JPS5822108U

JPS5822108U - Fetal heart rate automatic analysis device

Info

Publication number: JPS5822108U
Application number: JP1982096293U
Authority: JP
Inventors: 寺尾俊彦; 竹内一吉
Original assignee: 幸栄電子工業株式会社
Priority date: 1982-06-27
Filing date: 1982-06-27
Publication date: 1983-02-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従前の分娩監視装置の基本的な構成を示すブロ
ック図である。第２図はこの考案の一実施例である胎児
心拍自動解析装置の構成を示すブロック図である。第３
図Ａ、　Ｂはそれぞれ心拍数信号及び子宮収縮圧信号の
経時的変動形の一例を示す波形図である。第４図は心拍
数信号形を拡大して示す波形図である。第５図は心拍数
信号波形の長期間の変動を示す波形図である。第６図Ａ
。Ｂは心拍数信号波形の変動部分を抽出して示す波形図で
ある。第６図Ｃ−Ｅ、第７図及び第８図は心拍数信号波
形と子宮収縮圧信号波形の変動部分を抽出して示す波形
図である。第９図は心拍数信号波形の変動部分を抽出し
て示す波形図である。第１０図はこの考案の一実施例である胎児心拍自動解析
装置の記録表示部５が提出する記録表示の一例を示す。１・・・心拍数検出部、２・・・子宮収縮圧検出部、４
・・・データ処理部、４ａ・・・アナログ−ディジタル
変換部、４ｂ・・・データ記憶部、４Ｃ１・・・瞬時処
理パラメータ演算処理部、４ｄ□・・・瞬時処理パラメ
ータ判定部、４ｅ□・・・瞬時処理パラメータ可変設定
部、４ｆ□・・・瞬時処理パラメータスコア演算部、４
ｇｔ・・・瞬時処理パラメータ可変設定部、４ｃ２・・
・定期処理パラメータ演算処理部、４ｄ２・・・定期処
理パラメータ判定部、４ｅ２・・・定期処理パラメータ
可変設定部、４ｆ２・・・定期処理パラメータスコア演
算部、４ｇ２・・・定期処理パラメータウェイト可変設
定部、４ｈ・・・トータルスコア演算部、４１・・・ト
ータルスコア判定部、４ｊ・・・トータルスコア可変設
定部、４ｋ・・・警報表示部、４１・・・測定期間計測
部、４’　ｎ・・・心拍数・子宮収縮圧信号処理部、４
ｎ・・・波形判定処理部、４０・・・時計部、４ｐ・・
・記録表示制御部、５・・・記録表示部。FIG. 1 is a block diagram showing the basic configuration of a conventional childbirth monitoring device. FIG. 2 is a block diagram showing the configuration of an automatic fetal heart rate analyzer which is an embodiment of this invention. Third
Figures A and B are waveform diagrams showing examples of temporal variations of a heart rate signal and a uterine contraction pressure signal, respectively. FIG. 4 is a waveform diagram showing an enlarged heart rate signal shape. FIG. 5 is a waveform diagram showing long-term fluctuations in the heart rate signal waveform. Figure 6A
. B is a waveform diagram extracting and showing a fluctuating portion of the heart rate signal waveform. FIGS. 6 CE, 7, and 8 are waveform charts showing extracted fluctuation portions of the heart rate signal waveform and the uterine contraction pressure signal waveform. FIG. 9 is a waveform diagram showing extracted portions of fluctuations in the heart rate signal waveform. FIG. 10 shows an example of a record display presented by the record display unit 5 of the fetal heartbeat automatic analyzer which is an embodiment of this invention. 1... Heart rate detection section, 2... Uterine contraction pressure detection section, 4
...Data processing unit, 4a...Analog-digital conversion unit, 4b...Data storage unit, 4C1...Instantaneous processing parameter calculation processing unit, 4d□...Instantaneous processing parameter determination unit, 4e□. ... Instantaneous processing parameter variable setting section, 4f□... Instantaneous processing parameter score calculation section, 4
gt...instantaneous processing parameter variable setting section, 4c2...
- Periodic processing parameter calculation processing section, 4d2... Periodic processing parameter determination section, 4e2... Periodic processing parameter variable setting section, 4f2... Periodic processing parameter score calculation section, 4g2... Periodic processing parameter weight variable setting 4h...Total score calculation unit, 41...Total score determination unit, 4j...Total score variable setting unit, 4k...Alarm display unit, 41...Measurement period measurement unit, 4'n... Heart rate/uterine contraction pressure signal processing unit, 4
n...Waveform judgment processing section, 40...Clock section, 4p...
- Recording display control section, 5... Recording display section.

Claims

[Scope of utility model registration request]

(1) Heart rate detection means for detecting fetal heart rate, uterine contraction pressure detection means for detecting labor pains of a pregnant woman, and temporal fluctuations in the heart rate signal waveform and uterine contraction pressure signal waveform output from both of the above means. a parameter summation processing means for calculating a specific parameter, and a magnitude relationship between each of the specific parameters outputted by the parameter calculation processing means and a parameter setting value set in advance corresponding to each of the specific parameters; parameter determination means for comparing and determining and outputting a parameter determination signal when it is detected that the value of the specific parameter exceeds a parameter setting value corresponding to the parameter; and a parameter determination output by the parameter determination means. A score calculating means for calculating a total score using a parameter corresponding to a signal as a variable of a specific evaluation function, comparing and determining the magnitude relationship between the total score calculated by the score calculating means and a preset total score setting value, and calculating the total score. In an automatic fetal heart rate analyzer equipped with a total score determination means that outputs an alarm display signal when a value exceeding a set total score value is detected, the heart rate signal waveform and the uterine contraction pressure signal waveform are measured over time. a waveform determination processing means that identifies and determines whether the fluctuating portion of the bang corresponds to a specific bang category, and outputs a bang determination signal representing the corresponding bang category; What is claimed is: 1. An automatic fetal heartbeat analysis device comprising a recording and displaying means for recording and displaying a slam determination signal, the heart rate signal waveform, and the uterine contraction pressure signal waveform on the same recording and displaying medium.

(2) On the same recording and display medium that records and displays the heart rate signal waveform, uterine contraction pressure signal waveform, and slam judgment signal, near the position where the time-varying portion of the heart rate signal waveform is recorded and displayed. 2. The fetal heartbeat automatic analysis device according to claim 1, further comprising recording and displaying means for recording and displaying the slam determination signal.

(3) Recording and displaying instantaneous processing parameters and periodic processing parameters that characterize the temporal fluctuations of the above-mentioned waveforms on the same medium as the recording and displaying medium of the heart rate signal waveform, uterine contraction pressure signal waveform, and slam judgment signal. An automatic fetal heart rate analysis device according to claim 1, characterized in that it is provided with a record display means as described above.

(4) On the same recording and display medium that records and displays the heart rate signal waveform, uterine contraction pressure signal waveform, and slam judgment signal, near the position where the time-varying portion of the heart rate signal waveform is recorded and displayed. 3. The fetal heartbeat automatic analysis device according to claim 3, further comprising recording and displaying means for recording and displaying the instantaneous processing parameters.

(5) On the same recording and display medium that records and displays the heart rate signal waveform, uterine contraction pressure signal waveform, and slam judgment signal, the heart rate signal waveform is The fetal heartbeat automatic analysis device according to claim 3, which is characterized by being provided with a recording display means for recording and displaying changes over time in short-term minute fluctuations and long-term minute fluctuations.