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    • 75. 发明申请
    • LEUCOCYTE-SEPARATING FILTER
    • 荧光分离过滤器
    • WO1989002305A1
    • 1989-03-23
    • PCT/JP1988000943
    • 1988-09-16
    • TERUMO KABUSHIKI KAISHANAOI, Keiji
    • TERUMO KABUSHIKI KAISHA
    • B01D13/00
    • B01D71/34A61M1/3633A61M2202/0439B01D39/1676B01D39/1692B01D69/02A61M2202/005
    • A leucocyte-separating filter is disclosed, which has a porous membrane having fine pores with substantially an oblong form of 3 to 30 mu m in average shorter diameter and a long diameter-to-short diameter ratio (average) of 1.5 or more. Leucocytes contained in a leucocyte suspension are collected without passing through the fine pores since the short diameter of the porous membrane is small enough, whereas since the pores have an oblong form, suspension-passing rate is comparatively great to effectively separate leucocytes. In addition, since matrix of the porous membrane is of a continuous structure, it is stable, and problems of run-off of foreign matters from the porous body or channeling of flow path during the procedure do not substantially arise.
    • 公开了一种白细胞分离过滤器,其具有多孔膜,该多孔膜具有细孔,其平均短径为3〜30μm,长径比比(平均)为1.5以上。 由于多孔膜的短径足够小,所以白细胞悬浮液中含有的白细胞被收集而不通过细孔,而由于孔具有长圆形形状,因此悬浮通过率相对较高以有效分离白细胞。 此外,由于多孔膜的基体是连续的结构,因此其稳定,而且在实施过程中不会引起异物从多孔体流出或流路的流出问题。
    • 77. 发明申请
    • CATHETER TUBE
    • 导管管
    • WO1989001755A1
    • 1989-03-09
    • PCT/JP1988000860
    • 1988-08-30
    • TERUMO KABUSHIKI KAISHAHONDA, Hiroaki
    • TERUMO KABUSHIKI KAISHA
    • A61B01/00
    • A61B1/018A61B1/00082A61B1/00135A61B1/00165
    • This invention relates to a catheter tube to be inserted into and allowed to stay in a body cavity having a relatively small diameter as typified by the blood vessel and used for observation or medical treatment of the interior of the body cavity. The catheter tube of the present invention has a structure wherein a linear inspection or medical instrument in the form of an optical fiber bundle is stored in a lumen formed in a tube body and is characterized in that the tip of the inspection or medical instrument is bent by moving the instrument in the longitudinal direction of the tube without bending substantially the tip of the catheter tube. Accordingly, the inspection and medical treatment of the inner wall of the body cavity can be conducted with a simple structure and the diameter of the catheter tube can be reduced.
    • 本发明涉及一种导管管,其用于插入并保持在体腔中具有相对小的直径,如通常的血管和其目的是被用于观察或 医疗体腔内部。 所述导管管包括其中的线性检查仪或光学纤维束的形式的医疗设备来代替在形成于管体的内腔保持的结构,并且其特征在于以下事实 通过沿管的纵向方向移动检查器械或医疗器械的尖端而弯曲,而基本不弯曲导管管的尖端。 因此,能够以简单的结构进行体腔内壁的检查和医疗处理,并且能够缩小导管的直径。
    • 78. 发明申请
    • CATHETER
    • 导管
    • WO1989001351A1
    • 1989-02-23
    • PCT/JP1988000803
    • 1988-08-12
    • TERUMO KABUSHIKI KAISHAHARADA, Fumiaki
    • TERUMO KABUSHIKI KAISHA
    • A61M29/00
    • A61F2/95A61F2/0004A61F2/88A61F2210/0019A61F2210/0023A61F2250/0098
    • This invention relates to a catheter equipped detachably at the tip thereof with a cylindrical expansion holding member of expanding the inner diameter of the lumen of the blood vessel or other tubular organ and for holding it in an expanded state either temporarily or permanently. The tip of the catheter which supports this member has a sufficiently smaller outer diameter than those of the other portions and the outer diameter of the expansion holding member is equal to, or smaller than, the outer diameters of the rest of portions of the catheter even when the expansion holding member is supported at the tip. The expansion holding member is made of a shape memory alloy so that it can expand or contract in the radial direction with a temperature change. Expansion or contraction of this member is made by causing the outflow of a heated or cooled liquid from a side hole bored at said tip of the catheter and bringing it into contact with the expansion holding member.
    • 本发明涉及一种在其前端可拆卸地配置有圆柱形膨胀保持构件的导管,该圆柱形膨胀保持构件使血管或其它管状器官的内腔的内径扩大并且暂时或永久地将其保持在展开状态。 支撑该构件的导管的前端具有比其他部分小的外径足够小的外径,并且膨胀保持构件的外径等于或小于导管的其余部分的外径,甚至 当膨胀保持构件被支撑在尖端时。 膨胀保持构件由形状记忆合金制成,使得其能够随着温度变化沿径向膨胀或收缩。 该构件的膨胀或收缩通过使来自在导管的所述尖端处钻孔的侧孔的加热或冷却的液体流出并使其与膨胀保持构件接触而进行。
    • 79. 发明申请
    • APPARATUS FOR MEASURING CONCENTRATION AND OXYGEN SATURATION OF HEMOGLOBIN
    • 用于测量血红蛋白浓度和氧气饱和度的装置
    • WO1989001144A1
    • 1989-02-09
    • PCT/JP1988000742
    • 1988-07-22
    • TERUMO KABUSHIKI KAISHAKOHNO, HiromasaHONDA, HiroakiNUDESHIMA, Masahiro
    • TERUMO KABUSHIKI KAISHA
    • G01N21/31
    • G01N21/3151A61B5/0059A61B5/14557G01N2021/3144Y10S435/808
    • A light beam having a first wavelength ( lambda 1) is applied to the blood from a first light radiation section, while a light beam having a second wavelength ( lambda 2) is applied from second and third light radiation sections different in positions from the first radiation section and from each other to the blood and the respective reflected light intensity (I1, I2, I3) is detected. A first correction value (X) for correcting the reflected light intensity ratio (I2/I3) is calculated by a first correction value operation section (40) and a second correction value (C1) is calculated by a second correction value operation section (42) by use of this first correction value and the reflected light intensity (I3). The reflected light intensity ratio (I1/I2) is corrected by use of this second correction value and an oxygen saturation in the blood is operated based on correlation function by use of the corrected reflected light intensity ratio (Rs). The reflected light intensity ratio (I2/I3) is corrected by the coefficient of correction thus operated and the hemoglobin concentration in the blood is operated based on correlation function by use of the reflected light intensity ratio thus corrected.
    • 具有第一波长(λ1)的光束被施加到来自第一光辐射部分的血液,而具有第二波长(λ2)的光束从与第一波长(λ1)不同的位置的第二和第三光辐射部分施加 辐射部分和彼此相对于血液,并且检测各自的反射光强度(I1,I2,I3)。 通过第一校正值运算部(40)计算用于校正反射光强度比(I2 / I3)的第一校正值(X),第二校正值(C1)由第二校正值运算部 )通过使用该第一校正值和反射光强度(I3)。 通过使用该第二校正值校正反射光强度比(I1 / I2),并且通过使用校正的反射光强度比(Rs),基于相关函数来操作血液中的氧饱和度。 反射光强度比(I2 / I3)由这样操作的校正系数校正,并且通过使用如此校正的反射光强度比,基于相关函数来操作血液中的血红蛋白浓度。