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1. 发明专利

JP2013208424A Ultrahigh molecular weight polyethylene composite material and method for manufacturing the same 有权
标题翻译：超高分子量聚乙烯复合材料及其制造方法
公开(公告)号：JP2013208424A
公开(公告)日：2013-10-10
申请号：JP2013036244
申请日：2013-02-26
申请人： Nakashima Medical Co Ltd , ナカシマメディカル株式会社 , Mefs Kk , Mefs株式会社 , Shinshu Univ , 国立大学法人信州大学
发明人： NISHIMURA NAOYUKI , TSUNASHIMA YOSHITAKA , FUKUYO TOMOYUKI , SAITO NAOTO , USUI YUKI , ENDO MORINOBU
IPC分类号： A61L27/00 , A61F2/30
摘要： PROBLEM TO BE SOLVED: To provide an ultrahigh molecular weight polyethylene composite material having excellent abrasion resistance, elastic modulus, and impact resistance at the same time, and capable of being used in a region requiring abrasion resistance as an artificial joint, and to provide a method for manufacturing the same.SOLUTION: An ultrahigh molecular weight polyethylene composite material is obtained by pressurizing and heating a mixture containing ultrahigh molecular weight polyethylene and carbon nanotube and molding the mixture in a prescribed shape. The molecular weight of polyethylene on an interface between the ultrahigh molecular weight polyethylene and the carbon nanotube is smaller than the molecular weight of the ultrahigh molecular weight polyethylene.
摘要翻译：要解决的问题：为了提供同时具有优异的耐磨性，弹性模量和耐冲击性的超高分子量聚乙烯复合材料，并且能够用作需要耐磨性的区域作为人造接头，并且提供其制造方法。解决方案：通过加压和加热含有超高分子量聚乙烯和碳纳米管的混合物并将混合物成型为规定形状，获得超高分子量聚乙烯复合材料。在超高分子量聚乙烯和碳纳米管之间的界面上的聚乙烯的分子量小于超高分子量聚乙烯的分子量。

2. 发明专利

JP2013166682A Method of producing ceramic composite material, and ceramic composite material 有权
标题翻译：生产陶瓷复合材料的方法和陶瓷复合材料
公开(公告)号：JP2013166682A
公开(公告)日：2013-08-29
申请号：JP2012040610
申请日：2012-02-27
申请人： Nakashima Medical Co Ltd , ナカシマメディカル株式会社 , Mefs Kk , Mefs株式会社 , Okayama Univ , 国立大学法人岡山大学 , Shinshu Univ , 国立大学法人信州大学
发明人： NISHIMURA NAOYUKI , TSUNASHIMA YOSHITAKA , FUKUYO TOMOYUKI , KISHIMOTO AKIRA , SAITO NAOTO , USUI YUKI , ENDO MORINOBU
IPC分类号： C04B35/622 , B82Y30/00 , C01B31/02 , C04B35/10
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a ceramics composite material having high fracture toughness value and high intensity by using a binder for combining ceramic powder with carbon nanotube.SOLUTION: A method of producing a ceramics composite material includes: a step of mixing an aqueous medium with an acid for adjusting pH in a pH region where a metal atom comprising ceramics can exist in a cationic state, ceramic powder, a copolymer that contains a phenyl group and a carboxyl group, and carbon nanotube, to obtain a mixed solution where a carbon nanotube-ceramics bound substance is produced in the aqueous medium; a step of drying the mixed solution to product carbon nanotube-ceramics bound powder; and a burning step of shaping and burning the carbon nanotube-ceramics bound powder.
摘要翻译：要解决的问题：提供一种通过使用用于将陶瓷粉末与碳纳米管结合的粘合剂来制造具有高断裂韧性值和高强度的陶瓷复合材料的方法。解决方案：一种陶瓷复合材料的制造方法包括：在含有陶瓷的金属原子可以以阳离子状态存在的pH区域中，与含有苯的基团和羧基的共聚物和碳纳米管混合使用含水介质与pH调节pH，溶液，其中在水性介质中产生碳纳米管 - 陶瓷结合物质; 将混合溶液干燥成碳纳米管 - 陶瓷结合粉末的步骤; 以及对碳纳米管 - 陶瓷结合粉末进行成形和燃烧的燃烧步骤。

3. 发明专利

JP2012170756A Surgical instrument used in artificial knee joint replacement surgery 有权
标题翻译：人工膝关节替代手术中使用的外科手术
公开(公告)号：JP2012170756A
公开(公告)日：2012-09-10
申请号：JP2011037905
申请日：2011-02-24
申请人： Ryutaku Kaneyama , Nakashima Medical Co Ltd , ナカシマメディカル株式会社 , 竜沢金山
发明人： KANEYAMA RYUTAKU , KURAMOTO KOICHI , YAMAMOTO KEITARO , MARUYAMA DAISUKE
IPC分类号： A61F2/46 , A61B17/56
CPC分类号： A61B17/1675 , A61B17/154 , A61B17/155 , A61B17/1764 , A61F2/3836 , A61F2/3859 , A61F2/4657 , A61F2/4684 , A61F2002/30604 , A61F2002/30607 , A61F2002/3895 , A61F2002/4661
摘要： PROBLEM TO BE SOLVED: To determine whether or not a set genuine cut and genuine implant are appropriate by cutting a pre-cut line which is shallower than a genuine cut line before a regular (genuine) implant as a femoral side member is place in artificial knee joint replacement surgery, placing a pre-cut trial, and observing rotation in an extended position, in a flexed position and during flexion.SOLUTION: An end resection surface, a back resection surface and a front resection surface, and a back chamfer resection surface and a front chamfer resection surface are cut on a distal end part of a femur by genuine (regular) cut, a pre-cut trial is placed on a pre-cut line cut shallower than a genuine cut line as a model for a genuine implant on a femoral side to be placed on the resection surfaces, and the extended position, flexed position and flexion state of the femur are observed to determine whether or not the genuine implant is appropriate.
摘要翻译：要解决的问题：通过在作为股骨侧构件的正常（真正）植入物之前切割比真正切割线浅的预切割线来确定是否适合设定的真正切割和正确的植入物放置在人造膝关节置换手术中，进行预切试验，并在伸展位置，弯曲位置和屈曲期间观察旋转。解决方案：通过真正（正常）切口在股骨的远端部分切割末端切除面，后切除面和前切除面，以及后倒角切除面和前倒角切除面，预切试验被放置在比真正切割线更浅的预切割线，作为放置在切除面上的股骨侧真正植入物的模型，并且延伸位置，弯曲位置和屈曲状态观察股骨以确定真正的植入物是否合适。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2011173979A Molded article of ultrahigh molecular weight polyethylene 审中-公开
标题翻译：超高分子量聚乙烯的成型品
公开(公告)号：JP2011173979A
公开(公告)日：2011-09-08
申请号：JP2010038304
申请日：2010-02-24
申请人： Nakashima Medical Co Ltd , ナカシマメディカル株式会社
发明人： TOMITA NAOHIDE , SUGURO TORU , KURAMOTO KOICHI , DOI KENJI , FUJIWARA KUNIHIKO , UETSUKI KEITA
IPC分类号： C08J5/00 , A61L27/00 , B32B27/32 , C08K5/1545 , C08L23/06
摘要： PROBLEM TO BE SOLVED: To provide a molded article which comprises ultrahigh molecular weight polyethylene and at whose arbitrary site ultrahigh molecular weight polyethylene containing vitamin E is arranged to meet characteristics required for the site. SOLUTION: The molded article molded from the ultrahigh molecular weight polyethylene in a prescribed shape is produced by arranging the ultrahigh molecular weight polyethylene containing vitamin E at an arbitrary site of the ultrahigh molecular weight polyethylene. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种包含超高分子量聚乙烯并且其任意位置的超高分子量聚乙烯含有维生素E的模塑制品，以满足该部位所需的特性。解决方案：通过在超高分子量聚乙烯的任意位置配置含有维生素E的超高分子量聚乙烯，制成规定形状的超高分子量聚乙烯成型体。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010000221A Method of molding artificial joint sliding member, and artificial joint sliding member molded by the method 有权
标题翻译：模拟人造丝滑动构件的方法以及由该方法模制的人工接合滑动构件
公开(公告)号：JP2010000221A
公开(公告)日：2010-01-07
申请号：JP2008161372
申请日：2008-06-20
申请人： Nakashima Medical Co Ltd , Naohide Tomita , ナカシマメディカル株式会社 , 直秀富田
发明人： TOMITA NAOHIDE , KURAMOTO KOICHI , FUJIWARA KUNIHIKO , TAKUMA YASUO , TERAMURA SATOSHI , OKUBO YASUSHI
IPC分类号： A61F2/30 , A61L27/00 , B29C43/02 , B29C43/56 , B29K23/00 , B29L31/16 , C08J5/16 , C08J7/00 , C08K5/1545 , C08L23/06
摘要： PROBLEM TO BE SOLVED: To inhibit loosening by manufacturing an artificial joint sliding member made of UHMWPE (ultrahigh molecular weight polyethylene) with evenly dispersed VE (vitamin E) as the material.
SOLUTION: The artificial joint sliding member is molded in a prescribed shape and made of ultrahigh molecular weight polyethylene which slides to the metal or ceramic of the other. In the method of molding the artificial joint sliding member, 0.01-0.3 wt.% vitamin E is added to UHMWPE, the UHMWPE is retained at the temperature in the range from 80 to 140°C at least for 30 minutes before, during or after the molding, and an even dispersion process for evenly dispersing vitamin E in the UHMWPE is implemented.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过制造具有均匀分散的VE（维生素E）作为材料的UHMWPE（超高分子量聚乙烯）制造的人造关节滑动构件来抑制松动。解决方案：人造关节滑动构件被成形为规定形状并由超高分子量聚乙烯制成，其滑动到另一个的金属或陶瓷。在模制人造关节滑动部件的方法中，将0.01-0.3重量％的维生素E加入到UHMWPE中，UHMWPE在80至140℃的温度下保持至少30分钟，之前或之后实施了将维生素E均匀分散在UHMWPE中的成型和均匀分散方法。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2014162692A Method for manufacturing ceramic composite material, and ceramic composite material 有权
标题翻译：制造陶瓷复合材料的方法和陶瓷复合材料
公开(公告)号：JP2014162692A
公开(公告)日：2014-09-08
申请号：JP2013036225
申请日：2013-02-26
申请人： Nakashima Medical Co Ltd , ナカシマメディカル株式会社 , Mefs Kk , Mefs株式会社 , Shinshu Univ , 国立大学法人信州大学
发明人： NISHIMURA NAOYUKI , TSUNASHIMA YOSHITAKA , FUKUYO TOMOYUKI , SAITO NAOTO , USUI YUKI , ENDO MORINOBU
IPC分类号： C04B35/10 , C01B31/02 , C04B35/622
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a ceramic composite material having a high fracture toughness value and a high strength, using a binder to bind a ceramic powder and a carbon nano-tube, and to provide a ceramic composite material.SOLUTION: A method for manufacturing a ceramic composite material includes: a step for mixing an acid to adjust pH to be a pH region where a metal atom constituting ceramic is present as a cation, a ceramic powder, a copolymer having a phenyl group and a carboxyl group, persimmon juice, and a carbon nanotube with an aqueous medium to obtain a mixed solution having a bound substance of carbon nanotube/ceramic formed in the aqueous solution; a step for drying the mixed solution to manufacture a bound substance powder of carbon nanotube/ceramic; and a burning step for molding and burning the bound substance powder of carbon nanotube/ceramic.
摘要翻译：要解决的问题：为了提供一种制造具有高断裂韧性值和高强度的陶瓷复合材料的方法，使用粘合剂将陶瓷粉末和碳纳米管结合，并提供陶瓷复合材料。陶瓷复合材料的制造方法包括：将酸混合以将pH调节为构成陶瓷的金属原子作为阳离子的pH区域，陶瓷粉末，具有苯基和羧基的共聚物的工序组，柿汁和含有水介质的碳纳米管，得到在水溶液中形成的具有碳纳米管/陶瓷结合物质的混合溶液; 干燥混合溶液以制造碳纳米管/陶瓷的结合物质粉末的步骤; 以及用于模塑和燃烧碳纳米管/陶瓷的结合物质粉末的燃烧步骤。

7. 发明专利

JP2013017761A Artificial hip joint 有权
标题翻译：人为诀窍
公开(公告)号：JP2013017761A
公开(公告)日：2013-01-31
申请号：JP2011155370
申请日：2011-07-14
申请人： Nakashima Medical Co Ltd , ナカシマメディカル株式会社 , Kakei Gakuen , 学校法人加計学園
发明人： KANEEDA TOSHIAKI , KURAMOTO KOICHI , TAKAHASHI HIROYUKI
IPC分类号： A61F2/34
CPC分类号： A61F2/34 , A61F2002/30001
摘要： PROBLEM TO BE SOLVED: To provide an artificial hip joint in which: a metallic spring is widely distributed between an outer cup and an inner cup, thereby easing a received shock better; and wear is decreased, thereby controlling the loosening caused by an abrasion powder.SOLUTION: The artificial hip joint includes: a hemisphere and metallic outer cup that is intruded into an acetabula and in which the inside is a cavity; a hemisphere and metallic inner cup that is intruded in the outer cup and in which the inside is similarly a cavity; a substantially spheroidal metallic artificial head that is intruded into the inside of the inner cup to enable precession having a projection; and a neck following a stem inserted in a thighbone and being stuck in the projection of the artificial head, wherein a streak-like elastic body made of a metal is made to intervene to be distributed between the internal surface of the outer cup and the external surface of the inner cup, the elastic body performs elastic deformation and absorbs a shock when the shock is added from the inner cup to the outer cup or inversely, and a gap is kept between the internal surface of the outer cup and the external surface of the inner cup even when the deformation is the maximum.
摘要翻译：要解决的问题：提供一种人造髋关节，其中：金属弹簧广泛分布在外杯和内杯之间，从而更好地缓解接受的冲击; 并且磨损减少，从而控制由磨损粉末引起的松动。解决方案：人造髋关节包括：半球和金属外杯，其被插入到髋臼中，其中内侧是腔; 一个半球和金属内杯被侵入外杯，其内部类似地是一个空腔; 一个基本上是球形的金属人造头，它被插入到内杯的内部，以使得能够进动具有突起; 以及插入大腿骨中的杆并且卡在人造头部的突起中的颈部，其中制成由金属制成的条纹状弹性体，以分布在外杯的内表面和外杯之间内杯的表面，弹性体进行弹性变形，并且当从内杯向外杯加入冲击或相反时吸收冲击，并且在外杯的内表面与外杯的外表面之间保持间隙内杯甚至当变形最大时。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012047510A Sterile environment wear test apparatus 有权
标题翻译：无菌环境磨损试验装置
公开(公告)号：JP2012047510A
公开(公告)日：2012-03-08
申请号：JP2010187995
申请日：2010-08-25
申请人： Mizuho Co Ltd , Nakashima Medical Co Ltd , ナカシマメディカル株式会社 , 瑞穂医科工業株式会社
发明人： TOMITA NAOHIDE , TERAMURA SATOSHI , SUGIMOTO TOMOHIRO , UETSUKI KEITA , SUGINO ATSUSHI
IPC分类号： G01N3/56
摘要： PROBLEM TO BE SOLVED: To perform a wear test on a medical implant member or the like under the same sterile environment as an in-vivo environment.SOLUTION: A sterile environment wear test apparatus evaluates wear properties and status of two sterilized test specimens by pressing and sliding both the test specimens while immersing the test specimens in a lubricating liquid under a sterile environment. In the sterile environment wear test apparatus, a cup for accommodating one test specimen and a head to which the other test specimen is mounted are installed at confronted lower and upper positions, and a flexible cover sealing and overlaying the head and the cup is bridged between the head and the cup.
摘要翻译：要解决的问题：在与体内环境相同的无菌环境下对医疗植入物构件等进行磨损试验。解决方案：无菌环境磨损试验装置在无菌环境下将试样浸入润滑液中时，通过挤压和滑动试样来评估两种灭菌试样的磨损性能和状态。在无菌环境磨损试验装置中，将一个试样和安装另一个试样的头安装在面对的下部和上部位置处，并且将头部和杯子密封并覆盖的柔性盖子桥接在头和杯。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012019919A Intervertebral cage 有权
标题翻译： INTERVERTEBRAL CAGE
公开(公告)号：JP2012019919A
公开(公告)日：2012-02-02
申请号：JP2010159523
申请日：2010-07-14
申请人： Nakashima Medical Co Ltd , ナカシマメディカル株式会社
发明人： TAKAHASHI HIROSHI , KURAMOTO KOICHI , YAMAMOTO KEITARO , HIRATA HIROKO
IPC分类号： A61F2/44
CPC分类号： A61F2/4455 , A61F2/4611 , A61F2002/30387 , A61F2002/30785 , A61F2002/30904 , A61F2002/4475
摘要： PROBLEM TO BE SOLVED: To provide an intervertebral cage insertable from a diagonally rearward side of the body to ensure normal lordosis in that state, providing an easier and less invasive operation for a patient by making operation time shorter and the scar smaller.SOLUTION: The intervertebral cage is inserted from the diagonally backward side to replace a damaged intervertebral disk of the vertebra curved rearward, and is left in place in that state. An upper surface and a lower surface of the body part are formed as inclined surfaces with the insertion side rear end side gradually lower than the forward end side in accordance with the degree of rearward curvature. Projections are formed on the surface to extend right and left when inserted.
摘要翻译：要解决的问题：为了提供从身体的对角后侧插入的椎间盘，以确保在该状态下的正常脊柱前凸，通过使操作时间更短并且瘢痕更小，为患者提供更容易且更小的侵入性操作。
解决方案：椎间盘从对角线后方插入，以更换椎骨向后弯曲的椎间盘损伤，并在该状态下保持原位。主体部的上表面和下表面根据后曲率形成为具有插入侧后端侧逐渐低于前端侧的倾斜面。投影在表面形成，在插入时向左和向右延伸。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2011052289A Method for producing implant made of titanium alloy 审中-公开
标题翻译：生产钛合金植入物的方法
公开(公告)号：JP2011052289A
公开(公告)日：2011-03-17
申请号：JP2009203230
申请日：2009-09-03
申请人： Nakashima Medical Co Ltd , ナカシマメディカル株式会社
发明人： KURAMOTO KOICHI , DOI KENJI , ISHIZAKA HARUHIKO , SUGINO ATSUSHI , FUKUDA EIJI
IPC分类号： B22F3/105 , B22F1/00 , B22F3/16 , C22C14/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an implant made of a titanium alloy which is composed of a laminated molding with a desired shape using a titanium alloy powder having excellent corrosion resistance and high safety.
SOLUTION: The method for producing an implant made of a titanium alloy by a lamination molding process using a titanium alloy powder includes stages shown by the following (a) to (h): (a) a stage where a base plate is installed on the surface of a molding table provided inside a molding chamber; (b) a stage where the pressure in the molding chamber is reduced; (c) a stage where the base plate is preheated; (d) a stage where a powder layer made of the titanium alloy powder is formed on the surface of the base plate; (e) a stage where the surface temperature of the powder layer is preheated to 420 to 680°C by the emission of an electron beam; (f) a stage where an electron beam is emitted along a scanning path based on three-dimensional CAD data, so as to melt and solidify the powder layer; (g) a stage where the molding table is lowered, so as to newly form a powder layer made of the titanium alloy powder; and (h) a stage where the above (e) to (g) are repeated.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种由钛合金制成的植入物的方法，该方法由具有优异耐腐蚀性和高安全性的钛合金粉末的具有所需形状的层压成形体构成。解决方案：通过使用钛合金粉末的层压成型方法制造由钛合金制成的植入物的方法包括以下（a）至（h）所示的阶段：（a）基板为安装在设置在模制室内的成型台的表面上; （b）成型室内的压力降低的阶段; （c）预热基板的阶段; （d）在该基板的表面上形成由钛合金粉末制成的粉末层的阶段; （e）通过发射电子束将粉末层的表面温度预热至420〜680℃的阶段; （f）基于三维CAD数据沿着扫描路径发射电子束的阶段，以使粉末层熔化和固化; （g）成型台下降的阶段，以便重新形成由钛合金粉末制成的粉末层; 和（h）重复上述（e）至（g）的阶段。版权所有（C）2011，JPO＆INPIT

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