CN111278400B - Cardiopulmonary resuscitation operation detection system, calibration device, detection terminal and detection method - Google Patents
Cardiopulmonary resuscitation operation detection system, calibration device, detection terminal and detection method Download PDFInfo
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- CN111278400B CN111278400B CN202080000222.7A CN202080000222A CN111278400B CN 111278400 B CN111278400 B CN 111278400B CN 202080000222 A CN202080000222 A CN 202080000222A CN 111278400 B CN111278400 B CN 111278400B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL 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
- A61H31/00—Artificial respiration or heart stimulation, e.g. heart massage
- A61H31/004—Heart stimulation
- A61H31/005—Heart stimulation with feedback for the user
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL 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
- A61H31/00—Artificial respiration or heart stimulation, e.g. heart massage
- A61H31/004—Heart stimulation
- A61H31/007—Manual driven
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL 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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5023—Interfaces to the user
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL 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
- A61H2230/00—Measuring physical parameters of the user
- A61H2230/04—Heartbeat characteristics, e.g. E.G.C., blood pressure modulation
Abstract
The disclosure relates to a cardiopulmonary resuscitation operation detection system, a calibration device, a detection terminal and a detection method. The cardiopulmonary resuscitation operation detection system comprises a calibration device and a detection terminal, and the cardiopulmonary resuscitation operation detection method comprises the steps of shooting the calibration device to obtain a video image of the calibration device; and determining the moving distance of the calibration device according to the size of the marking part on the calibration device and the video image of the calibration device. This openly detects cardiopulmonary resuscitation's the depth of pressing through the image, and it is high to detect the precision, satisfies cardiopulmonary resuscitation's requirement.
Description
Technical Field
The disclosure belongs to the field of detection equipment, and particularly relates to a cardio-pulmonary resuscitation operation detection system, a calibration device, a detection terminal and a detection method.
Background
Sudden cardiopulmonary arrest is the most urgent condition in clinic, and cardiopulmonary resuscitation first aid operation is widely applied in the first aid scene of sudden cardiopulmonary arrest. In first-aid compressions, two parameters are important, one being the frequency of compressions and one being the depth of compressions. The standards proposed by the international union of resuscitation and the american heart association in 2010 are to ensure that the frequency of chest compressions is > 100/min and the depth of compressions is > 5 cm.
Better statistics can be achieved at present aiming at the detection of the pressing frequency. Meanwhile, in some existing technologies, an acceleration sensor is used for calculating the depth of pressing by integrating with the movement time, and due to the machining precision of the acceleration sensor, the pressing direction is variable and the interference of gravity, the problem of insufficient precision exists in detecting the depth of pressing by using the acceleration sensor. For example, when the pressing depth is greater than 5 cm, the detection error is required to be less than +/-0.5 cm, and the required detection precision is often difficult to ensure by the current precision of the acceleration sensor. If a sensor with high accuracy is used, the cost of the detection device is increased significantly. Since a detection device having a high cost is difficult to be widely used, it is difficult to obtain high accuracy in detecting the depth of compression at the time of emergency treatment in an actual scene.
Disclosure of Invention
The utility model provides a cardiopulmonary resuscitation operation detecting system, calibration device, detection terminal and detection method, through calibration device and detection terminal's cooperation, reduce the error of pressing the depth detection, satisfy cardiopulmonary resuscitation's requirement.
One embodiment of the present disclosure provides a cardiopulmonary resuscitation operation detection system, including a calibration device and a detection terminal; the calibration device comprises: a fixing member for fixing the calibration device to a wrist of a rescuer; a marking member disposed on the fixing member and formed in a pattern having a predetermined dimensional parameter, the marking member including a self-luminous structure and/or a light reflecting structure; the detection terminal comprises: the camera module is used for shooting the calibration device to obtain a video image of the calibration device; and the processing module is used for determining the moving distance of the calibration device according to the size of the marking component and the video image of the calibration device.
According to some embodiments of the present disclosure, the marking member includes a diffuse transmission strip forming the figure on the fixing member and a first light source disposed in the fixing member.
According to some embodiments of the present disclosure, the brightness of the first light source is adjustable, and the calibration apparatus further includes a brightness sensor disposed on the fixing member, the brightness sensor being configured to detect the ambient brightness.
According to some embodiments of the present disclosure, the marking element comprises a reflective strip, and/or a fluorescent strip, which form the pattern on the fixing element.
According to some embodiments of the present disclosure, the calibration device further includes an orientation mark member disposed on the fixing member, the orientation mark member being used to distinguish a graphic direction of the mark member.
According to some embodiments of the disclosure, the calibration device further comprises a three-axis acceleration sensor for measuring the pressing force.
According to some embodiments of the present disclosure, the calibration apparatus further includes a bluetooth module, configured to connect to the detection terminal via bluetooth; and/or a voice output module for outputting voice; and/or a vibration module for generating vibrations.
According to some embodiments of the present disclosure, the cardiopulmonary resuscitation operation detection system further includes a server, and the detection terminal is connected to the server through a communication module.
According to some embodiments of the present disclosure, the cardiopulmonary resuscitation operation detection system further includes a detection terminal support that supports the detection terminal such that the detection terminal maintains a posture and a position.
According to some embodiments of the present disclosure, a light guide plate is disposed on a top of the detection terminal support, and the light guide plate is used for illuminating illumination light of the detection terminal in a specified direction.
According to some embodiments of the present disclosure, the detection terminal support includes a power source and a single lead electrocardiograph module for monitoring heartbeat.
According to some embodiments of the present disclosure, the test terminal support includes a data line for connecting the test terminal.
According to some embodiments of the present disclosure, the test terminal stand includes a foldable leg having a damping member disposed on an axis of the leg.
One embodiment of the present disclosure provides a calibration apparatus for cardiopulmonary resuscitation operation detection, including: the fixing component is used for fixing the calibration device on the wrist of a rescuer; and a marking member disposed on the fixing member and formed in a pattern having a predetermined dimensional parameter, the marking member including a self-luminous structure and/or a light reflecting structure.
According to some embodiments of the present disclosure, the marking member includes a diffuse transmission strip forming the graphic on the fixing member and a first light source disposed in the fixing member.
According to some embodiments of the present disclosure, the brightness of the first light source is adjustable, and the calibration apparatus further includes a brightness sensor disposed on the fixing member, the brightness sensor being configured to detect the ambient brightness.
According to some embodiments of the present disclosure, the marking element comprises a reflective strip, and/or a fluorescent strip, which form the pattern on the fixing element.
According to some embodiments of the present disclosure, the calibration device further comprises an orientation mark component disposed on the fixing component, and the orientation mark component is used for distinguishing the graphic direction of the mark component.
According to some embodiments of the disclosure, the calibration device further comprises a three-axis acceleration sensor for measuring the pressing force.
According to some embodiments of the present disclosure, the calibration apparatus further includes a bluetooth module, configured to connect to the detection terminal via bluetooth; and/or a voice output module for outputting voice; and/or a vibration module for generating vibrations.
One embodiment of the present disclosure provides a detection terminal, including: the camera module is used for shooting the calibration device to obtain a video image of the calibration device; and the processing module is used for determining the moving distance of the calibration device according to the size of the marking part on the calibration device and the video image of the calibration device.
According to some embodiments of the disclosure, the processing module comprises: the calibration device comprises a first sub-module and a second sub-module, wherein when the calibration device is not moved, the first sub-module determines an actual distance corresponding to a pixel in a video image of the calibration device according to the size of a marking part and a first pixel number corresponding to the size of the marking part in the video image of the calibration device; the second sub-module determines an upper limit image frame and a lower limit image frame from the video image of the calibration device when the calibration device moves, and determines a second pixel number corresponding to the movement distance of the calibration device according to the upper limit image frame and the lower limit image frame; and the third sub-module determines the moving distance of the calibration device according to the actual distance corresponding to the pixels in the video image of the calibration device and the second pixel number. According to some embodiments of the present disclosure, the detection terminal further comprises: the communication module is used for connecting a server; and/or a positioning module, for positioning the position of the detection terminal; and/or the Bluetooth module is used for connecting the calibration device by Bluetooth; and/or a voice input module for inputting voice; and/or a voice output module for outputting voice; and/or a display module for displaying the image information.
One embodiment of the present disclosure provides a cardiopulmonary resuscitation operation detection method, including: shooting a calibration device to obtain a video image of the calibration device; determining the moving distance of the calibration device according to the size of the marking part on the calibration device and the video image of the calibration device; judging whether the moving distance of the calibration device is within a preset range or not; and sending out prompt information in response to the fact that the moving distance of the calibration device is out of the preset range.
According to some embodiments of the present disclosure, the determining a movement distance of the calibration device according to a size of a marker component on the calibration device and a video image of the calibration device comprises: when the calibration device is not moved, determining an actual distance corresponding to a pixel in a video image of the calibration device according to the size of a marking part and a first pixel number corresponding to the size of the marking part in the video image of the calibration device; when the calibration device moves, determining an upper limit image frame and a lower limit image frame from a video image of the calibration device, and determining a second pixel number corresponding to the movement distance of the calibration device according to the upper limit image frame and the lower limit image frame; and determining the moving distance of the calibration device according to the actual distance corresponding to the pixels in the video image of the calibration device and the second pixel number.
According to some embodiments of the disclosure, the method for detecting a cpr operation further comprises notifying the calibration device to turn on or adjust the brightness of the first light source if the image of the marker component cannot be identified from the image of the calibration device.
According to some embodiments of the disclosure, the cardiopulmonary resuscitation operation detection method further comprises receiving the pressing force value measured by the calibration device, and sending the detected movement distance of the calibration device and the pressing force value to a server.
According to some embodiments of the present disclosure, the cardiopulmonary resuscitation operation detection method further includes receiving guidance voice information and/or image information sent by the server, outputting voice and/or displaying an image.
According to some embodiments of the disclosure, the cardiopulmonary resuscitation operation detection method further comprises determining a compression frequency from the video image of the calibration device.
The cardiopulmonary resuscitation operation detection system and the cardiopulmonary resuscitation operation detection method have the advantages that when cardiopulmonary resuscitation is performed, a calibration device is worn by rescuers, a marking component is arranged on the calibration device, a detection terminal shoots an image of the calibration device, the moving distance of the calibration device is determined according to the size of the marking component and the image of the calibration device, and the moving distance of the calibration device is the pressing depth; through the cooperation of calibration device and detection terminal, reduce the detection error of pressing the degree of depth, improve cardiopulmonary resuscitation operation detection's accuracy.
Drawings
FIG. 1 is a schematic diagram of a cardiopulmonary resuscitation operation detection system according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a calibration apparatus according to an embodiment of the disclosure;
FIG. 3 is a schematic illustration of diffuse transmission stripes, reflective stripes, and fluorescent stripes in accordance with embodiments of the present disclosure;
FIG. 4 is another schematic view of a calibration apparatus according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of an orientation calibration component of an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a detection terminal according to an embodiment of the disclosure;
FIG. 7 is a schematic diagram of a processing module of an embodiment of the disclosure;
FIG. 8 is a schematic view of a square marker component of an embodiment of the present disclosure;
FIG. 9 is a schematic view of the up and down movement of a marking member according to an embodiment of the present disclosure;
FIG. 10 is a diagram illustrating a folded state of a detection terminal support according to an embodiment of the present disclosure;
FIG. 11 is a schematic diagram illustrating a process of deploying a detection terminal cradle according to an embodiment of the present disclosure;
FIG. 12 is a diagram illustrating an expanded state of a detection terminal bracket according to an embodiment of the disclosure;
FIG. 13 is a flow chart of a method of detecting a cardiopulmonary resuscitation operation according to an embodiment of the present disclosure;
FIG. 14 is a flowchart illustrating a processing module determining a moving distance of a calibration device according to an embodiment of the disclosure.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments can be modified in various different ways, without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "straight", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.
Throughout the description of the present disclosure, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or otherwise in communication with one another; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the disclosure. To simplify the disclosure of the present disclosure, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present disclosure. Moreover, the present disclosure may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.
The preferred embodiments of the present disclosure will be described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustrating and explaining the present disclosure and are not intended to limit the present disclosure.
As shown in fig. 1, an embodiment of the present disclosure provides a cardiopulmonary resuscitation operation detection system. The cardiopulmonary resuscitation operation detection system may detect parameters during a cardiopulmonary resuscitation operation. The cardiopulmonary resuscitation operation detection system comprises a calibration device 100 and a detection terminal 200.
As shown in fig. 2, the calibration apparatus 100 for detecting a cardiopulmonary resuscitation operation includes a fixing member 101 and a marking member 102. The fixing member 101 is used to fix the calibration device 100 to the wrist of the rescuer during cardiopulmonary resuscitation. The marking part 102 is disposed on the fixing part 101 and is formed as a pattern having predetermined dimensional parameters as an optical beacon for easy recognition in a video image of the calibration device 100. The marking member 102 includes a self-luminous structure and/or a light reflecting structure.
The pattern formed by the marking member 102 and the size of the pattern are stored in the inspection terminal in advance, which facilitates subsequent processing by the inspection terminal. In this embodiment, the pattern formed by the marking member 102 is a circle, the diameter of the circle is determined, and the diameter of the circle is stored in the detection terminal in advance. Alternatively, the pattern of the marking member 102 may be a rectangle or a square, and the side lengths of the rectangle or the square are stored in the detection terminal in advance. The pattern of the marking member 102 may have other specific shapes and may have a predetermined size.
As shown in fig. 3 and 4, the marker part 102 includes a diffuse transmission bar 102a and a first light source 103. The diffuse transmission stripes 102a can make the transmitted light form diffused light, and the brightness of the light is not too high. A first light source 103 is arranged in the calibration device fixing part 101. Optionally, the first light source 103 is an LED lamp. The light emitted from the LED lamp passes through the diffuse transmission bar 102a and then emits diffused light, so that the brightness of the marking member 102 is greater than that of the surrounding environment, which facilitates the identification of the marking member 102 in the video image of the calibration apparatus 100. The diffused light is not so bright that accurate focusing is ensured when the calibration device 100 is photographed.
According to an optional technical scheme of the present disclosure, the number of the marking parts 102 is multiple, and the marking parts are sequentially arranged on the fixing part 101, so that the spatial posture of the calibration device 100 can be conveniently recognized. The plurality of marker members 102 may also be provided in different colors to improve the accuracy of spatial gesture recognition.
According to an optional technical scheme of the present disclosure, the brightness of the first light source 103 is adjustable. The calibration device 100 further includes a brightness sensor 104 disposed on the calibration device fixing part 101, and the brightness sensor 104 is used for detecting the ambient brightness. The microprocessor 105 of the calibration device controls the brightness of the first light source 103 or controls the on/off of the first light source 103 according to the ambient brightness detected by the brightness sensor 104. For example, when the ambient brightness is lower than a preset threshold, the first light source 103 is turned on, and when the ambient brightness is higher than the preset threshold, the first light source 103 is turned off.
According to an optional aspect of the present disclosure, the marking member 102 further includes a reflective strip 102b, and/or a fluorescent strip 102c. The light-reflecting strips 102b and/or the fluorescent strips 102c form the pattern on the fixing part of the calibration arrangement. When the power of the calibration device 100 is insufficient and the first light source 103 cannot be turned on, the light-reflecting bar 102b and/or the fluorescent bar 102c can be used as optical beacons.
As shown in fig. 5, according to an alternative embodiment of the present disclosure, the calibration apparatus 100 further includes an orientation mark member 110 disposed on the fixing member 101. If the pattern of the marking member 102 is a polygon, the orientation marking member 110 is used to distinguish the direction of the pattern. For example, the pattern of the marking member 102 is a rectangle, and long sides or short sides are arranged as double strips so as to distinguish the long sides from the short sides for easy identification.
According to an optional technical solution of the present disclosure, the calibration apparatus 100 further includes a three-axis acceleration sensor 106. The triaxial acceleration sensor 106 is disposed in the calibration device fixing member 101, and can measure the magnitude of the pressing force during cardiopulmonary resuscitation. If the measured pressing force is too large, the calibration device 100 can give a prompt to the rescue worker, so that secondary injuries such as fracture and the like are avoided. Whether the cardiopulmonary resuscitation process is performed or not can be confirmed through the three-axis acceleration sensor 106, and the duration time of the cardiopulmonary resuscitation is recorded.
According to an optional technical solution of the present disclosure, the calibration apparatus 100 further includes a bluetooth module 107. The bluetooth module 107 is used for performing bluetooth connection with the detection terminal to perform data interaction. The calibration apparatus 100 further comprises a speech output module 108 and/or a vibration module 109. When the rescue personnel need to be prompted, the voice output module 108 can output prompting voice, and the vibration module 109 can generate vibration to prompt the rescue personnel.
The calibration apparatus 100 may further be provided with operation buttons, such as up, down, left, right keys, a confirmation key, a cancel key, and the like, for selecting, confirming, and/or canceling preset functions or operations in the calibration apparatus 100.
The calibration device 100 may be a bracelet, which is worn on the wrist of the rescuer during cardiopulmonary resuscitation. The calibration device 100 may also be a watch or an armguard or other device that can be fixed relative to the arm. Preferably, the calibration device 100 is used to be worn on the wrist, because in this case the error between the moving distance of the bracelet and the moving distance of the palm is minimal.
As shown in fig. 6, the detection terminal 200 includes a camera module 201 and a processing module 202. The camera module 201 may be a camera, and is configured to capture the calibration device 100 and obtain a real-time video image of the calibration device 100. The camera is preferably a high-definition camera, and the definition of scene shooting can be ensured. When the calibration device 100 is shot by using the detection terminal 200, the detection terminal 200 can be fixed first, so that unnecessary movement of the detection terminal 200 in the shooting process is avoided. Typically, the normal to the marker component 102 is substantially aligned with the test terminal 200. The processing module 202 determines the distance the calibration apparatus 100 has moved based on the size of the marker component 102 and the video image of the calibration apparatus. The moving distance of the calibration device 100 is the compression depth during cardiopulmonary resuscitation, and the compression depth is measured through the cooperation of the calibration device 100 and the detection terminal 200.
As shown in fig. 7, specifically, the size of the marking member 102 is a certain value, and the image pickup module 201 picks up an image of the calibration apparatus 100. The detection terminal 200 is pre-stored with a dimension parameter of the mark member 102 to be formed into a pattern. When the calibration apparatus 100 is not moved, the first sub-module 202a of the processing module 202 identifies the image of the marker feature 102 from the video image of the calibration apparatus and determines a first number of pixels corresponding to the size of the marker feature 102. And determining the actual distance corresponding to the pixel in the video image of the calibration device according to the first pixel number corresponding to the size of the marking part 102 and the size of the marking part 102.
As shown in fig. 8, the shape of the pattern of the marker member 102 is a square, for example. The marking member 102 has a side length L of 2cm. The first sub-module 202a of the processing module 202 determines that the first pixel number corresponding to the side of the square in the video image of the calibration apparatus is 100, and then the actual distance corresponding to the pixel in the video image of the calibration apparatus is 0.02cm.
When the rescuer presses and the calibration device 100 moves, the second sub-module 202b of the processing module 202 determines the upper limit image frame and the lower limit image frame from the video image of the calibration device. And determining a second pixel number corresponding to the movement distance of the calibration device according to the upper limit image frame and the lower limit image frame.
As shown in fig. 9, when the calibration apparatus 100 moves, the second sub-module 202b of the processing module 202 can identify the upper limit image frame and the lower limit image frame of one pressing operation from the image frames of the video image of the calibration apparatus. The number of pixels between the upper limit bits and the lower limit bits of the marking part 102 in the upper limit image frame and the lower limit image frame is used as the second number of pixels corresponding to the moving distance of the calibration apparatus 100.
When the first pressing is carried out, taking an image frame in an image when the calibration device 100 is not moved as an upper limit image frame of the first pressing; with the downward movement of the calibration apparatus 100, the pixels corresponding to the marker component 102 in the video image are continuously moved downward; when the second sub-module 202b of the processing module 202 recognizes that the pixel corresponding to the marking part 102 does not move down any more, an image frame at this time is taken as a lower limit image frame of the first pressing. With the upward movement of the calibration apparatus 100, when the second sub-module of the processing module 202 recognizes that the pixel corresponding to the marking component 102 does not move upward any more, taking a current image frame as an upper limit image frame of the second pressing; then, the calibration apparatus 100 moves downwards, and when the second sub-module 202b of the processing module 202 recognizes that the pixel corresponding to the marking component 102 does not move downwards any more, the image frame at this time is used as the lower limit image frame of the second pressing. By so cycling, the second sub-module 202b of the processing module 202 may identify the corresponding upper limit image frame and lower limit image frame for each press. And determining a second pixel number corresponding to the moving distance of the calibration device 100 during each pressing through the upper limit image frame and the lower limit image frame.
The third sub-module 202c of the processing module 202 determines the moving distance of the calibration apparatus according to the actual distance corresponding to the pixel in the video image of the calibration apparatus and the second pixel number.
For example, in one pressing, the processing module 202 determines that the second pixel number corresponding to the moving distance S of the calibration apparatus 100 is 200, the actual distance corresponding to the pixel in the video image of the calibration apparatus is 0.02cm, and the moving distance S of the calibration apparatus is calculated to be 4cm. 4cm was used as the compression depth.
In an actual scene, the normal of the mark member 102 on the calibration device may not point to the detection terminal 200, i.e. the detection terminal 200 shoots the calibration device from an oblique direction. At this time, the processing module 202 may determine from which direction the detection terminal 200 captures the calibration apparatus 100 according to the image deformation amount of the marking member; according to the cosine relationship transformation of the corresponding angle, the processing module 202 determines the actual distance corresponding to the pixel in the video image of the calibration apparatus. The design mainly relates to that when a person wears the calibration device 100 for treatment, the plane of the marking part 102 of the calibration device is not necessarily perpendicular to the direction of the connection line between the calibration device 100 and the detection terminal 200. When the mark member is not vertical, the mark member 102 detected by the detection terminal 200 is distorted. For example, when the marking part is originally circular, the detected marking part appears elliptical when the plane of the marking part of the calibration device is not perpendicular to the direction of the connection line between the calibration device and the detection terminal. At this time, although the detection terminal knows the size of the marker member, for example, the diameter of the circle is 2cm, the major axis of the ellipse in the detected image thereof is 2cm, and the minor axis thereof is less than 2cm. At this time, the detection terminal recognizes the actual size of the marking member from the actually photographed figure, for example, the major axis of the ellipse represents the diameter of the circle. It is also relatively simple in the case where a circle becomes an ellipse, while distortion becomes complicated in the case where, for example, a rectangle, a polygon, or the like is used. For example, a rectangle includes long and short sides, and if not vertical, a parallelogram may be captured. At this time, an included angle between a plane where the rectangle is located and a connection line (between the calibration device and the detection terminal) needs to be determined according to an included angle between two adjacent sides of the parallelogram, and then the length of a real object represented by each side of the captured parallelogram is calculated according to cosine relation conversion, and further the actual distance represented by each pixel in the pressing direction is calculated.
According to an optional technical solution of the present disclosure, the detection terminal 200 includes a communication module 203. The cardiopulmonary resuscitation operation detection system further comprises a server 300, and the server 300 is a command center. The test terminal 200 can be connected to the server 300 through the communication module 203 for data exchange.
According to an optional technical solution of the present disclosure, the detection terminal 200 further includes a positioning module 204, such as a GPS module, for positioning the position of the detection terminal 200. Optionally, the detection terminal 200 further includes a bluetooth module 205 for bluetooth connection with the calibration apparatus 100. Optionally, the detection terminal 200 further comprises a voice input module 206 for inputting voice. Optionally, the detection terminal 200 further comprises a voice output module 207 for outputting voice. Optionally, the detection terminal 200 further comprises a display module 208 for displaying image information.
After the detection terminal 200 is bluetooth connected to the calibration device 100, the calibration device 100 and the detection terminal 200 may perform data interaction, for example, each parameter detected by the calibration device 100 may be sent to the detection terminal 200. The test terminal 200 can send various parameters to the server 300, including the location of the test terminal 200, the detected depth of the press, etc. The related personnel of the command center can guide the rescue work according to the data received by the server 300, such as guiding the rescue personnel to carry out the cardio-pulmonary resuscitation operation. The voice input module 206, the voice output module 207 and the display module 208 of the detection terminal 200 facilitate voice and video communication between rescue workers and a command center. Through the detection terminal 200, the command center can also guide other first-aid such as airway opening process, artificial respiration and the like.
The detection terminal 200 may be a mobile phone, an iPad, or other intelligent device. Taking a mobile phone as an example, a front camera is preferably used as the camera module 201, so that the rescuer can conveniently check whether to better place the pressing part and the range of the pressing action in the shooting area. An acceleration sensor may be provided in the test terminal 200 in order to ensure that the test terminal 200 is held in the most upright position possible.
As shown in fig. 10 to 12, the test terminal bracket 400 includes a housing 410, a groove 411 for fixing the test terminal 200 is formed on the housing 410, and the test terminal 200 is placed in the groove 411 of the housing 410 during use, so that the test terminal 200 is fixed, and unnecessary movement of the test terminal 200 during the treatment process is avoided.
According to an optional technical solution of the present disclosure, the top of the detection terminal bracket 400 is provided with a light guide plate 420 for illuminating the illumination light of the detection terminal 200 according to a designated direction. The sensing terminal 200 is provided with a second light source 209 capable of irradiating the light guide plate 420. Taking a mobile phone as an example, a rear camera of the mobile phone can be used as the second light source 209. The light from the second light source 209 is reflected by the light guide plate 420 and then emitted as diffused light. The light emitted from the light guide plate 420 may improve the brightness of the marking member 102. The light guide plate 420 may be coupled to the case 410 by a rotation shaft, and may be rotated to a rear side of the case 410 when the light guide plate 420 is not used.
According to an optional technical solution of the present disclosure, the detection terminal bracket 400 further includes a single lead ecg module 430. The single lead ecg module 430 is used to monitor the heartbeat. If the person needing to be rescued is found, the rescuer can measure the heartbeat of the rescued person through the single lead electrocardiograph module 430 to determine whether cardiopulmonary resuscitation is needed. The test terminal support 400 is used to supply power to the various components of the test terminal support 400.
Optionally, the test terminal holder 400 includes a data line 450 for connecting the test terminal 200. Through the data line 450, data interaction between the detection terminal 200 and the detection terminal bracket 400 is realized. The data line can be a data line of an interface used by type-c, micro-usb or iphone, and the like.
According to an alternative aspect of the present disclosure, the test terminal stand 400 includes foldable legs 440. When the leg 440 is not in use, the leg 440 is stowed and folded against the rear side of the housing 410. When the legs 440 are to be used, the legs 440 are unfolded and the legs 440 cooperate to form a stable support. If the detection terminal 200 is a mobile phone, when the supporting legs 440 are folded, the detection terminal support 400 can be used as a mobile phone shell.
The leg 440 includes a first folding panel 441 and a plurality of second folding panels 442. The number of the first folding plates 441 may be one or more. The shaft of the leg 440 is provided with a damping member, i.e. a damping shaft.
When the number of the first folding plate 441 is one, one end of the first folding plate 441 is connected to the bottom end of the case 410 through a first damping shaft. The plurality of second folding plates 442 are connected to the first folding plate 441 through a second damping shaft. By the engagement of the stop structures, the first folding plate 441 and the second folding plate 442 can be unfolded at a predetermined angle to form a stable supporting structure.
When the number of the first folding plates 441 is plural, the plural first folding plates 441 are foldably connected through the first damping shaft in sequence. The uppermost first folding plate 441 is connected to the bottom end of the case 410 through a first damping shaft. The plurality of second folding plates 442 are connected to the lowermost first folding plate 441 through a second damping shaft. By the cooperation of the stopping structures, the first folding plate 441 and the second folding plate 442 can be unfolded at a predetermined angle, so as to form a stable supporting structure. The first damping shaft and the second damping shaft in the present embodiment may be of an existing type. The legs 440 may also be otherwise foldable.
According to an optional technical scheme of the present disclosure, the rescue personnel can monitor the heartbeat and the breathing condition of the rescued personnel in real time through the blood oxygen detector. The blood oxygen detector may be a bluetooth blood oxygen detector, and is connected with the detection terminal 200 or the detection terminal holder 400 by means of bluetooth connection.
As shown in fig. 13, an embodiment of the present disclosure provides a cardiopulmonary resuscitation operation detection method, including:
s11, shooting the calibration device to obtain a video image of the calibration device. Specifically, a camera module of the detection terminal is started to shoot the calibration device, and a video image of the calibration device is obtained.
And S12, determining the moving distance of the calibration device according to the size of the marking part on the calibration device and the video image of the calibration device. Specifically, a processing module of the detection terminal is called to determine the moving distance of the calibration device according to the size of the marking component on the calibration device and the video image of the calibration device. And taking the detected movement distance of the calibration device as the compression depth of the cardiopulmonary resuscitation.
And S13, judging whether the moving distance of the calibration device is within a preset range.
And S14, sending out prompt information in response to the fact that the moving distance of the calibration device is out of the preset range. For example, if the processing module of the detection terminal determines that the moving distance of the calibration device is out of the preset range, the processing module sends out a prompt message, and after receiving the prompt message, the calibration device sends out a prompt.
As shown in fig. 14, the step S12 includes:
and S21, when the calibration device is not moved, calling the processing module to determine a first pixel number corresponding to the size of the marking part in the video image of the calibration device, and determining an actual distance corresponding to the pixel in the video image of the calibration device according to the size of the marking part and the first pixel number.
Specifically, the size of the marking member is a certain value, and the calibration device is photographed. When the calibration device is not moved, the processing module identifies an image of the marking part from a video image of the calibration device and determines a first pixel number corresponding to the size of the marking part. And determining the actual distance corresponding to the pixel in the video image of the calibration device according to the size of the marking part and the first pixel number corresponding to the size of the marking part.
S22, when the calibration device moves, the calling processing module determines an upper limit image frame and a lower limit image frame of each pressing from the video image of the calibration device; and determining a second pixel number corresponding to the movement distance of the calibration device during each pressing according to the upper limit image frame and the lower limit image frame.
When the rescue personnel presses and the calibration device moves, the processing module can identify the upper limit image frame and the lower limit image frame of one-time pressing operation from all the image frames of the video image of the calibration device. And the pixel number between the upper limit position and the lower limit position of the marking part in the upper limit image frame and the lower limit image frame is used as a second pixel number corresponding to the movement distance of the calibration device.
And S23, calling the processing module to determine the moving distance of the calibration device according to the actual distance corresponding to the pixels in the video image of the calibration device and the second pixel number.
According to an optional technical scheme of the disclosure, the cardiopulmonary resuscitation operation detection method further comprises: and the wireless connection calibration device informs the calibration device to start the first light source or adjust the brightness of the first light source under the condition that the image of the marking component cannot be identified in the image of the calibration device.
According to an optional technical scheme of the disclosure, when the calibration device cannot be identified, if the calibration device is shielded, the detection terminal considers that the target is lost and sends an alarm. The alarm can be in a voice form, a vibration form, or screen flashing of the detection terminal and the like.
According to an optional technical scheme of the present disclosure, the cardiopulmonary resuscitation operation detection method further comprises: and receiving the pressing force value measured by the calibration device, and sending the detected treatment information such as the moving distance of the calibration device, the pressing force value, the positioning position and the like to a server.
According to an optional technical scheme of the disclosure, the cardiopulmonary resuscitation operation detection method further comprises the steps of receiving guiding voice information and/or image information sent by the server by the detection terminal, and outputting voice and/or displaying images. Through the interaction between the detection terminal and the server, the communication between rescue workers and the command center is realized, and the rescue accuracy is improved.
According to an optional technical scheme of the present disclosure, the cardiopulmonary resuscitation operation detection method further comprises: the processing module determines the pressing frequency according to the video image of the calibration device. The pressing frequency is determined through the video images of the calibration devices, so that different rescue workers can be supported to wear different calibration devices for relay rescue, and the situation that the different calibration devices are connected with the detection terminal through Bluetooth to affect the rescue process is avoided. For example, the detection terminal automatically detects a bracelet with a predetermined pressing action within a field of view (i.e., a range of angles of view that can be photographed), without requiring a cumbersome pairing process of the bracelet and the detection terminal. If a plurality of bracelets are detected simultaneously, the movement of the bracelet closest to the prescribed pressing frequency is preferentially detected. If a plurality of bracelets are detected to be reciprocating at a pressing frequency close to the regulation, the pressing action parameters of the bracelets are recorded at the same time, and a prompt alarm is sent out at the same time until only one bracelet is operated at a frequency close to the regulation pressing frequency in the visual field. By means of the setting, a plurality of rescuers can be allowed to relay without interrupting the recording process of the detection terminal midway, and therefore the rescue process is smoother.
Embodiments of the present disclosure provide an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the cardiopulmonary resuscitation operation detection method as described above when executing the program.
Embodiments of the present disclosure provide a computer-readable storage medium having stored thereon a processor program, wherein the processor program is configured to execute the above cardiopulmonary resuscitation operation detection method.
In the treatment process, the detection terminal can also give out warnings to surrounding people, for example, the second light source continuously flickers to give out flickering light to prompt the surrounding people of emergency, and the interference of the surrounding people on the treatment process is avoided. If the detection terminal is a mobile phone, the mobile phone can not be connected with other phones except the phone of the command center after starting recording the pressing condition, so that the interference is avoided.
The relevant control of the detection terminal can be realized through APP. Install first aid APP on detection terminal, the personnel of suing and labouring realize cardiopulmonary resuscitation operation through the corresponding module of first aid APP control detection terminal and detect.
The cardiopulmonary resuscitation operation detection system of the present embodiment is used in the following procedures:
1. people needing to be treated are found;
2. unfolding a supporting leg of the detection terminal support, connecting the detection terminal support and the detection terminal through a data line, and starting an emergency APP;
3. confirming that cardiopulmonary resuscitation is needed to press for first aid through a single lead electrocardiogram module or other equipment;
4. waiting the calibration device on the arm of a rescuer, adjusting the placement position of the detection terminal, and starting pressing for first aid;
5. and monitoring the pressing process through the detection terminal, judging whether relevant parameters such as pressing depth, pressing frequency and the like meet requirements, and outputting a prompt if the relevant parameters do not meet the requirements.
6. And uploading various parameters of the cardio-pulmonary resuscitation operation to the server in real time, and also uploading related parameters to the server after the treatment is finished. And if necessary, the detection terminal receives the guidance of the command center.
According to the cardio-pulmonary resuscitation operation detection method and system, the detection error of the pressing depth is reduced to be smaller than +/-0.3 mm through the matching of the calibration device, the detection terminal, the server, the detection terminal bracket and the like, and the requirement of cardio-pulmonary resuscitation is met. Meanwhile, the size, the pressing frequency, the pressing duration and the like of the pressing force can be detected, and comprehensive cardio-pulmonary resuscitation parameter detection is realized.
The above description is meant to be illustrative of the preferred embodiments of the present disclosure and not to be taken as limiting the disclosure, as the invention is intended to cover any and all modifications, equivalents, improvements, etc. that fall within the spirit and scope of the present disclosure.
Finally, it should be noted that: although the present disclosure has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (24)
1. A cardio-pulmonary resuscitation operation detection system is characterized by comprising a calibration device, a detection terminal and a detection terminal bracket;
the calibration device comprises:
a fixing member for fixing the calibration device to a wrist of a rescuer;
a marking member disposed on the fixing member and formed as a pattern having a predetermined size parameter, the marking member including a self-luminous structure and/or a light reflecting structure;
the detection terminal comprises:
the camera module is used for shooting the calibration device to obtain a video image of the calibration device;
the processing module is used for determining the movement distance of the calibration device according to the size of the marking part and the video image of the calibration device; the processing module determines the pressing frequency according to the video images of the calibration devices, if the calibration devices are detected to reciprocate at a frequency close to the specified pressing frequency, the processing module records the pressing action parameters of the calibration devices at the same time and sends out prompt alarms at the same time until only one calibration device in the field of view operates at the frequency close to the specified pressing frequency;
the detection terminal support supports detection terminal, so that detection terminal keeps gesture and position, the detection terminal support includes folding landing leg, the landing leg includes first folded sheet and a plurality of second folded sheet, and is a plurality of the second folded sheet links to each other with the first folded sheet of lower extreme, first folded sheet and second folded sheet can expand at predetermined angle.
2. The cardiopulmonary resuscitation operation detection system of claim 1, wherein the marking member comprises a diffuse transmission strip forming the graphic on the fixing member and a first light source disposed in the fixing member.
3. The CPR operation detection system of claim 2, wherein the brightness of the first light source is adjustable, and the calibration device further comprises a brightness sensor disposed on the fixing member for detecting the brightness of the environment.
4. The cardiopulmonary resuscitation operation detection system of claim 1, wherein the marking means comprises a light-reflective strip, and/or a fluorescent strip, the light-reflective strip and/or the fluorescent strip forming the pattern on the fixation means.
5. The cardiopulmonary resuscitation operation detection system of claim 1, wherein the calibration means further comprises an orientation marking means disposed on the fixing means, the orientation marking means being adapted to distinguish a direction of a graphic of the marking means.
6. The cardiopulmonary resuscitation operation detection system of claim 1, wherein the calibration means further comprises a three-axis acceleration sensor for measuring compression force.
7. The cardiopulmonary resuscitation operation detection system of claim 1, wherein the calibration means further comprises
The Bluetooth module is used for connecting the detection terminal by Bluetooth; and/or
The voice output module is used for outputting voice; and/or
And the vibration module is used for generating vibration.
8. The CPR operation detection system of claim 1, further comprising a server, wherein the detection terminal is connected to the server via a communication module.
9. The cardiopulmonary resuscitation operation detection system of claim 1, wherein the top of the detection terminal bracket is provided with a light guide plate for illuminating the detection terminal with illumination light in a designated direction.
10. The cardiopulmonary resuscitation operation detection system of claim 1, wherein the detection terminal rack comprises a power source and a single lead heart module, the single lead heart module is configured to monitor heart beats.
11. The cardiopulmonary resuscitation operation detection system of claim 10, wherein the detection terminal bracket includes a data line for connecting the detection terminal.
12. The cardiopulmonary resuscitation operation detection system of claim 1, wherein the leg shaft is provided with a damping member.
13. A calibration device for detecting a cardiopulmonary resuscitation operation, comprising:
a fixing member for fixing the calibration device to a wrist of a rescuer;
a marking member disposed on the fixing member and formed as a pattern having a predetermined size parameter, the marking member including a self-luminous structure and/or a light reflecting structure;
a triaxial acceleration sensor for measuring a pressing force;
the calibration devices can be shot by a detection terminal, a processing module of the detection terminal determines the pressing frequency according to video images of the calibration devices, if a plurality of calibration devices are detected to reciprocate at a frequency close to the specified pressing frequency, pressing action parameters of the calibration devices are recorded at the same time, and a prompt alarm is given at the same time until only one calibration device in a field of view operates at a frequency close to the specified pressing frequency.
14. The calibrating apparatus for detecting cardiopulmonary resuscitation operation according to claim 13, wherein the marking member comprises a diffuse transmission strip and a first light source, the diffuse transmission strip forms the pattern on the fixing member, and the first light source is disposed in the fixing member.
15. The calibrating apparatus for detecting cardiopulmonary resuscitation operation according to claim 14, wherein a brightness of the first light source is adjustable, and the calibrating apparatus further comprises a brightness sensor disposed on the fixing member, the brightness sensor being used for detecting an ambient brightness.
16. The calibrating device for detecting the cardiopulmonary resuscitation operation according to claim 13, further comprising an orientation mark member disposed on the fixing member, the orientation mark member being used for distinguishing a graphic direction of the mark member.
17. A detection terminal, comprising:
the camera module is used for shooting the calibration device to obtain a video image of the calibration device;
the processing module is used for determining the moving distance of the calibration device according to the size of the marking part on the calibration device and the video image of the calibration device; the processing module determines the pressing frequency according to the video images of the calibration devices, if the calibration devices are detected to reciprocate at a frequency close to the specified pressing frequency, the processing module records the pressing action parameters of the calibration devices at the same time and sends out prompt alarms at the same time until only one calibration device in the field of view operates at the frequency close to the specified pressing frequency;
the detection terminal passes through the detection terminal support and supports so that detection terminal keeps gesture and position, the detection terminal support includes folding landing leg, the landing leg includes first folded sheet and a plurality of second folded sheet, and is a plurality of the second folded sheet links to each other with the first folded sheet of lower extreme, first folded sheet and second folded sheet can expand at predetermined angle.
18. The detection terminal of claim 17, wherein the processing module comprises:
the calibration device comprises a first sub-module and a second sub-module, wherein when the calibration device is not moved, the first sub-module determines an actual distance corresponding to a pixel in a video image of the calibration device according to the size of a marking part and a first pixel number corresponding to the size of the marking part in the video image of the calibration device;
the second sub-module determines an upper limit image frame and a lower limit image frame from a video image of the calibration device when the calibration device moves, and determines a second pixel number corresponding to the movement distance of the calibration device according to the upper limit image frame and the lower limit image frame;
and the third sub-module determines the moving distance of the calibration device according to the actual distance corresponding to the pixels in the video image of the calibration device and the second pixel number.
19. The detection terminal of claim 17, wherein the detection terminal further comprises:
the communication module is used for connecting a server; and/or
The positioning module is used for positioning the position of the detection terminal; and/or
The Bluetooth module is used for connecting the calibration device through Bluetooth; and/or
The voice input module is used for inputting voice; and/or
The voice output module is used for outputting voice; and/or
And the display module is used for displaying the image information.
20. A computer-readable storage medium having stored thereon a processor program, wherein the computer program is stored on a computer-readable storage medium
The processor program is for performing a cardiopulmonary resuscitation operation detection method comprising:
shooting a calibration device to obtain a video image of the calibration device;
determining the moving distance of the calibration device according to the size of the marking part on the calibration device and the video image of the calibration device;
judging whether the moving distance of the calibration device is within a preset range or not;
responding to the fact that the movement distance of the calibration device is out of the preset range, and sending out prompt information; the supporting leg of the detection terminal support is unfolded, and comprises a first folding plate and a plurality of second folding plates, the second folding plates are connected with the first folding plate at the lowest end, and the first folding plate and the second folding plates can be unfolded at a preset angle;
and determining the pressing frequency according to the video images of the calibration devices, if detecting that the calibration devices reciprocate at a frequency close to the specified pressing frequency, simultaneously recording the pressing action parameters of the calibration devices, and simultaneously giving out a prompt alarm until only one calibration device in the field of view operates at the frequency close to the specified pressing frequency.
21. The computer-readable storage medium of claim 20, wherein determining a calibration device movement distance based on the size of the marker feature on the calibration device and the video image of the calibration device comprises:
when the calibration device is not moved, determining an actual distance corresponding to a pixel in a video image of the calibration device according to the size of a marking part and a first pixel number corresponding to the size of the marking part in the video image of the calibration device;
when the calibration device moves, determining an upper limit image frame and a lower limit image frame from a video image of the calibration device, and determining a second pixel number corresponding to the movement distance of the calibration device according to the upper limit image frame and the lower limit image frame;
and determining the moving distance of the calibration device according to the actual distance corresponding to the pixels in the video image of the calibration device and the second pixel number.
22. The computer-readable storage medium of claim 20, further comprising notifying the calibration device to turn on or adjust the brightness of the first light source if the image of the marker component cannot be identified from the image of the calibration device.
23. The computer-readable storage medium according to claim 20, further comprising receiving the pressing force value measured by the calibration device, and sending the detected movement distance of the calibration device and the pressing force value to a server.
24. The computer-readable storage medium according to claim 23, further comprising receiving guide voice information and/or image information transmitted from the server, outputting voice and/or displaying an image.
Applications Claiming Priority (1)
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| PCT/CN2020/073887 WO2021147022A1 (en) | 2020-01-22 | 2020-01-22 | Cardiopulmonary resuscitation operation measurement system, calibration apparatus, measurement terminal, and measurement method |
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| CN113570746B (en) * | 2021-07-14 | 2023-05-12 | 河南金芯数联电子科技有限公司 | CPR feedback pad calibration system |
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| TWI735177B (en) | 2021-08-01 |
| WO2021147022A1 (en) | 2021-07-29 |
| TW202128111A (en) | 2021-08-01 |
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