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    • 22. 发明专利
    • Hematocrit sensor
    • HEMATOCRIT传感器
    • JP2004097782A
    • 2004-04-02
    • JP2003134906
    • 2003-05-13
    • Nikkiso Co Ltd日機装株式会社
    • MORI YOSHIHIROOISHI TAKAYUKI
    • A61B5/145A61B5/1459A61M1/14A61M1/16A61M1/36
    • A61M1/3624A61M1/16A61M1/3609A61M1/367A61M2230/207
    • PROBLEM TO BE SOLVED: To provide a small-sized hematocrit sensor for more accurately measuring a hematocrit value while avoiding deformation of a flexible tube constituting a blood flow passage.
      SOLUTION: This hematocrit sensor for measuring a hematocrit value indicating blood concentration is provided in a blood circuit 1. The hematocrit sensor is provided with: a housing 11 formed with a groove 11a into which a part of the blood circuit 1 is fitted; a slit 12 formed in the groove 11a of the housing 11; and a light emitting element 13 and a light receiving means 14 both provided in the housing 11 at positions facing the blood circuit 1 via the slit 12. The blood flowing in the blood circuit 1 is irradiated with light emitted from the light emitting means 13 and the reflected light is received by the light receiving means.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种小型血细胞比容传感器,用于更准确地测量血细胞比容值,同时避免构成血流通道的柔性管的变形。 血细胞比容传感器设置有:形成有凹槽11a的壳体11,血液回路1的一部分配合到该槽11a中 ; 形成在壳体11的槽11a中的狭缝12; 以及在壳体11中经由狭缝12设置在面向血液回路1的位置处的发光元件13和光接收装置14.在从发光装置13发射的光中照射在血液回路1中流动的血液, 反射光被光接收装置接收。 版权所有(C)2004,JPO