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Biological information monitor

A bio-information and monitoring technology, applied in catheters, vascular assessment, cardiac catheterization, etc., can solve problems such as difficult detection thresholds, frequent activation of blood pressure measurement devices, and heavy burdens on patients

Active Publication Date: 2011-04-06
NIHON KOHDEN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to enhance the sensitivity to changes in the estimated blood pressure value, when the preset determination reference value (detection threshold) is set small, the noninvasive blood pressure measurement device is frequently activated, and the patient is given a large burden, so it is difficult to set a sufficient detection threshold

Method used

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Experimental program
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Embodiment Construction

[0045] Refer below figure 1 to describe the structure of the present invention.

[0046] refer to figure 1 , the biological information monitor of the present invention includes the following components as a measurement section: an electrocardiogram (ECG) measurement section 2 that detects an electrocardiogram (which represents an action potential of the myocardium) through a plurality of electrodes 3 applied to predetermined parts of the patient; pulse wave (SpO2) measuring section 5 that detects pulse waves propagating to peripheral arteries (including capillaries) by means of a photoplethysmographic detection probe 4 attached to a patient's finger or the like; and a noninvasive blood pressure (NIBP) measuring section 6 that The patient's blood pressure is measured by means of a cuff 1 wrapped around the patient's upper arm.

[0047] figure 1 The biological information monitor of the present invention shown in the present invention also includes a pulse wave transit ti...

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Abstract

A biological information monitor includes: a first measuring unit which measures a pulse wave propagation time of a patient; a second measuring unit which measures a blood pressure of the patient; a calculating unit which calculates an estimated blood pressure value of the patient based on the pulse wave propagation time of the patient; a setting unit which sets a threshold; and a determining unit which compares the estimated blood pressure value with the threshold. The second measuring unit is activated to measure the blood pressure of the patient at least one of at time intervals and at a time when an operator operates the second measuring unit, and the second measuring unit is activated to measure the blood pressure of the patient by the determining unit based on the comparison result.

Description

technical field [0001] The present invention relates to a biological information monitor in which a pulse wave transit time (PWTT) measuring device is used together with a non-invasive blood pressure (NIBP) measuring device. Background technique [0002] Japanese Patent No. 3,054,084 discloses a prior art blood pressure monitoring apparatus in which a pulse wave transit time measuring device is used together with a noninvasive blood pressure measuring device. [0003] Japanese Patent No. 3,054,084 discloses the following configuration. [0004] refer to image 3 , the blood pressure monitoring device 8 comprises: a cuff 10 having a band-shaped cloth bag and a rubber sheath housed in the cloth bag, and which is connected to be wrapped around, for example, a patient's upper arm 12; a pressure sensor 14; a selector valve 16; and air pump 18. Pressure sensor 14 , selector valve 16 and air pump 18 are connected to cuff 10 by tubing 20 . The selector valve 16 is configured to s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/02A61B5/021
CPCA61B5/02125A61B5/02225A61B5/0225
Inventor 兵后充史鹈川贞二须乡义広萩原弘子
Owner NIHON KOHDEN CORP
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