CN113827214B - Fetal heart simulation data acquisition method, device and application - Google Patents
Fetal heart simulation data acquisition method, device and application Download PDFInfo
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- CN113827214B CN113827214B CN202110974081.5A CN202110974081A CN113827214B CN 113827214 B CN113827214 B CN 113827214B CN 202110974081 A CN202110974081 A CN 202110974081A CN 113827214 B CN113827214 B CN 113827214B
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- 210000002458 fetal heart Anatomy 0.000 title claims abstract description 123
- 238000004088 simulation Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000000630 rising effect Effects 0.000 claims abstract description 24
- 230000002159 abnormal effect Effects 0.000 claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000004364 calculation method Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 6
- 238000007781 pre-processing Methods 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 210000003754 fetus Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02411—Detecting, measuring or recording pulse rate or heart rate of foetuses
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Abstract
The invention discloses a fetal heart simulation data acquisition method, a device and application, wherein the method comprises the steps of acquiring FHR sampling rate from FHR files, and storing all fetal heart rate values in the FHR files into an FHR array fhrlist; creating a timer and setting a timing period of the timer according to the FHR sampling rate; when the timing period of the timer is reached, reading fhrlist data and assigning the data to the fetal heart rate value fhrval, setting the abnormal fetal heart rate value fhrval to 0, and calculating the falling time, the interval time and the rising time of the current FHR data according to the fetal heart rate value fhrval; the fall time, interval time and rise time of each FHR data are saved as its fetal heart simulation data into a fetal heart simulation data array. The invention can realize accurate fetal heart simulation data acquisition.
Description
Technical Field
The present invention relates to the field of fetal heart calculation, and in particular, to a method, an apparatus, and an application for obtaining fetal heart simulation data.
Background
The fetal heart rate can reflect the functions of the fetal heart and the fetal central nervous system, so that the real-time monitoring of the fetal heart rate has important significance for ensuring the health and safety of the fetus in the mother. Along with the development of technology, people put forward higher requirements on household and accuracy of fetal heart monitoring, the problem of single type of simulated fetal heart exists in the functions provided by the existing fetal heart simulator, the simulated fetal heart data are mostly fixed frequency or fixed simulation curves, the simulated fetal heart data cannot be generated according to FHR (fetal heart rate) data, and the actual fetal heart change/fluctuation condition of a pregnant woman cannot be fed back. There is no practical aid in the verification of the consistent fetal heart algorithm for the device.
Disclosure of Invention
The invention aims to: aiming at the problems existing in the prior art, the invention provides a fetal heart simulation data acquisition method, a fetal heart simulation data acquisition device and application.
The technical scheme is as follows: the fetal heart simulation data acquisition method provided by the invention comprises the following steps:
(1) Acquiring FHR sampling rate from FHR file, and storing all fetal heart rate values in FHR file into FHR array fhrlist;
(2) Setting i=0, creating a timer, and setting a timing period of the timer according to the FHR sampling rate;
(3) When the timer timing period is reached, i=i+1, and the ith element fhrlist [ i ] in fhrlist is read, and fhrlist [ i ] is assigned to the fetal heart rate value fhrval;
(4) Judging whether the fetal heart rate value fhrval is abnormal data, if so, setting the fetal heart rate value fhrval to 0, otherwise, not processing;
(5) Judging whether the fetal heart rate value fhrval is larger than 0, if so, executing the step (6), otherwise, executing the step (7);
(6) Calculating the falling time, the interval time and the rising time of the current FHR data according to the fetal heart rate value fhrval;
(7) Setting the falling time of the current FHR data to be 0, and setting the interval time and the rising time to be the timing period of a timer;
(8) And (3) returning to the execution step until all the data in the FHR array fhrlist are processed, and storing the falling time, the interval time and the rising time of each FHR data as the fetal heart simulation data into the fetal heart simulation data array.
Further, the calculating method of the timing period comprises the following steps: timing period t=1000 milliseconds/FHR sample rate.
Further, the determination criteria of the abnormal data are: fetal heart rate values fhrval that are not within the range of 80 to 240 are determined as abnormal data.
Further, the method for calculating the falling time, the interval time and the rising time in the step (6) is as follows:
interval totaltime = (60000)/fhrval
Fall time downtime = totaltime/5
Rise time uptime = totaltime ×4/5.
The fetal heart simulation method provided by the invention is used for performing fetal heart simulation according to the fetal heart simulation data obtained by the method.
The fetal heart simulation data acquisition device provided by the invention comprises:
The data preprocessing module is used for acquiring FHR sampling rate from the FHR file, storing all fetal heart rate values in the FHR file into the FHR array fhrlist, and setting i=0;
A timer for assigning i=i+1 and reading the ith element fhrlist [ i ] in fhrlist and assigning fhrlist [ i ] to the fetal heart rate value fhrval when a timing period is reached, the timing period being set according to the FHR sampling rate;
The abnormal data judging module is used for judging whether the fetal heart rate value fhrval is abnormal data, if so, setting the fetal heart rate value fhrval to be 0, otherwise, not processing;
The selection module is used for judging whether the fetal heart rate value fhrval is larger than 0, if so, executing the first calculation module, otherwise, executing the second calculation module;
The first calculation module is used for calculating the falling time, the interval time and the rising time of the current FHR data according to the fetal heart rate value fhrval;
The second calculation module is used for setting the falling time of the current FHR data to be 0, and the interval time and the rising time are timer timing periods;
and the fetal heart simulation data acquisition module is used for storing the falling time, the interval time and the rising time of each FHR data into the fetal heart simulation data array as the fetal heart simulation data after all the data in the FHR array fhrlist are processed.
The fetal heart simulation device provided by the invention is used for performing fetal heart simulation according to the fetal heart simulation data acquired by the device.
The beneficial effects are that: compared with the prior art, the invention has the remarkable advantages that: according to the invention, more accurate fetal heart simulation data can be obtained according to the fetal heart rate data, and the fetal heart simulated according to the data can more accurately feed back the actual fetal heart change/fluctuation condition of the pregnant woman.
Drawings
FIG. 1 is a flow chart of an embodiment of a fetal heart simulation data acquisition method provided by the present invention.
Detailed Description
The embodiment provides a fetal heart simulation data acquisition method, as shown in fig. 1, including:
(1) Acquiring FHR sampling rate from FHR file, and storing all fetal heart rate values in FHR file into FHR array fhrlist;
(2) Setting i=0, creating a timer, and setting a timing period of the timer according to the FHR sampling rate, wherein the specific timing period T=1000 milliseconds/FHR sampling rate;
(3) When the timer timing period is reached, i=i+1, and the ith element fhrlist [ i ] in fhrlist is read, and fhrlist [ i ] is assigned to the fetal heart rate value fhrval;
(4) Judging whether the fetal heart rate value fhrval is abnormal data or not, judging the fetal heart rate value fhrval which is not in the range of 80-240 as the abnormal data, if so, setting the fetal heart rate value fhrval to be 0, otherwise, not processing;
(5) Judging whether the fetal heart rate value fhrval is larger than 0, if so, executing the step (6), otherwise, executing the step (7);
(6) Calculating the falling time, the interval time and the rising time of the current FHR data according to the fetal heart rate value fhrval; the calculation method comprises the following steps:
interval totaltime = (60000)/fhrval
Fall time downtime = totaltime/5
Rise time uptime = totaltime ×4/5;
(7) Setting the falling time of the current FHR data to be 0, and setting the interval time and the rising time to be the timing period of a timer;
(8) And (3) returning to the execution step until all the data in the FHR array fhrlist are processed, and storing the falling time, the interval time and the rising time of each FHR data as the fetal heart simulation data into the fetal heart simulation data array.
The present embodiment also provides a fetal heart simulation method, where the fetal heart simulation is performed according to the fetal heart simulation data obtained by the above method, and the specific simulation method is a method of generating fetal heart data according to an interval time, a rising time and a falling time, or may further include a method of generating fetal heart sounds audible to human ears according to the fetal heart data. The method for generating the fetal heart sounds audible to human ears according to the fetal heart data is the prior art, and is not described much.
The embodiment also provides a fetal heart simulation data acquisition device, which comprises:
The data preprocessing module is used for acquiring FHR sampling rate from the FHR file, storing all fetal heart rate values in the FHR file into the FHR array fhrlist, and setting i=0;
A timer for assigning i=i+1 and reading the ith element fhrlist [ i ] in fhrlist and assigning fhrlist [ i ] to the fetal heart rate value fhrval when a timing period is reached, the timing period t=1000 milliseconds/FHR sample rate;
The abnormal data judging module is used for judging whether the fetal heart rate value fhrval is abnormal data or not, judging the fetal heart rate value fhrval which is not in the range of 80-240 as abnormal data, if so, setting the fetal heart rate value fhrval to be 0, otherwise, not processing;
The selection module is used for judging whether the fetal heart rate value fhrval is larger than 0, if so, executing the first calculation module, otherwise, executing the second calculation module;
the first calculation module is used for calculating the falling time, the interval time and the rising time of the current FHR data according to the fetal heart rate value fhrval; the calculation method comprises the following steps:
interval totaltime = (60000)/fhrval
Fall time downtime = totaltime/5
Rise time uptime = totaltime ×4/5
The second calculation module is used for setting the falling time of the current FHR data to be 0, and the interval time and the rising time are timer timing periods;
and the fetal heart simulation data acquisition module is used for storing the falling time, the interval time and the rising time of each FHR data into the fetal heart simulation data array as the fetal heart simulation data after all the data in the FHR array fhrlist are processed.
The embodiment also provides a fetal heart simulation device, which is a device for performing fetal heart simulation according to the fetal heart simulation data acquired by the device, in particular to realize the generation of fetal heart data according to interval time, rising time and falling time, or can further comprise a module for generating fetal heart sounds audible to human ears according to the fetal heart data. The module for generating the fetal heart sounds audible to the human ear according to the fetal heart data is the prior art, and is not described much.
The above disclosure is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (8)
1. A method for acquiring fetal heart simulation data, the method comprising:
(1) Acquiring FHR sampling rate from FHR file, and storing all fetal heart rate values in FHR file into FHR array fhrlist;
(2) Setting i=0, creating a timer, and setting a timing period of the timer according to the FHR sampling rate;
(3) When the timer timing period is reached, i=i+1, and the ith element fhrlist [ i ] in fhrlist is read, and fhrlist [ i ] is assigned to the fetal heart rate value fhrval;
(4) Judging whether the fetal heart rate value fhrval is abnormal data, if so, setting the fetal heart rate value fhrval to 0, otherwise, not processing;
(5) Judging whether the fetal heart rate value fhrval is larger than 0, if so, executing the step (6), otherwise, executing the step (7);
(6) Calculating the falling time, the interval time and the rising time of the current FHR data according to the fetal heart rate value fhrval; the calculation method of the falling time, the interval time and the rising time comprises the following steps:
interval totaltime = (60000)/fhrval;
Fall time downtime = totaltime/5;
Rise time uptime = totaltime ×4/5;
(7) Setting the falling time of the current FHR data to be 0, and setting the interval time and the rising time to be the timing period of a timer;
(8) And (3) returning to the execution step until all the data in the FHR array fhrlist are processed, and storing the falling time, the interval time and the rising time of each FHR data as the fetal heart simulation data into the fetal heart simulation data array.
2. The fetal heart simulation data acquisition method of claim 1, wherein: the calculation method of the timing period comprises the following steps: timing period t=1000 milliseconds/FHR sample rate.
3. The fetal heart simulation data acquisition method of claim 1, wherein: the judgment standard of the abnormal data is as follows: and judging the fetal heart rate value fhrval which is not in the range of 80-240 as abnormal data.
4. A fetal heart simulation method, characterized in that: fetal heart simulation data obtained by the method according to any one of claims 1-3.
5. A fetal heart simulation data acquisition apparatus that implements the fetal heart simulation data acquisition method of claim 1, comprising:
The data preprocessing module is used for acquiring FHR sampling rate from the FHR file, storing all fetal heart rate values in the FHR file into the FHR array fhrlist, and setting i=0;
A timer for assigning i=i+1 and reading the ith element fhrlist [ i ] in fhrlist and assigning fhrlist [ i ] to the fetal heart rate value fhrval when a timing period is reached, the timing period being set according to the FHR sampling rate;
The abnormal data judging module is used for judging whether the fetal heart rate value fhrval is abnormal data, if so, setting the fetal heart rate value fhrval to be 0, otherwise, not processing;
The selection module is used for judging whether the fetal heart rate value fhrval is larger than 0, if so, executing the first calculation module, otherwise, executing the second calculation module;
the first calculation module is used for calculating the falling time, the interval time and the rising time of the current FHR data according to the fetal heart rate value fhrval; the calculation method of the falling time, the interval time and the rising time comprises the following steps:
interval totaltime = (60000)/fhrval;
Fall time downtime = totaltime/5;
Rise time uptime = totaltime ×4/5;
The second calculation module is used for setting the falling time of the current FHR data to be 0, and the interval time and the rising time are timer timing periods;
and the fetal heart simulation data acquisition module is used for storing the falling time, the interval time and the rising time of each FHR data into the fetal heart simulation data array as the fetal heart simulation data after all the data in the FHR array fhrlist are processed.
6. The fetal heart simulation data acquisition apparatus of claim 5 wherein: the calculation method of the timing period comprises the following steps: timing period t=1000 milliseconds/FHR sample rate.
7. The fetal heart simulation data acquisition apparatus of claim 6 wherein: the judgment standard of the abnormal data is as follows: and judging the fetal heart rate value fhrval which is not in the range of 80-240 as abnormal data.
8. A fetal heart simulator, characterized by: fetal heart simulation data obtained by the device according to any of claims 5-7.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1057453A1 (en) * | 1999-05-29 | 2000-12-06 | Viamed Limited | Electronic foetal heart simulator |
| CN101572534A (en) * | 2009-05-22 | 2009-11-04 | 深圳迪美泰数字医学技术有限公司 | Waveform generation method of biomedicine signals and device |
| CN102090887A (en) * | 2010-12-24 | 2011-06-15 | 深圳市理邦精密仪器股份有限公司 | Fetal heart simulating system and method |
| CN105912879A (en) * | 2016-06-03 | 2016-08-31 | 广州馨瑞艾特科技有限公司 | Fetal heart rate curve correction method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10360816B2 (en) * | 2016-09-06 | 2019-07-23 | Dynasthetics, Llc | System and method for simulating fetal heart rate for noninvasive intra-partum fetal monitoring |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1057453A1 (en) * | 1999-05-29 | 2000-12-06 | Viamed Limited | Electronic foetal heart simulator |
| CN101572534A (en) * | 2009-05-22 | 2009-11-04 | 深圳迪美泰数字医学技术有限公司 | Waveform generation method of biomedicine signals and device |
| CN102090887A (en) * | 2010-12-24 | 2011-06-15 | 深圳市理邦精密仪器股份有限公司 | Fetal heart simulating system and method |
| CN105912879A (en) * | 2016-06-03 | 2016-08-31 | 广州馨瑞艾特科技有限公司 | Fetal heart rate curve correction method and device |
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