JP2018504224A - セラミックオンセラミック摩擦継手をなす可動セラミックプレートを有する全人工膝関節 - Google Patents
セラミックオンセラミック摩擦継手をなす可動セラミックプレートを有する全人工膝関節 Download PDFInfo
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- A—HUMAN NECESSITIES
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- 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
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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
- A61F2/02—Prostheses implantable into the body
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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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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
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Abstract
Description
a.大腿骨要素と可動プレートとの相互摺接面および脛骨プラトーと可動プレートとの相互摺接面は、その全体が単一かつ同一のセラミック材料で構成され、かつ、
b.可動プレートは2つの顆受部(condylar bowls)を備え、大腿骨要素は2つの顆部(condyles)を備え、前記顆部および顆受部は、各々、大腿骨要素および脛骨プラトーのそれぞれの長軸が0°から75°の角度をなすとき、100μm未満の距離だけ互いに離間した相互摺接面を備えている、
全人工膝関節によって達成されることになる。
−顆部および顆受部を形成する円筒部分の回転軸上、または
−顆部および顆受部を形成する球部分の中心を接続する軸上
に位置することになる。
本発明の種々の変更形態が考えられる。例えば、顆部および顆受部の両方が円筒部分の形状を有し、顆間間隙および顆間突部が球部分の形状を有していてもよい。逆に、顆部および顆受部の両方が球部分の形状を有し、顆間間隙および顆間突部が円筒部分の形状を有していてもよい。また、一方の顆部およびその対応する顆受部が球部分の形状を有し、他方の顆部およびその対応する顆受部が円筒部分の形状を有していてもよい。
Claims (15)
- 患者に移植されるための全人工膝関節であって、
長軸(L’)を有する大腿骨要素(1)と、長軸(L)を有する脛骨プラトー(3)と、前記大腿骨要素(1)と前記脛骨プラトー(3)との間にそれらと2つの関節を形成するように介在する可動プレート(2)と、を備えるものにおいて、
a.前記大腿骨要素(1)と前記可動プレート(2)との相互摺接面および前記脛骨プラトー(3)と前記可動プレート(2)との相互摺接面は、その全体が単一かつ同一のセラミック材料で構成され、かつ、
b.前記可動プレート(2)は2つの顆受部(21)を備え、前記大腿骨要素(1)は2つの顆部(11)を備え、前記顆部(11)および前記顆受部(21)は、各々、前記大腿骨要素と前記脛骨プラトーの前記長軸(L,L’)が0°から75°の角度をなすとき、100μmよりも小さい距離だけ互いに離間した相互摺接面を備えている、
全人工膝関節。 - 前記顆受部(21)および前記顆部(11)は、前記大腿骨要素と前記脛骨プラトーの前記長軸(L,L’)が0°から60°の角度をなすとき、100μm未満の距離だけ互いに離間するようになっている、請求項1に記載の人工関節。
- 前記大腿骨要素(1)および前記脛骨プラトー(3)は、0°から135°の屈曲角の範囲内において相互に回転運動可能になっている、請求項1または2に記載の人工関節。
- 前記顆部(11)および前記顆受部(21)の前記相互摺接面は、同一半径Rを有する回転によって生じた円筒部分である、請求項1〜3の何れか一項に記載の人工関節。
- 前記顆部(11)および前記顆受部(21)の前記相互摺接面は、同一半径Rを有する球部分である、請求項1〜4の何れか一項に記載の人工関節。
- 前記顆部(11)および前記顆受部(21)の前記相互摺接面の一方は、半径R’を有する球部分であり、他方は、半径Rを有する回転によって生じた円筒部分であり、前記球の中心は、前記円筒の回転軸上にある、請求項1〜3の何れか一項に記載の人工関節。
- 前記可動プレート(2)は、前記大腿骨要素(1)に向う突起を形成する顆間突部(24)を備え、前記大腿骨要素は、前記顆間突部を収容する顆間間隙(24)を備えている、請求項1〜6の何れか一項に記載の人工関節。
- 前記半径RおよびR’は、22mmから38mm、好ましくは、25mmから35mmの長さを有している、請求項4〜7の何れか一項に記載の人工関節。
- 前記可動プレート(2)は、前記脛骨プラトー(3)の上面の周長よりも小さい周長を有している、請求項1〜8の何れか一項に記載の人工関節。
- 前記脛骨プラトー(3)は、前記可動プレート(2)に向う突起を形成する少なくとも3つのストッパ(32)を備えており、前記ストッパ(32)により、前記脛骨プラトー(3)の表面上の前記可動プレート(2)の移動が制限されるようになっている、請求項1〜9の何れか一項に記載の人工関節。
- 前記可動プレート(2)と前記脛骨プラトー(3)との間の相互摺接面は、実質的に平面である、請求項1〜10の何れか一項に記載の人工関節。
- 前記可動プレート(2)は、前記脛骨プラトー(3)上において±15°の角度で軸を中心として枢動可能になっている、請求項1〜11の何れか一項に記載の人工関節。
- 前記可動プレート(2)および前記脛骨プラトー(2)の前記相互摺接面の隙間は、100μmよりも小さくなっている、請求項1〜12の何れか一項に記載の人工関節。
- 前記セラミック材料は、4mmから14mmの厚みを有している、請求項1〜13の何れか一項に記載の人工関節。
- 前記セラミック材料は、アルミナAl2O3である、請求項1〜14の何れか一項に記載の人工関節。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1550908A FR3032347B1 (fr) | 2015-02-05 | 2015-02-05 | Prothese totale de genou avec couple de frottement ceramique sur ceramique et plateau mobile en ceramique. |
FR1550908 | 2015-02-05 | ||
PCT/EP2016/052486 WO2016124731A1 (fr) | 2015-02-05 | 2016-02-05 | Prothese totale de genou avec couple de frottement ceramique sur ceramique et plateau mobile en ceramique |
Publications (2)
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JP2018504224A true JP2018504224A (ja) | 2018-02-15 |
JP6755252B2 JP6755252B2 (ja) | 2020-09-16 |
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JP2017540826A Active JP6755252B2 (ja) | 2015-02-05 | 2016-02-05 | セラミックオンセラミック摩擦継手をなす可動セラミックプレートを有する全人工膝関節 |
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US (2) | US10667920B2 (ja) |
EP (1) | EP3253334B1 (ja) |
JP (1) | JP6755252B2 (ja) |
KR (1) | KR102568088B1 (ja) |
CN (1) | CN107530171B (ja) |
FR (1) | FR3032347B1 (ja) |
WO (1) | WO2016124731A1 (ja) |
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CN104887354B (zh) * | 2015-02-10 | 2017-06-30 | 江苏奥康尼医疗科技发展有限公司 | 一种组合式有机高分子材料人工膝关节 |
TWI786139B (zh) * | 2018-06-22 | 2022-12-11 | 財團法人工業技術研究院 | 人工關節 |
CN112971963B (zh) * | 2021-02-05 | 2023-07-21 | 山东大学齐鲁医院(青岛) | 一种胫骨平台取出装置 |
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US4888021A (en) * | 1988-02-02 | 1989-12-19 | Joint Medical Products Corporation | Knee and patellar prosthesis |
DE4009360A1 (de) * | 1990-02-16 | 1991-08-22 | Friedrichsfeld Gmbh | Kniegelenk-endoprothese |
AUPN089495A0 (en) * | 1995-02-03 | 1995-03-02 | Denupo Pty. Ltd. | Knee prosthesis |
US5871546A (en) * | 1995-09-29 | 1999-02-16 | Johnson & Johnson Professional, Inc. | Femoral component condyle design for knee prosthesis |
US5871543A (en) * | 1996-02-23 | 1999-02-16 | Hofmann; Aaron A. | Tibial prosthesis with mobile bearing member |
GB2341803B (en) * | 1998-09-24 | 2000-10-25 | Corin Medical Ltd | A knee prosthesis |
US6554866B1 (en) * | 1999-10-29 | 2003-04-29 | Sulzer Orthopedics Ltd. | Mono-condylar knee joint prosthesis |
FR2805454B1 (fr) * | 2000-02-24 | 2003-01-10 | Aesculap Sa | Prothese du genou a cavite dans la trochlee |
ITVI20000025U1 (it) | 2000-04-07 | 2001-10-07 | Tecres Spa | Dispositivo distanziatore temporaneo per il trattamento chirurgico del ginocchio |
US7776085B2 (en) * | 2001-05-01 | 2010-08-17 | Amedica Corporation | Knee prosthesis with ceramic tibial component |
US7753960B2 (en) * | 2004-02-26 | 2010-07-13 | Omni Life Science, Inc. | Modular knee prosthesis |
US20100042225A1 (en) | 2007-08-27 | 2010-02-18 | Vladimir Shur | Knee prosthesis |
CN101548915A (zh) | 2008-04-01 | 2009-10-07 | 曼德卡姆有限公司 | 一种人工膝关节 |
FR2932079B1 (fr) | 2008-06-06 | 2010-07-30 | Michel Bercovy | Prothese totale de genou |
EP2272466A1 (en) * | 2009-07-10 | 2011-01-12 | Medizinische Hochschule Hannover | Knee joint prosthesis and method for producing said prosthesis |
US8906105B2 (en) * | 2009-08-11 | 2014-12-09 | Michael D. Ries | Systems and methods for mobile bearing prosthetic knee |
AU2011377371B2 (en) * | 2011-09-19 | 2017-02-02 | Tecres S.P.A. | Temporary modular spacer device for joints of the human body |
US8808387B2 (en) * | 2012-01-26 | 2014-08-19 | Epic Ortho, LLC | Prosthetic joint |
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JP6755252B2 (ja) | 2020-09-16 |
US11160658B2 (en) | 2021-11-02 |
US10667920B2 (en) | 2020-06-02 |
WO2016124731A1 (fr) | 2016-08-11 |
CN107530171A (zh) | 2018-01-02 |
KR20170132147A (ko) | 2017-12-01 |
FR3032347A1 (fr) | 2016-08-12 |
US20200246153A1 (en) | 2020-08-06 |
FR3032347B1 (fr) | 2019-12-20 |
CN107530171B (zh) | 2020-06-16 |
EP3253334B1 (fr) | 2019-04-03 |
US20180036130A1 (en) | 2018-02-08 |
KR102568088B1 (ko) | 2023-08-18 |
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