プロテーゼ。 - 足根関節プロテーゼにおいて、
一定の脛骨に取り付けることに適合している一定の脛骨部品、
一定の凹状の接合面部を有していて一定の前方から後方の方向に移動することにより前記脛骨部品に対して係合して放出可能に固定されるように構成されている一定の支持部品、および
前記支持部品の凹状の接合面部に対して係合するように構成されている一定の凸状の接合面部を有している一定の距骨部品を備えている足根関節プロテーゼ。 - 足根関節プロテーゼにおいて、
一定の脛骨に取り付けることに適合している一定の脛骨部品、および
一定の前方から後方の方向に移動することにより前記脛骨部品に対して係合して放出可能に固定されるように構成されている一定の支持部品を備えている足根関節プロテーゼ。 - 足根関節プロテーゼにおいて、
一定の脛骨に取り付けることに適合している一定の脛骨部品を備えており、当該脛骨部品が一定の開口部および第1の放出可能な取付要素を有しており、さらに
第2の放出可能な取付要素を有している一定の支持部品を備えており、これにより、当該支持部品が一定の前方から後方の方向に前記脛骨部品の開口部の中に移動して、前記第2の放出可能な取付要素が前記第1の放出可能な取付要素に対して係合して連結することが可能になる足根関節プロテーゼ。
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US10/337,135 US7011687B2 (en) | 2003-01-06 | 2003-01-06 | Ankle prosthesis with a front loading bearing and associated method |
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JP2004209256A true JP2004209256A (ja) | 2004-07-29 |
JP4409296B2 JP4409296B2 (ja) | 2010-02-03 |
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US (1) | US7011687B2 (ja) |
EP (1) | EP1435222B1 (ja) |
JP (1) | JP4409296B2 (ja) |
AT (1) | ATE329555T1 (ja) |
AU (1) | AU2003271327B2 (ja) |
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- 2003-12-23 AU AU2003271327A patent/AU2003271327B2/en not_active Expired
- 2003-12-30 EP EP03258244A patent/EP1435222B1/en not_active Expired - Lifetime
- 2003-12-30 DE DE60306088T patent/DE60306088T2/de not_active Expired - Lifetime
- 2003-12-30 AT AT03258244T patent/ATE329555T1/de not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
US7011687B2 (en) | 2006-03-14 |
EP1435222A1 (en) | 2004-07-07 |
DE60306088T2 (de) | 2006-12-28 |
ATE329555T1 (de) | 2006-07-15 |
EP1435222B1 (en) | 2006-06-14 |
AU2003271327B2 (en) | 2008-08-14 |
DE60306088D1 (de) | 2006-07-27 |
US20040133282A1 (en) | 2004-07-08 |
JP4409296B2 (ja) | 2010-02-03 |
AU2003271327A1 (en) | 2004-07-22 |
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