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    • 1. 发明授权
    • Medical instrument and metal product
    • 医疗仪器和金属制品
    • US08900291B2
    • 2014-12-02
    • US13390194
    • 2010-08-12
    • Tetsuya SuzukiKazunori Murakami
    • Tetsuya SuzukiKazunori Murakami
    • A61L27/00C23C16/26A61L31/08A61F2/915A61F2/88A61L31/02
    • A61L31/088A61F2/88A61F2/915A61F2310/0058A61L31/022A61L2420/08C23C16/26Y10T428/24942Y10T428/30Y10T428/31678
    • [Object] To provide a medical instrument capable of more effectively inhibiting a cracking and separation than conventional ones.[Solution Means] A stent comprising a substrate layer 10 of which at least the surface is composed of a metal material, a carbon compound layer 12 that is formed so as to coat the surface of the substrate layer 10 and that contains at least one metal element, a first DLC layer 14 that is formed so as to coat the surface of the carbon compound layer 12 and that is free of fluorine, and a second DLC layer 16 that is formed so as to coat the surface of the first DLC layer 14 and that contains fluorine. The stent being constituted to satisfy the relationship defined by the expression of “A1>A2>A3”, wherein A1 is a surface free energy of the carbon compound layer 12, A2 is a surface free energy of the first DLC layer 14, and A3 is a surface free energy of the second DLC layer 16.
    • 本发明提供能够比现有技术更有效地抑制裂解和分离的医疗器械。 [解决方案]一种支架,其包括基材层10,其至少表面由金属材料构成,碳化合物层12形成为涂覆基材层10的表面并且含有至少一种金属 元素,形成为涂覆碳化合物层12的表面并且不含氟的第一DLC层14和形成为涂覆第一DLC层14的表面的第二DLC层16 并含有氟。 支架构成为满足由“A1> A2> A3”的表达式定义的关系,其中A1是碳化合物层12的表面自由能,A2是第一DLC层14的表面自由能,而A3 是第二DLC层16的表面自由能。
    • 3. 发明申请
    • Stent
    • 支架
    • US20050015136A1
    • 2005-01-20
    • US10490736
    • 2002-10-16
    • Ken IkeuchiKouji MoriHiroo IwataKazuaki MitsudouHiroaki NomiyamaYoshiharu YoshikawaMasatoshi WatanabeShuzou YamashitaKazunori Murakami
    • Ken IkeuchiKouji MoriHiroo IwataKazuaki MitsudouHiroaki NomiyamaYoshiharu YoshikawaMasatoshi WatanabeShuzou YamashitaKazunori Murakami
    • A61F2/915A61M29/02A61F2/06
    • A61F2/915A61F2/91A61F2002/91533A61F2002/91558A61F2002/91575
    • A stent (1) having a generally tubular body formed of ring units formed of a plurality of cells each and being expandable in the radius direction thereof from inside, wherein each ring unit (4) is constituted of the plurality of cells (6) connected to one another above and below and arranged so as to surround the center line (C1) of the stent forming said tubular body, the ring units are arranged in the axial direction of the stent, ring units are connected through at least one site with connector portions (5), each connector portion is formed of curved portions (8) having at least 2 arches and a generally linear portion (7) continued thereto and therefrom, 3 to 8 cells are arranged in the axial direction of the stent per 10 mm of the length of the stent, and the ratio of the length (6L) of the cell in the axial direction of the stent and the length (5L) of the connector portion in the axial direction of the stent is determined such that on the basis that when the length of the cell in the axial direction of the stent is taken as 100, the length of the connector portion in the axial direction of the stent is 50 to 100, thereby high flexibility and radial sustaining force are secured, the stent is improved in capability of dilating a blood vessel, and foreshortening and a flare phenomenon can be prevented.
    • 一种支架(1),其具有由多个单元形成的环状单元形成的大致管状体,所述多个单元各自由内部向其半径方向扩展,其中,每个环形单元(4)由连接的多个单元(6)构成 并且布置成围绕形成所述管状体的支架的中心线(C1)布置,环形单元沿支架的轴向布置,环形单元通过至少一个位置连接到连接器 部分(5),每个连接器部分由具有至少2个拱形部分和大致直线部分(7)连续的弯曲部分(8)形成,并且由此在支架的轴向方向上每10mm设置3至8个电池 支架长度的长度(6L)与支架轴向长度(6L)与连接器部分在支架轴向方向上的长度(5L)的比值确定为: 当细胞的长度在 将支架的轴向取为100,连接器部分在支架的轴向上的长度为50〜100,由此确保高柔性和径向维持力,支架能够提高血管扩张能力 ,并且可以防止缩短和闪光现象。
    • 9. 发明授权
    • Postobjective optical deflector
    • 背景光学偏转器
    • US5204769A
    • 1993-04-20
    • US904011
    • 1992-06-25
    • Yasuo MatsumotoKazunori MurakamiTomonori IkumiYasuo Iwafune
    • Yasuo MatsumotoKazunori MurakamiTomonori IkumiYasuo Iwafune
    • G02B5/09
    • G02B5/09
    • A postobjective optical deflector comprising: a polygonal optical deflector (polygonal rotating mirror) having a plurality of convex reflecting surfaces each being curved surface other than a spherical surface or a portion of a cylindrical surface; and a pseudocylindrical lens disposed between the polygonal optical deflector and an objective surface, having a cylindrical surface having its power in the feed direction or a rotationally symmetric surface rotationally symmetric with respect to an axis of rotational symmetry parallel to the scanning direction, and a curved surface represented by a polynomical of even degree and having its power in the scanning direction. The combined performance of the correcting effects of the polygonal optical deflector and the pseudocylindrical lens corrects the curvature of image surfaces and f.theta. characteristics at a high accuracy.
    • 一种后目标光学偏转器,包括:多边形光学偏转器(多边形旋转反射镜),具有多个凸形反射表面,每个凸出的反射表面是除球形表面或圆柱形表面的一部分之外的曲面; 以及设置在所述多边形光学偏转器和物镜表面之间的假圆柱形透镜,其具有在进给方向上具有其功率的圆柱形表面或相对于平行于扫描方向的旋转对称轴线旋转对称的旋转对称表面,以及弯曲 表面由均匀度的多项式表示,并具有扫描方向的力。 多边形光学偏转器和伪柱面透镜的校正效果的组合性能以高精度校正图像表面的曲率和fθ特性。
    • 10. 发明授权
    • Postobjective optical scanner
    • 背景光学扫描仪
    • US5153766A
    • 1992-10-06
    • US772651
    • 1991-10-07
    • Yasuo MatsumotoKazunori MurakamiTomonori IkumiYasuo Iwafune
    • Yasuo MatsumotoKazunori MurakamiTomonori IkumiYasuo Iwafune
    • G02B5/09
    • G02B5/09
    • A postobjective optical scanner comprising a polygonal optical deflector having a plurality of reflecting surfaces each being a curved surface varying in curvature from position to position thereon; and a correcting lens disposed between the polygonal optical deflector and the objective surface on an optical path, and having a rotationally symmetric curved surface of incidence having a cross section having the shape of an arc of a circle with its center on the axis of rotational symmetry, rotationally symmetric with respect to a plane including the axis of rotation of the polygonal optical deflector and perpendicular to the axis of rotational symmetry and having its power in both the feed direction and the scanning direction, and a surface of departure symmetrical with respect to a plane perpendicular to the scanning direction and having its power in the scanning direction. The combined performance of the correcting effects of the polygonal optical deflector and the correcting lens corrects the curvature of image surfaces and f-.theta. characteristics at a high accuracy.
    • 一种体外光学扫描器,包括多边形光学偏转器,该多边形光学偏转器具有多个反射表面,每个反射表面是从其位置到其上的曲率变化的曲面; 以及校正透镜,设置在所述多边形光学偏转器和所述物镜表面之间的光路上,并且具有旋转对称的入射曲面,所述弯曲表面的横截面具有圆弧形状,其中心在旋转对称轴上 相对于包括多边形光学偏转器的旋转轴线并且垂直于旋转对称轴线的平面并且在进给方向和扫描方向上具有其功率的平面旋转对称,并且相对于 垂直于扫描方向并且在扫描方向上具有其功率。 多边形光学偏转器和校正透镜的校正效果的组合性能以高精度校正图像表面的曲率和fθ特性。