CN103584931B - 一种仿生梯度膝关节股骨假体结构及其制造方法 - Google Patents
一种仿生梯度膝关节股骨假体结构及其制造方法 Download PDFInfo
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- 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)
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Abstract
Description
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CN201310503846.2A CN103584931B (zh) | 2013-10-23 | 2013-10-23 | 一种仿生梯度膝关节股骨假体结构及其制造方法 |
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Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103860293B (zh) * | 2014-03-07 | 2016-04-06 | 北京大学第三医院 | 一种全膝关节置换假体的个性化逆向设计与制造方法 |
CN103860295A (zh) * | 2014-03-07 | 2014-06-18 | 北京大学第三医院 | 一种膝关节胫骨假体的数字化设计与制造方法 |
CN105662657B (zh) * | 2015-06-02 | 2018-05-08 | 北京大学第三医院 | 一种前髁匹配型人工膝关节股骨假体 |
CN105224759B (zh) * | 2015-10-13 | 2018-03-20 | 张帆 | 一种人体解剖结构模型、植入物快速成型方法 |
CN105596116A (zh) * | 2015-11-05 | 2016-05-25 | 宝鸡文理学院 | 一种个性化硬组织缺损修复体及其制造方法 |
CN105288738A (zh) * | 2015-11-18 | 2016-02-03 | 深圳市艾科赛龙科技有限公司 | 一种骨细胞培养的三维微环境结构体 |
CN105455925A (zh) * | 2016-01-11 | 2016-04-06 | 佛山市安齿生物科技有限公司 | 一种基于激光选区熔化技术制备骨修补植入物的方法 |
CN105434085A (zh) * | 2016-01-11 | 2016-03-30 | 王金成 | 一种3d打印个体化定制全腕关节及其制作方法 |
CN105769389A (zh) * | 2016-03-24 | 2016-07-20 | 广州市健齿生物科技有限公司 | 一种紧密排列的人工多孔骨结构 |
CN105798305A (zh) * | 2016-03-24 | 2016-07-27 | 广州市健齿生物科技有限公司 | 一种人工多孔骨结构的制作方法 |
CN106388975B (zh) * | 2016-04-11 | 2018-06-29 | 四川大学华西医院 | 3d打印仿骨小梁多孔承重金属假体 |
CN106388976B (zh) * | 2016-04-11 | 2018-06-29 | 四川大学华西医院 | 3d打印仿骨小梁多孔承重增强金属假体 |
CN106180708B (zh) * | 2016-06-30 | 2019-01-08 | 浙江工业大学 | 金属增材制造中的可控多孔网状支撑结构及其制作方法 |
CN106983551B (zh) * | 2017-05-12 | 2019-06-14 | 国家康复辅具研究中心 | 刚度梯度变化的多孔复合骨板及其制备方法 |
CN107638231A (zh) * | 2017-06-22 | 2018-01-30 | 宁波创导三维医疗科技有限公司 | 胸部填充物及其制造方法 |
CN107647941A (zh) * | 2017-11-02 | 2018-02-02 | 广州华钛三维材料制造有限公司 | 一种金属骨小梁及包含所述金属骨小梁的骨骼植入物 |
CN107647943A (zh) * | 2017-11-02 | 2018-02-02 | 广州华钛三维材料制造有限公司 | 一种金属骨小梁及包含所述金属骨小梁的骨骼植入物 |
CN107952962B (zh) * | 2017-11-20 | 2019-11-26 | 淮阴工学院 | 一种功能梯度仿生结构钛合金人工植入体及其成形方法 |
CN107837133A (zh) * | 2017-12-14 | 2018-03-27 | 中奥汇成科技股份有限公司 | 一种新型仿生钛人工关节假体 |
CN108388739B (zh) * | 2018-03-01 | 2020-11-03 | 吉林大学 | 一种非匀质仿生结构増材制造方法 |
CN110215318A (zh) * | 2018-03-02 | 2019-09-10 | 上海长征医院 | 一种利用3d打印技术制备人工关节假体的方法 |
CN108294849B (zh) * | 2018-03-14 | 2023-12-15 | 华南理工大学 | 一种可变模量的个性化股骨柄假体及制造方法 |
CN108763702B (zh) * | 2018-05-18 | 2020-09-01 | 西南交通大学 | 一种深度梯度变化微织构车刀仿生设计方法 |
CN109091273B (zh) * | 2018-06-13 | 2020-05-26 | 西安交通大学 | 一种基于拓扑结构优化的个性化盆骨内置假体设计方法 |
CN109172049A (zh) * | 2018-09-13 | 2019-01-11 | 浙江工业大学 | 一种基于分层片状杆连接的多孔网状结构骨科修复植入体的设计制作方法及植入体 |
CN109172051A (zh) * | 2018-10-16 | 2019-01-11 | 北京航空航天大学 | 新型吸能减震髋臼杯 |
CN110103474B (zh) * | 2019-04-04 | 2021-03-26 | 同济大学 | 一种基于应力调控的零件仿生结构增材制造方法 |
CN110236741B (zh) * | 2019-04-15 | 2024-03-22 | 浙江工业大学 | 一种具有拓扑优化固定单元和多孔髁突头单元的个性化髁突假体设计方法及个性化髁突假体 |
CN110772359B (zh) * | 2019-10-15 | 2022-02-01 | 佛山市第一人民医院(中山大学附属佛山医院) | 一种关节假体的制造方法及其试模的制造方法 |
CN110974488B (zh) * | 2019-12-31 | 2021-09-14 | 吉林大学 | 基于断骨骨面的泰森多边形仿生人工骨结构的制备方法 |
TWI792094B (zh) * | 2020-11-13 | 2023-02-11 | 財團法人工業技術研究院 | 多孔結構及其製法 |
CN112690930B (zh) * | 2020-12-18 | 2022-05-17 | 华南理工大学 | 一种多材料多孔股骨远端植入体的制造方法 |
CN113069175A (zh) * | 2021-03-30 | 2021-07-06 | 成都博思达康医疗科技有限公司 | 一种膝关节内外翻截骨矫形导板及其制作方法 |
CN113319291A (zh) * | 2021-04-21 | 2021-08-31 | 中国科学院金属研究所 | 一种基于4d打印形状可恢复个性化定制股骨柄的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1647778A (zh) * | 2004-11-29 | 2005-08-03 | 西安理工大学 | 孔结构呈梯度变化的球形内孔人工骨的制备方法 |
CN1953720A (zh) * | 2004-03-30 | 2007-04-25 | 法恩扎Fin-陶瓷股份公司 | 用于骨组织重建的生物活性假体装置的制备方法及假体装置 |
CN101842062A (zh) * | 2007-09-25 | 2010-09-22 | 拜欧米特制造公司 | 非骨水泥型胫骨托 |
CN102760199A (zh) * | 2011-04-27 | 2012-10-31 | 陆声 | 用于膝关节置换的导航模板制作方法及导航模板 |
CN102805677A (zh) * | 2003-11-25 | 2012-12-05 | 康复米斯公司 | 患者选择性膝关节成形装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5198308A (en) * | 1990-12-21 | 1993-03-30 | Zimmer, Inc. | Titanium porous surface bonded to a cobalt-based alloy substrate in an orthopaedic implant device |
JP4431491B2 (ja) * | 2002-05-24 | 2010-03-17 | メディシンロッジ インコーポレイテッド | 膝の関節形成のための大腿要素 |
US7258701B2 (en) * | 2004-01-12 | 2007-08-21 | Depuy Products, Inc. | Systems and methods for compartmental replacement in a knee |
US8070821B2 (en) * | 2005-12-27 | 2011-12-06 | Howmedica Osteonics Corp. | Hybrid femoral implant |
US20110230973A1 (en) * | 2007-10-10 | 2011-09-22 | Zimmer, Inc. | Method for bonding a tantalum structure to a cobalt-alloy substrate |
KR20110090922A (ko) * | 2008-10-29 | 2011-08-10 | 스미스 앤드 네퓨, 인크. | 증가된 표면 조도를 갖는 다공성 표면층 및 이를 갖는 임플란트 |
-
2013
- 2013-10-23 CN CN201310503846.2A patent/CN103584931B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102805677A (zh) * | 2003-11-25 | 2012-12-05 | 康复米斯公司 | 患者选择性膝关节成形装置 |
CN1953720A (zh) * | 2004-03-30 | 2007-04-25 | 法恩扎Fin-陶瓷股份公司 | 用于骨组织重建的生物活性假体装置的制备方法及假体装置 |
CN1647778A (zh) * | 2004-11-29 | 2005-08-03 | 西安理工大学 | 孔结构呈梯度变化的球形内孔人工骨的制备方法 |
CN101842062A (zh) * | 2007-09-25 | 2010-09-22 | 拜欧米特制造公司 | 非骨水泥型胫骨托 |
CN102760199A (zh) * | 2011-04-27 | 2012-10-31 | 陆声 | 用于膝关节置换的导航模板制作方法及导航模板 |
Non-Patent Citations (3)
Title |
---|
基于CT图像的个性化人工膝关节设计与制造研究;张建宏 等;《机械设计与制造》;20070331(第3期);115-117 * |
基于RE/RP的个性化人工膝关节设计;田喜燕;《中国优秀硕士学位论文全文数据库 医药卫生科技辑》;20121015(第10期);正文部分第1章1.3节 第3章3.1、3.4节 第6章 * |
基于计算机CAD/CAE的个体化人工膝关节假体的设计;王彩梅 等;《生物骨科材料与临床研究》;20081031;第5卷(第5期);47-51 * |
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