300 results about "Oxygen mask" patented technology

The multifunctional cardio-pulmonary resuscitation machine equipment comprises a first-aid box body, a pressing device, a ventilation device, a monitoring device, a defibrillation device and a control device, the pressing device, the ventilation device, the monitoring device, the defibrillation device and the control device are installed on the first-aid box body, an arc-shaped pillow opening is concavely formed in the upper end face of the first-aid box body, and the first-aid box body is wrapped with a protective pad; a waistband is oppositely pulled between the two side edges of the inner side face of the protective pad, and the pressing device and the defibrillation device are integrated and arranged on the waistband in a sleeving mode. The ventilation device comprises an oxygen generation pump, an oxygen mask and an air delivery pipe which are integrated in the first-aid kit body, and an output port of the oxygen generation pump penetrates through the first-aid kit body and is connected with the oxygen mask; the monitoring device comprises two groups of sensors and connected signal lines, the control device comprises a panel mounted on one side of the first-aid kit body, and physiological parameters are displayed on the panel in real time; according to the cardiopulmonary resuscitation first-aid kit, the operation complexity of medical staff in the cardiopulmonary resuscitation process is simplified, and high efficiency of cardiopulmonary resuscitation rescue is achieved.

The present invention relates to the technical field of medical devices, and particularly to a mask fixing device, comprising: a mask body, on which a base is provided; a fixing part, which is fixedly arranged on the base and has at least two working states; a drawstring, which passes through the fixing part so that after the drawstring is tightened, the mask body fits with the human face to ensure sealing; wherein, when the fixing part is in the first working state, the drawstring slides relative to the mask body, and when the fixing part is in the second working state, the drawstring is fixed relative to the mask body. The present invention ensures the fit of the mask with the human face through the drawstring, and then realizes the fixation of the drawstring and the mask through the fixing part of the drawstring installed on the mask. This structure is convenient to install and is suitable for ordinary medical oxygen masks.

The invention discloses a heat insulation firefighter uniform with an oxygen circulation system. The heat insulation firefighter uniform comprises a protective garment body, a protective helmet and the oxygen circulation system arranged on the protective garment body. An oxygen mask and goggles are arranged on the protective helmet; the oxygen circulation system comprises an oxygen circulation respirator backpack arranged on the back of the protective clothing body, an oxygen circulation respirator is arranged in the oxygen circulation respirator backpack, an oxygen pipe containing cavity is formed in the inner side of the back of the protective clothing body, an oxygen pipe is arranged in the oxygen pipe containing cavity, and the oxygen pipe is communicated with the oxygen circulation respirator backpack. One end of the oxygen pipe is connected with the oxygen circulating respirator, and the other end of the oxygen pipe is connected with the oxygen mask; the protective clothing body is of a multi-layer composite structure and is composed of a wear-resisting layer, a waterproof layer, a flame-retardant layer, a pure cotton fireproof heat-insulating layer, a constant-temperature layer and a comfortable layer which are sequentially arranged. And through the combined arrangement of the protective helmet and the oxygen circulating system, the safety protection performance of the protective garment body is effectively improved.

The invention provides an oxygen mask optimization design method based on a finite element simulation technology. The method comprises the specific steps that S1, an oxygen mask three-dimensional model is constructed based on an obtained face model; s2, simulating the oxygen mask by using a finite element simulation technology to obtain accurate pressure distribution; and S3, optimizing the shape of the oxygen mask based on a numerical gradient method to obtain an optimal shape of the oxygen mask. The oxygen mask can be designed in a customized mode, the pressure distribution of the optimized oxygen mask is more uniform, the area of a high-pressure area is reduced, and the oxygen mask can better adapt to the face shape of a patient, so that the wearing comfort is improved, and the risk of pressure injury is reduced.

The invention discloses synthetic resin and an adhesive for a medical oxygen anaesthetic mask as well as a preparation method and application of the synthetic resin and the adhesive, and the synthetic resin is prepared by the following steps: carrying out ring-opening reaction on KH-560 and KH-550 to generate a siloxane intermediate with hydroxyl, and modifying polyurethane by using the siloxane intermediate; the adhesive comprises the following components in parts by weight: 100 parts of synthetic resin, 45-95 parts of a reactive diluent and 4-14 parts of a photoinitiator, and the reactive diluent mainly comprises isobornyl acrylate, N, N-dimethylacrylamide, tetrahydrofuran acrylate and hydroxyethyl acrylate; compared with the prior art, the adhesive prepared from the synthesized modified resin has the advantages that the adhesive can be quickly cured under the irradiation of an LED lamp, the energy consumption is low, and automatic production is facilitated; the oxygen mask has the characteristics of good surface dryness, good flexibility, no blistering at constant temperature and humidity, firmness of a PC (Poly Carbonate) surface cup and a PVC (Polyvinyl Chloride) air bag for bonding the oxygen mask, and the like.

The invention belongs to the technical field of medical instruments, and discloses a synchronous oxygen supply breathing device which comprises a vertical mounting plate, a telescopic frame is movably mounted on one side of the vertical mounting plate, a pressing pad is mounted at the end of the telescopic frame, and a ventilation seat and an oxygen supply pipeline are sequentially mounted on the side face of the vertical mounting plate from top to bottom. An electromagnetic valve is installed on the oxygen catheter, an oxygen mask is installed at the end of the oxygen catheter, the ventilation seat and the oxygen supply pipeline are both communicated with a folding air bag, a rotating arm is installed on the side face of the vertical installation plate, one end of the folding air bag is installed on the vertical installation plate, and the other end of the folding air bag is installed on the rotating arm. The electromagnetic valve is opened at set intervals, and the transmission piece drives the folding air bag to contract and positive pressure is formed in the folding air bag only within the time when the pressing pad is away from the chest of the patient along with the telescopic frame, so that gas stored in the folding air bag is input into the oxygen mask through the oxygen catheter, and ventilation is completed.

This utility model discloses an active exhaust saturated oxygen therapy device, comprising an oxygen source, an oxygen therapy device, and an active exhaust structure connected sequentially via tubing. The oxygen therapy device includes a respirator, a saturated oxygen mask, and an elastic airbag connected sequentially. The active exhaust structure includes a vacuum tank and a vacuum pump. The elastic airbag has an inlet and an outlet. The saturated oxygen mask is connected to the inlet of the elastic airbag via tubing, and the outlet of the elastic airbag is connected to one end of the vacuum tank via tubing. The other end of the vacuum tank is connected to the vacuum pump. A vacuum pressure sensor is installed on the vacuum tank. This utility model solves the problems of reliance on chamber pressure for exhaust and uneven exhaust in existing technologies. This utility model can achieve uniform and efficient exhaust in low-pressure and zero-pressure environments. It can also effectively handle instantaneous high-flow exhalation, avoiding suffocation and improving the user experience for oxygen therapy personnel.

The invention relates to a mechanical oxygen supply flow indicator for an aviation oxygen mask, which comprises a sleeve tube partially or completely made of transparent materials, an oxygen inlet tube is arranged on one side of the sleeve tube, an oxygen outlet tube is arranged on the other side of the sleeve tube, the sleeve tube is provided with an inner cavity, a flow indicating block is arranged on one side, close to the oxygen inlet tube, in the inner cavity, and an adjusting device is arranged on one side, close to the oxygen outlet tube, in the inner cavity. A spring is arranged between the flow indicating block and the adjusting device; the flow indicating block can slide along the inner cavity of the sleeve pipe, during working, oxygen enters the inner cavity from the oxygen inlet pipe, then passes through the gap between the side face of the flow indicating block and the wall of the inner cavity of the sleeve pipe, flows through the adjusting device and then flows out of the oxygen outlet pipe, and a user judges the oxygen pressure and the airflow condition during oxygen supply by observing the position of the flow indicating block in the inner cylinder. The device adopts a pure mechanical structure, is simple and reliable, convenient to assemble and connect, small in size, light in weight, convenient to maintain and repair, visual in flow display and particularly suitable for being used on a mask oxygen supply pipeline.

The invention discloses a portable anesthetic gas mixing device, and belongs to the technical field of medical instruments. The anesthetic gas mixing device comprises a box body, an oxygen bottle, an anesthetic gas bottle and a converging pipe, wherein the oxygen bottle and the anesthetic gas bottle are arranged in the box body; the converging pipe is communicated with the oxygen bottle and the anesthetic gas bottle and penetrates through the box body; the gas conveying pipe is connected with the oxygen bottle and the anesthetic gas bottle far away from the afflux pipe; and the oxygen mask is fixedly connected with one end, far away from the afflux pipe, of the gas conveying pipe. According to the portable anesthetic gas mixing device, the flow of oxygen and anesthetic gas can be controlled by arranging the regulator, so that the oxygen and the anesthetic gas can be preliminarily mixed in the balloon and then further mixed through the mixer, and the gas mixing efficiency and effect are improved; meanwhile, the piston assembly can be synchronously used for inflating the air bag, so that the oxygen mask is tightly attached to the face of the patient, discharge and waste of anesthetic gas are reduced, and the anesthetic effect is ensured.

The fire extinguishing device for forest resource management and protection comprises a fixing plate, T-shaped sliding grooves are fixedly formed in the two sides of the top end of the fixing plate, a portable mechanism is arranged at the front end of the fixing plate and comprises a back plate fixedly installed at the front end of the fixing plate, and a containing block is fixedly installed on the bottom side of the rear end of the fixing plate. A fire extinguishing mechanism is arranged at the top end of the containing block and comprises a water storage tank installed on one side of the top end of the containing block, an oxygen tank is installed at the end, away from the water storage tank, of the top end of the containing block, and a foam tank is installed at the position, located on the inner side of the water storage tank and the inner side of the oxygen tank, of the top end of the containing block. And then the oxygen valve is opened, oxygen in the oxygen tank is conveyed into the oxygen hose through the oxygen valve, then the oxygen is conveyed into the oxygen mask through the oxygen hose, and then the oxygen in the oxygen mask is used for breathing of people, so that fire extinguishers are prevented from faint due to oxygen deficit in the fire disaster process, and the fire extinguishing efficiency is improved.

The utility model provides an oral cavity supporting oxygen mask for a painless endoscope in the digestive department. The oral cavity supporting oxygen mask is used for solving the problem that oxygen leaks from the oxygen mask when the endoscope is used and the problem that the size of a supporting cannula is fixed and cannot be adjusted. According to the oral cavity supporting oxygen mask for the painless endoscope in the digestive department, a mask body is a hollow shell formed by a first shell and a second shell, a plurality of through holes are formed in the second shell, and an oxygen opening is formed in the lower side of the first shell and used for being connected with oxygen supply equipment; a sealing piece is arranged in the cover body, an opening in one side of the sealing piece penetrates through the first shell and the second shell, and an opening in the other side of the sealing piece is formed in the skin around the mouth. And a supporting insertion pipe is detachably arranged in the sealing piece.

The utility model discloses a first-aid oxygen mask, and belongs to the technical field of medical first-aid equipment. The mask comprises a mask body, a sealing air bag and a sealing cover. The mask body is provided with an oxygen pipe connecting pipe and an endoscope through hole, the outer side is fixedly connected with a barrel cover, and an abutting part is arranged inside. The sealing air bag is fixed in the cylinder cover, and the sealing cover is in threaded connection with the cylinder cover and can seal the cylinder cover. The mask innovatively solves the problem that a traditional oxygen mask cannot meet the requirements for oxygen supply and endoscope operation at the same time, the sealing air bag can be effectively sealed in different states, and oxygen leakage is prevented. The flexible supporting sheet of the abutting part plays a supporting and fixing role in different scenes. The integrally-formed structure enhances the strength and reduces the leakage risk, and the transparent material facilitates observation. The medical first-aid kit meets various requirements, improves the operation convenience, provides powerful support for medical first aid, and has wide application prospects.

The utility model discloses a high-flow anus and crissum wound oxygen therapy auxiliary device, which relates to the technical field of wound oxygen therapy recovery and comprises a hemispherical mask and a fixing mechanism, an oxygen supply tube is mounted at the air inlet end of the hemispherical mask, and the oxygen supply tube is mounted on the fixing mechanism; the fixing mechanism comprises a main body box, fixing clamping rods are movably installed at the two ends of the main body box respectively, a traction assembly is installed in the main body box, and the traction assembly is used for achieving the traction effect on the fixing clamping rods. The oxygen mask has the advantages that the stability of the oxygen mask in the using process is improved, the venturi tube is arranged, the oxygen flow rate of the air outlet end is increased through the venturi tube, high-flow oxygen therapy is provided, the oxygen therapy effect is improved, the covering cloth is arranged, the privacy part of a patient can be covered through the covering cloth, and the privacy in the treatment process is improved.

The utility model relates to the technical field of respirators, and discloses an emergency simple respirator for a patient, which comprises an oxygen mask, the bottom of the oxygen mask is clamped with a replacement assembly, the replacement assembly comprises two groups of clamping blocks clamped at the bottom of the oxygen mask, the bottoms of the clamping blocks are fixedly connected with a protective mask, and the protective mask is fixedly connected with the oxygen mask. The top of the oxygen mask communicates with a connecting pipe, and a fixing disc is connected into the connecting pipe in a sleeved mode. According to the emergency simple respirator for the patient, through the arrangement of the replacement assembly, when the respirator needs to be used, a clamping block on a protective mask is clamped on the surface of an oxygen mask and then inserted into a clamping groove to be fixed, when the respirator needs to be detached, the clamping block is pulled out of the clamping groove, the clamping block is separated from the interior of the clamping groove, and the protective mask is taken down; therefore, the effect of conveniently assembling and disassembling the protective mask is achieved, cleaning of the oxygen mask by people is reduced, only the protective mask needs to be replaced for cleaning, meanwhile, real-time emergency treatment on multiple people is facilitated by replacing the protective mask, and cross infection is reduced.

The utility model discloses an aviation oxygen supply mask body matched with a composite valve, which belongs to the technical field of masks and comprises a mask, the mask comprises a mask body, a sound transmission hole and a breathing hole, the sound transmission hole is arranged on the front end face of the mask body, the breathing hole is arranged on the lower side of the front end of the mask body, and the composite valve is arranged on the mask body. The first protective cover is fixedly installed on the lower side of the front end of the breathing hole and arranged at the breathing hole. By means of the mode, an expiration device and an inspiration device of a wearer are integrated, so that maintenance is facilitated.

The invention discloses a mask oxygen concentration testing device and method and relates to the field of testing. The mask oxygen concentration testing device comprises a test bin, an oxygen bottle, an oxygen supply device, a tool clamp, a breathing simulation device and an oxygen concentration detection device, and the tool clamp, the breathing simulation device and the oxygen concentration detection device are arranged in the test bin. The tool clamp is provided with two breathing interfaces communicated with the cavity, the breathing simulation device and the oxygen concentration detection device are connected with the two breathing interfaces respectively, and the oxygen supply device is connected with the oxygen bottle and the oxygen mask respectively; the oxygen supply device is used for conveying oxygen in the oxygen bottle to the cavity at a set flow rate, the breathing simulation device is used for alternately inhaling air from the cavity and exhaling air into the cavity at set pressure and frequency, and the oxygen concentration detection device is used for detecting the oxygen concentration in the cavity at the exhaling tail end of the breathing simulation device. The mask oxygen concentration testing device and method can comprehensively and accurately detect the oxygen concentration when the oxygen mask is worn for breathing.

The utility model discloses a non -invasive breathing machine oxygen mask fixing device, including the elastic mesh cover cap of bottom end is open and is set in the patient's head, the elastic mesh cover cap covers the non -invasive breathing machine oxygen mask of wearing on the inside of patient's face, the utility model discloses a magic tape is fixed on the cooperation of non -invasive breathing machine oxygen mask, realizes the effective fixing of non -invasive breathing machine oxygen mask, and the elastic mesh cover cap has good elasticity and adaptability, ensures that the mask and patient's nose and face are closely attached, effectively prevent the occurrence of the oxygen leakage condition, simultaneously, through the fixed attachment of magic tape, can further enhance the stability of mask, guarantee the pressure in the mask reaches the setting pressure, in addition, the device still is equipped with the sponge pad, and the sponge pad has good softness and buffering, can alleviate the oppression of mask to patient's nose bridge and forehead, increases the wearing comfort degree.

1. The name of the product of this design: disposable oxygen mask. 2. The purpose of this design product: It is used in medical and health care to provide clinical oxygen breathing. 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 utility model relates to the technical field of oxygen supply equipment, and discloses a hospital oxygen supply equipment oxygen flow difference monitoring alarm device which comprises a bottom plate, the front end and the rear end of the upper surface of the bottom plate are fixedly connected with a connecting frame and a storage box respectively, and a PLC control panel is arranged on the upper portion of the outer wall of the front end of the connecting frame. When the oxygen supply equipment for the hospital is used, a standby oxygen tank can be conveniently placed in advance through the storage groove, the buckle body and the buckle lock can be conveniently opened by opening the cover plate to take out the oxygen mask, the oxygen tank is opened by clamping the mask connector with the connector and clamping the oxygen output head with the oxygen conveying head, and then the oxygen mask can be taken out. The oxygen tanks, the hoses and the oxygen mask are integrated into the whole oxygen supply equipment, the self-locking universal wheels are conveniently pushed through the push rod to drive the whole oxygen supply equipment to be conveyed, and the oxygen supply equipment can be easily pushed to the side of the patient.

The invention discloses an anti-collapse inflatable oxygen inhalation mask and belongs to the technical field of medical equipment, the anti-collapse inflatable oxygen inhalation mask comprises an inner mask, an air inlet pipe and an air outlet pipe, a sleeve rope is arranged on the inner mask, a sealing cavity is formed in the position, used for making contact with the face of a patient, of the inner mask, an inner cavity of the inner mask is a breathing cavity, and the air inlet pipe is used for conveying oxygen to the sealing cavity and the breathing cavity; the air outlet pipe is communicated with the sealing cavity and the breathing cavity, and valves are arranged on the air inlet pipe and the air outlet pipe. The air pressure in the breathing cavity is larger than that in the hyperbaric oxygen chamber through the air inlet pipe, so that the inner cover can be stably supported, the inner cover is effectively prevented from collapsing and deforming due to pressure extrusion in the chamber, oxygen in the breathing cavity is prevented from leaking, the effective oxygen delivery amount is remarkably increased, and the oxygen delivery efficiency is improved. The waste of medical resources is reduced, the oxygen therapy efficiency of the patient is improved, and a good oxygen therapy effect on the patient is ensured.

The product for which the design is sought is an auxiliary device for fixing an oxygen mask, which prevents the mask from slipping when the user turns over in bed, and also allows the user to check the condition of the nose and mouth inside the mask. The structure of the auxiliary device is a regular mask with the center section cut out, and the oxygen mask is attached to the cut hole. The elastic strings of the cut mask are attached to the user's ears. Double-sided tape is attached to the back of the cut mask, firmly fixing the oxygen mask and the auxiliary device.

The utility model relates to the technical field of medical instruments, in particular to a damping air leakage valve. A damping air leakage valve comprises an upper cover, a lower cover and a main pipeline, an exhaust pipeline and an air supply pipeline are arranged in the main pipeline, and a one-way valve is arranged at the tail end of the air supply pipeline. The exhaust pipeline and the gas supply pipeline are separated through a first baffle and a third baffle; a second baffle is arranged at the tail end of the air supply pipeline, and the one-way valve is arranged on the second baffle. According to the oxygen mask, the exhaust pipeline and the air supply pipeline are arranged in the main pipeline, so that air exhaled by people can be better exhausted, and the situation that the air exhausted by people is blown into the oxygen mask by fresh air without being exhausted in time is avoided.

The utility model provides a novel dosing atomizer for pneumonia, which comprises an atomizer body, a sealing cover, an air inlet pipe, a fixing shell, a positioning frame and an exhaust pipe, the sealing cover is fixed at the upper end of the atomizer body through thread engagement, the air inlet pipe is fixed at the input end of the atomizer body, and the air inlet pipe is connected with an external oxygen tank through an air delivery pipe; a fixing shell is fixed to the outer side face of the atomizer body, a positioning frame is fixed to the outer side face of the fixing shell, and the other end of the positioning frame is fixed to a sickbed. An exhaust pipe is fixed to the output end of the atomizer body, and the other end of the exhaust pipe is fixed to an oxygen mask. Due to the arrangement of the positioning frame and the exhaust pipe, when in use, not only can the pneumonia treatment bed be suitable for upright pneumonia patients, but also the pneumonia treatment bed can be used for carrying out atomization treatment on bedridden patients.

The invention relates to the field of medical equipment, in particular to a nursing portable oxygen therapy device which comprises an oxygen therapy mechanism and an oxygen mask. The oxygen conveying mechanism communicates with the oxygen mask and is used for conveying oxygen to the oxygen mask; a pressure sensing mechanism used for responding to pressure changes in the oxygen mask is arranged in the oxygen mask, a self-adaptive opening and closing mechanism is arranged on a communication path of the oxygen mask and the oxygen conveying mechanism, and the self-adaptive opening and closing mechanism is used for controlling connection and disconnection between the oxygen mask and the oxygen conveying mechanism based on response information of the pressure sensing mechanism. According to the invention, precious oxygen resources can be almost completely used for effective breathing of a patient, so that the oxygen supply time is prolonged under the same oxygen capacity.

The utility model relates to the technical field of oxygen delivery masks, and discloses an oxygen delivery mask for a universal oxygen supply device, which comprises a mask and an air supply support buckled on the mask, a clamping frame plate is fixedly connected to the connected end face, an inlet pipe bent groove communicated with a pipeline channel is arranged on the clamping frame plate, and the inlet pipe bent groove is communicated with the pipeline channel. One end of the air supply support and a clamping frame plate are fixed to the mask in a buckled mode through a connector, a pipe outlet hole is formed in the middle of the air supply support, two air outlet pipes in the middle of the oxygen conveying pipe penetrate out of the pipe outlet hole, and the left portion and the right portion of the oxygen conveying pipe penetrate through a pipe inlet bent groove to be arranged in the pipeline channel in an interference clamping mode. According to the utility model, the air supply bracket and the oxygen therapy mask are in a split buckle design, so that each part can be conveniently and independently replaced, meanwhile, the air supply bracket can efficiently adapt to a conventional oxygen therapy tube in the market, and the stability of the oxygen therapy tube in the air supply bracket after installation is effectively ensured through a two-end interference buckle installation mode.

The utility model relates to the technical field of artificial respirators, and discloses an oxygen inhalation artificial respirator which comprises a respirator. According to the respirator, a connecting piece is arranged on the outer side wall of a mask, and the connecting piece is fixedly connected with an elastic rope; an air suction pipe is arranged on the mask in a penetrating mode, an elastic air bag is arranged at the bottom of the air suction pipe, and the elastic air bag is fixedly connected with an air storage bag through an air inlet valve; the respirator is provided with an artificial respiration device, and the artificial respiration device is characterized in that an oxygen blowing mask is arranged on an air suction pipe in a sleeving mode through an air blowing pipe, and an empty groove is formed in the air blowing pipe; a stop block is rotationally arranged on the air suction pipe through a rotating shaft, and the stop block is connected with the empty groove in a clamped mode; according to the device, the baffle block capable of being pressed is arranged on the air suction pipe, and the empty groove matched with the baffle block for clamping is formed in the air blowing pipe, so that the air blowing pipe and the air suction pipe are clamped through the baffle block, the structure is simple, and the air blowing pipe is convenient to disassemble and assemble.

The utility model provides a universal fitting oxygen mask for preventing edge air leakage, and relates to the technical field of oxygen masks, the universal fitting oxygen mask comprises a mask body, the rear surface of the mask body is uniformly and fixedly connected with a plurality of fixing columns, the rear surface of the mask body is provided with a contraction assembly, and the inner surface of the mask body is provided with a connecting assembly. When the oxygen mask is used and a patient wears the oxygen mask, the mask body and the rubber soft cushion can be pulled to the face of the patient through the elastic contraction effect of the two elastic pieces, and meanwhile the hollow columns arranged on the rear surface of the mask body slide backwards in the corresponding hollow columns to extrude the corresponding springs. The multiple springs can extrude the corresponding fixing columns under the action of reset elasticity, counter-acting force generated by the multiple springs can drive the rubber cushion to be tightly attached to the face of a patient, gaps are prevented from being generated in the edge of the oxygen mask, and therefore the oxygen conveying effect of the oxygen mask is improved.

The utility model relates to the technical field of oxygen supply devices, and discloses a plateau oxygen supply device which comprises a base, universal wheels are rotatably connected to the lower portion of the base, an oxygen bottle is fixedly connected to the upper portion of the base, a protection assembly is arranged on the upper portion of the base and comprises a back plate, and the back plate is fixedly connected with the upper portion of the base. An inclined plate is fixedly connected to the left side of the back plate, a protection box is fixedly connected to the left side of the back plate, a box cover is hinged to the upper portion of the protection box, an oxygen mask is arranged on the inner surface of the protection box, the oxygen mask is connected with an oxygen bottle through an oxygen conveying pipe pipeline, and the oxygen conveying pipe movably penetrates through the bottom of the inner surface of the protection box. A shell is hinged to the left side of the base. The oxygen bottle and the oxygen conveying pipe are protected through the shell, the oxygen mask is protected through the protection box, the shell is opened by turning leftwards, and the oxygen conveying pipe and the oxygen bottle can be conveniently maintained and overhauled.

The invention relates to a method and system for deflating an oxygen mask. The method for throwing the oxygen mask comprises the steps that the current flight scene S of an aircraft is determined, wherein the flight scene S comprises a ground station-crossing and take-off stage S1, a climbing or cruising stage S2 and a descending and landing stage S3; calculating a cabin height warning value ZCW based on the flight scene S and the cabin height value ZC; judging a jettisoning height threshold value ZD based on the cabin height alarm value ZCW; in any flight scenario, the cabin height value ZC is compared to the jettisoning height threshold ZD, and when the cabin height value ZC is greater than the jettisoning height threshold ZD, the oxygen mask is automatically jettisoned.

The utility model relates to the technical field of rescue equipment, and discloses a snowfield rescue breathing control device which comprises an oxygen mask, an oxygen pipe and an oxygen bottle, a flexible heating film is arranged on the inner surface of the oxygen mask, and a first controller and a GPS positioning module are arranged in the oxygen mask. A collecting shell is further arranged at the bottom of the oxygen mask body, absorption cotton is arranged in the collecting shell, two elastic bands are arranged on the rear side of the oxygen mask body, an oxygen spraying opening is further formed in the outer side of the oxygen mask body, and two micro fans are further arranged on the outer surface of the oxygen mask body. Wherein the two miniature fans are used for air inlet and air outlet respectively. According to the oxygen supply system, multiple anti-freezing design and the flexible solar panel power supply technology are adopted, stable operation of oxygen conveying in the low-temperature environment is guaranteed, meanwhile, long-time endurance is achieved, and compared with the prior art, the problems that an oxygen supply system is insufficient in reliability and endurance are solved.