HEART SOUND DETECTOR AND DETECTION METHOD

To provide a heart sound detector and a heart sound detection method capable of presenting to a medical care worker such as a doctor, states of A2 and P2 constituting an II sound, in a manner of capable of easily grasping the states.SOLUTION: A heart sound detector comprises: an acquisition part for...

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Bibliographic Details
Main Authors FUKAYA KYOHEI, NAKAGAWA YUMI, YONEYAMA TATSUYA
Format Patent
LanguageEnglish
Japanese
Published 09.06.2023
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:To provide a heart sound detector and a heart sound detection method capable of presenting to a medical care worker such as a doctor, states of A2 and P2 constituting an II sound, in a manner of capable of easily grasping the states.SOLUTION: A heart sound detector comprises: an acquisition part for acquiring a heart sound diagram of a subject; an II sound position detecting part for detecting a position of an II sound included in the heart sound diagram; a wavelet transformation part for performing wavelet transformation to the heart sound diagram with a prescribed window width including, the II sound position detected by the II sound detecting part; and a display part for displaying a time frequency analysis image being obtained by the wavelet transformation.SELECTED DRAWING: Figure 6 【課題】医師等の医療従事者に、II音を構成するＡ２とＰ２の状態を把握し易く提示可能な心音検出装置及び心音検出方法を提供すること。【解決手段】心音検出装置は、被検者の心音図を取得する取得部と、心音図に含まれるII音の位置を検出するII音位置検出部と、II音位置検出部により検出されたII音位置を含む所定ウィンドウ幅の心音図に対してウェーブレット変換を施すウェーブレット変換部と、ウェーブレット変換により得られた時間周波数解析画像を表示する表示部と、を備える。【選択図】図６
Bibliography:Application Number: JP20210194297