AUTOMATIC MEASUREMENT POINT CORRECTION METHOD, AUTOMATIC MEASUREMENT POINT CORRECTION APPARATUS AND COMPUTER READABLE MEDIUM STORING AUTOMATIC MEASUREMENT POINT CORRECTION PROGRAM

• US 20170020464A1
• Filed: 07/22/2016
• Published: 01/26/2017
• Est. Priority Date: 07/24/2015
• Status: Active Grant

• Current Assignee: Nihon Kohden Corporation
• Original Assignee: Nihon Kohden Corporation
• Inventors: Suto, Jiro, Takayanagi, Tsuneo, Kaiami, Takashi
• Granted Patent: US 10,772,575 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 5/339 Displays specially adapted therefor
• CPC Class Codes: A61B 5/35 by template matching
• CPC Class Codes: A61B 5/352 Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
• CPC Class Codes: A61B 5/7203 for noise prevention, reduction or removal
• CPC Class Codes: A61B 5/7475 User input or interface means, e.g. keyboard, pointing device, joystick

Abstract

An automatic measurement point correction method includes acquiring vital signs information waveform data indicating a vital signs information waveform having a plurality of waveforms which periodically appear on a time axis, determining a plurality of measurement points for measuring a predetermined measurement item of each waveform included in the vital signs information waveform, causing the vital signs informal n waveform and measurement point displayers to be displayed on a displaying section, correcting a first measurement point for measuring the predetermined measurement item of a first waveform of the plurality of waveforms, as a first correction, recording the corrected first measurement point as a reference measurement point, extracting a waveform which is analogous to the first waveform, from the plurality of waveforms, and automatically correcting a measurement point for measuring the predetermined measurement item of the extracted waveform, as a second correction.

Claims

1. An automatic measurement point correction method comprising:

acquiring vital signs information waveform data indicating a vital signs information waveform having a plurality of waveforms which periodically appear on a time axis;

determining a plurality of measurement points for measuring a predetermined measurement item of each waveform included in the vital signs information waveform, thereby automatically analyzing the vital signs information waveform data;

causing the vital signs information waveform and measurement point displayers respectively indicating the measurement points, to be displayed on a displaying section;

in accordance with an input operation by an operator, correcting a first measurement point for measuring the predetermined measurement item of a first waveform of the plurality of waveforms, as a first correction;

recording the corrected first measurement point as a reference measurement point;

extracting a waveform which is analogous to the first waveform, from the plurality of waveforms; and

based on the reference measurement point, automatically correcting a measurement point for measuring the predetermined measurement item of the extracted waveform, as a second correction.

2. The automatic measurement point correction method according to claim 1, wherein, in the first correction, the first measurement point is corrected in accordance with a predetermined operation by the operator, the operation being performed on a first measurement point displayer indicating the first measurement point.

3. The automatic measurement point correction method according to claim 1, wherein, in the extracting, a waveform which is analogous to the first waveform is extracted from the plurality of waveforms by using a correlation function or a Minh/PIM distance method.

4. The automatic measurement point correction method according to claim 1 further comprising causing a measurement point displayer indicating the measurement point which is corrected in the second correcting step, to be displayed on the displaying section.

5. The automatic measurement point correction method according to claim 1, wherein the vital signs information waveform is an electrocardiogram waveform having a plurality of heartbeat waveforms which periodically appear on the time axis.

6. The automatic measurement point correction method according to claim 5, wherein the predetermined measurement item includes a QT interval.

7. The automatic measurement point correction method according to claim 6, wherein the first measurement point corresponds to the end point of the QT interval, and

the measurement point for the waveform which is extracted in the extracting step corresponds to the end point of the QT interval.

8. An automatic measurement point correction apparatus comprising:

an acquiring section that acquires vital signs information waveform data indicating a vital signs information waveform having a plurality of waveforms that periodically appear on a time axis;

an automatically analyzing section that determines a plurality of measurement points for measuring a predetermined measurement item of each waveform included in the vital signs information waveform, thereby automatically analyzing the vital signs information waveform data;

a display controlling section that causes the vital signs information waveform and measurement point displayers respectively indicating the measurement points, to be displayed on a displaying section;

a first correcting section that, in accordance with an input operation by an operator, corrects a first measurement point for measuring the predetermined measurement item of a first waveform of the plurality of waveforms;

a recording section that records the corrected first measurement point as a reference measurement point;

an extracting section that extracts a waveform that is analogous to the first waveform, from the plurality of waveforms; and

a second correcting section that, based on the reference measurement point, automatically corrects a measurement point for measuring the predetermined measurement item of the extracted waveform.

9. The automatic measurement point correction apparatus according to claim 8, wherein the first correcting section corrects the first measurement point in accordance with a predetermined operation by the operator, the operation being performed on a first measurement point displayer indicating the first measurement point.

10. The automatic measurement point correction apparatus according to claim 8, wherein the extracting section extracts a waveform which is analogous to the first waveform, from the plurality of waveforms by using a correlation function or a minimum distance method.

11. The automatic measurement point correction apparatus according to claim 8, wherein the display controlling section causes a measurement point displayer indicating the measurement point which is corrected by the second correcting section, to be displayed on the displaying section.

12. The automatic measurement point correction apparatus according to claim 8, wherein the vital signs information waveform is an electrocardiogram waveform having a plurality of heartbeat waveforms which periodically appear on the time axis.

13. The automatic measurement point correction apparatus according to claim 12, wherein the predetermined measurement item includes a QT interval.

14. The automatic measurement point correction apparatus according to claim 13, wherein the first measurement point corresponds to the end point of the QT interval, and

the measurement point for the waveform which is extracted in the extracting section indicates the end point of the QT interval.

15. A computer readable storage medium storing an automatic measurement point correction program which causes a computer to perform an automatic correction process for correcting a measurement point, the process comprising:

acquiring vital signs information waveform data indicating a vital signs information waveform having a plurality of waveforms which periodically appear on a time axis;

determining a plurality of measurement points for measuring a predetermined measurement item of each waveform included in the vital signs information waveform, thereby automatically analyzing the vital signs information waveform data;

causing the vital signs information waveform and measurement point displayers respectively indicating the measurement points, to be displayed on a displaying section;

in accordance with an input operation by an operator, correcting a first measurement point for measuring the predetermined measurement item of a first waveform of the plurality of waveforms, as a first correction;

recording the corrected first measurement point as a reference measurement point;

extracting a waveform Which is analogous to the first waveform, from the plurality of waveforms; and

based on the reference measurement point, automatically correcting a measurement point for measuring the predetermined measurement item of the extracted waveform, as a second correction.

16. The computer storage medium according to claim 15, wherein, in the first correction, the first measurement point is corrected in accordance with a predetermined operation by the operator, the operation being performed on a first measurement point displayer indicating the first measurement point.

17. The computer storage medium according to claim 15, wherein, in the extracting, a waveforms which is analogous to the first waveform is extracted from the plurality of waveforms by using a correlation function or a minimum distance method.

18. The computer storage medium according to claim 15 further comprising causing a measurement point displayer indicating the measurement point which is corrected in the second correcting step, to be displayed on the displaying section.

19. The computer storage medium according to claim 15, wherein the vital signs information waveform is an electrocardiogram waveform having a plurality of heartbeat waveforms which periodically appear on the time axis.

20. The computer storage medium according to claim 19, wherein the predetermined measurement item includes a QT interval.