119 results about "Oxygen uptake" patented technology

The invention relates to the field of intelligent auxiliary rehabilitation, in particular to a virtual reality-based respiratory rehabilitation system, which comprises a data capture module, a dynamic training monitoring module and an early warning and response module. A data extraction unit is used for acquiring a user respiration examination result and a rehabilitation training category, an environment acquisition unit is used for acquiring training field information, various respiration indexes, heart rate and motion state parameter data of a user in dynamic training are acquired, and an energy supply category is identified; and further calculating the oxygen uptake in unit time and the real-time oxygen uptake ratio, judging the training intensity grade by combining with an individualized evaluation model, and providing feedback through real-time broadcasting. If it is recognized that the training intensity is abnormal or safety risks exist, an early warning mechanism is started, voice and image prompting is achieved, and the user is assisted in adjusting the training state. The system obviously improves the scientificity, safety and individuation level of rehabilitation training, and is suitable for various scenes such as medical treatment, rehabilitation and home training.

The invention relates to the technical field of wearable intelligent equipment, and further relates to an exercise training plan generation method and system and wearable intelligent equipment. The method comprises the following steps: when a user is not in a motion state, determining a first maximum heart rate and a first maximum oxygen uptake of the user based on a support vector regression model and basic information of the user; when the user is in the motion state, photoelectric volume pulse wave signals generated by the user in the motion process are processed through a deep learning model, and a plurality of basic index sequences are obtained; determining a second maximum heart rate and a second maximum oxygen uptake of the user based on the plurality of basic index sequences, the basic information, the maximum heart rate and a maximum oxygen uptake prediction model; and generating an exercise training plan of the user based on the first maximum heart rate and the first maximum oxygen uptake, or generating an exercise training plan of the user based on the second maximum heart rate and the second maximum oxygen uptake. The method reduces the generation cost of the exercise training plan.

The invention discloses an insulated high-voltage-resistant flame-retardant 10kV power cable, and relates to the technical field of power cables, a plurality of heat insulation protection sheets are arranged at the side ends of dense power transmission line cores, an elastic resistance sheath is mounted at the outer side ends of the heat insulation protection sheets, and a plurality of material storage thermosetting cavities are formed in the inner side of the elastic resistance sheath at equal intervals; according to the invention, through internal sealing press fit and oxygen uptake dehydration treatment, stable isolation of the battery cell is realized, the problem of internal short circuit or fire caused by discharging of the battery cell is reduced, and the reliability of the battery cell is improved. And through mutual cooperation of double-layer active flame-retardant fire extinguishing and double-layer passive flame-retardant arranged outside, the time for the cable to become a combustible material during combustion is slowed down, so that the flame spreading speed is slowed down, the fire extinguishing time is prolonged, the direct loss of the cable can be reduced when a fire breaks out, and the flame-retardant and internal insulation flame-retardant protection effects are improved.

The invention discloses a system and a device for measuring the cardiopulmonary endurance of an adult, and relates to the technical field of cardiopulmonary endurance measurement. The system comprises a power vehicle, a heart rate acquisition module, a data processing module, a motion control and voice guide module, a load regulation and control module, a result output and data management module, a safety monitoring and stopping module and a user interaction module, and the power vehicle comprises a positioning base, a supporting seat, a vehicle frame, a counting and power utilization mechanism and a measurement and power recovery mechanism. A stable and controllable physical exercise platform and an adjustable load system are provided, a heart rate collection module collects heart rate data of a subject in the resting and exercise process in real time, and the heart rate data serve as a VOmax estimation core basis. And data of more dimensions can be incorporated during formula calculation of the maximum oxygen uptake, so that the effect is better.

The invention relates to the technical field of oxygen uptake tubes, in particular to a PVC sterile oxygen uptake tube and an oxygen uptake tube adapter, the PVC sterile oxygen uptake tube comprises a PVC sterile inner tube, the outer side of the PVC sterile inner tube is sleeved with a PVC sterile outer tube, a PVC connecting strip is fixed between the PVC sterile inner tube and the PVC sterile outer tube, a metal wire is inserted into the surface of the PVC connecting strip, double faced adhesive tapes are arranged on the upper side and the lower side of the PVC sterile outer tube, and the PVC sterile outer tube and the PVC sterile outer tube are connected with the PVC connecting strip. Release paper is arranged on the surface of the double-faced adhesive tape, and a buckling groove and a clamping strip are arranged on the left side and the right side of the PVC sterile outer tube respectively; the beneficial effects are as follows: the PVC connecting strip not only realizes the connection effect on the PVC sterile inner tube and the PVC sterile outer tube, but also meets the buffering effect when the PVC sterile outer tube applies pressure to the PVC sterile inner tube, and is matched with the metal wire to realize the shaping effect on an anti-blocking oxygen delivery channel after the PVC sterile inner tube is bent; the PVC sterile outer pipe not only achieves the anti-scraping protection effect on the PVC sterile inner pipe, but also achieves the compression-resistant buffering effect on the PVC sterile inner pipe, and the PVC sterile inner pipe is bonded and fixed through the cooperation of the double-faced adhesive tape, so that the PVC sterile pipe is rich in function.

The invention discloses an oxygen uptake control device and method, and belongs to the technical field of medical instruments. According to the invention, through cooperative operation of the high-precision sensor and the computer system, accurate matching of oxygen uptake and billing is ensured; depending on the oxygen concentration real-time monitoring and automatic adjusting mechanism, the treatment effect is improved, and the operation threshold is lowered; when the oxygen concentration is abnormal, voice prompt is automatically triggered, and the misoperation risk is effectively prevented; a two-dimensional code identity binding technology is combined to realize'one-code communication ', and intelligent management of hospitals is assisted; meanwhile, accurate oxygen uptake data recording not only avoids billing dispute, but also provides reliable basis for diagnosis and treatment, and safety, convenience and management efficiency of oxygen uptake treatment are comprehensively improved.

The invention belongs to the technical field of first-aid equipment, and particularly relates to a first-aid platform with an oxygen uptake function, the first-aid platform comprises a main control module and an oxygen supply module, the oxygen supply module comprises a chemical oxygen generation unit, and a peroxide reaction cavity is arranged in the chemical oxygen generation unit; the oxygen supply module further comprises an adsorption oxygen storage unit; the master control module is provided with a standardized interface. In the invention, a chemical oxygen generation unit of a peroxide reaction cavity is arranged in the oxygen supply module, the dependence of a traditional molecular sieve on an external gas source and electric power is avoided, a rapid oxygen release reaction is triggered through an iron powder catalyst, the oxygen generation speed is higher than that of molecular sieve oxygen generation, and the first-aid golden time requirement can be met; meanwhile, in extreme scenes such as plateau and power failure, the oxygen production rate is automatically adjusted through an air pressure compensation valve, it is guaranteed that the oxygen flow is stably larger than or equal to five liters per minute when the altitude is 5000 m, and the oxygen production amount is attenuated in the low-pressure environment according to the patent; meanwhile, the peroxide reaction cavity is independently sealed, so that the risk of oxygen supply interruption caused by faults of a molecular sieve air compressor is avoided.

The utility model relates to an improved oxygen uptake tube which comprises an oxygen uptake tube body, the oxygen uptake tube body comprises an oxygen uptake main tube, two oxygen uptake branch tubes, a connecting part communicated with the oxygen uptake main tube and the two oxygen uptake branch tubes, and a nasal plug type oxygen uptake head communicated with the two oxygen uptake branch tubes. The storage box is connected to the oxygen inhalation tube in a sliding mode, a clamping ring structure is fixed to one side wall of the storage box, and the clamping ring structure is connected to the oxygen inhalation branch tube in a sliding mode; the storage box comprises a box body and a box cover covering the box body; a first storage groove is formed in the box body, and a storage device matched with the nasal plug type oxygen inhalation head is placed in the first storage groove; a channel for the oxygen inhalation branch tube to pass through is formed in the storage box, a sealing device is arranged on the storage box, and the sealing device is used for switching the opening state and the closing state of the channel. According to the improved oxygen uptake tube, the nasal plug type oxygen uptake head can be conveniently protected, and the oxygen uptake tube is prevented from being polluted.

The utility model provides an oxygen inhalation tube pressure-resistant foam patch which comprises a foam patch body installed on the outer ring of an oxygen catheter branch, a pressure reduction layer is arranged at one end of the foam patch body, a tearable bonding layer is arranged on the end face, close to the oxygen catheter branch, of the pressure reduction layer, and the surface, away from the tearable bonding layer, of the pressure reduction layer is smooth and not prone to absorbing water. The foam patch body comprises a widened part wrapping the nose pad and a winding part wrapping the space between the two nose pads, and a hollow part is arranged between the winding part and the widened part. The pressure reduction layer with the smooth surface is adopted, water is not prone to being absorbed, the oxygen catheter can be properly wiped through alcohol, pressure generated by the oxygen catheter on the skin can be relieved, the comfort level of a patient is improved, and the incidence rate of catheter-related pressure injuries is reduced; the tearable bonding layer can be bonded to the outer layer of the catheter; the hollow part is arranged between the winding part and the widening part, so that the winding part can be conveniently wound on the outer ring of the nose pad section between two snorting parts, the widening part wraps along the outer circle of the nose pad, materials are convenient to take, and the nose pad is disposable.

A method for forming a battery cell in a rechargeable energy storage system comprises providing a cathode and an anode, the cathode containing a lithium metal phosphate. The method includes positioning a separator between the cathode and the anode, the separator having a side facing the anode and a side facing the cathode. The method includes depositing a catalyst layer, consisting of an oxygen storage catalyst, onto the cathode-facing side of the separator such that the catalyst layer continuously covers the cathode-facing side of the separator. The oxygen storage catalyst has an oxygen uptake capacity at or above a threshold temperature, and the oxygen storage catalyst has an oxygen retention capacity at or above the threshold temperature, the threshold temperature being at least 200 degrees Celsius.

The invention discloses a multi-scale data-based two-factor coal spontaneous combustion tendency comprehensive judgment method, which comprises the following steps of: constructing a two-factor coal spontaneous combustion tendency comprehensive index on the basis of an entropy weight method by combining a cross point temperature test and a chromatographic oxygen uptake test, and dynamically distributing a low-temperature oxidation stage weight of a target coal sample by adopting the entropy weight method, and constructing a two-factor coal spontaneous combustion tendency comprehensive index. According to the method, the problem of judgment deviation caused by only paying attention to the local oxidation stage in an existing single method is solved, the characterization capacity of the whole coal spontaneous combustion process is remarkably improved, a scientific and practical judgment basis is provided for coal mine underground coal spontaneous combustion risk monitoring, and the misjudgment risk caused by limitation of a single index is effectively reduced.

The utility model relates to the field of oxygen uptake tubes, in particular to an anti-bending oxygen uptake tube for cardiology department nursing, which is characterized in that a reinforcing structure is arranged at the joint of a first joint and a first tube body, so that the oxygen uptake tube is prevented from being bent when being vertically pulled or collided. Comprising a first pipe body, one end of the first pipe body is fixedly provided with a first connector used for being connected with equipment, the first connector is in a horn shape with an outer opening, the other end of the first pipe body is provided with a second connector used for branching, the other end of the second connector is connected with two paths of second pipe bodies, and the tail ends of the second pipe bodies are connected with third connectors matched with nostrils. The first pipe body at the inner end of the first connector is sleeved with a guide cap, the guide cap is of a conical structure back to the first connector, and the pointed end of the guide cap is fixedly connected with the inner end face of the first connector. A spring wrapping the first pipe body is fixedly arranged at the open end of the guide cap. The device is easy to operate, convenient to use and suitable for various patients.

The invention discloses a micro-pressure square cabin with an intelligent oxygen uptake function, and relates to the technical field of micro-pressure square cabins, the micro-pressure square cabin comprises a cabin body, and further comprises an air channel connected to the cabin body in a penetrating mode; the oxygen channel is communicated and connected with the air channel; the sealing element is arranged in the oxygen channel and is used for adjusting the opening degree of the oxygen channel; the transmission assembly is slidably connected in the air channel, and one end of the transmission assembly is connected with the sealing piece; when the air pressure in the air channel drives the transmission assembly to move, the sealing piece is driven to move in the oxygen channel, the opening degree of the oxygen channel is adjusted, and then the oxygen content in the air is adjusted. The transmission assembly is driven to move through the air pressure of the inflow amount in the air channel, then the transmission assembly drives the sealing piece to slide in the oxygen channel, and the oxygen amount in the air is adjusted by adjusting the opening degree of the sealing piece in the oxygen channel.

A coal blending method and a use thereof, relating to the technical field of thermal power engineering, and solving the problems of low-temperature oxidation, spontaneous combustion and pollutant formation in stored coal. The specific method is as follows: selecting coal M and coal N, and blending same at a specific ratio, wherein the coal M has an oxygen uptake weight gain ΔM>1% and Vdaf>37%, the coal N has an oxygen uptake weight gain ΔM≤1% and Vdaf≤37%, and the weight ratio of the coal M to the coal N is (10-90): (10-90); the oxygen uptake weight gain ΔM=M2-M1, ΔM is the difference between the peak and valley values during the oxygen uptake weight gain stage in a thermogravimetric test, M1 is the valley value of a thermogravimetric curve, M2 is the peak value of the thermogravimetric curve, and Vdaf is the dry ash‑free volatile matter of coal.

The oxygen inhalation tube fixing support convenient to adjust and use comprises a clamping base, a stand column is fixedly installed on the top face of the clamping base, a first motor is fixedly installed on one side of the stand column, one end of a first connecting rod is fixedly connected to a rotating shaft of the first motor, and a first bevel gear is fixedly connected to the outer surface of the other end of the first connecting rod. By arranging the first motor, the first connecting rod, the first bevel gear, the second bevel gear, the connecting rod, the lead screw and the like, the height of the lifting frame, the connecting block, the rotating block, the lifting plate and other structures can be conveniently adjusted, and by arranging the second motor, the second connecting rod, the first gear, the second gear, the rotating rod, the rotating round block and the like, the angle of the lifting plate can be conveniently adjusted by rotating the lifting plate; and by arranging a third motor, a third connecting rod, a third gear, a rack, a limiting sliding block, a limiting sliding groove and the like, the horizontal position of the lifting plate can be adjusted conveniently, and by arranging a connecting block, a fixing rod, a rotating block, a fastener and the like, the device can be folded and stored conveniently.

The application relates to the technical field of oxygen flow control of an oxygen generator, and discloses an oxygen generator flow automatic control method and system, an oxygen generator flow automatic control method, which comprises the following steps: configuring a target oxygen configuration flow and a target oxygen concentration required by target personnel; acquiring actual oxygen flow and actual oxygen concentration in real time; calculating an effective oxygen uptake deviation; when the effective oxygen uptake deviation is not lower than a specified oxygen uptake, dynamically acquiring a short-time oxygen configuration flow; generating a flow control signal through a preset PID control algorithm based on the deviation between the short-time oxygen configuration flow and the actual oxygen flow; and driving a flow adjustment actuator to output oxygen according to the flow control signal; a first parameter group is adopted during an inhalation phase of the target personnel, and a second parameter group is adopted during an exhalation phase of the target personnel, wherein, and, the response delay of the patient during a rapid inhalation phase is reduced, the oxygen waste during the exhalation phase is reduced, and the method is especially suitable for irregular breathing modes of COPD patients.

Provided herein are methods of treating patients by administering aficamten, or a pharmaceutically acceptable salt thereof, including in combination with beta blockers. The treatment methods include improving heart rate reserve, peak metabolic equivalents (METs), exercise duration, peak oxygen uptake (pVO2) as well as other parameters related to exercise capacity.

The utility model relates to the technical field of medical instruments, in particular to a cardiovascular medicine oxygen uptake nasal plug fixing device which comprises a connecting assembly, the connecting assembly comprises a mounting plate, connecting plates are symmetrically and movably arranged on the upper surface of the mounting plate, and a fixing assembly is mounted on the upper surfaces of the two connecting plates and used for fixing the two connecting plates. The fixing assembly comprises a plurality of supporting rods symmetrically arranged on the upper surfaces of the two connecting plates, and the supporting rods are provided with two mounting rings. According to the nasal catheter fixing device, the mounting plate is doubly fixed from the head of a patient to the positions above and below the ears through the two tying ropes, then the nasal catheter is mounted in the fixing assembly, the fixing assembly is adjusted, the conical pieces are unfolded, the unfolding angle is adjusted according to the size of the nostrils of the patient, the conical pieces are supported on the inner walls of the nostrils, and the nasal catheter is fixed; the nasal catheter is prevented from falling off from the nostril by pulling the head ring when the head is moved, and potential safety hazards caused by oxygen deficit of a patient are reduced.

The invention discloses a user personalized cardiopulmonary function evaluation method based on a VR fitness bicycle, and belongs to the technical field of exercise health management, and the method comprises the following steps: S1, a user selects a cardiopulmonary function evaluation module in a system, and prepares to start a test; s2, preparing questionnaire data according to the gender, age, height, weight and physical activity of the user, and performing virtual rider matching; s3, after the test is started, the user stares at a matched virtual target rider in the system along with the VR bicycle test program, and bicycle riding is carried out for 12 minutes, so that the user can ride the farthest distance as much as possible; s4, acquiring riding speed, riding distance and riding output power data in the exercise process of the user; s5, the maximum oxygen uptake is calculated according to a formula obtained through calculation of a large number of tests in the early stage, and the cardio-pulmonary function is evaluated; according to the method, a professional sports laboratory or a medical institution is not needed for testing, the method is simple and convenient, meanwhile, the testing scheme has adaptability, real-time visual feedback of a VR virtual target rider is utilized, the potential of a user is stimulated, and the cardiopulmonary assessment accuracy is improved.

The utility model relates to medical instrument technical field discloses oxygen inhalation timer, including humidification bottle, humidification bottle, connecting pipe body and flowmeter, one side of connecting pipe body is provided with oxygen outlet pipe, the one end away from connecting pipe body of oxygen outlet pipe is provided with control pipe seat, the surface center of control pipe seat upper end is provided with timer body, the switch button of timer body is close to oxygen outlet pipe one side lower extreme and is provided with, both ends of control pipe seat all are seted up to have the mounting hole, control pipe seat is close to oxygen outlet pipe one end and is provided with valve structure through mounting hole. The oxygen inhalation timer, when the patient needs oxygen inhalation, the patient can dial the dialing rod, drives the cam to rotate, the front end of the cam will contact and extrude the switch button in the cam rotating process, realize the switch button to open the timing, at the same time, the ball body is driven to rotate synchronously through the rotating shaft when the cam rotates, the through -hole on the ball body is opened, the patient can inhale oxygen, realize the patient to inhale oxygen and start timing simultaneously, guarantee timing accurate.

The utility model discloses a kind of anti-falling oxygen uptake tubes, including sleeve, the sleeve inner wall is the conical shape corresponding with the gas outlet pipe appearance of oxygen inhaler, locking rod is set through on the sleeve, the axis of locking rod and sleeve is perpendicular, the locking rod includes the sliding portion of cylindrical and the locking portion of cylindrical fixedly connected in the one end of sliding portion along axial direction, the sleeve is fixedly connected with the sealing gasket of center opening in its smaller one end, the end of oxygen delivery tube is fixedly connected with the one end of sleeve close to sealing gasket and is communicated with the hole of sealing gasket center, after the gas outlet pipe is inserted to sleeve, the locking portion is clamped on the flange on gas outlet pipe, the sealing gasket is pressed in the outer end of gas outlet pipe.The utility model can be operated by single hand, since sleeve and pipe body are connected by passing through groove and clamping locking portion on the flange of groove side, sleeve, pipe body and locking portion are all rigid components, even if oxygen delivery tube is subjected to tension, sleeve and pipe body also cannot be loose.

The application relates to the technical field of intelligent vehicle-mounted technology, in particular to a breathing synchronization intelligent vehicle-mounted oxygen supply control method and system, which comprises the following steps: emitting electromagnetic waves to passengers through a millimeter wave radar and receiving reflected echo signals; performing signal processing on the reflected echo signals to obtain periodic signal waveforms; identifying the inspiration stage and the expiration stage of the passengers based on the periodic signal waveforms; outputting an opening instruction in response to the identification of the inspiration stage; outputting a closing instruction in response to the identification of the expiration stage; and based on the analysis of the periodic signal waveforms formed by the passengers in a plurality of historical breathing cycles, predicting the starting moment of the next inspiration stage and outputting the opening instruction at a preset time point before the predicted starting moment of the inspiration stage. The oxygen utilization rate is greatly improved, so that a smaller-power oxygen generator or a smaller-capacity oxygen storage tank can be used under the condition of the same effective oxygen uptake, thereby reducing the system volume, weight, cost and energy consumption.

The invention relates to the technical field of sports physical fitness testing, and discloses a rugby special detection BeepTackle, and the method comprises the steps: guiding a subject to carry out a running and impact combined incremental load test, and recording the final level when the test is terminated; calculating a final speed and a standardized impact load coefficient based on the final level; finally, according to the evaluation model integrating running metabolism, basic metabolism and special impact load, the maximum oxygen uptake is calculated in combination with the body weight of the subject. The evaluation model innovatively introduces specialized load terms associated with metabolic weight and coefficients to quantify the physiological depletion of the impact action. The device comprises a shell, an impact strength collecting unit, an audio playing unit and a processing unit, a back plate groove is formed in the rear portion of the shell, and fast assembly and disassembly are achieved through cooperation of a locking mechanism and a fast disassembly plate mechanism which are driven by a button. By quantifying the special load, the evaluation result can more accurately reflect the actual combat physical ability of the athlete, and the test speciality, objectivity and operation convenience are improved.

The utility model discloses an igniter for coal underground gasification, which comprises a transverse cylinder, a support column is fixed at the bottom edge of the outer side of the transverse cylinder, the bottom position of the support column is attached to the horizontal ground, and the left side position of the transverse cylinder is communicated with an oxygen uptake box; one end of the oxygen uptake mechanism is connected with the igniter body through an air inlet pipe, and the bottom of the igniter body extends into the drilling position. An injection mechanism is further arranged at the top of the transverse cylinder, and a vertical pipe of the injection mechanism is embedded into the outer end of the fuel tank. According to the igniter for underground coal gasification, the oxygen uptake mechanism is arranged, gas can be absorbed through a through hole formed in one side of an oxygen uptake box through the oxygen uptake mechanism, the gas is conveyed to the output end of the igniter body through a gas inlet pipe, efficient ignition treatment can be facilitated through gas conveying, and the gas is conveyed to a combustion position through a nozzle; ignition treatment can be carried out more easily through ignition treatment of the through holes.

The invention discloses an oxygen-saving interface and a use method of the oxygen-saving interface, and the oxygen-saving interface comprises an inner shell, an outer shell, an oxygen-saving unit and a connecting unit; the inner shell is arranged inside the mounting carrier, the outer shell is arranged outside the mounting carrier, the inner shell and the outer shell are connected with the mounting carrier through the connecting unit, and the oxygen-saving unit is arranged in a mounting space formed between the inner shell and the outer shell; the oxygen saving unit comprises a regulation and control assembly, a pulse gas path, a gas transmission gas path and a control gas path; an air suction port is formed in the inner shell, an oxygen supply port is formed in the outer shell, and the regulation and control assembly is connected with the oxygen supply port and the air suction port through a control air path; the pulse gas path is connected with the regulation and control assembly, and the regulation and control assembly can control the pulse gas path to be connected or disconnected with the oxygen supply opening to achieve pulse oxygen supply; the two ends of the gas conveying gas path communicate with the oxygen supply opening and the regulation and control assembly correspondingly. Through the regulation and control assembly, the pulse gas circuit, the gas transmission gas circuit and the control gas circuit, the pulse gas circuit and the oxygen supply port can be controlled to be connected or disconnected, and meanwhile the functions of virus protection, oxygen uptake and oxygen saving are achieved.

The utility model discloses an improved respirator mask, relates to the field of respirator masks, and provides an improved respirator mask which comprises a mask body and is characterized in that an adjusting structure capable of adjusting according to face conditions of different patients is arranged on the mask body; and an extension part which is conveniently attached to the lower jaws of different patients is arranged below the mask body. According to the utility model, adaptive adjustment can be carried out according to face conditions of different patients, especially for some people with retrograde or small mandible and edentulous old people with rhinitis or high airway reactivity, the device can be attached to the face of the patient, leakage of inhaled medicaments and oxygen cannot be caused, waste of medicaments and oxygen cannot be caused, and the device is suitable for popularization and application. Meanwhile, the treatment and oxygen uptake effects of the patient are better.

The invention relates to the technical field of medical apparatus and instruments, in particular to a fixing device suitable for preventing a nasal oxygen cannula from falling off during ear postoperative oxygen uptake. Comprising an oxygen therapy main pipe, the oxygen therapy main pipe is connected with a nasal catheter, the nasal catheter is connected with an oxygen inhalation head, the oxygen therapy main pipe is connected with a connecting piece, the connecting piece is connected with an oxygen connector, the oxygen therapy main pipe is connected with a fixing piece, the fixing piece is connected with a support, the support is connected with a fixing belt and an extension belt, and the fixing belt and the extension belt are jointly and detachably connected with a first adjusting sleeve and a second adjusting sleeve. The first adjusting sleeve and the second adjusting sleeve are connected with clamping seats respectively, the fixing belt and the extending belt penetrate through the corresponding clamping seats respectively, the first adjusting sleeve and the second adjusting sleeve are detachably connected with an adjusting ring together, clamping holes are formed in the adjusting ring, and the fixing belt and the extending belt penetrate through the clamping holes respectively. By means of the oxygen uptake fixing device, postoperative oxygen uptake of a patient can be facilitated, the oxygen uptake tube is better fixed and prevented from falling off, a wound is prevented from being directly pressed through the fixing device, and pain and discomfort of the patient are reduced.

The building construction machinery cockpit comprises a cockpit body, a rain shelter is fixedly installed at one end of the cockpit body, an oxygen storage mechanism is fixedly installed in the rain shelter, a first air pipe is installed at the exhaust end of the oxygen storage mechanism in a communicating mode, and the first air pipe penetrates and extends to the top in the cockpit body; the other end of the first air pipe communicates with a first electromagnetic valve, one end of the outer surface of the first air pipe located at the top in the cockpit communicates with a second air pipe, the other end of the second air pipe communicates with a ring pipe, and the outer surface of the ring pipe rotationally communicates with an oxygen inhalation mechanism in a damping mode. Through the design of the oxygen storage mechanism and the oxygen uptake mechanism, the oxygen concentration in the cabin is monitored in real time through the oxygen sensor, headache of a driver due to oxygen deficit is fundamentally avoided, the risk of heart and lung function injury is reduced, meanwhile, the emergency oxygen uptake mechanism can rapidly provide high-concentration oxygen by pulling down a mask, and life health of the driver is doubly guaranteed.

The utility model discloses a snorting structure for oxygen uptake, which comprises a bottom support, a cover body, a joint and belt bodies, two nasal tubes are arranged on the bottom support, the bottom support is arranged at the bottom of the cover body, the nasal tubes are communicated with the space enclosed by the cover body, the joint is arranged on the cover body and communicated with the space enclosed by the cover body, one end of each belt body is arranged on the cover body, and the other end of each belt body is connected with the cover body. And the other ends of the two belt bodies are respectively provided with a connecting buckle. According to the snorting structure for oxygen inhalation, the free ends of the two band bodies can be connected through the binding band, when oxygen inhalation is needed, an oxygen catheter on an oxygen generator is inserted into the connector, the binding band is sleeved on the head to be fixed to ensure that the two nasal tubes on the bottom support are inserted into the nostrils, and after oxygen inhalation is completed, when storage and tidying are needed, the binding band is fixed to the connector. The oxygen catheter on the oxygen generator is pulled out from the connector, the snorting structure is independently stored and tidied, the oxygen catheter does not need to be stored together, wearing and storage are very convenient, and adhesive tape does not need to be used for bonding and fixing when the oxygen generator is worn.

This invention discloses a method for determining peak oxygen uptake and tidal volume based on multimodal physiological information characteristics, belonging to the field of physiological signal monitoring and evaluation technology. It addresses the problem of inaccurate calculation results of peak oxygen uptake and tidal volume in current personnel systems. The method involves: constructing a testing procedure for test subjects based on standard personnel data; acquiring real-time personnel data based on the testing procedure; determining whether the real-time heart rate of the test subjects is abnormal based on the real-time personnel data; dividing the real-time personnel data into resting data and exercise data; calculating the real-time resting tidal volume and resting peak oxygen uptake of the test subjects based on the resting data; constructing a testing time period for the test subjects using the exercise data; and calculating the real-time exercise tidal volume and exercise peak oxygen uptake of the test subjects within the testing time period. This invention achieves accurate calculation of tidal volume and oxygen uptake under different conditions.