CN113413147A - Cervical pressure detection device and cervical pressure evaluation method and system - Google Patents
Cervical pressure detection device and cervical pressure evaluation method and system Download PDFInfo
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- CN113413147A CN113413147A CN202110703267.7A CN202110703267A CN113413147A CN 113413147 A CN113413147 A CN 113413147A CN 202110703267 A CN202110703267 A CN 202110703267A CN 113413147 A CN113413147 A CN 113413147A
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
- A61B5/033—Uterine pressure
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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
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
- A61B5/002—Monitoring the patient using a local or closed circuit, e.g. in a room or building
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- A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
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- A61B5/4325—Evaluation of the lower reproductive system of the uterine cavities, e.g. uterus, fallopian tubes, ovaries
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- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
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Abstract
The invention relates to a cervical pressure detection device and a cervical pressure evaluation method and system, wherein the device comprises: the pressure detection module is used for detecting the pressure data of the cervix; the pressure reading module is used for reading the pressure data detected by the pressure detection module; and the processing and display module is used for processing the pressure data to obtain a pressure value and displaying the pressure value. Through this technical scheme, can improve detection speed and monitoring effect through automatic detection mode and means, the pregnant woman also can be as required oneself and detect at home simultaneously to improve pregnant woman's state of an illness monitoring efficiency, guaranteed pregnancy safety.
Description
Technical Field
The invention relates to the technical field of cervical pressure detection, in particular to a cervical pressure detection device and a cervical pressure evaluation method and system.
Background
In the gestational period of women, especially in the late gestational period of some high-age and hypertensive pregnant and lying-in women, the pressure of the cervix uteri needs to be frequently detected to prevent abortion accidents and hidden troubles. The existing cervical collar does not have the capability of real-time and automatic monitoring and quantitative evaluation on the pressure, and can be judged manually only through manual labor examination and the experience of doctors. The method is time-consuming and labor-consuming, and is influenced and restricted by the conditions of the pregnant women and the quality of medical staff. Once there is a leak, an incorrect treatment regimen may be generated, which may lead to miscarriage and endanger the personal safety of the pregnant woman. Therefore, it is necessary to develop a cervical pressure detecting device and an evaluation system.
Disclosure of Invention
In order to overcome the problems in the related art, the disclosure provides a cervical pressure detection device, a cervical pressure evaluation method and a cervical pressure evaluation system, which can improve the detection speed and the monitoring effect through an automatic detection mode and means, and meanwhile, a pregnant woman can detect at home according to needs, so that the illness state monitoring efficiency of the pregnant woman is improved, and the safety of pregnancy is ensured.
According to a first aspect of embodiments of the present disclosure, there is provided a cervical pressure detecting apparatus, the apparatus including:
the pressure detection module is used for detecting the pressure data of the cervix; wherein, the pressure detection module is arranged in the cervical support.
The pressure reading module is used for reading the pressure data detected by the pressure detection module; the pressure reading module can go deep into the vagina and is close to the pressure detection module, and the pressure data can be read in a non-contact mode through radio frequency signals.
And the processing and displaying module is used for processing (including cleaning, sorting and the like) the pressure data and displaying the pressure value.
In one embodiment, preferably, the pressure detection module includes: the cervical collar is provided with a cervical collar support, a plurality of pressure sensors, a first coil antenna and a detection circuit;
the pressure sensors are embedded in holes or grooves of the inner ring of the cervical support;
the coil antenna is embedded in the top or the side wall of the cervical collar;
the detection circuit is embedded in the side wall or the top of the cervical collar.
In one embodiment, preferably, the pressure reading module includes: the radio frequency reading head, the second coil antenna, the radio frequency connecting wire, the connection conversion head and the flexible detection rod are connected;
the radio frequency reading head is connected to the connection conversion head through the radio frequency connecting wire and used for activating the pressure detection module through a second coil antenna when the radio frequency reading head is close to the pressure detection module and reading pressure data detected by the pressure detection module;
the second coil antenna is pre-embedded in the radio frequency reading head and used for transmitting a radio frequency signal with a preset frequency so as to start the pressure detection module to perform pressure detection;
the radio frequency connecting wire is used for transmitting the pressure data read by the radio frequency reading head to the connection conversion head and transmitting a radio frequency signal;
the connection conversion head is connected to the processing and display module and is used for transmitting the pressure data to the processing and display module;
the flexible detection rod is connected between the radio frequency reading head and the connection conversion head and used for extending into the vagina, and the bending degree of the flexible detection rod can be adjusted according to needs.
In one embodiment, preferably, the detection circuit includes: the device comprises a rectifier, a capacitor, a charge pump, an isolation power supply, a direct current voltage stabilizing unit, a first processing unit, a first logic control unit, a radio frequency detection unit, a first storage unit and an A/D conversion unit;
when the radio frequency reading head is close to the pressure detection module, a first coil antenna of the pressure detection module is activated through a second antenna of the pressure reading module to generate induction current, the induction current is rectified by the rectifier to charge the capacitor, is stabilized by the direct current voltage stabilizing unit to supply power to each pressure sensor and the first processing unit, when each pressure sensor finishes the detection of pressure signals, the pressure signals are converted into pressure data through the A/D conversion unit to be transmitted back to the first processing unit, the first processing unit performs corresponding data processing on the pressure data and then stores the pressure data into the first storage unit, meanwhile, the radio frequency detection unit extracts digital signals from the induction current required by obtaining the pressure data, sends the digital signals into the first logic control unit to perform information processing, and takes the pressure data out of the storage area through the first processing unit, and the pressure data is sent back to the radio frequency detection unit through the first logic control unit, and then sent to the pressure reading module by the radio frequency antenna.
In one embodiment, preferably, the pressure reading module sends a set of electromagnetic waves with fixed frequency to the pressure detecting module through the second coil antenna, the first coil antenna and the capacitor in the pressure detecting module form an LC resonant circuit, the frequency of the LC resonant circuit is the same as the transmission frequency of the pressure reading module, the LC resonant circuit resonates under the excitation of the electromagnetic waves, the charge accumulated in the capacitor charges an isolation power supply connected with the capacitor through a charge pump conducting in a single direction, and when the voltage accumulated by the isolation power supply reaches a preset voltage, the voltage passes through the dc voltage stabilizing unit and then serves as a power supply to provide working voltage for the rest modules.
In one embodiment, preferably, the processing and display module comprises: the radio frequency unit, the second logic control unit, the second processing unit, the second storage unit, the display unit, the keys and the warning lamp;
and the radio frequency unit receives or sends pressure data, the pressure data are sent to the second logic control unit for processing, and are stored to the second storage unit through the second processing unit and are displayed through the display unit. The key is used for switching current display contents in the display unit, such as switching and displaying pressure values or setting values of the sensors. The warning light indicates whether the currently detected pressure value is in a normal range, for example, a green light is normally detected, and a red light is detected abnormally.
According to a second aspect of the embodiments of the present disclosure, there is provided a cervical pressure assessment method for the cervical pressure detection apparatus in the above first aspect, the method including:
acquiring pressure data of the cervical support in the using process through the cervical pressure detection device;
extracting pressure change characteristics of the cervical collar to obtain pressure change characteristics;
analyzing and processing pregnancy behavior and pregnancy week data of the pregnant woman to obtain pregnancy characteristics of the pregnant woman;
determining a degree of correlation between the pregnancy attribute of the pregnant woman and the maternal abortion based on the pressure change characteristic and the pregnancy characteristic.
In one embodiment, preferably, the determining a correlation between the pregnancy attribute of the pregnant woman and the maternal abortion according to the pressure variation characteristic and the pregnancy characteristic comprises:
and according to the time stamp labels respectively corresponding to the pressure change characteristic and the pregnancy characteristic, carrying out the pressure change characteristic and the pregnancy characteristic.
According to a third aspect of the embodiments of the present disclosure, there is provided a cervical pressure assessment system, for the cervical pressure detecting apparatus of any one of the embodiments of the first aspect, the system including:
the acquisition module is used for acquiring pressure data of the cervical support in the using process through the cervical pressure detection device;
the extraction module is used for extracting pressure change characteristics of the cervical collar to obtain the pressure change characteristics;
the analysis module is used for analyzing and processing the pregnancy behavior and the pregnancy week data of the pregnant woman to obtain the pregnancy characteristics of the pregnant woman;
a determining module for determining a correlation between the pregnancy attribute of the pregnant woman and the miscarriage of the pregnant woman according to the pressure variation characteristic and the pregnancy characteristic.
In one embodiment, preferably, the determining module is configured to:
and according to the timestamp labels respectively corresponding to the pressure change characteristic and the pregnancy characteristic, carrying out characteristic fusion identification processing on the pressure change characteristic and the pregnancy characteristic so as to obtain the correlation degree between the pregnancy attribute of the pregnant woman and the abortion of the pregnant woman.
According to a fourth aspect of embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of the method of any one of the second aspects.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
1) the cervical pressure induction detection is carried out in a non-contact mode, and a detector can carry out detection at home or in a hospital as long as the detector is provided with matched pressure reading and analyzing equipment;
2) when the abnormality is found, the corresponding part can be quickly positioned according to the pressure sensors uniformly distributed on the inner diameter of the cervical collar for further subsequent examination and treatment;
3) greatly improves the detection speed and the monitoring effect, reduces the labor intensity of related personnel, greatly improves the detection efficiency and ensures the pregnancy safety of pregnant women.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram illustrating a cervical pressure detecting apparatus according to an exemplary embodiment.
Fig. 2A is a front view of a pressure detection module in a cervical pressure detection apparatus according to an exemplary embodiment.
Fig. 2B is a top view of a pressure detection module in a cervical pressure detection apparatus, according to an exemplary embodiment.
Fig. 2C is a partial cross-sectional view of a pressure testing module in a cervical pressure testing apparatus according to an exemplary embodiment.
Fig. 3 is a schematic diagram illustrating a pressure reading module in a cervical pressure testing apparatus according to an exemplary embodiment.
Fig. 4 is a schematic diagram illustrating circuitry in a cervical pressure detection apparatus according to an exemplary embodiment.
Fig. 5 is a schematic diagram illustrating circuitry in a cervical pressure detection apparatus according to an exemplary embodiment.
Fig. 6 is a schematic diagram illustrating a processing and display module in a cervical pressure testing apparatus according to an exemplary embodiment.
Fig. 7 is a flowchart illustrating a method of cervical pressure assessment, according to an exemplary embodiment.
Fig. 8 is a block diagram illustrating a cervical pressure assessment system in accordance with an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a schematic structural diagram illustrating a cervical pressure detecting apparatus according to an exemplary embodiment.
As shown in fig. 1, cervical pressure detecting apparatus 10 includes: the pressure detection module 11 is used for detecting the pressure data of the cervix;
a pressure reading module 12 for reading the pressure data detected by the pressure detector;
and the processing and displaying module 13 is configured to process the pressure data to obtain a pressure value, and display the pressure value.
As shown in fig. 2A to 2C, in one embodiment, the pressure detection module 11 preferably includes: a cervical collar 21, a plurality of pressure sensors 22, a first coil antenna 23 and a detection circuit 24;
the pressure sensors 22 are embedded in the holes or grooves 211 of the inner ring of the cervical collar 21; wherein the cervical holder is shown in fig. 2A, and includes a top 200, a bottom 100, a sidewall 300, and a chamber 400.
The first coil antenna 23 is pre-embedded in the top 200 or the side wall 300 of the cervical collar 21;
the detection circuit 24 is pre-embedded in the side wall 300 or the top 200 of the cervical collar 21.
In the embodiment, the inner ring of the cervical support is uniformly provided with holes or grooves in the radial direction, the pressure sensors are arranged in the holes or the grooves, the diameter of the exposed pressure sensor is 2-4 mm, the thickness of a coil antenna connected with the pressure sensor is 2-3 mm, and the thickness of an integrated circuit connected with the pressure sensor is 2-3 mm. In order to facilitate the installation of the pressure detector, the wall thickness of the top of the cervical collar can be properly increased by 1-2 mm, and the wall thickness of the side wall of the cervical collar can be properly increased by 1-2 mm. The outer diameter of the coil antenna is smaller than that of the top of the cervical support, and the inner diameter of the coil antenna is larger than that of a circular area surrounded by pressure sensors uniformly distributed on the inner diameter of the cervical support. Optionally, the coil antenna as a part of the radio frequency receiving unit can be pre-embedded at the top of the cervical collar; if a small coil antenna is adopted, the small coil antenna can also be embedded in the side wall of the cervical support. The test ic for collecting and processing pressure data preferably has three dimensions of less than 8mm by 3mm in order to embed the cervical tray side wall.
As shown in fig. 3, in one embodiment, the pressure reading module 12 preferably includes: the radio frequency reading head 31, the second coil antenna 32, the radio frequency connecting wire 33, the connecting conversion head 34 and the flexible detection rod 35;
the radio frequency reading head 31 is connected to the connection conversion head 34 through the radio frequency connection line 33, and is used for activating the pressure detection module through a second coil antenna when the pressure detection module is close to the radio frequency connection line, and reading pressure data detected by the pressure detection module; the outer diameter of the rf readhead, including its outer cladding, is less than the inner diameter of the cervical collar base 100.
The outer covering material of the radio frequency reading head 31 and the flexible detecting rod 35 is preferably the same medical silica gel or polyethylene material as the cervical support, so as to reduce the stimulation to the human body.
The second coil antenna 32 is pre-embedded inside the radio frequency reading head 31, and is used for transmitting a radio frequency signal with a preset frequency so as to start the pressure detection module to perform pressure detection;
the radio frequency connecting line 33 is used for transmitting the pressure data read by the radio frequency reading head 31 to the connection conversion head 34 and transmitting a radio frequency signal;
the connection conversion head 34 is connected to the processing and display module and is used for transmitting the pressure data to the processing and display module; the connection conversion head can be connected to the processing and display module in a wired or wireless manner, for example, the connection conversion head is connected to display equipment in a wired manner for displaying, or is sent to terminal equipment such as a mobile phone in a wireless manner for displaying.
The flexible detection rod 35 is connected between the radio frequency reading head and the connection conversion head and used for extending into the vagina, and the bending degree of the flexible detection rod can be adjusted according to needs.
As shown in fig. 4, in one embodiment, the detection circuit 24 preferably includes: a rectifier 41, a capacitor 42, a charge pump 43, an isolation power supply 44, a dc voltage stabilizing unit 45, a first processing unit 46, a first logic control unit 47, a radio frequency detection unit 48, a first storage unit 49, and an a/D conversion unit 4A;
when the radio frequency reading head is close to the pressure detection module, a first coil antenna (namely a coil and an antenna) of the pressure detection module is activated through a second antenna of the pressure reading module to generate induction current, the induction current is rectified by the rectifier to charge the capacitor, and is stabilized by the direct current voltage stabilizing unit to supply power to each pressure sensor and the first processing unit, after each pressure sensor finishes the detection of pressure signals, the pressure signals are converted into pressure data through the A/D conversion unit to be transmitted back to the first processing unit, the first processing unit carries out corresponding data processing on the pressure data and then stores the pressure data into the first storage unit, meanwhile, the radio frequency detection unit detects digital signals from the induction current of the pressure data acquisition request and sends the digital signals into the first logic control unit to carry out information processing, the pressure data are taken out from the storage area through the first processing unit, sent back to the radio frequency detection unit through the first logic control unit, and sent to the pressure reading module through the radio frequency antenna.
In one embodiment, preferably, the pressure reading module sends a set of electromagnetic waves with fixed frequency to the pressure detecting module through the second coil antenna, the first coil antenna and the capacitor in the pressure detecting module form an LC resonant circuit, the frequency of the LC resonant circuit is the same as the transmission frequency of the pressure reading module, the LC resonant circuit resonates under the excitation of the electromagnetic waves, the charge accumulated in the capacitor charges an isolation power supply connected with the capacitor through a charge pump conducting in a single direction, and when the voltage accumulated by the isolation power supply reaches a preset voltage, the voltage passes through the dc voltage stabilizing unit and then serves as a power supply to provide working voltage for the rest modules.
The pressure detection circuit adopts a passive mode, a power-off state is maintained by default, the circuit is started, enough energy needs to be obtained in an electromagnetic field generated by the second coil antenna of the pressure reading module through the first coil antenna of the pressure detection module, and meanwhile, the radio frequency antenna determines a communication channel and a communication mode between the radio frequency detection unit and the pressure reading module. Alternatively, the detection circuit as shown may be implemented using an integrated circuit as shown in fig. 5. MLX90129 may be used as a 13.56MHz sensor transponder. Adopt TSSOP20 encapsulation mode, the size is enough little, satisfies the pre-buried requirement in the cervical collar. Alternatively, when two pressure sensors are connected, only an external radio frequency antenna and a capacitor are required, as shown in fig. 5.
Optionally, when the pressure sensor detects a weak pressure analog signal, the signal needs to be amplified, shaped, filtered, etc., and then subjected to analog/digital conversion to become pressure data.
As shown in fig. 6, in one embodiment, the processing and display module 13 preferably includes: a radio frequency unit 61, a second logic control unit 62, a second processing unit 63, a second storage unit 64, a display unit 65 and a key and alarm lamp 66;
and the radio frequency unit receives or sends pressure data, the pressure data are sent to the second logic control unit for processing, and are stored to the second storage unit through the second processing unit and are displayed through the display unit. The key is used for switching current display contents in the display unit, such as switching and displaying pressure values or setting values of the sensors. The warning light indicates whether the currently detected pressure value is in a normal range, for example, a green light is normally detected, and a red light is detected abnormally.
The cervical pressure detection device of the present invention may further be configured with a wireless communication module to transmit the pressure value to other reading devices, or APP, wherein the wireless communication part includes but is not limited to RFID, bluetooth, Zigbee and WiFi.
Fig. 7 is a flowchart illustrating a method of cervical pressure assessment, according to an exemplary embodiment.
As shown in fig. 7, according to a second aspect of the embodiments of the present disclosure, there is provided a cervical pressure assessment method for the cervical pressure detection apparatus in the above first aspect, the method including:
step S701, acquiring pressure data of the cervical collar in the using process through the cervical pressure detection device;
step S702, extracting pressure change characteristics of the cervical collar to obtain the pressure change characteristics;
step S703, analyzing and processing the pregnancy behavior and pregnancy week data of the pregnant woman to obtain the pregnancy characteristics of the pregnant woman;
step S704, determining the correlation degree between the pregnancy attribute of the pregnant woman and the abortion of the pregnant woman according to the pressure change characteristic and the pregnancy characteristic.
In one embodiment, preferably, the determining a correlation between the pregnancy attribute of the pregnant woman and the maternal abortion according to the pressure variation characteristic and the pregnancy characteristic comprises:
and according to the time stamp labels respectively corresponding to the pressure change characteristic and the pregnancy characteristic, carrying out the pressure change characteristic and the pregnancy characteristic.
The cervical pressure evaluation method is a set of software system for cervical pressure display and analysis in pregnancy and continuous disease monitoring, and can analyze and evaluate the currently detected pressure value according to the initial value of the cervical pressure when the cervical support is initially installed and the pressure change data generated by fetal growth or uterine deformation in the using process of the cervical support and the current disease condition of the pregnant woman in combination with the gestational week and the current disease condition of the pregnant woman, so as to provide a corresponding treatment suggestion.
Fig. 8 is a block diagram illustrating a cervical pressure assessment system in accordance with an exemplary embodiment.
As shown in fig. 8, according to a third aspect of the embodiments of the present disclosure, there is provided a cervical pressure evaluating system 80 for use in the cervical pressure detecting apparatus of any one of the embodiments of the first aspect, the system including:
an obtaining module 81, configured to obtain pressure data of the cervical collar during use through the cervical pressure detecting apparatus;
an extraction module 82, configured to perform extraction processing on the pressure variation characteristic of the cervical collar to obtain a pressure variation characteristic;
the analysis module 83 is used for analyzing and processing the pregnancy behavior and the pregnancy week data of the pregnant woman to obtain the pregnancy characteristics of the pregnant woman;
a determining module 84 for determining a correlation between the pregnancy attribute of the pregnant woman and the miscarriage of the pregnant woman based on the pressure variation characteristic and the pregnancy characteristic.
In one embodiment, preferably, the determining module 84 is configured to:
and according to the timestamp labels respectively corresponding to the pressure change characteristic and the pregnancy characteristic, carrying out characteristic fusion identification processing on the pressure change characteristic and the pregnancy characteristic so as to obtain the correlation degree between the pregnancy attribute of the pregnant woman and the abortion of the pregnant woman.
According to a fourth aspect of embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of the method of any one of the second aspects.
It is further understood that the use of "a plurality" in this disclosure means two or more, as other terms are analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It will be further understood that the terms "first," "second," and the like are used to describe various information and that such information should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," and the like are fully interchangeable. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.
It is further to be understood that while operations are depicted in the drawings in a particular order, this is not to be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A cervical pressure testing apparatus, said apparatus comprising:
the pressure detection module is used for detecting the pressure data of the cervix;
the pressure reading module is used for reading the pressure data detected by the pressure detection module;
and the processing and display module is used for processing the pressure data to obtain a pressure value and displaying the pressure value.
2. The cervical pressure testing arrangement of claim 1, wherein said pressure testing module includes: the cervical collar is provided with a cervical collar support, a plurality of pressure sensors, a first coil antenna and a detection circuit;
the pressure sensors are embedded in holes or grooves of the inner ring of the cervical support;
the coil antenna is embedded in the top or the side wall of the cervical collar;
the detection circuit is embedded in the side wall or the top of the cervical collar.
3. The cervical pressure testing device of claim 1, wherein said pressure reading module comprises: the radio frequency reading head, the second coil antenna, the radio frequency connecting wire, the connection conversion head and the flexible detection rod are connected;
the radio frequency reading head is connected to the connection conversion head through the radio frequency connecting wire and used for activating the pressure detection module through a second coil antenna when the radio frequency reading head is close to the pressure detection module and reading pressure data detected by the pressure detection module;
the second coil antenna is pre-embedded in the radio frequency reading head and used for transmitting a radio frequency signal with a preset frequency so as to start the pressure detection module to perform pressure detection;
the radio frequency connecting wire is used for transmitting the pressure data read by the radio frequency reading head to the connection conversion head and transmitting a radio frequency signal;
the connection conversion head is connected to the processing and display module and is used for transmitting the pressure data to the processing and display module;
the flexible detection rod is connected between the radio frequency reading head and the connection conversion head and used for extending into the vagina, and the bending degree of the flexible detection rod can be adjusted according to needs.
4. The cervical pressure testing apparatus of claim 2, wherein said testing circuit comprises: the device comprises a rectifier, a capacitor, a charge pump, an isolation power supply, a direct current voltage stabilizing unit, a first processing unit, a first logic control unit, a radio frequency detection unit, a first storage unit and an A/D conversion unit;
when the radio frequency reading head is close to the pressure detection module, a first coil antenna of the pressure detection module is activated through a second coil antenna of the pressure reading module to generate induction current, the induction current is rectified by the rectifier to charge the capacitor, the direct current voltage stabilizing unit stabilizes the voltage and supplies power to each pressure sensor and the first processing unit, when each pressure sensor detects a pressure signal, the pressure signal is converted into pressure data through the A/D conversion unit and is transmitted back to the first processing unit, the first processing unit performs corresponding data processing on the pressure data and then stores the pressure data into the first storage unit, meanwhile, the radio frequency detection unit extracts a digital signal from the induction current which is requested by acquiring the pressure data, sends the digital signal into the first logic control unit for information processing, and the pressure data is taken out from a storage area through the first processing unit, the pressure data is sent back to the radio frequency detection unit through the first logic control unit, and then sent to the pressure reading module through the first coil antenna.
5. The cervical pressure detecting device according to claim 3, wherein the pressure reading module sends a set of electromagnetic waves with fixed frequency to the pressure detecting module through the second coil antenna, the first coil antenna and the capacitor in the pressure detecting module form an LC resonant circuit, the LC resonant circuit has the same frequency as the transmitting frequency of the pressure reading module, the LC resonant circuit resonates under the excitation of the electromagnetic waves, the charge accumulated in the capacitor charges the isolated power supply connected thereto through the charge pump conducting in one direction, and when the voltage accumulated by the isolated power supply reaches a preset voltage, the voltage passes through the dc voltage stabilizing unit and then serves as the power supply to provide the operating voltage for the other modules.
6. The cervical pressure testing apparatus of claim 1, wherein said processing and display module comprises: the radio frequency unit, the second logic control unit, the second processing unit, the second storage unit, the display unit, the keys and the warning lamp;
the radio frequency unit receives or sends pressure data, the pressure data are sent to the second logic control unit to be processed to obtain pressure values, the pressure values are stored in the second storage unit through the second processing unit and are displayed through the display unit, the key is used for switching current display contents in the display unit, and the warning lamp is used for prompting whether the currently detected pressure values are in a normal range or not.
7. A cervical pressure assessment method, for use in the cervical pressure measuring apparatus of any one of claims 1 to 6, the method comprising:
acquiring pressure data of the cervical support in the using process through the cervical pressure detection device;
extracting pressure change characteristics of the cervical collar to obtain pressure change characteristics;
analyzing and processing pregnancy behavior and pregnancy week data of the pregnant woman to obtain pregnancy characteristics of the pregnant woman;
determining a degree of correlation between the pregnancy attribute of the pregnant woman and the maternal abortion based on the pressure change characteristic and the pregnancy characteristic.
8. The cervical pressure assessment method of claim 7, wherein said determining a correlation between the pregnancy attribute of the pregnant woman and the miscarriage of the pregnant woman based on said pressure variation characteristic and said pregnancy characteristic comprises:
and according to the timestamp labels respectively corresponding to the pressure change characteristic and the pregnancy characteristic, carrying out characteristic fusion identification processing on the pressure change characteristic and the pregnancy characteristic so as to obtain the correlation degree between the pregnancy attribute of the pregnant woman and the abortion of the pregnant woman.
9. A cervical pressure assessment system for use with the cervical pressure test apparatus of any one of claims 1 to 6, said system comprising:
the acquisition module is used for acquiring pressure data of the cervical support in the using process through the cervical pressure detection device;
the extraction module is used for extracting pressure change characteristics of the cervical collar to obtain the pressure change characteristics;
the analysis module is used for analyzing and processing the pregnancy behavior and the pregnancy week data of the pregnant woman to obtain the pregnancy characteristics of the pregnant woman;
a determining module for determining a correlation between the pregnancy attribute of the pregnant woman and the miscarriage of the pregnant woman according to the pressure variation characteristic and the pregnancy characteristic.
10. The cervical stress assessment system of claim 9, wherein said determination module is configured to:
and according to the timestamp labels respectively corresponding to the pressure change characteristic and the pregnancy characteristic, carrying out characteristic fusion identification processing on the pressure change characteristic and the pregnancy characteristic so as to obtain the correlation degree between the pregnancy attribute of the pregnant woman and the abortion of the pregnant woman.
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