CN114617535A - Ward patient vital sign wireless monitoring system - Google Patents
Ward patient vital sign wireless monitoring system Download PDFInfo
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- CN114617535A CN114617535A CN202210455285.2A CN202210455285A CN114617535A CN 114617535 A CN114617535 A CN 114617535A CN 202210455285 A CN202210455285 A CN 202210455285A CN 114617535 A CN114617535 A CN 114617535A
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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
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
- A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
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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
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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
- A61B5/0024—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system for multiple sensor units attached to the patient, e.g. using a body or personal area network
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6832—Means for maintaining contact with the body using adhesives
- A61B5/6833—Adhesive patches
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
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- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
- A61B7/04—Electric stethoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/06—Arrangements of multiple sensors of different types
- A61B2562/066—Arrangements of multiple sensors of different types in a matrix array
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors
- A61B2562/164—Details of sensor housings or probes; Details of structural supports for sensors the sensor is mounted in or on a conformable substrate or carrier
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Abstract
A wireless monitoring system for vital signs of patients in wards belongs to the field of medical instruments. The monitoring system comprises a flexible adhesive sheet which is provided with a plurality of flexible thin film sensors for heart sound, heart rate, heart rhythm, body temperature and respiration, the flexible adhesive sheet is connected with a signal acquisition box through a flat cable, the signal acquisition box is wirelessly connected to a computer, the computer is provided with a processor for various data, the periphery is connected with a peripheral instrument of the computer, and the processed data in the flexible thin film sensors, the signal acquisition box and the computer correspond to a ward number and a bed number respectively. But real-time display ward patient's vital sign receives a plurality of patient's data message simultaneously, sends the warning to the abnormal conditions, improves inpatient security, can alleviate doctor, nurse's work load, reduces the contact frequency between patient and the outsider, provides good condition for remote contactless collection vital sign parameter.
Description
Technical Field
The invention relates to a wireless monitoring system, in particular to a wireless monitoring system for vital signs of patients in a ward, belonging to the field of medical instruments.
Background
In clinical treatment of surgical patients and severe patients, particularly in recent years, patients with new coronary pneumonia need to rapidly detect and treat a plurality of vital signs such as heart rate, body temperature, respiration, heart sound and the like, however, most of the traditional life detection instruments have single function, most of the used instruments have large volume, various pipelines, multiple detection points and multiple detection power pipelines, in addition, because the detection instruments have single function, each instrument is provided with a separate display, an input/output pipeline connected with various detection instruments and a power instrument or a display terminal thereof occupy a large space, even some instruments need to be inserted into the body of a patient, heavy burden is brought to the patient, the patient can turn over and move inconveniently, more importantly, the treatment of the patient is also unchanged, and medical staff needs to pay special attention to the patient during treatment, the problems of poor contact, falling off of the pipeline and the like can be caused by slight carelessness.
In patent No. CN201821405846.3, a human health monitoring device and system are disclosed, and fig. 10 is a schematic structural diagram of a human health monitoring device, in which a physiological index detection device is disclosed, configured with a physiological index for detecting a human body, a processor and a memory, and configured with a memory for storing the physiological index, wherein the physiological index detection device is electrically connected with the processor through a first input/output interface of the processor, and the memory is electrically connected with the processor through a second input/output interface of the processor. The physiological index detection device comprises a plurality of detection units such as heart rate and body temperature, the detection units comprise a heart rate detection unit and a body temperature detection unit, the heart rate detection unit is electrically connected with an electrocardiosignal acquisition and amplification module and a heart rate detection processing chip which is electrically connected with the electrocardiosignal acquisition and amplification module through electrode plates, the output end of the heart rate detection processing chip is electrically connected with the processor, the temperature sensor and the temperature processing chip are electrically connected with the temperature sensor, and the output end of the temperature processing chip is electrically connected with the processor.
In this patent, a device for managing human body vital signs by using a plurality of electrode plates is disclosed, wherein the device includes applications of signal transmission and data processing such as body temperature, heart rate and heart rhythm. However, the detection of the device needs a separate detection head and a transmission line, and more importantly, the device is connected by a wire, only suitable for the detection of a single patient, not suitable for the unified monitoring and management of all patients, and if the functions are used completely, the processing capacity of the device is not stressed.
Patent No. cn201910001236.x provides a heart sound monitoring device, a method for acquiring a heart sound signal, and a configuration method, where the patent includes a plurality of heart sound sensors configured to respectively correspond to different heart sound auscultation positions in an area to be monitored, and capable of acquiring vibration signals generated when the different heart sound auscultation positions vibrate; a heart sound locator configured to determine a primary heart sound sensor and a secondary heart sound sensor of the plurality of heart sound sensors based on characteristics of the vibration signals acquired by the plurality of heart sound sensors. In the device, the heart sound locator can confirm main heart sound sensor and supplementary heart sound sensor among the heart sound sensor according to the vibration signal that the heart sound sensor gathered, is favorable to acquireing the heart sound signal.
A patent with the patent number CN202110331069.2 provides a method and a system for classifying and identifying heart sounds, wherein the patent uses a full-recognition model to analyze collected heart sound signals and determine whether the heart sound signals are normal heart sound signals or abnormal heart sound signals; transmitting the heart sound signal to the first recognition model or the second recognition model according to the recognition result of the full recognition model, wherein if the recognition result of the first recognition model or the second recognition model is consistent with the result of the full recognition model, the recognition result is the recognition result of the full recognition model; and if the heart sound signals are inconsistent, analyzing the heart sound signals based on the depth measurement learning, and determining whether the heart sound signals are normal heart sound signals or abnormal heart sound signals. According to the invention, the negative data and the positive data are separated to form new data sets respectively, the classifier models are trained respectively to obtain a single data model, and then a new classifier application structure is integrated to further judge and discriminate the classification result.
In this patent, a method and a system for identifying a heart sound signal are provided, according to which the heart sound is discriminated whether it is abnormal.
CN201822193069.7 discloses a heart sound signal filter circuit and a heart sound signal analyzer, which can filter and amplify the collected heart sound and transmit the amplified heart sound to a heart sound processing device.
Patent application No. cn201310241853.x provides a method and a system for discriminating a heart sound signal, fig. 11 is a system for discriminating a heart sound signal, which includes setting model parameters for extracting a heart sound characteristic waveform; carrying out heart sound detection and collecting heart sound data; generating a characteristic waveform from the heart sound data; calculating a heart sound characteristic parameter in the waveform; calculating to obtain a boundary line of a distribution domain of the heart sound characteristic parameters; generating an approximate elliptic curve for the obtained boundary line, and calculating the parameters (xc, yc, a, b and theta) of the elliptic curve; obtaining heart sound characteristic parameters (x, y) of a user to be judged by adopting the method, and carrying out coordinate transformation on the heart sound characteristic parameters (x, y) by utilizing the ellipse parameters (xc, yc, theta); and judging whether the heart sound characteristic parameters obtained after the coordinates are converted are in the elliptic curve or not, and judging the heart sound signals. The method for discriminating the heart sound signal can effectively reduce the operation processing amount of the heart sound discrimination and improve the discrimination precision.
This patent discloses a system for discriminating a heart sound signal and a discriminating system.
Piezoelectric materials are all pressure sensitive, but for piezoelectric films, a small force is applied in the longitudinal direction, resulting in a large stress in the transverse direction, whereas the same force is applied over a large area of the film, resulting in a much smaller stress. Thus, piezoelectric films are very sensitive to dynamic stress, with a typical sensitivity value for 28 μm thick PVDF films being 10-15 mV/microstrain (parts per million change in length).
The piezoelectric film sensor has unique characteristics, is used as a dynamic strain sensor, has long service life, high sensitivity and wide bandwidth range, and is very suitable for being applied to the surface of human skin or being implanted into the human body to monitor vital signals. Some of the thin film elements are sensitive enough to detect a body pulse through the outer sleeve.
Patent No. 202122824185.6 provides a cardiac apex detection device capable of monitoring multiple vital sign parameters, the sensor of the cardiac apex detection device is an integrated lantern ring type flexible piezoelectric film pressure sensor, which is arranged at the cardiac apex position and comprises cardiac apex pressure, body temperature and respiration detection sensors therein, and is connected to a relay box, the relay box comprises a conversion processor and a wireless transmission module for various detection signals, the relay box is worn on the patient, the wireless transmission module is wirelessly connected with a wireless receiving module in a computer, a plurality of processing modules for cardiac apex pulsating pressure, body temperature and respiration and a central processing unit are respectively arranged in the computer, a plurality of data and a plurality of shaped waveforms are displayed on a display, the device can reduce the load of the patient, reduce line interference, image distortion and other phenomena, improve nursing and treatment efficiency, and improve detection convenience, the patient is treated correspondingly in time.
The patent No. 202122824185.6 discloses a device for acquiring multiple vital sign parameters by using a piezoelectric film sensor, which widens a new approach for one-machine multiple-parameter detection application by using a flexible piezoelectric film sensor.
Although the above-mentioned apex of heart detecting device that monitors multiple vital sign parameters plays a very good role in the actual treatment process, if the detecting function of the detecting device is excessively increased, a large amount of comparison data and processing modules are also added in the device, which will slow down the transmission speed and reduce the operation speed, and will cause the large-scale of the detecting device, even if the device is used for a patient, however, in a hospital department with at least 50 patients per day, the data of each patient should be stored for a while according to the management of the medical department, too much data will cause the slow down of the operation speed, and in addition, frequently adjusting the data of multiple patients, monitoring and switching the pictures of multiple patients will cause the limitation of various software and hardware, therefore, the application is the best.
In addition, recently, it has been found that the patients with the novel coronavirus pneumonia need the detection data of heart sounds, respiration, body temperature, heart rate and heart rhythm during the treatment process, that is, the heart apex detection device using the above-mentioned multiple vital sign parameters is difficult to meet the requirements of the special patients during the actual treatment process, some patients even have redundant parameters and special parameters during the treatment process, and in addition, some hospitals have many wards and patients, and even some patients with very high infectivity such as the coronavirus pneumonia frequently contact with the patients, so that the risk of infection is difficult to avoid, such patients need doctors and nurses to frequently run between multiple rooms and multiple patients after the disease has happened, some patients even need to run on a hospital bed, which is undoubtedly very large in the consumption of physical strength and energy of the medical staff, if can be with relevant detection item classification integration in same detecting instrument, to different wards, different patients, utilize the same detecting instrument, utilize wireless transmission technology transmission detected signal, carry out unified conventional control management at the surveillance center, can be favorable to the whole control to patient's conventional vital sign, treat respectively.
Disclosure of Invention
The invention provides a ward patient vital sign wireless monitoring system, aiming at solving the problems that the existing detection equipment has single detection function, multiple detection positions and can not be used for unified detection and the like, and the ward patient vital sign wireless monitoring system can display the vital signs of a ward patient in real time, simultaneously receive data information of a plurality of patients, send an alarm to abnormal conditions, improve the safety of inpatients, reduce the workload of doctors and nurses, reduce the contact frequency between the patients and outsiders, realize non-contact vital sign acquisition, reduce or avoid cross infection and provide good conditions for remote non-contact acquisition of vital sign parameters.
The technical scheme of the invention is as follows: a wireless monitoring system for vital signs of patients in a ward comprises flexible thin film sensors, wherein the wireless monitoring system comprises flexible adhesive sheets of a plurality of flexible thin film sensors with heart sounds, heart rates, heart rhythms, body temperatures and breaths arranged on the surfaces of the flexible adhesive sheets, the flexible adhesive sheets are connected to a signal acquisition box through flat cables, the signal acquisition box is wirelessly connected with a computer, a plurality of data processing modules of the heart sounds, the heart rates, the heart rhythms, the body temperatures and the breaths are arranged in the computer, peripheral instruments of the computer including a display are connected to the computer, and processed data in the flexible thin film sensors, the signal acquisition box and the computer correspond to a patient room number and a bed position number respectively;
furthermore, a preprocessing module, a wireless transmitting module and a power module for heart sound, heart rate, heart rhythm, body temperature and respiration are arranged in the signal acquisition box, the preprocessing module is connected with the wireless transmitting module, and the power module is respectively connected with the preprocessing module and the wireless transmitting module;
further, the computer comprises a secondary amplifier for processing heart sound, heart rate, heart rhythm, body temperature and breathing data, a secondary filter, an A/D converter, a memory, a central processing unit, a wireless receiving module, an alarm module and an output module, wherein the central processing unit comprises a data calculating, comparing and analyzing processing module, the wireless receiving module is connected with a wireless transmitting module on the signal acquisition box in a wireless way, the wireless receiving module is respectively connected with the data processing modules required by the heart sound, the heart rate, the heart rhythm, the body temperature and the breathing and then connected with the central processing unit, and the output end of the central processing unit is electrically connected with peripheral instruments of the computer including a display through the output module;
furthermore, the preprocessing modules of the heart sound, the heart rate, the heart rhythm, the body temperature and the respiration respectively comprise filtering and amplifying modules of the heart sound, the heart rate, the heart rhythm, the body temperature and the respiration signals;
further, the plurality of flexible film sensors are arranged in an array shape, and the adhesive stuck to the skin is arranged at the periphery of the plurality of flexible film sensors arranged in the array shape and in the middle of the flexible sticking sheet;
furthermore, the plurality of flexible film sensors comprise one or a plurality of heart sound sensors, and the signal acquisition box, the computer and the central processing unit are internally provided with a transmission, preprocessing, calculation, comparison and analysis processing module corresponding to the signal acquisition box and the computer;
furthermore, the plurality of flexible film sensors comprise a heart rate sensor, the heart rate sensor is connected to the signal acquisition box through a flat cable and then is wirelessly connected to a computer, and the computer is connected to the central processing unit through a secondary amplifier and a secondary filter of a heart rate signal;
furthermore, the wireless connection mode comprises Bluetooth, WiFi, ZigBee and a wireless communication network for the mobile terminal;
further, the computer peripheral comprises one or more displays, one display can display data or curves of one or more patients, and each display in the plurality of displays respectively displays data or curves of one or more patients.
The invention has the following positive effects: the flexible adhesive sheet of the plurality of film sensors distributed in an array manner can be adhered to the apex of the heart and other parts of the human body, and the heart sound, the respiration, the body temperature, the heart rate and the heart rhythm of the human body at the parts can be collected, wherein the heart sound, the heart rate and the respiration are pressure signals collected by the fluctuation of the heart beat and the heart beat speed or the respiration pressure, and the temperature is signals collected by the heat; the signal acquisition box is wirelessly connected with the computer provided with the central processing unit, so that on one hand, the connection between a patient and peripheral pipelines can be reduced, the burden on the patient can be reduced, and on the other hand, the wireless connection between data of a plurality of wards and a plurality of patients and a detection central station can be realized through wireless transmission; the one or more heart sound sensors are arranged on the flexible pasting sheet, so that heart sound signals can be detected, particularly, the plurality of heart sound sensors and various data processing devices matched with the heart sound sensors are arranged, so that heart sound data can be detected more accurately, and meanwhile, novel conditions can be analyzed and identified by using system software related to the heart sound sensors, so that accurate heart sound results can be obtained; the central processing unit for processing various data is arranged in the computer, the processed data can be displayed on the display by utilizing curves and data through calculation of the data, comparison with the data in the database, analysis, storage and output, and the data exceeding the set range can alarm in a voice mode, a buzzer mode and the like so as to remind medical staff of taking measures such as treatment in time; through utilizing this kind of wireless monitor system of ward patient's vital sign, can show the ward patient's vital sign in real time, can receive a plurality of patient's data information simultaneously, send the warning to the abnormal conditions, improve inpatient's security, can alleviate doctor nurse's work load, reduce the contact frequency between patient and the outsider, realize contactless vital sign and gather, reduce or avoid cross infection, provide good conditions for the protection of infectious diseases such as breathing.
Drawings
FIG. 1 is a schematic view of the connection structure of the present invention.
Figure 2 is a schematic view of a flexible wafer provided with a plurality of film sensors.
Fig. 3 is a schematic diagram of a specific structure in the signal acquisition box.
Fig. 4 is a schematic diagram of the architecture of the central processor.
Figure 5 human heart sound graph.
Figure 6 human body temperature profile.
Figure 7 is a graph of human respiration.
Figure 8 human heart rate graph.
Figure 9 is a graph of human heart rate.
Fig. 10 is a schematic structural diagram of a human health monitoring device.
FIG. 11 is a system for discriminating a heart sound signal
Description of reference numerals: the flexible adhesive sheet 10, the adhesive part 11, the flexible film sensor 12, the flat cable 13, the signal acquisition box 14, the computer 15, the display 16, the loudspeaker 17, the first heart sound sensor 21a, the second heart sound sensor 21b, the heart rate sensor 22, the heart rate sensor 23, the body temperature sensor 24, the respiration sensor 25, the preprocessing module 30, the power module 32, the storage battery 32a, the charging jack 32b, the wireless transmitting module 33, the transmitting antenna 34, the main board 40, the secondary amplifier 41, the secondary filter 42, the A/D converter 44, the memory 45, the central processing unit 46, the wireless receiving module 48, the alarm module 49 and the output module 50.
Detailed Description
The following detailed description of the embodiments of the present invention refers to the accompanying drawings. Because the device for acquiring various vital sign parameters by the piezoelectric film sensor in the patent with the patent number 202122824185.6 also utilizes the flexible piezoelectric film sensor and has the same detection items, the invention is further developed on the basis of the patent, adds heart sounds and heart rhythms which are difficult to detect into the system, and mainly deals with data detection and disease condition monitoring of multiple wards and multiple patients.
The technical scheme of the invention is as follows: a wireless monitoring system for vital signs of patients in wards is shown in figure 1, which is a schematic view of the connection structure of the invention. Ward patient vital sign wireless monitoring system includes flexible film sensor 12, wireless monitoring system is including the flexible sticker 10 of a plurality of flexible film sensors 12 that the surface was arranged there is heart sound, the rhythm of the heart, the body temperature, including breathing, flexible sticker 10 is connected to signal acquisition box 14 through winding displacement 13, signal acquisition box 14 wireless connection has computer 15, be provided with a plurality of heart sounds including central processing unit 46 in the computer 15, the rhythm of the heart, the body temperature, a plurality of data processing modules of breathing, be connected with the peripheral instrument of computer including display 16 on the computer 15, flexible film sensor 12, signal acquisition box 14, the data of processing respectively with the sick house number in the computer 15, the bed number is corresponding.
Figure 2 is a schematic view of a flexible adhesive patch with a plurality of film sensors. Be provided with the preprocessing module of heart sound, rhythm of the heart, body temperature, breathing in the signal acquisition box 14, wireless transmitting module 33, power module 32, preprocessing module is connected with wireless transmitting module 33, and power module 32 is connected with preprocessing module, wireless transmitting module 33 respectively, for better signals, be connected with transmitting antenna 34 on the power transmitting module 33.
The plurality of flexible thin film sensors 12 are arranged in an array, and specifically include: the heart sound sensor 21a, the heart sound sensor 21b, the heart rate sensor 22, the heart rate sensor 23, the body temperature sensor 24 and the respiration sensor 25 are arranged in an array, the periphery of the plurality of flexible film sensors 12 arranged in an array and the middle position of the flexible adhesive sheet 10 are provided with an adhesive part 11 which is in contact with the skin for adhesion, and the adhesive part 11 is provided with an adhesive which is an adhesive with little corrosivity in contact with the skin.
Fig. 3 is a schematic diagram of a specific structure in the signal acquisition box. The signal acquisition box 14 comprises a pretreatment module for heart sound, heart rate, heart rhythm, body temperature and respiration, and the pretreatment module for heart sound, heart rate, heart rhythm, body temperature and respiration comprises a filtering amplification module for heart sound, heart rate, heart rhythm, body temperature and respiration signals respectively.
Be provided with a plurality of preprocessing device, wireless transmitting module 33 and power module 32 in the signal acquisition box 14 simultaneously, power module 32 provides the power to a plurality of preprocessing device and wireless transmitting module 33, and power module 32 includes battery 32a, and the usable charger of battery 32a and charging wire charge in to the battery, and the power module 32 outside is provided with charging socket 32b, and in this embodiment, battery 32a is the lithium cell.
A heart sound preprocessing module is arranged in the signal acquisition box 14, and comprises an amplifying circuit and a filter circuit, and the output end of the filter circuit is connected with a heart sound signal processor.
Fig. 4 is a schematic diagram of the architecture in the central processor. The computer 15 is provided with a second-stage amplifier 41 for processing heart sound, heart rate, heart rhythm, body temperature and breathing data, a second-stage filter 42, an A/D converter 44, a memory 45, a central processing unit 46, a wireless receiving module 48, an alarm module 49, an output module 50 and a database on an inner main board 40, and is also provided with a power module 32 which is standard in the computer 15, the central processing unit 46 has data calculation, comparison and analysis functions, the wireless receiving module 48 is wirelessly connected with a wireless transmitting module 33 on the signal acquisition box 14, the wireless receiving module 48 is respectively connected with the data processing modules required by the heart sound, the heart rate, the heart rhythm, the body temperature and the breathing and is further connected with the central processing unit 46, the central processing unit 46 comprises data calculation, comparison and analysis processing functions, and the output end of the central processing unit 46 is electrically connected with peripheral instruments of the computer including the display 16 through the output module 50, the calculator 15 is provided with data calculation, comparison and analysis software, and the database stores comparison data and calculation and analysis data of heart sounds, heart rates, heart rhythms, body temperatures and breaths.
Although all the data processing modules required for heart sound, heart rate, heart rhythm, body temperature, and respiration are not shown in fig. 4, in the present embodiment, the body temperature signal and the respiration pressure signal are respectively provided with respective amplifiers, filters, and the like to perform individual processing.
The plurality of flexible film sensors 12 include one or more heart sound sensors, and the signal collector and the computer have corresponding transmission, preprocessing, calculation, comparison, analysis and processing modules and functions thereof.
The plurality of flexible film sensors 12 comprise a heart rhythm sensor, the heart rhythm sensor is connected to the signal acquisition box 14 through a flat cable 13 and then is wirelessly connected to the computer 15, and a secondary amplifier 41 and a secondary filter of the heart rhythm signal in the computer 15 are connected to the central processing unit 46.
The wireless connection mode comprises Bluetooth, WiFi, ZigBee and a wireless communication network for the mobile terminal, and in the embodiment, the WiFi wireless connection mode is adopted.
The peripheral instruments of the computer 15 comprise a display 16, a loudspeaker 17, a buzzer, a printer and the like.
In the present embodiment, two heart sound sensors are disposed in the plurality of flexible film sensors 12, and the signal collector 14 and the computer 15 have corresponding functions of transmission, preprocessing, signal processing, a/D conversion, calculation, comparison, and analysis. The two heart sound sensors are a first heart sound sensor 21a and a second heart sound sensor 21b respectively, and a plurality of time points within a preset time length and heart sound envelopes corresponding to vibration signals collected by the first heart sound sensor 21a and the second heart sound sensor 21b are calculated in a central processing unit 46 arranged in the computer 15.
Heart sound components corresponding to the two heart sound sensors and the frequency spectrum information of the heart sound components are calculated according to the heart sound envelopes corresponding to the first heart sound sensor 21a and the second heart sound sensor 21 b. Fig. 5 is a graph of human heart sounds with time on the horizontal axis and frequency spectrum on the digital axis.
In the frequency spectrum information of the heart sound components corresponding to the two heart sound sensors, one heart sound sensor corresponding to the heart sound component having the difference value between the two detection points in the area of the flexible adhesive patch 10 within a preset numerical range and the highest frequency spectrum energy is the main heart sound sensor, and the other heart sound sensor is the auxiliary heart sound sensor.
The frequency spectrum information is compared with the preset standard frequency spectrum information to obtain the heart sound signal corresponding to the range of the flexible adhesive patch 10, and the heart sound signal is transmitted to the display 16 by using data and graphs, and meanwhile, various data can be stored in the memory 45 for calling out conveniently.
If the processed heart sound signal exceeds the set range in the database, the alarm can be given out through the loudspeaker 17 and the buzzer, meanwhile, the ward and the bed number of the patient can be displayed, and the medical staff can take corresponding measures according to specific conditions.
Body temperature: fig. 6 is a graph of body temperature, which is transmitted to a computer for signal processing through an amplifier and a filter and then a wireless transmission module, and is converted into data signals by an a/D conversion module and transmitted to a central processing unit 46 for processing, so as to obtain body temperature data and also output a body temperature curve.
Breathing: fig. 7 is a graph showing the respiration rate of a human body, wherein a respiration signal detected by the respiration sensor 25 is transmitted to a computer for signal processing through an amplifier and a filter by using a wireless transmission module, is converted into a data signal by an a/D conversion module and is transmitted to a central processing unit 46 for processing, the respiration rate is obtained through calculation, a numerical value curve is transmitted to a display, and if the respiration rate is too low, a buzzer sounds or an amplifier sounds a voice alarm or an alarm.
In the aspect of respiratory processing, compare with the device that earlier patent 202122824185.6 utilized the piezoelectric film sensor to gather multiple vital sign parameter, do not utilize the separator to breathe and the separation of heart rate signal, the signal that detects is more single, can directly filter, the entering after enlargiing is handled in the computer, and data processing is simpler.
Heart rate: fig. 8 is a graph of body heart rate, the heart rate sensor 22 sends the detected heart rate to the computer 15 through the amplifier and the filter, and then the heart rate is processed and output by the central processing unit 46 after being filtered and amplified by the wireless transmission module, wherein, after comparison, if the heart rate data exceeds the set data, the heart rate data will be sent out buzzing sound through the buzzer or sent out voice alarm or alarm sound through the amplifier.
The rhythm of the heart: fig. 9 is a graph of body rhythm, the plurality of flexible thin film sensors include a rhythm sensor 23, the rhythm of heart is connected to a signal acquisition box 53 through a flat cable after a signal pressure signal detected by the rhythm sensor 23 is converted into an analog signal, the signal is filtered and amplified and then wirelessly transmitted to the computer 15, a second-stage amplifier 41 and a second-stage filter 42 of the rhythm signal in the computer 15 are sent to a central processing unit 46 for processing, rhythm data or images can be obtained after the processing of the central processing unit 46, and the rhythm data or images are output to the display 16.
According to the invention, the flexible adhesive sheet 10 can be adhered to the apex of the heart and other parts of the human body by utilizing the flexible adhesive sheets 10 of the plurality of film sensors distributed in an array manner, and the heart sound, the respiration, the body temperature, the heart rate and the heart rhythm of the human body at the parts can be collected, wherein the heart sound, the heart rate and the respiration are pressure signals collected by utilizing the fluctuation of the heart beat and the heart beat speed or the respiration pressure, and the temperature is signals collected by utilizing the heat; the respective preprocessing modules 30 are used for carrying out preliminary signal processing, noise can be removed, signals are amplified, the signals are transmitted out through wireless transmitting signals, wireless receiving modules 48 arranged in the computer 15 are used for receiving wireless signals, and the wireless connection between the signal acquisition box 14 and the computer 15 provided with the central processing unit 46 can reduce the pipeline connection between a patient and the periphery and reduce the burden on the patient on one hand and can carry out wireless connection between data of a plurality of wards and a plurality of patients and a detection central station through wireless transmission on the other hand; the one or more heart sound sensors are arranged on the flexible paste 10, so that heart sound signals can be detected, particularly, the plurality of heart sound sensors and various data processing devices matched with the heart sound sensors are arranged, so that heart sound data can be detected more accurately, and meanwhile, novel conditions can be analyzed and identified by using system software related to the heart sound sensors, so that accurate heart sound results can be obtained; by providing the central processing unit 46 for processing various data in the computer 15, it is possible to perform the data processing by calculating the data, comparing the data with the data in the database, analyzing, storing, outputting, the processed data can be displayed on the display 16 by utilizing the curve and the data, the data which exceeds the set range can be alarmed by voice, buzzing and other modes, the medical staff can be reminded to take measures such as treatment and the like in time, by utilizing the wireless monitoring system for the vital signs of the patients in the sickrooms, can display the vital signs of patients in a ward in real time, can receive data information of a plurality of patients simultaneously, the alarm is sent to abnormal conditions, the safety of inpatients is improved, the workload of doctors and nurses can be reduced, the contact frequency between patients and outsiders is reduced, non-contact vital sign collection is realized, cross infection is reduced or avoided, and good conditions are provided for protection of infectious diseases such as respiration.
Claims (9)
1. The utility model provides a wireless monitor system of ward patient vital sign, includes flexible film sensor, its characterized in that: the wireless monitoring system comprises a plurality of flexible film sensors which are arranged on the surface and are connected with a signal acquisition box through a flat cable, the signal acquisition box is wirelessly connected with a computer, the computer is internally provided with a plurality of heart sounds including a central processing unit, the heart rate, the heart rhythm, the body temperature and the respiratory data processing module, the computer is connected with peripheral computer instruments including a display, and the flexible film sensors, the signal acquisition box and the data processed in the computer correspond to the hospital room number and the bed position number respectively.
2. The wireless monitoring system for vital signs of patients in wards of claim 1, wherein: the heart sound, heart rate, rhythm of the heart, body temperature, respiratory signal's preprocessing module, wireless transmitting module, power module are provided with in the signal acquisition box, and preprocessing module is connected with wireless transmitting module, and power module is connected with preprocessing module, wireless transmitting module respectively.
3. The wireless monitoring system for vital signs of patients in wards of claim 1, wherein: including the second grade amplifier of handling heart sound, the rhythm of the heart, the body temperature, the respiratory data in the computer, the second grade wave filter, the AD converter, a memory, central processing unit, wireless receiving module, alarm module, output module, including data calculation in the central processing unit, compare, analysis processing module, wireless receiving module is connected wireless connection with the wireless transmitting module on the signal acquisition box, wireless receiving module respectively with heart sound, the rhythm of the heart, the body temperature, breathe required data processing module and be connected, again with central processing unit, the central processing unit output is connected through output module and the peripheral instrument electricity of computer including the display.
4. The wireless monitoring system for vital signs of patients in wards of claim 1, wherein: the pretreatment modules of the heart sound, the heart rate, the heart rhythm, the body temperature and the respiration respectively comprise a filtering and amplifying module of the heart sound, the heart rate, the heart rhythm, the body temperature and the respiration signals.
5. The wireless patient vital sign monitoring system of claim 1, wherein: the flexible film sensors are arranged in an array form, and the adhesive stuck to the skin is arranged between the periphery of the flexible film sensors arranged in the array form and the flexible adhesive sheet.
6. The wireless monitoring system for vital signs of patients in wards of claim 1, wherein: the flexible film sensors comprise one or more heart sound sensors, and the signal acquisition box, the computer and the central processing unit thereof are internally provided with transmission, preprocessing, calculation, comparison and analysis processing modules corresponding to the signal acquisition box.
7. The wireless monitoring system for vital signs of patients in wards of claim 1, wherein: the flexible film sensors comprise a heart rhythm sensor, the heart rhythm sensor is connected to the signal acquisition box through a flat cable and then is wirelessly connected to a computer, and the computer is connected to the central processing unit through a secondary amplifier and a secondary filter of a heart rhythm signal.
8. The wireless monitoring system for vital signs of patients in wards of claim 1, wherein: the wireless connection mode comprises Bluetooth, WiFi, ZigBee and a wireless communication network for the mobile terminal.
9. The wireless monitoring system for vital signs of patients in wards of claim 1, wherein: the computer peripheral equipment comprises one or more displays, one display can display data or curves of one or more patients, and each display in the plurality of displays respectively displays the data or curves of one or more patients.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210455285.2A CN114617535A (en) | 2022-04-28 | 2022-04-28 | Ward patient vital sign wireless monitoring system |
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| CN202210455285.2A CN114617535A (en) | 2022-04-28 | 2022-04-28 | Ward patient vital sign wireless monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116153505A (en) * | 2023-04-21 | 2023-05-23 | 苏州森斯缔夫传感科技有限公司 | Intelligent critical patient sign identification method and system based on medical pressure sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116153505A (en) * | 2023-04-21 | 2023-05-23 | 苏州森斯缔夫传感科技有限公司 | Intelligent critical patient sign identification method and system based on medical pressure sensor |
| CN116153505B (en) * | 2023-04-21 | 2023-08-18 | 苏州森斯缔夫传感科技有限公司 | Intelligent critical patient sign identification method and system based on medical pressure sensor |
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