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Biological signal measuring system and biological signal measuring apparatus

A biosignal, measurement system technology, used in diagnostic recording/measurement, medical science, diagnosis using pressure, etc.

Inactive Publication Date: 2014-08-06
NIHON KOHDEN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, compression on living tissue is performed manually by medical personnel, so it is difficult to always perform compression with a constant intensity

Method used

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  • Biological signal measuring system and biological signal measuring apparatus
  • Biological signal measuring system and biological signal measuring apparatus
  • Biological signal measuring system and biological signal measuring apparatus

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Experimental program
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Embodiment Construction

[0026] Embodiments of the disclosed subject matter will be described in detail with reference to the accompanying drawings. In the drawings used in the following description, scales are appropriately changed so that components are drawn in recognizable sizes.

[0027] Such as figure 1 As shown in , the biological signal measurement system 1 of the embodiment of the disclosed subject matter includes a measurement device 10 and a probe 20 . The measurement device 10 includes a command receiving unit 11 , a control unit 12 , a signal receiving unit 13 , and a display unit 14 . The probe 20 has a prior art configuration, is attached to the subject's finger 30 , and includes a light emitter 21 and a light receiver 22 .

[0028] The instruction receiving section 11 is a related-art man-machine interface arranged on the outer surface of the assay device 10, and is configured to be capable of receiving instructions input by a user in order to cause the assay device 10 to perform re...

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Abstract

A biological signal measuring system includes: a light emitter emitting a first light beam and a second light beam; a light receiver outputting first and second signals in accordance with light intensities of the first and second light beams that have been passed through or reflected from a living tissue of a subject; a first calculating section acquiring a light attenuation of the first and second light beams based on the first and second signals; a second calculating section acquiring a blood-derived light attenuation based on the light attenuation of the first and second light beams; a third calculating section identifying a blood fill time for filling the living tissue, based on a temporal change of the blood-derived light attenuation associated with pressurization of the living tissue; and an outputting section outputting the identified blood fill time.

Description

[0001] Cross References to Related Applications [0002] This application is based on and claims the benefit of priority from prior Japanese Patent Application No. 2013-017233 filed on January 31, 2013, the entire contents of which are incorporated herein by reference. Background technique [0003] The subject matter of the present disclosure relates to a biosignal measurement system, and more specifically, to identifying the length of time for filling a living tissue with blood after compressing the living tissue from a biosignal acquired from a subject as an example of a living body (in Hereinafter, the length of time is referred to as the system of blood filling time). The subject matter of the present disclosure also relates to biosignal assay devices used in such systems. [0004] The determination of blood fill time is a technique used in the field of emergency medicine to determine the necessity / necessity of blood transfusion or to determine priority in triage of casua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/1455
CPCA61B5/0053A61B5/0261A61B5/6826A61B2505/01A61B5/1455
Inventor 平原英昭小林直树
Owner NIHON KOHDEN CORP
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