JP5128497B2 - 膝蓋構成要素 - Google Patents
膝蓋構成要素 Download PDFInfo
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- JP5128497B2 JP5128497B2 JP2008551485A JP2008551485A JP5128497B2 JP 5128497 B2 JP5128497 B2 JP 5128497B2 JP 2008551485 A JP2008551485 A JP 2008551485A JP 2008551485 A JP2008551485 A JP 2008551485A JP 5128497 B2 JP5128497 B2 JP 5128497B2
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- patella
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- 210000004417 patella Anatomy 0.000 claims description 216
- 230000007704 transition Effects 0.000 claims description 14
- 210000002435 tendon Anatomy 0.000 claims description 9
- 210000000426 patellar ligament Anatomy 0.000 claims description 8
- 230000002950 deficient Effects 0.000 claims description 2
- 230000002547 anomalous effect Effects 0.000 claims 1
- 238000013461 design Methods 0.000 description 33
- 210000003127 knee Anatomy 0.000 description 20
- 239000007943 implant Substances 0.000 description 19
- 210000000988 bone and bone Anatomy 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 210000000689 upper leg Anatomy 0.000 description 12
- 230000002159 abnormal effect Effects 0.000 description 9
- 230000007547 defect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 210000000629 knee joint Anatomy 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 208000002193 Pain Diseases 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 210000003484 anatomy Anatomy 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 238000013150 knee replacement Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012217 deletion Methods 0.000 description 2
- 230000037430 deletion Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 210000002303 tibia Anatomy 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- 208000037408 Device failure Diseases 0.000 description 1
- 206010027476 Metastases Diseases 0.000 description 1
- 206010060872 Transplant failure Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 206010003246 arthritis Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 208000024765 knee pain Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003314 quadriceps muscle Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 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
- A61F2/3877—Patellae or trochleae
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
(a)使用される自然の膝蓋骨と係合される第一の面と、(b)使用される大腿骨構成要素を受ける第二の面と、を有する膝蓋構成要素主要部とを備えた膝蓋骨構成要素が提供され、前記第二の面が、上端面、下端面、内端面、及び外端面を有し、さらに前記第二の面が、
(i)使用される大腿骨構成要素と接する、内端面から外端面へ延在する実質的に軸対称な部分と、
(ii)使用される大腿構成要素と接する、実質的に軸対称な部分から延在する一つ以上のファセット面と、
をさらに備える。
(a)オンセット型構成要素に関して、膝蓋骨/膝蓋構成要素の境界面にほぼ垂直な線、
(b)インセット型構成要素に関して、膝蓋骨に設けられた軸にほぼ平行な線、又は
(c)大腿四頭筋腱が膝蓋の上極に付随された箇所と、膝蓋腱が膝蓋の下極に付随された箇所との間に線として定義づけられた基準線にほぼ垂直な線、
のうちの一つから、一つの実施形態では約0〜30度であり、他の実施形態では0〜20度であり、さらなる実施形態では0〜10度であり、もっとさらなる実施形態では0〜5度である。
(a)オンセット型構成要素に関して、膝蓋骨/膝蓋構成要素の境界面にほぼ垂直な線、
(b)インセット型構成要素に関して、膝蓋骨に設けられた軸にほぼ平行な線、又は、
(c)大腿四頭筋腱が膝蓋の上極に付随された箇所と、膝蓋腱が膝蓋の下極に付随された箇所との間に線として定義づけられた基準線にほぼ垂直な線、
のうちの一つから、一つの実施形態では約0〜30度であり、他の実施形態では0〜20度であり、さらなる実施形態では0〜10度であり、もっとさらなる実施形態では0〜5度である。
(a)オンセット型構成要素に関して、膝蓋骨/膝蓋構成要素の境界面にほぼ垂直な線、
(b)インセット型構成要素に関して、膝蓋骨に設けられた軸にほぼ平行な線、又は、
(c)大腿四頭筋腱が膝蓋の上極に付随された箇所と、膝蓋腱が膝蓋の下極に付随された箇所との間に線として定義づけられた基準線にほぼ垂直な線、
のうちの一つから、一つの実施形態では約0〜30度であり、他の実施形態では0〜20度であり、さらなる実施形態では0〜10度であり、もっとさらなる実施形態では0〜5度であることを特徴とする膝蓋構成要素を提供する。
(a)大腿構成要素を提供するステップと、
(b)膝蓋構成要素を提供するステップであって、
(i)使用される自然の膝蓋骨と係合される第一の面と、(ii)使用される骨構成要素を受ける第二の面とを有し、前記第二の面が上端面、下端面、内端面、及び外端面を有し、さらに前記第二の面が、
(1)使用される大腿骨構成要素と接する、内端面から外端面へ延在する実質的に軸対称な部分と、
(2)使用される大腿構成要素と接する、実質的に軸対称な部分から延在する一つ以上のファセット面と、
をさらに備えた膝蓋骨構成要素主要部を備えた、膝蓋構成要素を提供するステップと、
(c)移植者の自然の膝蓋がインプラントを受領されるための前処理のステップと、
(d)自然の膝蓋の一部分にインプラントを埋め込むステップと、
を備える膝蓋構成要素を埋め込む方法を提供する。
12 膝蓋構成要素本体
14、72 第一の表面
16、74 第二の表面
18 実質的に軸対称な部分
20 内端面
22 外端面
24 湾曲部位
26 先端部(頂部)
28 小片
30 ファセット面
32 欠損部分
34 上端部面
36 下端部面
38 縁半径
52 緩和部分
56 中央領域
60 接触断片
62 構成要素50の上層部分
76 関節面
100 大腿四頭筋腱
101 膝蓋
104 膝蓋腱
107 第一の接続領域
108 第二の接続領域
A、B 接触力ベクトル
N、N1、N2 垂直力
S1、S2 せん断力
Claims (8)
- (a)使用される自然の膝蓋骨と係合される第一の面と、(b)使用される大腿骨構成要素を受ける第二の面と、を有する膝蓋構成要素主要部を備え、前記第二の面が、上端面、下端面、内端面、及び外端面を有し、さらに前記第二の面が、
(i)使用される大腿骨構成要素と接する、前記内端面から前記外端面へ延在する実質的に軸対称な部分と、
(ii)前記実質的に軸対称な部分から延在し、使用される大腿骨構成要素と接する一つ以上のファセット面と、
(iii)緩和部分であって、該緩和部分がなければ前記実質的に軸対称な部分の頂部が在るだろう場所に位置する前記緩和部分と、
をさらに備える膝蓋構成要素であって、
前記一つ以上のファセット面が前記実質的に軸対称な部分の両外側に延在すること特徴とする膝蓋構成要素。 - (iv)屈曲及び伸長される間、大腿骨構成要素上で円滑な移行を可能とするための、上端面、下端面、若しくは両面における一つ以上の欠損部分、
をさらに備えることを特徴とする請求項1に記載の膝蓋構成要素。 - 前記実質的に軸対称な部分が、使用時の固定された可動域内で大腿骨構成要素と接触され、前記一つ以上のファセット面が、固定された可動域外で大腿骨構成要素と接触されることを特徴とする請求項1〜2のいずれか一項に記載の膝蓋構成要素。
- 前記一つ以上のファセット面が、掘って作られる、又は前記実質的に軸対称な部分から離れる方向に凹状に延在されることを特徴とする請求項1〜3のいずれか一項に記載の膝蓋構成要素。
- 前記実質的に軸対称な部分が、前記内側縁及び前記外側縁により幅広い湾曲部位を有するパイ状の小片を備え、前記小片は前記実質的に軸対称な部分の頂部で交わることを特徴とする請求項1〜4のいずれか一項に記載の膝蓋構成要素。
- 前記実質的に軸対称な部分が、使用時における異常回転の許容を容易にすることを特徴とする請求項1〜5のいずれか一項に記載の膝蓋構成要素。
- 前記大腿骨構成要素から前記第二の面に作用する力のベクトルである接触ベクトルが、
(a)オンセット型構成要素に関して、前記膝蓋骨/膝蓋構成要素の境界面にほぼ垂直な線、
(b)インセット型構成要素に関して、膝蓋骨に設けられた軸にほぼ平行な線、又は
(c)大腿四頭筋腱が前記膝蓋の上極に付随された箇所と、膝蓋腱が前記膝蓋の下極に付随された箇所との間に線として定義づけられた基準線にほぼ垂直な線、
のうちの一つから0〜30度であることを特徴とする請求項1〜6のいずれか一項に記載の膝蓋構成要素。 - 前記大腿骨構成要素から前記第二の面に作用する力のベクトルである接触ベクトルが、
(a)オンセット型構成要素に関して、前記膝蓋骨/膝蓋構成要素の境界面にほぼ垂直な線、
(b)インセット型構成要素に関して、膝蓋骨に設けられた軸にほぼ平行な線、又は
(c)大腿四頭筋腱が前記膝蓋の上極に付随された箇所と、膝蓋腱が前記膝蓋の下極に付随された箇所との間に線として定義づけられた基準線にほぼ垂直な線、
のうちの一つから0〜5度であることを特徴とする請求項1〜6のいずれか一項に記載の膝蓋構成要素。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76129606P | 2006-01-23 | 2006-01-23 | |
US76129806P | 2006-01-23 | 2006-01-23 | |
US76129706P | 2006-01-23 | 2006-01-23 | |
US60/761,297 | 2006-01-23 | ||
US60/761,298 | 2006-01-23 | ||
US60/761,296 | 2006-01-23 | ||
PCT/US2007/002041 WO2007102951A2 (en) | 2006-01-23 | 2007-01-23 | Patellar components |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009523569A JP2009523569A (ja) | 2009-06-25 |
JP2009523569A5 JP2009523569A5 (ja) | 2012-05-31 |
JP5128497B2 true JP5128497B2 (ja) | 2013-01-23 |
Family
ID=38475327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008551485A Expired - Fee Related JP5128497B2 (ja) | 2006-01-23 | 2007-01-23 | 膝蓋構成要素 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8142509B2 (ja) |
EP (2) | EP3549553A3 (ja) |
JP (1) | JP5128497B2 (ja) |
CN (2) | CN103356309B (ja) |
AU (1) | AU2007222102B2 (ja) |
CA (1) | CA2637611C (ja) |
WO (1) | WO2007102951A2 (ja) |
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-
2007
- 2007-01-23 US US12/159,805 patent/US8142509B2/en active Active
- 2007-01-23 EP EP18208272.7A patent/EP3549553A3/en not_active Withdrawn
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- 2007-01-23 WO PCT/US2007/002041 patent/WO2007102951A2/en active Application Filing
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EP3549553A3 (en) | 2020-01-08 |
WO2007102951A2 (en) | 2007-09-13 |
CN101404955A (zh) | 2009-04-08 |
AU2007222102B2 (en) | 2013-09-26 |
CA2637611A1 (en) | 2007-09-13 |
CN103356309A (zh) | 2013-10-23 |
WO2007102951A3 (en) | 2008-02-21 |
US8142509B2 (en) | 2012-03-27 |
EP3549553A2 (en) | 2019-10-09 |
JP2009523569A (ja) | 2009-06-25 |
EP1981442A2 (en) | 2008-10-22 |
US20080300689A1 (en) | 2008-12-04 |
CN103356309B (zh) | 2015-11-25 |
WO2007102951A9 (en) | 2007-10-25 |
CN101404955B (zh) | 2013-08-21 |
CA2637611C (en) | 2015-11-17 |
AU2007222102A1 (en) | 2007-09-13 |
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