Patent
Circulatory function determining device
和宏 井出,Kazuhiro Ide,朋哉 日下部,Tomoya Kusakabe +3 more
- 29 Aug 2014
2
TL;DR: In this article, a circulatory function determination device is proposed to provide a method capable of shortening the time required for determination of the circulatory functions by calculating a first blood pressure value on the basis of a first pulse wave amplitude value and a first compression pressure.
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Abstract: PROBLEM TO BE SOLVED: To provide a circulatory function determination device capable of shortening time required for determination of a circulatory function.SOLUTION: A circulatory function determination device calculates a first blood pressure value on the basis of a first pulse wave amplitude value and a first compression pressure; calculates a second blood pressure value on the basis of a second pulse wave amplitude value and a second compression pressure; calculates a blood pressure value ratio that is a ratio of the first blood pressure value and the second blood pressure value; calculates a first blood vessel elasticity index value that is the index value for elasticity of blood vessel on the basis of the first pulse wave amplitude value; calculates a second blood vessel elasticity index value that is the index value for elasticity of blood vessel on the basis of the second pulse wave amplitude value; determines a circulatory function on the basis of the blood pressure value ratio and the first blood vessel elasticity index value; and determines the circulatory function on the basis of the blood pressure value ratio and the second blood vessel elasticity index value.
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Citations
Patent
Index output method, index output device, and index output program
Yoka Morimoto,Sadaji Ugawa,Suzuki Takehito +2 more
- 22 Dec 2016
TL;DR: In this paper, an index output method for outputting an index to determine a blood vessel state is proposed, which includes an acquisition step, a calculation step, and an output step.
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Method, apparatus, and program for outputting index
Haruka Morimoto,Teiji Ukawa,Suzuki Takehito +2 more
- 26 Jan 2018
TL;DR: In this paper, a method for outputting an index for determining a condition of a blood vessel was proposed, which includes acquiring a diastolic blood pressure for each of upper and lower limbs of a living body.
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Circulatory organ function determining device
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TL;DR: In this article, the authors proposed a circulatory organ function determining device which can increase the amount of information acquired from pulse waves by evaluating the trait of a quadratic differential wave form profile of the pulse waves detected by the pressure detection section and a pulse wave detection unit.
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Circulatory organ function measuring instrument
Akihiro Michimori,Daisuke Morikawa,大輔 森川,章弘 道盛 +3 more
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TL;DR: In this article, the authors proposed a circulatory organ function measuring instrument that extracts a difference (width) W 1 between compressive pressure p 1 having an amplitude value r 1 of a certain pulse wave and a boundary value pα in a region P 1 of high pressure side compression in an envelope and a difference W 2 between compressed pressure p 2 having an amortization value r 2 different from the amplitude values r 1 and the boundary value Pα in an area P 2 of low pressure side compressive side compression as feature quantities.
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TL;DR: In this paper, a diagnostic result resolution is decided automatically based on an ankle brachium blood pressure exponent ABI, pulse wave propagation velocity PWV, a correction UT, and a % MAP.
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Circulatory function measurement device
Kazuhiro Ide,Tomoya Kusakabe +1 more
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TL;DR: A pulse wave accumulated value calculation unit calculates the accumulated value of a pulse wave by accumulating the amplitude values of pulse waves in chorological order as the compressing pressure changes.
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