JP2021514685A - 関節スペーサプロテーゼ及びそれを有する関節プロテーゼ - Google Patents
関節スペーサプロテーゼ及びそれを有する関節プロテーゼ Download PDFInfo
- Publication number
- JP2021514685A JP2021514685A JP2019533653A JP2019533653A JP2021514685A JP 2021514685 A JP2021514685 A JP 2021514685A JP 2019533653 A JP2019533653 A JP 2019533653A JP 2019533653 A JP2019533653 A JP 2019533653A JP 2021514685 A JP2021514685 A JP 2021514685A
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- Prior art keywords
- joint
- spacer
- prosthesis
- elastic
- contact surface
- 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.)
- Granted
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
Claims (16)
- 関節を形成する第1の骨と第2の骨との間に設置される弾性スペーサ(10)を含み、前記弾性スペーサ(10)は、
前記第1の骨に向かう第1の接触面、前記第2の骨に向かう第2の接触面を有する弾性基体と、
前記弾性基体内に分布し、前記第1の接触面と前記第2の接触面とを連通させ、前記弾性基体の硬さが中央部から縁部へと徐々に上昇して前記弾性基体の弾性が中央部から縁部へと徐々に低下するように所定の方式で配置されている複数の関節液通路と、を含むことを特徴とする関節スペーサプロテーゼ。 - 前記複数の関節液通路は、前記第1の接触面から前記第2の接触面への方向に沿って配置されてそれぞれが複数の収容室(11)を含む複数の収容室層と、それぞれが隣接する2つの前記収容室層の間に接続された複数の流通路(12)と、を含むことを特徴とする請求項1に記載の関節スペーサプロテーゼ。
- 前記複数の収容室層の容積は、前記第1の接触面から前記第2の接触面への方向に沿って徐々に小さくなることを特徴とする請求項2に記載の関節スペーサプロテーゼ。
- 前記複数の収容室(11)は、前記第1の接触面から前記第2の接触面への方向に沿って徐々に小さくなることを特徴とする請求項3に記載の関節スペーサプロテーゼ。
- 同一の前記収容室層内にある複数の前記収容室(11)の容積は、中央部から縁部へと徐々に小さくなることを特徴とする請求項2に記載の関節スペーサプロテーゼ。
- 前記関節液通路はさらに、少なくとも1つの前記収容室(11)及び/又は少なくとも1つの前記流通路(12)と連通し、内部に逆止弁(14)が設置された流入通路(13)を含むことを特徴とする請求項2に記載の関節スペーサプロテーゼ。
- 前記第1の骨と前記第2の骨との間に設置され、内部に前記弾性スペーサ(10)が設置された収容溝(21)を有し、硬さが前記弾性スペーサ(10)より大きいスペーサ基体(20)をさらに含むことを特徴とする請求項1−6のいずれか一項に記載の関節スペーサプロテーゼ。
- 前記弾性基体の周方向側壁に位置決め凸部(15)が設置され、前記収容溝(21)の、前記位置決め凸部(15)に対応する位置に位置決め溝(25)が設置されることを特徴とする請求項7に記載の関節スペーサプロテーゼ。
- 前記スペーサ基体(20)の底面に流通溝(26)が設置され、前記収容溝(21)の底部に連通孔(27)が設置され、かつ前記流通溝(26)と連通することにより、関節液が前記流通溝(26)及び前記連通孔(27)を通過して前記収容溝(21)に入ることができることを特徴とする請求項7に記載の関節スペーサプロテーゼ。
- 請求項6に記載の関節スペーサプロテーゼであり、前記スペーサ基体(20)はさらに、入口が前記スペーサ基体(20)の頂面まで延伸して出口が給液通路と連通する連通通路(28)を含むことを特徴とする請求項7に記載の関節スペーサプロテーゼ。
- 前記スペーサ基体(20)の周方向の外側に設置された補強リング(30)をさらに含むことを特徴とする請求項7に記載の関節スペーサプロテーゼ。
- 前記補強リング(30)は、前記スペーサ基体(20)と接触して融合できる浸入層(33)と、前記関節周囲の軟組織が成長して入ることができる整合層(31)と、前記浸入層(33)と前記整合層(31)との間に設置された隔離層(32)と、を含むことを特徴とする請求項11に記載の関節スペーサプロテーゼ。
- 前記浸入層(33)と前記整合層(31)は、いずれも多孔質構造であり、前記浸入層(33)の多孔質構造の孔径が500μm〜3000μmにあり、前記整合層(31)の多孔質構造の孔径が400μm〜2000μmにあることを特徴とする請求項12に記載の関節スペーサプロテーゼ。
- 前記弾性スペーサ(10)は、弾性を有する透明な高分子材料又は複合材料で製造されることを特徴とする請求項1に記載の関節スペーサプロテーゼ。
- 関節スペーサプロテーゼを含む関節プロテーゼであって、前記関節スペーサプロテーゼは、請求項1−14のいずれか一項に記載の関節スペーサプロテーゼであることを特徴とする関節プロテーゼ。
- 前記関節プロテーゼは、さらに脛骨プラトープロテーゼと、大腿骨顆部プロテーゼを含む膝関節プロテーゼであることを特徴とする請求項14に記載の関節プロテーゼ。
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CN111084677A (zh) * | 2019-11-29 | 2020-05-01 | 北京力达康科技有限公司 | 一种膝关节假体 |
CN111281610B (zh) * | 2019-12-30 | 2023-08-18 | 雅博尼西医疗科技(苏州)有限公司 | 多孔性结构和基底的连接结构 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994026204A1 (en) * | 1993-05-10 | 1994-11-24 | Depuy Inc. | Orthopedic device |
US6258126B1 (en) * | 1997-09-09 | 2001-07-10 | Depuy Orthopaedics, Inc. | Cushioned joint prosthesis |
US20080103607A1 (en) * | 2006-10-27 | 2008-05-01 | Krehl Frieder W | Endoprosthesis, in particular knee joint prosthesis |
US20110015750A1 (en) * | 2007-05-16 | 2011-01-20 | Zimmer, Inc. | knee system and method of making same |
CN105816259A (zh) * | 2016-05-20 | 2016-08-03 | 北京爱康宜诚医疗器材有限公司 | 柔性膝关节假体 |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5934252A (ja) * | 1982-08-23 | 1984-02-24 | 有限会社友信開発 | 低摩擦人工関節 |
US5549700A (en) * | 1993-09-07 | 1996-08-27 | Ortho Development Corporation | Segmented prosthetic articulation |
US7396505B2 (en) * | 1994-08-12 | 2008-07-08 | Diamicron, Inc. | Use of CoCrMo to augment biocompatibility in polycrystalline diamond compacts |
FR2743716B1 (fr) * | 1996-01-23 | 1998-04-10 | Tornier Sa | Prothese tibiale |
US5916269A (en) * | 1996-06-03 | 1999-06-29 | Depuy Orthopaedics, Inc. | Wear reduced acetabular component |
US6099531A (en) | 1998-08-20 | 2000-08-08 | Bonutti; Peter M. | Changing relationship between bones |
US20030114936A1 (en) * | 1998-10-12 | 2003-06-19 | Therics, Inc. | Complex three-dimensional composite scaffold resistant to delimination |
AU2002213351A1 (en) * | 2000-10-17 | 2002-04-29 | Maria-Grazia Ascenzi | System and method for modeling bone structure |
US6569202B2 (en) * | 2001-04-02 | 2003-05-27 | Whiteside Biomechanics, Inc. | Tray and liner for joint replacement system |
JP2002325781A (ja) * | 2001-04-27 | 2002-11-12 | Kobe Steel Ltd | 人工関節インプラント部材 |
US7212958B2 (en) * | 2001-10-17 | 2007-05-01 | Maria-Grazia Ascenzi | Method and system for modelling bone structure |
GR1004345B (el) * | 2001-12-11 | 2003-09-11 | Δημητριος Ιωαννου Σιφναιος | Τεχνητη ενδοπροθεση γονατος ή και αλλων αρθρωσεων με δυνατοτητες γλοιοελαστικης απορροφησης φορτιων, βελτιωμενους μηχανισμους αυτολιπανσης και φιλτραρισμα ξενων μικροσωματιδιων |
CN100586398C (zh) | 2002-05-23 | 2010-02-03 | 活性移植公司 | 植入体 |
CN2565426Y (zh) * | 2002-09-05 | 2003-08-13 | 上海大学 | 一种人工关节 |
ATE407644T1 (de) * | 2003-07-22 | 2008-09-15 | Synthes Gmbh | Gelenkendoprothese |
EP1648348B1 (en) * | 2003-07-24 | 2015-06-17 | Tecomet Inc. | Assembled non-random foams |
US7976858B2 (en) * | 2004-01-13 | 2011-07-12 | The Hospital For Special Surgery | Drug delivery to a joint |
US20090234453A1 (en) * | 2005-03-17 | 2009-09-17 | Active Implants Corporation | Implant devices |
US7361192B2 (en) * | 2005-04-22 | 2008-04-22 | Doty Keith L | Spinal disc prosthesis and methods of use |
US20060276900A1 (en) * | 2005-06-01 | 2006-12-07 | Carpenter Clyde T | Anatomic total disc replacement |
US8403985B2 (en) | 2005-11-02 | 2013-03-26 | Zimmer, Inc. | Joint spacer implant |
CA2572095C (en) * | 2005-12-30 | 2009-12-08 | Howmedica Osteonics Corp. | Laser-produced implants |
US20070179613A1 (en) * | 2006-01-30 | 2007-08-02 | Sdgi Holdings, Inc. | Passive lubricating prosthetic joint |
US8715352B2 (en) * | 2006-12-14 | 2014-05-06 | Depuy Spine, Inc. | Buckling disc replacement |
US8979938B2 (en) * | 2007-11-08 | 2015-03-17 | Linares Medical Devices, Llc | Artificial knee implant including liquid ballast supporting / rotating surfaces and incorporating flexible multi-material and natural lubricant retaining matrix applied to a joint surface |
EP2299942A1 (en) | 2008-07-14 | 2011-03-30 | Synthes GmbH | Flexible dampening intervertebral spacer device |
US20100331998A1 (en) * | 2009-06-30 | 2010-12-30 | Ringeisen Timothy A | Electrokinetic device for tissue repair |
DE202011002311U1 (de) * | 2011-02-03 | 2012-02-06 | Zwo3Vier Gbr (Vertretungsb. Gesell.: Stephan Caspers, 51375 Leverkusen, Dr.Med. Ulrich Caspers, 51519 Odenthal) | Vorrichtung zur Arthroskopiesimulation und Tibiaelement |
ES2738668T3 (es) * | 2011-12-08 | 2020-01-24 | Moximed Inc | Separadores para redistribuir fuerzas para la rótula |
WO2014028635A1 (en) | 2012-08-14 | 2014-02-20 | Ball Hieu T | Interbody spacer |
DE102013016899A1 (de) | 2013-10-11 | 2015-05-21 | Josef Jansen | Gelenkspacer |
CN105055049B (zh) * | 2015-09-21 | 2017-04-12 | 中南大学湘雅医院 | 一种用于全关节镜下膝关节交叉韧带重建的内置假体 |
HK1258346A1 (zh) * | 2015-10-05 | 2019-11-08 | 孚美公司 | 醫療植入物和用於醫療植入物的固定系統 |
CN107157625A (zh) * | 2017-06-29 | 2017-09-15 | 江苏奥康尼医疗科技发展有限公司 | 一种髋关节股骨球头假体及其制备方法 |
CN208274652U (zh) * | 2017-07-17 | 2018-12-25 | 林克骨科(中国)有限公司 | 人工膝关节 |
CN208259803U (zh) * | 2017-07-17 | 2018-12-21 | 林克骨科(中国)有限公司 | 半月板衬垫及胫骨托组件 |
US10729558B2 (en) * | 2017-08-18 | 2020-08-04 | Zimmer, Inc. | Methods and systems for patient-specific acetabular implants |
CN210019804U (zh) * | 2019-02-01 | 2020-02-07 | 北京爱康宜诚医疗器材有限公司 | 关节垫片假体及具有其的关节假体 |
US11730884B2 (en) * | 2019-09-05 | 2023-08-22 | Forcast Orthopedics Inc. | Implantable externally driven fluid delivery system |
-
2019
- 2019-02-01 CN CN201910105642.0A patent/CN110074900B/zh active Active
- 2019-04-04 JP JP2019533653A patent/JP7015309B2/ja active Active
- 2019-04-04 EP EP19914127.6A patent/EP3868340A4/en active Pending
- 2019-04-04 US US17/042,962 patent/US11331195B2/en active Active
- 2019-04-04 WO PCT/CN2019/081498 patent/WO2020155378A1/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994026204A1 (en) * | 1993-05-10 | 1994-11-24 | Depuy Inc. | Orthopedic device |
US6258126B1 (en) * | 1997-09-09 | 2001-07-10 | Depuy Orthopaedics, Inc. | Cushioned joint prosthesis |
US20080103607A1 (en) * | 2006-10-27 | 2008-05-01 | Krehl Frieder W | Endoprosthesis, in particular knee joint prosthesis |
US20110015750A1 (en) * | 2007-05-16 | 2011-01-20 | Zimmer, Inc. | knee system and method of making same |
CN105816259A (zh) * | 2016-05-20 | 2016-08-03 | 北京爱康宜诚医疗器材有限公司 | 柔性膝关节假体 |
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EP3868340A4 (en) | 2021-12-22 |
JP7015309B2 (ja) | 2022-02-02 |
US11331195B2 (en) | 2022-05-17 |
CN110074900A (zh) | 2019-08-02 |
EP3868340A1 (en) | 2021-08-25 |
US20210353423A1 (en) | 2021-11-18 |
WO2020155378A1 (zh) | 2020-08-06 |
CN110074900B (zh) | 2024-04-02 |
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