46 results about "Drowning prevention" patented technology

The invention discloses an anti-drowning early warning system of a self-adaptive dynamic virtual electronic fence, and aims to solve the problems that an existing anti-drowning early warning system cannot adapt to water level changes and early warning lags behind. The virtual electronic fence setting module is used for setting static and dynamic virtual electronic fences, identifying and analyzing personnel behaviors and controlling alarms; the data acquisition module is used for acquiring environment data information and video monitoring information; and the data storage module is used for storing data, alarm information, virtual electronic fence setting information and water level change information of the virtual electronic fence according to the water level change adjustment range. The system is based on real-time detection of a YOLOv8 model and is combined with a virtual electronic fence technology, has the characteristics of high-precision identification, low-delay response, field environment adaptability and the like, can effectively reduce the occurrence rate of drowning accidents, and is a set of intelligent, efficient and convenient-to-maintain system.

The invention relates to the technical field of drowning prevention early warning, in particular to a binocular AI infrared safety early warning system for drowning prevention of a swimming pool. The swimming posture information of each swimmer is obtained by performing state analysis on the image data, the infrared data and the radar data of the swimmer, and the drowning early warning information is obtained by analyzing the swimming posture information of each swimmer, so that early warning is effectively performed on the drowner, and the fatigue of a lifeguard is reduced; in addition, early warning scheme analysis is carried out on the drowning early warning information to obtain early warning scheme information, rescue execution is carried out according to the early warning scheme information, directional early warning information of a rescue route corresponding to a warning area of a drowning person and a lifeguard in the shortest distance is used as the corresponding early warning scheme information, directional early warning is carried out on the drowning person, and the rescue efficiency is improved. The number of informed people is reduced, the phenomenon that people are prone to consensus psychology under the panic emotion is avoided, and safety is improved.

The invention discloses a drowning prevention early warning method and system for swimmers in an indoor swimming pool environment and a storage device, and relates to the technical field of drowning detection. Comprising the following steps: constructing an anti-drowning early warning data set, and marking video frames of the anti-drowning early warning data set; inputting the marked drowning prevention early warning data set into a trained target detection tracking model based on YOLOv8 and ByteTrack, detecting and tracking the tracking targets, and obtaining and storing the tracking frame information, category, confidence and unique tracking ID of each tracking target from a tracking result; according to the tracking frame information, establishing a dynamic cache management mechanism and storing a screenshot of each tracking target; acquiring a specified number of screenshots of each tracking target according to a time sequence, inputting the screenshots into an anti-drowning early warning model, performing behavior prediction by adopting a PPTSMv2 model, and updating a predicted behavior category into tracking frame information of the corresponding tracking target; different operation procedures are carried out according to the predicted behavior types, and anti-drowning early warning is achieved. According to the scheme, through the multi-camera cooperation and intelligent analysis technology, in combination with deep learning target detection, time sequence behavior modeling and dynamic cache management, all-directional coverage and real-time accurate early warning are achieved, the accuracy and response efficiency of drowning risk identification are remarkably improved, and an efficient and reliable intelligent solution is provided for swimming pool safety management.

The invention relates to the technical field of anti-drowning early warning, in particular to an anti-drowning early warning method for lakes and reservoirs, which identifies and analyzes human body behaviors in a lake and reservoir area in real time through video monitoring and deep learning technologies, provides accurate drowning early warning and danger level judgment, enhances safety protection measures, reduces the occurrence rate of drowning accidents, and improves the early warning effect of the lakes and reservoirs. And public safety is guaranteed.

The invention discloses an alarm pushing method and device for AI identification drowning prevention and a medium, and relates to the technical field of image identification. The method comprises the following steps: identifying and analyzing a real-time video stream based on a preset anti-drowning alarm pushing model to detect whether an anti-drowning event exists; when it is detected that the anti-drowning event exists, continuously generating an alarm message of which an alarm corresponds to a preset number of coherent video frames, and determining an alarm type corresponding to the alarm message; in the process of continuously generating the alarm messages, continuously judging whether adjacent alarm messages meet message merging logic or not; wherein the message merging logic is that the time interval of the adjacent alarm messages is not greater than a preset merging time threshold and the alarm types of the adjacent alarm messages are the same; and in the process of continuously generating the alarm messages, if the alarm messages meeting the message merging logic reach the merging upper limit number, merging the alarm messages with the merging upper limit number into an upper limit alarm packet, and pushing the upper limit alarm packet to an alarm platform.

The invention belongs to the technical field of swimming tools, and particularly relates to an anti-drowning intelligent swimming cap and a system thereof, and the anti-drowning intelligent swimming cap comprises a cap body, and a detection module, a processing module, a communication module, a power supply module and a waterproof packaging structure which are integrated in the cap body. The sensors are integrated with the swimming cap, resistance brought by additional equipment is reduced, the high-elasticity fabric is attached to the head, falling caused by water flow impact is avoided, the swimming comfort degree is improved, meanwhile, the drowning state is judged by comprehensively monitoring heart rate, blood oxygen, posture and water depth data and combining a preset algorithm, the judgment accuracy is greatly improved, and the drowning prevention effect is achieved. And the NB-IoT remote communication module is adopted, relay does not need to be depended on short-distance equipment, alarm information can be directly sent to a monitoring platform, the timeliness of transmission of the alarm information is ensured, and time is won for rescue.

The anti-drowning intelligent wearable necklace comprises a necklace main body, the necklace main body comprises a necklace ring, a connecting body, an air bag ring, a poke rod, a channel and a gas generator, the air bag ring is arranged in the necklace ring, the connecting body is arranged at the end of the necklace ring, and the gas generator is arranged in the connecting body; by designing the protection mechanism, the button clamping head can be clamped in the button clamping groove to fixedly mount the protection air bag on the inner surface of the connector, the protection air bag is inflated through the external thread air inlet to be hermetically mounted, and the protection air bag is mounted on the inner surface of the connector to be used for protection; when the necklace main body is drowned and floats in water and is unstable, the connecting body shakes and touches the jaw and the neck, the surface of the protective air bag is used for protection, a user is not prone to being injured when being touched during drowning prevention, and meanwhile the protective air bag enhances buoyancy to achieve more stable lifesaving use.

1. The name of the product of this design: Life jacket (dolphin). 2. Purpose of this design product: used for water safety protection and drowning prevention. 3. The design key points of this design product are shape or the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design.

This invention discloses a portable dual-purpose drowning prevention and rescue device, relating to the field of rescue devices. It solves the problem that existing portable dual-purpose drowning prevention and rescue devices are difficult to stabilize and float the head during use, resulting in inconvenience and inefficiency. The device includes a fixing mechanism, a rescue mechanism, and two sets of arc-shaped tubes. The fixing mechanism includes shoulder pads, fixing components, and connecting components. The rescue mechanism includes an inflatable bladder and a storage tube. The invention uses the fixing mechanism to connect the two sets of arc-shaped tubes into a ring structure that fits around the neck. The fixing components then secure the shoulder pads to the shoulders, preventing the overall structure from loosening. The rescue mechanism controls the inflation and deflation of the high-pressure gas in the storage tube, allowing the inflatable bladder to inflate as needed, floating the head on both sides and ensuring the head remains stable above the water surface, thus improving rescue efficiency. The overall structure is compact, easy to wear and use, and relatively stable after fixing.

The invention discloses a portable swimming pool drowning-prevention lifesaving device, and relates to the technical field of swimming pool drowning lifesaving, the portable swimming pool drowning-prevention lifesaving device comprises a storage shell, the circumferential outer wall of the storage shell is fixedly connected with binding belts, the circumferential outer wall of one binding belt is bonded with a fluff pad, the circumferential inner wall of the other binding belt is bonded with a hook hair pad, and the hook hair pad is fixedly connected with the storage shell. The nap pad and the hook pad are bonded with each other, an air bag is arranged in the storage shell, an air bottle used for supplying air to the interior of the air bag is arranged at the end of the storage shell, and a first release assembly is arranged in the air bottle; a second release assembly is arranged at the end part of the gas cylinder; a displacement assembly used for pushing the air bag out of the interior of the storage shell is arranged in the storage shell. Effective air supply to the air bag is achieved, automatic triggering of the whole device under the drowning condition of a user is completed, the safety of the whole device is further improved, and the use requirement of the user is met.

This invention discloses a multifunctional self-inflating live fish preservation and emergency rescue storage bag, belonging to the fields of daily storage, aquatic product transportation, and public safety emergency technology. Addressing industry pain points such as the limited functionality of existing equipment, the inability to readily carry rescue gear, the lack of lightweight drowning prevention equipment in primary and secondary schools, the reliance of traditional live fish bags on external devices, insufficient disclosure of technical solutions, and the lack of quantitative performance support, this invention employs a built-in negative pressure self-inflating capsule combined with a one-way pressure regulating valve and a roll-up buckle sealing structure. It defines complete material parameters, negative pressure parameters, pressure stabilization threshold, and buoyancy performance parameters, achieving integrated switching between three cross-domain functions: daily waterproof storage, long-term oxygen-preserving transportation of live fish without equipment, and emergency buoyancy rescue in aquatic environments. Actual testing shows that this invention improves inflation efficiency by over 85%, increases live fish survival time by 200%, reduces leakage rate to 0%, and provides stable buoyancy support for self-rescue by teenagers. This invention breaks through the functional and scenario limitations of existing technologies. The solution is complete, mass-producible, and reproducible. It can be carried by the general public, especially primary and secondary school students, on a regular basis. After its popularization, it can significantly reduce the risk of drowning accidents. It is in line with the policy orientation of campus drowning prevention and safety. It has significant industrial innovation value and social public safety value. It is highly creative, extremely practical, and has broad prospects for promotion.

The invention belongs to the technical field of anti-drowning swimsuits, and particularly relates to an anti-drowning swimsuit capable of detecting heart rate and automatically reminding, which comprises a swimsuit body, a waterproof interlayer is arranged on the inner wall of the swimsuit body, a piezoelectric sensor is connected to the top of the front side of the swimsuit body, and the outer cambered surface of the piezoelectric sensor is sleeved with a dismounting assembly. The dismounting assembly comprises a sleeve body female seat sleeving the outer arc surface of the piezoelectric sensor, and the upper surface of the sleeve body female seat is provided with a stepped end part; two-way fixing force is formed through lateral extrusion of the mounting ring block and abutting of the top of the elastic sleeve piece, the piezoelectric sensor is firmly restrained in the containing cavity of the sleeve body female base and the locking male base, the sensor cannot deviate even if a swimmer performs large-amplitude limb actions such as paddling and turning around or is impacted by water flow, and the safety of the swimmer is guaranteed. The device always keeps close fit with the skin near the heart of the human body, provides a stable reference for ultrasonic propagation and signal acquisition, maintains the heart rate detection precision, and avoids detection errors or missing detection caused by a fit problem.

This invention relates to the field of public safety technology and discloses a method, system, robot, and medium for preventing drowning in robots. The method includes: acquiring single-beam sonar ranging data, binocular images, and robot pose data; initially screening stationary candidate targets, performing visual confirmation using binocular images, and detecting the target to be confirmed; performing geometric contour matching between the contour of the target to be confirmed and a pre-stored contour model, using an improved YOLO detection model to identify the visual features of the target to be confirmed, determining whether it is in a continuously stationary state based on the robot pose data, and recording the duration of continuous stationary state; generating a drowning prevention warning signal to issue a drowning prevention warning. This invention accurately identifies the target to be confirmed from the morphological and visual feature levels by using geometric contour matching and detection models, respectively, and provides a quantitative standard for drowning prevention warning by combining whether the target to be confirmed is in a continuously stationary state and the duration of continuous stationary state, thereby improving the efficiency of drowning prevention warning.

The invention discloses a drowning alarm method and system based on fusion of multiple strategies. The method comprises the following steps: acquiring image data shot by an infrared camera and a visible light camera mounted above a swimming pool to obtain initial data; carrying out human body target detection and tracking on the initial data to obtain detection results under different visual angles; matching detection results under different visual angles, and calculating three-dimensional position information; mapping the human body target in the matched detection result to a corresponding infrared visual angle, reading and processing temperature information, analyzing the temperature information, and speculating the current state of the human body target; inputting the initial data into a behavior speculation model to analyze the floating or sinking behavior of the target; fusing and analyzing all results; and outputting a final drowning judgment result. According to the method, the false alarm phenomenon can be reduced through accurate detection and behavior recognition of the human body target in the swimming pool, and more reliable technical support is provided for drowning prevention and rescue.

The utility model relates to the technical field of exercise and training clothes, and particularly discloses an anti-drowning exercise and training clothes which comprises a clothes body and sleeves fixedly connected to the two sides of the clothes body, the clothes body is provided with a floating structure, and the floating structure comprises a floating collar, an air bag arranged in the floating collar and a compressed air bottle arranged in the floating collar and used for supplying air to the air bag. The floating collar is arranged on the surface of the garment body around the collar, a pull rope used for opening the compressed air bottle is arranged at the end of the compressed air bottle and penetrates through the floating collar, and the sleeves comprise the first sleeve fixedly connected with the garment body and the second sleeve connected outside the first sleeve in a sleeving mode. The anti-drowning exercise and training clothes have the effect of effectively reducing the drowning risk of trainees.

The application relates to the technical field of visual detection, and discloses a drowning prevention early warning method and system based on visual detection, which comprises the following steps: acquiring a water surface video and generating an optical flow distribution map; separating a foreground motion region based on optical flow statistical characteristics; extracting reflection noise features for denoising treatment to obtain pure motion data flow; performing time-frequency and extreme value analysis on the pure motion data flow to determine preliminary signs of struggling behavior; performing displacement analysis on multiple frames of images to obtain abnormal behavior tracking results; accumulatively calculating a comprehensive score of a drowning event, and generating an early warning signal when the score exceeds a threshold value; and counting the number of receiving terminals, and triggering an event processing procedure when the number of receiving terminals meets a threshold value. The method can effectively suppress water surface reflection interference and realize high-reliability drowning prevention early warning.

The utility model belongs to the technical field of drowning prevention, and particularly relates to an anti-drowning emergency rescue alarm stand column which comprises an alarm stand column body, an anti-drowning monitoring assembly is arranged on the top of the alarm stand column body, an emergency rescue assembly is installed at the bottom of the alarm stand column body, and a light assembly is arranged on one side of the alarm stand column body. A warning flash lamp is installed on the other side of the warning stand column body, and a warning horn is arranged on the side of the warning flash lamp. The anti-drowning monitoring assembly comprises a camera body, the bottom of the camera body is fixedly connected with a camera rotating shaft, the bottom of the camera rotating shaft is connected with a rotating shaft base in a clamped mode, a movable ball is arranged in the rotating shaft base, and a device motor is arranged on the side of the rotating shaft base. According to the life buoy, the angle of the camera can be conveniently adjusted according to conditions, monitoring dead angles are reduced, and the life buoy can be conveniently disassembled.

This utility model relates to the field of drowning early warning and monitoring technology, specifically an integrated drowning prevention early warning and monitoring device. It includes a door mounted on a housing via a pivot. Inside the housing are an air switch, a smart power supply, and a control box. A speaker is located on the inside of the door. A projection light is mounted on the upper surface of the housing via a pan-tilt unit. A warning light and a bullet camera are also mounted on the top of the housing. This integrated drowning prevention early warning and monitoring device, through the bullet camera, monitors the dynamics of the swimming pool surface in real time, identifies drowning characteristics, generates an alarm signal, and transmits it to the control box. The control box then remotely controls the speaker to play pre-recorded drowning warning messages, drives the pan-tilt unit to rotate the projection light so that its light spot is precisely projected onto the drowning person's location, and the warning light emits a high-frequency flashing red light to alert nearby personnel and prompt rescue operations.

The utility model discloses a drowning prevention strap which comprises a second strap body, a first strap body and a third strap body, the third strap body is connected with the first strap body and the second strap body, a first air bag is arranged in the first strap body, and a second air bag is arranged in the second strap body. A first alarm buzzer and a first silica gel one-way air valve are positioned in the middle of the first strap body, and a first air valve body is installed at the lower end of the first strap body. According to the anti-drowning strap, the buzzing device can not only give an alarm to attract attention of passersby, but also can remind and wake up a flurry and coma drowning person, and the automatic inflation device and the manual inflation device adopt double insurance, so that the anti-drowning strap is higher in practicability, greatly increases the rescue probability of the drowning person, and is convenient to use. And compared with the traditional waistcoat and waistband design, the multifunctional waistband is more convenient to wear due to the adjustable length of the straps and the elasticity of the straps.

The utility model discloses an anti-drowning swim ring, and relates to the technical field of swim rings. The swim ring comprises a swim ring body, a fixing ring is arranged at the bottom of the swim ring body, a clamping mechanism is arranged on the fixing ring, the clamping mechanism comprises a fixing rope, one end of the fixing rope is fixedly connected with a sub-buckle, a clamping groove is formed in the fixing ring, the sub-buckle is matched with the clamping groove, an anti-turning ring is arranged on the outer side of the fixing ring, and the anti-turning ring is arranged on the outer side of the fixing ring. Due to the arrangement of the fixed ring and the anti-turning ring, during installation, the swim ring is placed on the fixed ring and fixed through the fixing rope and the son buckle, so that the swim ring can be firmly fixed on the fixed ring and is not prone to falling off or shifting, the area of the anti-turning ring is large, the anti-turning ring is not prone to falling off or shifting, and the anti-turning ring is not prone to falling off or shifting. When the gravity center of a user moves forwards, large overturning torque can be generated, the user is effectively prevented from being overturned into water, and therefore the drowning prevention effect is achieved.

The invention belongs to the field of swimming pool safety monitoring, and particularly relates to a swimming pool drowning prevention early warning system and method based on artificial intelligence. The swimming pool drowning prevention early warning system based on artificial intelligence comprises an acquisition module used for sending basic questionnaire data including personal information, swimming experience, water activity preference and body characteristics to a user terminal, and speculating suffocation time and training frequency of a user according to a filling result of a basic questionnaire; the acquisition module comprises a plurality of cameras, and the plurality of cameras are used for acquiring video data at any position of the water surface; the recognition module comprises a preset recognition model, and the recognition model is used for obtaining the video data, obtaining the head features and the water surface features in the video data through the recognition model, and obtaining the water entering time and the water exiting time of the head according to the relative position relation between the features of the five sense organs in the head features and the water surface features. According to the scheme, the problem that the accuracy rate is low when video monitoring is used for judging whether the swimmer is drowning or not is solved.

The invention discloses a swimming pool anti-drowning early warning system and method based on millimeter wave radar and vision fusion, and relates to the technical field of safety early warning. The system comprises a radar sensing unit, a visual identification unit and a central processing module. The radar sensing unit obtains basic motion parameters, micro-motion characteristic parameters and vital sign parameters of a target in a swimming pool in a non-contact mode through a millimeter wave radar, and abnormal analysis is carried out in combination with short-time and medium-time sliding windows to generate preliminary early warning. The visual identification unit is started after the radar sensing unit triggers the preliminary early warning, and target classification, attitude estimation and behavior analysis are carried out through a camera; the central processing module fuses radar and visual data, carries out multi-dimensional risk assessment and outputs graded early warning signals; according to the invention, all-weather, high-sensitivity and low-false-alarm drowning early warning is realized, graded response and intelligent rescue scheduling are supported, and the system is suitable for safety protection of deepwater places such as swimming pools and the like.

The present invention discloses a safety management system for spa equipment for rehabilitation treatment, comprising a microservice business module, a spa cloud platform module, a data storage module, an operation and maintenance management module and a user interface module, wherein: the service application business module adopts a microservice architecture developed based on Nodejs, and is subdivided into different microservice units for safety management and control of spa equipment, and a plurality of microservice processing units provided in the spa cloud platform module correspond one to one with each microservice unit of the service application business module; the present invention integrates a spa image processing microservice unit, a spa safety management microservice unit and an anti-drowning processing sub-unit through a microservice architecture based on a cloud platform, and can monitor the drowning safety of patients and other safety hazards in the patient's spa process in real time, and quickly perform safety management, and at the same time, each microservice is independent of each other, and can be quickly built and optimized, saving development costs and efficiency.

The utility model discloses an anti-drowning lifesaving waistband, relates to the field of lifesaving equipment, and provides the following technical scheme that the anti-drowning lifesaving waistband comprises a main body waistband, a detection box is installed at the back end of the main body waistband, a plurality of water blocking gaps are formed in the detection box, a trigger box is installed in the detection box, and the trigger box is connected with the main body waistband. A limiting groove is formed in the top face of the trigger box, and expansion rubber is arranged at the position, below the limiting groove, in the trigger box. Daily contacted water is isolated through the water-blocking gap, once a wearer falls into water, the main body waistband on the waist can be completely immersed into the water and is influenced by the pressure intensity of the water, and the water can penetrate through the water-blocking gap to enter the detection box, so that the inflation block is triggered, the inflation expansion of the air bag is completed, and the safety of the wearer is ensured. Compared with traditional manual triggering, the safety and applicability of automatic triggering after falling into water are higher.

This invention discloses an intelligent drowning detection system, method, and related equipment. It continuously detects audio data in a target aquatic environment using an acoustic sensing module, and then extracts the target audio using signal processing technology. The target audio includes audio segments within continuous time windows. An artificial intelligence processing module uses a pre-integrated deep learning model to perform drowning analysis on the audio segments, obtaining the drowning situation for each time window. A misjudgment processing module makes a drowning judgment based on the drowning situation within the continuous time windows, obtaining a drowning prediction result. The drowning prediction result includes confirmed drowning and no drowning. An alarm and rescue triggering module responds to a confirmed drowning prediction result by triggering an alarm and activating the drowning prevention device. This invention solves the problems of insufficient overall performance caused by the single function and simple judgment logic of existing technical solutions, and can be widely applied in the field of acoustic detection technology.

The present invention relates to the technical field of student safety monitoring, and more specifically, to a student drowning prevention method and system based on a smart student card, which has the advantages of simple calculation, accurate monitoring, low equipment cost and high safety and reliability. The method and system are characterized in that the method and system comprise the following steps: obtaining user location information and dangerous water boundary information; obtaining the shortest distance d, comparing the shortest distance d from the user location information to the dangerous water with a preset dangerous distance threshold d', and judging whether the wearer is in the dangerous water according to the comparison result. Compared with the prior art: (1) the drowning prevention control method provided by the present invention has high calculation efficiency, further reducing equipment cost and personnel cost; (2) based on the calculation and comparison of the wearer location data and the marked dangerous water boundary data, a circular safety area is delineated, and when the wearer moves in the safety area, it is not necessary to repeat the calculation multiple times, thereby further improving the efficiency of drowning prevention control.

The invention discloses a swimming pool drowning prevention management system, and relates to the technical field of swimming pool safety management. Comprising a front-end acquisition unit used for deploying a plurality of cameras and performing real-time video acquisition on the whole area of the swimming pool; and the data exchange unit is used for receiving the video data of the front-end acquisition unit, distributing the video data to the core processing unit, and forwarding a control instruction and an alarm signal of the core processing unit to the alarm display unit and the personnel interaction unit. The front-end acquisition unit is provided with multiple cameras according to the actual situation of the swimming pool, full-domain dead-corner-free 24-hour video acquisition is achieved, the drowning recognition algorithm built in the core processing unit is combined, abnormity is judged by fusing the posture, the motion trail and the position depth characteristics of swimmers, traditional manual visual monitoring is replaced, and the drowning recognition accuracy of the swimming pool is improved. And missed detection caused by the decline of the attention of the lifeguard is reduced.

1. The name of this design product: Intelligent safety reminder. 2. Purpose of the product with this appearance design: The product with this appearance design is used in various fire prevention, disaster prevention and drowning prevention areas, rural and urban intersections, construction sites, tunnel entrances and other places where wiring is difficult to lay, and it has a strong warning effect and reduces the occurrence of accidents. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present application relates to a kind of artificial intelligence-based anti-drowning early warning rescue method and system, the method includes: water area is divided into multiple sub-regions, automatically upgrade column, sound wave sensor and underwater shooting device are fixedly installed in each sub-region, and net-shaped rescue device located above automatically upgrade column and equipped with water level detector is laid in water area;Real-time receive the sound wave data collected by each sound wave sensor and the human face image collected by underwater shooting device, and then judge whether there is a target in the corresponding sub-region in fixed position stays time exceeds time threshold, if so, the early warning signal of corresponding sub-region is generated;Based on the sub-region included in early warning signal, the automatically upgrade column corresponding to the sub-region is controlled to rise, so that the net-shaped rescue device laid above automatically upgrade column rises.The present application greatly improves the accuracy and timeliness of early warning, and can automatically take rescue measures, greatly improves the safety of drowning personnel.

1. Name of the product in this design: Life jacket (M2501). 2. Purpose of this design: This design is for life jackets used in water rescue operations, for water safety and drowning prevention. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key features: the front view.