CN110638632A - Public first-aid system and implementation method - Google Patents

Public first-aid system and implementation method Download PDF

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Publication number
CN110638632A
CN110638632A CN201910994335.2A CN201910994335A CN110638632A CN 110638632 A CN110638632 A CN 110638632A CN 201910994335 A CN201910994335 A CN 201910994335A CN 110638632 A CN110638632 A CN 110638632A
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data
glasses
heart rate
compression
rescuer
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欧阳瑾瑶
吴王婷
舒琳
张雅惠
张子阳
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H31/00Artificial respiration or heart stimulation, e.g. heart massage
    • A61H31/004Heart stimulation
    • A61H31/005Heart stimulation with feedback for the user
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/024Detecting, measuring or recording pulse rate or heart rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements 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
    • A61B5/6802Sensor mounted on worn items
    • A61B5/681Wristwatch-type devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/74Details of notification to user or communication with user or patient ; user input means
    • A61B5/742Details of notification to user or communication with user or patient ; user input means using visual displays
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H31/00Artificial respiration or heart stimulation, e.g. heart massage
    • A61H31/004Heart stimulation
    • A61H31/007Manual driven
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2230/00Measuring physical parameters of the user
    • A61H2230/04Heartbeat characteristics, e.g. E.G.C., blood pressure modulation
    • A61H2230/06Heartbeat rate

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Physiology (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

The invention relates to a public first-aid system and a realization method thereof, wherein the system comprises external chest compression gloves, wrist bands and AR glasses; the chest compression glove is worn on the hand of a rescuer and comprises a glove main body, an acceleration sensor, a first Bluetooth module and a first UNO development board, wherein the acceleration sensor detects and outputs compression data, and the first UNO development board processes the compression data and sends the compression data to AR glasses through a first Bluetooth module; the wrist strap is worn on the body of a rescued person and comprises a heart rate monitoring sensor, a second UNO development board and a second Bluetooth module, the heart rate monitoring sensor detects heart rate data of the rescued person, and the second UNO development board processes the heart rate data and sends the heart rate data to the AR glasses through the second Bluetooth module; the AR glasses are worn on the rescuer, and the pressing data and the heart rate data are visualized on the glasses display screen. The invention solves the problem that the prior public emergency facilities can not enable non-professional medical personnel to carry out pre-hospital emergency quickly and accurately.

Description

Public first-aid system and implementation method
Technical Field
The invention belongs to the field of public emergency equipment, and particularly relates to a public emergency system and an implementation method.
Background
For the sudden cardiac arrest in public places, a great number of cases exist every year, if timely and scientific treatment is lacked, the life characteristics of a patient can be lost quickly, irretrievable consequences are caused, the optimal treatment time is within eight minutes of the sudden cardiac arrest, and professional rescuers are too late, so that the patient needs to be treated before an ambulance comes. In the face of cardiac arrest, the patient needs to be rescued by chest compressions, but the wrong way of compression may adversely affect the patient, so in public places, effective and scientific chest compressions are necessary before the ambulance arrives.
The following points need to be considered when performing chest compressions: the position to be pressed is accurate (1/3 in the middle and lower sternum), the depth to be pressed is accurate (the depth is 5-6 cm), the frequency to be pressed is accurate (the frequency to be pressed is 80-100 times/min, the frequency to be used for children is 90-100 times/min, the ratio of the time of pressing to the time of relaxation is proper to be 1: 2), the posture of the patient is accurate (the body of the patient lies flat, the head of the patient is properly lowered, the content is prevented from flowing back into the trachea when the patient presses), and the posture to be pressed is accurate (the palm root of the rescuer is tightly attached to the pressed part of the chest, the other palm of the rescuer is placed on the back of the hand, the two hands are overlapped in parallel, the fingers are. Based on the above compression points, non-professional compression is unreliable, and experiments show that using an external chest compression machine for treatment would be a better choice for better treatment. However, in the face of sudden cardiac arrest in public places, the use of a cardiopulmonary resuscitator is obviously inappropriate for the following reasons: the cardiopulmonary resuscitator alone cannot observe various vital signs of a rescued person in real time, and improper use of the cardiopulmonary resuscitator can cause negative effects on a patient. The same effect can not be generated under the condition of pressing different patients, and the pressing efficiency can be greatly reduced if the physical signs of the patients cannot be monitored in real time. It would be very helpful if a cardiopulmonary resuscitation machine and other devices for monitoring vital signs could be stored in a public place, but this is not practical because many devices are not universally available, if not a professional, to complete the treatment within eight minutes of the patient's cardiac arrest.
In view of the above situations, there is a need to develop a public first aid product, which is placed in public places, has the characteristics of convenience, practicability, accurate compression, real-time monitoring, real-time feedback and real-time adjustment, and enables patients to obtain scientific and accurate chest compression therapy within eight minutes of sudden cardiac arrest.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a public first-aid system and an implementation method thereof, and solves the problem that the existing public first-aid facilities can not enable non-professional medical personnel to carry out pre-hospital first-aid quickly and accurately.
The public first-aid system comprises external chest compression gloves, wrist bands and AR glasses, wherein data transmission among the external chest compression gloves, the wrist bands and the AR glasses is realized through Bluetooth modules respectively;
the chest compression glove is worn on the hand of a rescuer and comprises a glove main body, an acceleration sensor, a first Bluetooth module and a first UNO development board, wherein the first UNO development board is respectively connected with the acceleration sensor and the first Bluetooth module; the acceleration sensor is used for detecting and outputting pressing data, the first UNO development board is used for processing the pressing data detected by the acceleration sensor and sending a processing result to the AR glasses through the first Bluetooth module;
the wrist strap is worn on the body of the rescued person and comprises a heart rate monitoring sensor, a second UNO development board and a second Bluetooth module, wherein the second UNO development board is respectively connected with the heart rate monitoring sensor and the second Bluetooth module; the heart rate monitoring sensor is used for detecting and outputting heart rate data of the rescued person, the second UNO development board is used for processing the heart rate data monitored by the heart rate monitoring sensor and sending a processing result to the AR glasses through the second Bluetooth module;
AR glasses are worn on the rescuer, receive the extrathoracic pressure gloves and the pressure data and the heart rate data of wrist strap transmission to will press data and heart rate data visualization on the glasses display screen, feedback the rescuer action information and the rescued person state in real time.
The acceleration sensor, the first Bluetooth module and the first UNO development board are arranged on the back of the glove main body.
The AR glasses are further used for scanning the body contour of the patient, estimating and marking the heart position according to local body data, and displaying the heart position information on the AR glasses so that the rescuer can recognize the heart position.
The invention discloses a method for realizing a public first-aid system, which comprises the following steps:
s1, taking out the public emergency system;
s2, the rescuer holds the patient flat, wears a bracelet on the patient, and wears AR glasses and chest pressing gloves;
s3, performing chest compression by the rescuer according to the heart position of the patient, monitoring the compression data by an acceleration sensor on a chest compression glove, transmitting the compression data to AR glasses through a Bluetooth module, and giving feedback information to the rescuer;
s4, after the rescuer acquires the pressing data through the AR glasses, the rescuer adjusts the pressing speed, frequency and pressing depth according to the pressing data;
s5, the heart rate monitoring sensor of wrist strap monitors heart rate data to transmit to AR glasses through bluetooth module, the display screen display of AR glasses shows heart rate data curve.
In step S3, the rescuer scans the body contour of the patient by means of the AR glasses, and analyzes the heart position of the patient based on the cloud data AI algorithm.
Compared with the prior art, the invention has the following technical effects:
1. in the prior art, a pressure sensor is used for correcting the posture of a rescuer, but the muscle density of each person is different by combining with the actual rescue environment and regulations, the corresponding pressing depth of the same pressure applied to different persons is different, and the pressure sensor can generate larger errors in displacement judgment. The invention adopts the acceleration sensor to calculate and output the pressing depth and frequency in an integral way, and feeds back the data of the pressing depth and frequency to the rescuer in real time, so that the rescuer can adjust the action of the rescuer in time, and the invention has the advantage of ensuring the effective rescuing operation in real time.
2. The location of the compressions according to the relevant prescription CPR is the mid-lower sternum 1/3, the mid-point between the two papillary lines, or the two lateral fingers on the xiphoid process, which is difficult for non-professionals to judge. The existing technology for judging the pressing position is to place the rescued person on a fixed human-shaped carpet, and inform the heart position of the rescued person about the appointed human-shaped contour on the carpet; because the difference of the height of each person brings the difference of the heart of each person, namely the pressing position, the fixed contour can produce larger error when judging the pressing position. The invention adopts the technical means of scanning the contour of the human body to calculate the heart (pressing) position, and has the advantage that non-professionals can carry out rescue rapidly.
3. The invention feeds back the operation of the rescuer and the vital signs of the rescued person in a data visualization mode, and has the advantage of higher efficiency of the whole operation process. The displacement frequency data collected and calculated on the gloves and the heart rate data collected on the heart rate bracelet can form an intuitive chart in real time and be displayed on the glasses. Compared with the existing indicator lamp feedback, the visual pattern and the striking color of the chart enable the rescuers to realize whether the operation is correct or not and monitor the life state of the rescuers in real time, and the efficiency of the whole rescue process is improved.
4. The acceleration zero calibration technology is adopted, zero calibration is carried out once each time half-stroke pressing is completed, all data become 0, the displacement error obtained through acceleration integration is smaller, the data are more accurate, and the method has the advantage of smaller error.
5. According to the invention, the emergency actions are packed and civilized, so that a complete pre-hospital emergency service system is formed, the life of public places is more perfectly guaranteed, and the pre-hospital emergency efficiency is improved. The complete pre-hospital emergency service system comprises a complete system of suppliers, technical support, users, products and service flows.
Drawings
FIG. 1 is an overall schematic view of the public first aid system of the present invention;
FIG. 2 is a schematic view of a partial glove structure;
FIG. 3 is a schematic view of a wristband portion;
FIG. 4 is a schematic view of a portion of the eyewear;
FIG. 5 is a flow chart of an embodiment of the present invention;
FIG. 6 is a block diagram of the monitoring of electrocardiographic data;
FIG. 7 is a UI interface information architecture block diagram;
FIG. 8 is an ecological schematic diagram of the system of the present invention;
wherein, 1 is the gloves main part, 2 is bluetooth module, 3 is acceleration sensor, 4 are UNO development board, 5 are the wrist strap, 6 are the elasticity of wrist strap and buckle, 7 are heart rate monitoring sensor, 8 are external wire, 9 are UNO development board, 10 are AR glasses, 11 are glasses power module, 12 are the glasses display screen, 13 are glasses bluetooth module, 14 are the connecting wire of wrist strap and gloves.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
As shown in fig. 1-6, the public first aid system of the present invention includes chest compression gloves, wrist bands, and AR glasses. Data transmission is realized among the chest pressing gloves, the wrist strap and the AR glasses through the Bluetooth module respectively.
In the embodiment, the external chest compression glove is worn on the hand of a rescuer and comprises a glove main body 1, an ADXL335 triaxial acceleration sensor 3, a Bluetooth module 2 and a UNO development plate 4, wherein the UNO development plate is respectively connected with the triaxial acceleration sensor and the Bluetooth module 2; the wrist strap is worn on the body of a rescuee and comprises a pulseSenser heart rate monitoring sensor 7, a UNO development board 9, a Bluetooth module and a buckle 6 of the wrist strap, wherein the UNO development board 9 is respectively connected with the heart rate monitoring sensor and the Bluetooth module; wrist strap and gloves separation, heart rate monitoring sensor arrange in wrist strap (also called rhythm of the heart bracelet), and acceleration sensor, bluetooth module, UNO development board arrange the relevant position of gloves main part in, generally set up the back at the gloves main part. The acceleration sensor is used for detecting and outputting vertical compression data of the user, so that the compression depth of the user during CPR is ensured to be correct and effective; the UNO development board is a programmable chip and is used for processing vertical pressing data (such as pressing speed, frequency and pressing depth) detected by the acceleration sensor and sending a processing result to the AR glasses through the Bluetooth module.
The heart rate monitoring sensor on the wrist strap is used for detecting and outputting heart rate data of the rescued person and helping the rescuers to know the physical state of the patient in real time. The wrist strap is provided with a UNO development board which is a programmable chip and is used for processing heart rate data monitored by the heart rate monitoring sensor and sending a processing result to the AR glasses through the Bluetooth module.
The AR glasses are worn on the rescuer, receive monitoring data transmitted by the gloves and the wrist straps, visualize data such as heart rate data, pressing frequency, pressing depth and pressing speed on the glasses display screen 12, feed back action information of the rescuer and the state of the rescued person in real time, and guarantee rescue action specification of the rescuer. In addition, the AR glasses can be further used for scanning the human body contour of the patient, the heart position of the patient is obtained based on cloud data AI algorithm analysis, namely the heart position is estimated and marked according to local human body data, the heart position information is displayed on the AR glasses, so that a rescuer can identify the heart position, and all users can find the pressing position.
The CPR system is suitable for indoor and outdoor public places, the use space is mainly divided into an indoor space and an outdoor space, the CPR system is mainly attached to obvious high-density public facilities such as fire hydrants and the like, and people can find and use the CPR system in time when needed. When an adult needs CPR in a public place, a rescuer needs to put the rescued person flat, take the chest compression gloves, wear AR glasses, wear the first-aid wrist strap for the rescued person, and perform cardio-pulmonary resuscitation according to the instructions of the chest compression gloves and the AR glasses. After wearing the first aid gloves, the hand rescue gesture of the person of executing the rescue will be fixed, and the person of executing the rescue puts the hand in the heart resuscitation pressing point of the person of being saved, presses, and the flow is as shown in fig. 5, specifically includes the following steps:
s1, taking out the public emergency system, and when the public emergency system is moved away from the original position, automatically alarming to contact a hospital; the automatic alarm is implemented using the existing technology of nb-iot module.
S2, the rescuer holds the patient flat, wears a bracelet on the patient, and wears AR glasses and chest pressing gloves;
s3, performing chest compression by the rescuer according to the heart position of the patient, monitoring vertical compression data (such as compression speed, frequency and compression depth) by an acceleration sensor on a chest compression glove, transmitting the compression data to AR glasses through a Bluetooth module, and giving feedback information to the rescuer;
the rescuer can directly judge the heart position of the patient by virtue of own experience or mastery knowledge; the body contour of the patient can be scanned by means of AR glasses, and the heart position of the patient is obtained through analysis based on a cloud data AI algorithm;
s4, after obtaining the pressing data through AR glasses, the rescuer adjusts the pressing speed, frequency and pressing depth according to the pressing data, and rescues the adult with the pressing depth of 5-6cm and the frequency of 100-;
s5, the heart rate monitoring sensor of wrist strap monitors heart rate data to transmit to AR glasses through bluetooth module, the display screen of AR glasses shows heart rate data curve, and the person of rescuing can learn from this whether the person of being rescued is treated by success, obtains timely feedback.
According to relevant regulations, the compression depth of adult rescue is 5-6cm, the frequency is 100-120 times/minute, and by using the acceleration sensor, data of the compression frequency and the compression depth can be fed back to a rescuer in real time, so that the rescuer can adjust own actions in time. In this embodiment, when carrying out CPR, acceleration sensor in the gloves can detect the speed, frequency, the degree of depth that the person of suing and labouring pressed, press data uploads such as frequency, degree of depth through bluetooth module, transmits to in high in the clouds and the first aid AR glasses, and the AR glasses will receive data and standard data comparison, and the degree of depth, the frequency data that will save and labouring press the production are visual, make the feedback to the person of suing and labouring, if the action mistake appears, can remind the person of suing and labouring to adjust to exact action through glasses.
In this embodiment, the winding is monitored person's heart rate at person's the wrist strap of being rescued, as shown in fig. 6, person's the pulse characteristic can be monitored person's of being rescued to pulse senser heart rate monitoring sensor of wrist strap to reach the high in the clouds in with heart rate data transmission to AR glasses through bluetooth module, can show the data curve in the AR glasses, the person of rescuing can learn from this whether person is rescued successfully, obtain timely feedback.
In this embodiment, the information displayed on the display screen interface of the AR glasses includes the pressing frequency and depth information of the rescuer, the heart rate information of the rescuer, the standard pressing frequency depth, the rescue time, and the like, and the information structure and the low fidelity interface are shown in fig. 7.
In this embodiment, under the off-line condition, data in wrist strap and the gloves can not transmit to the high in the clouds all together, will directly be data storage in local, do not influence the use of first aid gloves. And under the non-offline condition, retransmitting the data to the cloud.
In this embodiment, the emergency product system is used ecologically as shown in fig. 8, and a wearable device, i.e., a public emergency product system, is combined with a user, a supplier and a cooperative organization to form a service system network, so as to ensure that the emergency service can be provided rapidly under multi-party contact.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (9)

1. The public first-aid system is characterized by comprising external chest compression gloves, wrist bands and AR glasses, wherein data transmission among the external chest compression gloves, the wrist bands and the AR glasses is realized through Bluetooth modules respectively;
the chest compression glove is worn on the hand of a rescuer and comprises a glove main body, an acceleration sensor, a first Bluetooth module and a first UNO development board, wherein the first UNO development board is respectively connected with the acceleration sensor and the first Bluetooth module; the acceleration sensor is used for detecting and outputting pressing data, the first UNO development board is used for processing the pressing data detected by the acceleration sensor and sending a processing result to the AR glasses through the first Bluetooth module;
the wrist strap is worn on the body of the rescued person and comprises a heart rate monitoring sensor, a second UNO development board and a second Bluetooth module, wherein the second UNO development board is respectively connected with the heart rate monitoring sensor and the second Bluetooth module; the heart rate monitoring sensor is used for detecting and outputting heart rate data of the rescued person, the second UNO development board is used for processing the heart rate data monitored by the heart rate monitoring sensor and sending a processing result to the AR glasses through the second Bluetooth module;
AR glasses are worn on the rescuer, receive the extrathoracic pressure gloves and the pressure data and the heart rate data of wrist strap transmission to will press data and heart rate data visualization on the glasses display screen, feedback the rescuer action information and the rescued person state in real time.
2. The public first aid system of claim 1 wherein the heart rate monitoring sensor is disposed within a wristband.
3. Public first aid system according to claim 1, characterized in that the acceleration sensor, the first bluetooth module and the first UNO development board are placed on the back of the glove body.
4. Public first aid system according to claim 1, characterized in that the acceleration sensor is a three-axis acceleration sensor and the heart rate monitoring sensor is a pulsesensor heart rate monitoring sensor.
5. The public emergency system of claim 1 wherein the compression data comprises compression speed, frequency and compression depth.
6. The public emergency system of claim 1, wherein the AR glasses are further configured to scan a contour of a patient's body, estimate and label a heart location based on local body data, and display heart location information on the AR glasses for a rescuer to identify the heart location.
7. The method for implementing the public first aid system according to claim 1, comprising the following steps:
s1, taking out the public emergency system;
s2, the rescuer holds the patient flat, wears a bracelet on the patient, and wears AR glasses and chest pressing gloves;
s3, performing chest compression by the rescuer according to the heart position of the patient, monitoring the compression data by an acceleration sensor on a chest compression glove, transmitting the compression data to AR glasses through a Bluetooth module, and giving feedback information to the rescuer;
s4, after the rescuer acquires the pressing data through the AR glasses, the rescuer adjusts the pressing speed, frequency and pressing depth according to the pressing data;
s5, the heart rate monitoring sensor of wrist strap monitors heart rate data to transmit to AR glasses through bluetooth module, the display screen display of AR glasses shows heart rate data curve.
8. The method according to claim 6, wherein the step S5 adjusts the compression speed, frequency and compression depth according to the compression data as follows: the depth of the rescue compression for adults is 5-6cm, and the frequency is 100-.
9. The method of claim 6, wherein in step S3, the rescuer scans the body contour of the patient by means of AR glasses, and analyzes the heart position of the patient based on a cloud data AI algorithm.
CN201910994335.2A 2019-10-18 2019-10-18 Public first-aid system and implementation method Pending CN110638632A (en)

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CN208864300U (en) * 2017-12-22 2019-05-17 苏州尚领医疗科技有限公司 A kind of multifunctional wrist strap formula cardiopulmonary resuscitation auxiliary device
CN108785051A (en) * 2018-06-01 2018-11-13 大连理工大学 A kind of the parametrization monitoring device and method of During Cardiopulmonary Resuscitation
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CN113593341A (en) * 2021-08-02 2021-11-02 徐州医科大学 Cardiopulmonary resuscitation teaching guidance device based on motion capture system
CN113768773A (en) * 2021-09-07 2021-12-10 首都医科大学宣武医院 CPR device
CN114848449A (en) * 2022-05-24 2022-08-05 哈尔滨医科大学 But swing support arm target location presses first aid device based on binocular vision

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