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FINGER ARTERY ELASTICITY MEASURING PROGRAM, FINGER ARTERY ELASTICITY MEASURING DEVICE, AND FINGER ARTERY ELASTICITY MEASURING METHOD

外国特許コード F120006935
整理番号 S2007-0435-C0
掲載日 2012年10月12日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2008JP052232
国際公開番号 WO 2008/105229
国際出願日 平成20年2月12日(2008.2.12)
国際公開日 平成20年9月4日(2008.9.4)
優先権データ
  • 特願2007-048652 (2007.2.28) JP
発明の名称 (英語) FINGER ARTERY ELASTICITY MEASURING PROGRAM, FINGER ARTERY ELASTICITY MEASURING DEVICE, AND FINGER ARTERY ELASTICITY MEASURING METHOD
発明の概要(英語)

[PROBLEMS TO BE SOLVED] A finger artery elasticity measuring program, a finger artery elasticity measuring device and a finger artery elasticity measuring method are provided for making it possible to measure an elasticity index of a finger artery in accordance with a pulse wave of a finger artery without measuring a blood pressure in evaluating the elasticity of the finger artery related to the degree of arterial sclerosis. [MEANS FOR SOLVING THE PROBLEMS] A finger artery elasticity measuring device is comprised of a pulse wave memory unit (42), a cuff pressure data memory unit (43), an NPV calculating unit (52) for dividing an amplitude (?I) of an alternate component of a pulse wave by an average value of direct components (I) to calculate a normalized pulse wave volume, a relative cuff pressure calculating unit (53) for calculating a difference between a cuff pressure at the maximum amplitude of the pulse wave and each cuff value as a relative cuff pressure (Pr), an FEI calculating unit (54) for calculating a linear recursive slope (n) of the following equation (1) as an elasticity index of the finger artery: In(NPV) = In(bn)-n Pr ... (1) where b is a constant, so as to make a computer function.

  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • SAPPORO MEDICAL UNIVERSITY,
  • TANAKA, GOHICHI,
  • SAWADA, YUKIHIRO
  • 発明者(英語)
  • TANAKA, GOHICHI,
  • SAWADA, YUKIHIRO
国際特許分類(IPC)

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