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Blood pressure measuring system

A technology of blood pressure measurement and blood pressure, applied in the direction of diagnostic recording/measurement, medical science, sensors, etc., to achieve the effect of reducing the burden

Inactive Publication Date: 2015-09-23
NIHON KOHDEN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Performing a zero calibration every time the patient's position changes places a heavy burden on both the examinee and the medical staff

Method used

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Embodiment Construction

[0013] Embodiments of the present invention will be described in detail with reference to the accompanying drawings. figure 1 is a view schematically showing the blood pressure measurement system 1 of the embodiment of the present invention. In the drawings, scales are appropriately changed so that components are depicted in recognizable sizes.

[0014] The blood pressure measurement system 1 includes a blood pressure monitor 10 . The blood pressure monitor 10 measures the blood pressure value of the subject 2 invasively.

[0015] The illustrated embodiment shows the case of measuring arterial blood pressure. A catheter (arterial needle) 21 is inserted into the radial artery of the subject 2 . In the case of measuring venous blood pressure, a floating (Swan-Ganz) catheter can be used. The converter 22 is fixed at the height of the heart of the subject 2 (height corresponding to half the thickness of the chest). The catheter 21 and the converter 22 are connected to each ot...

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Abstract

A blood pressure measuring system includes: a blood pressure monitor which is configured to invasively measure a blood pressure value of a subject; a calibrating section which is configured to calibrate a measurement reference value of the blood pressure value; an imaging section which is configured to acquire an image of the subject; a heart position identifying section which is configured to identify a height position of a heart of the subject based on the image; and a determining section which, based on the identified height position of the heart, is configured to determine whether a calibration of the measurement reference value is necessary or not.

Description

technical field [0001] The present invention relates to a blood pressure measurement system for invasively measuring a subject's blood pressure. Background technique [0002] There is an invasive blood pressure measurement method in which a catheter or the like is inserted into a blood vessel of a subject and continuously measures blood pressure that changes moment by moment (for example, see JP-A-4-269938). The pressure generated in the blood vessel is converted into an electrical signal by a transducer connected to the catheter via a monitoring wire. The blood pressure monitor displays blood pressure values ​​and waveforms corresponding to electrical signals to medical staff and the like. [0003] In invasive blood pressure measurement, a process called zero point calibration is required to set a reference value for the measurement. Perform zero calibration in the following manner. Place the converter at the reference point. When the pressure acting on the transducer i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0215
CPCA61B5/0215A61B5/02156A61B5/1114A61B5/746A61B5/1127
Inventor 久保博
Owner NIHON KOHDEN CORP
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