29 results about "Hyperbaric oxygen" patented technology

The invention relates to the technical field of hyperbaric oxygen physiotherapy cabins, in particular to a terahertz wave micro hyperbaric oxygen physiotherapy cabin which comprises a cabin body, a door opening is formed in one face of the cabin body, a cabin top is installed at the top of the cabin body, and a door plate is hinged to the interior of the door opening through a hinge; the deep sea volcanic energy stone treatment device comprises a cabin, two groups of bed bodies are arranged in the cabin, the two groups of bed bodies are symmetrically mounted in the cabin, each bed body is of a hollow structure, and a plurality of terahertz wave generation modules are uniformly laid on the upper surface of each bed body through a support. The pelelith-based passive terahertz releaser formed after the pelelith-based passive terahertz releaser is combined with the ceramic matrix can continuously release terahertz waves with the frequency band of 0.1-12 THz, the vibration frequency is consistent with that of human cells, and the terahertz waves with the frequency band can repair biological enzyme and nucleic acid structure deformation caused by free radical attack and age increase through the biological resonance effect, so that the pelelith-based passive terahertz releaser can be used for repairing biological enzyme and nucleic acid structure deformation caused by free radical attack and age increase. The metabolic function is recovered from the cell molecule level, and the defect that a traditional oxygen cabin can only supply oxygen on the surface layer and cannot be deeply repaired is overcome.

1. The name of the design product: Capsule cabin (1.99 atmosphere). 2. The use of the design product: The design product is mainly used for hyperbaric oxygen therapy, health care and leisure. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

FIELD: neurology; psychiatry.SUBSTANCE: used as a non-pharmacological therapy for autism spectrum disorders in children. The method includes a set of procedures: interval hypoxic-hyperoxic training (HHT), hyperbaric oxygenation and ozone therapy. HHT consists of alternating inhalations of a hypoxic mixture with an oxygen content of 9 to 16 vol.% and a hyperoxic mixture with an oxygen content of 32 to 40 vol.% for a total duration of 45-50 minutes under the control of cardiovascular system parameters. Hyperbaric oxygenation is performed in a pressure chamber under a pressure of 1.3 atmospheres of 100% oxygen mixture, flow of 10 liters per minute, for 45 minutes using a mask. Ozone therapy is performed by rectal insufflation with an ozone-oxygen mixture with an ozone concentration of 85 μg / ml in a volume of 20–30 ml or by intravenous administration of a physiological solution enriched with ozone with an ozone concentration of 85 μg / ml at a rate of 200 ml per 100 ml of physiological solution. The procedures are carried out daily for 12 days.EFFECT: method is effective and has a positive impact on the patient’s condition.1 cl, 1 dwg, 3 ex

1. Name of the product in this design: Oxygen Chamber. 2. Purpose of this design: This design is mainly used for hyperbaric oxygen therapy and health care. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Compositions comprising Lumbricus terrestris erythrocruorin (LtEc) as an oxygen carrier for use in transfusion and organ perfusion are provided. In particular, methods of using acellular compositions comprising LtEc as a universal blood substitute for transfusion of patients are provided. The methods also include ex vivo perfusion of an organ or tissue with an oxygenated acellular perfusate comprising LtEc as an oxygen carrier. Additionally, methods are provided for using compositions comprising LtEc in treatment of acute ischemia and hyperbaric oxygen therapy.

The invention relates to the field of medical apparatus and instruments, and discloses an anesthesia system and a medical device.The anesthesia system comprises a gas source module, a flow monitoring module, an anesthetic gas conveying system, a waste gas purification system, a rapid oxygenation module, a hyperbaric oxygen module, a negative pressure suction system, a manual control module and an auxiliary ventilation branch; the anesthetic gas conveying system provides anesthetic support and first respiratory support for a patient, the rapid oxygenation module provides second respiratory support for the patient, the air inlet end of the auxiliary ventilation branch is connected with the flow monitoring module, the air outlet end of the auxiliary ventilation branch is connected with the inspiration branch, and third respiratory support is provided for the patient. Various ventilation functions are integrated together, the application range of the anesthesia system can be expanded, use of extra equipment is reduced, the burden of a user is relieved, meanwhile, the auxiliary ventilation branch and an original anesthesia gas path share the flow adjusting, monitoring and oxygen concentration monitoring functions, the gas path structure is simplified, the cost of the anesthesia system is reduced, and the workload of the user is relieved.

1. The name of the design product: single seat cabin (QYCB). 2. The use of the design product: the design product is used for hyperbaric oxygen therapy and health care. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a preparation method and application of a calcium carbonate nano-drug. Calcium carbonate nano-particles are used as carriers, the cost is low, preparation is simple, mass production can be achieved, the calcium carbonate nano-drug can decompose and consume H in a tumor weakly acidic microenvironment so as to increase the pH value of the tumor microenvironment, meanwhile, accumulation in vivo is avoided, and additional toxic and side effects are avoided; hyaluronic acid (HA) is adopted to modify a carrier, the carrier can be specifically combined with a tumor cell CD44 receptor, and high permeability and retention effect (EPR) of nanoparticles are combined, so that targeting is enhanced, and the enrichment amount of a photosensitizer at a tumor part is increased; in addition, by loading the photosensitizer hypocrellin (HB), the problems of hydrophobicity and aggregation of the photosensitizer are effectively improved, and the PDT efficiency is improved; and in combination with a hyperbaric oxygen therapy, the tumor hypoxia microenvironment is synchronously improved, the curative effect bottleneck caused by hypoxia of PDT is broken, and a synergistic effect of'targeted delivery-microenvironment regulation-efficient PDT 'is formed.

A two-stage reverse type non-unloading high-pressure oxygen pressure reducing valve, comprising: a primary pressure reducing valve and a secondary pressure reducing valve; the outlet of the primary pressure reducing valve and the inlet of the secondary pressure reducing valve are communicated to form a gas flow channel; a valve core structure is arranged in the primary pressure reducing valve and the secondary pressure reducing valve; the valve core structure comprises a primary valve and a secondary valve which are used in cooperation to control the gas pressure in the gas flow channel; the primary valve is installed at the inlet of the primary pressure reducing valve; and the secondary valve is installed at the inlet of the secondary pressure reducing valve. The device product adopts a two-stage reverse type non-unloading pressure reducing structure design, which is compact and simple, can fully utilize the force of the gas pressure at the inlet of the primary pressure reducing valve and the force of the gas pressure at the outlet of the secondary pressure reducing valve as the sealing force of the valve, realizes the good cutoff function of the primary valve and the secondary valve in the zero-flow working state, and at the same time, the output pressure of the gas can be stabilized after the secondary pressure reducing, and the output pressure precision of the product is improved.

The utility model discloses a crossover coupling of a metal tracheostomy tube, and relates to the technical field of medical instruments. The connector comprises an adapter, a pipe sleeve connector is arranged on one side of the adapter, a first connector is arranged on the other side of the adapter, and a second connector is arranged on the top of the adapter. An adapter assembly is arranged on the surface of the adapter, the adapter assembly comprises a left connector, the left connector is fixedly connected to one side of the adapter, and an upper thread is formed in the surface of the left connector. According to the utility model, through the arrangement of the multi-interface switching assembly, the quick connection and switching of the metal tracheostomy tube, the respirator and the hyperbaric oxygen equipment are realized, the problem that the existing adapter can only adapt to single equipment is solved, medical personnel can quickly switch the equipment through threaded connection without replacing the adapter, the rescue time is remarkably shortened, and the rescue efficiency is improved. The operation process is simplified, and the method is especially suitable for emergency rescue scenes.

The utility model discloses a high-pressure oxygen atomization synchronous breathing assist device, which belongs to the technical field of breathing assist devices, and comprises a connecting end, a gas guide tube, a mixer, a sleeve, a mask and an atomizing head, the connecting end is communicated with the mixer through the gas guide tube, the sleeve is arranged outside the mixer, the mask is arranged on the sleeve, and the atomizing head is arranged on the connecting end. And the atomizing head is arranged on the mask and is communicated with the mixer. The one-way communicating pipe connected with the second connecting pipe is in a closed state, and when liquid medicine is injected into the mixer through the injection pipe, the one-way communicating pipe connected with the first connecting pipe is in a closed state, and the one-way communicating pipe connected with the second connecting pipe is in an open state, so that injection of the liquid medicine is realized; therefore, liquid medicine can be supplemented in time, and the problem that the mask needs to be taken down to inject the liquid medicine again when the liquid medicine amount is insufficient is solved.

The invention discloses ROS / pH double-response drug-loaded gel and a preparation method and application thereof, and belongs to the field of medical materials.The preparation method comprises the steps that sodium hydroxide, 2-mercaptoethanol and an iodomethane ethanol solution are adopted for preparing an intermediate 2-(methylthio) ethanol; the preparation method comprises the following steps: dissolving an intermediate 2-(methylthio) ethanol in dichloromethane, and adding triethylamine, 4-dimethylaminopyridine, methacryloyl chloride and a hydroquinone polymerization inhibitor to obtain a thioether group-containing ROS response monomer methacrylic acid-2-(methylthio) ethyl ester; the preparation method comprises the following steps: dissolving diethylaminoethyl methacrylate, polyethylene glycol methyl ether methacrylate and ethyl alpha-bromoisobutyrate in methylbenzene, and adding CuBr and PMDETA to obtain a pH responsive copolymer; and dissolving the pH responsive copolymer and methacrylic acid-2-(methylthio) ethyl ester in PBS, adding an AMO inhibitor and NT-3, and carrying out chemical crosslinking or photo-crosslinking to obtain the ROS / pH dual-responsive drug-loaded gel. The ROS / pH double-response drug-loaded gel disclosed by the invention is combined with hyperbaric oxygen therapy, so that optimized spinal cord injury repair can be realized.

The utility model discloses a high-pressure oxygen eyeshade which comprises eyeshade bodies, the eyeshade bodies cover the eyes and comprise two independent eyeshade bodies, gaskets are arranged at the positions, making contact with the skin, of the eyeshade bodies, the gaskets are hollow, oxygen circulates in the gaskets, and a plurality of air supply holes are formed in the side faces, located in the eyeshade bodies, of the gaskets. The two cover bodies are respectively provided with an adjustable pressure reducing valve; the gasket is communicated with an external oxygen supply system through the air inlet pipe; the head band comprises an annular band and a top band, the two ends of the annular band are connected to the two sides of the mask body respectively, and the head band is adjustable in length and elastic; one end of the top belt is connected with the cover body, and the other end is connected with the ring belt, so that the length can be adjusted; the included angle between the annular belt and the top belt is variable. When the eyeshade is used, oxygen is guided in through the gasket, and the oxygen can be closer to an eyeball through the air supply hole, so that the oxygen concentration in the eyeshade and near the eyeball is always at a higher level in a region.

The utility model discloses a fixing suit for hyperbaric oxygen therapy, which relates to the technical field of medical protection and comprises a fixing suit body, a protective pad is arranged in front of the chest of the fixing suit body, an anti-tightening belt is arranged on the protective pad, and adjusting components are arranged at two ends of the anti-tightening belt. By arranging the protective pad, the anti-tightening belt, the adjusting assembly and the inserting and fixing assembly, when a patient is treated, the protective pad and the anti-tightening belt improve protection of the patient during treatment and fixation, the patient is prevented from being pressed when fixed, and the patient can be prevented from being damaged. Meanwhile, the arrangement position of an anti-tightening belt can effectively prevent the patient from sliding off from the lying treatment chair, the adjusting assembly can adjust the tightness degree of the fixing clothes when the fixing clothes are fixed, after the patient is fixed, when the patient wants to take food, go to the toilet and the like, the medical staff only needs to pull out the insertion fixing assembly and insert the insertion fixing assembly in the same way, and therefore the medical staff can conveniently take the treatment chair. Therefore, the operation is very convenient.

This invention introduces the use of high dissolved oxygen levels exceeding 185%, delivered through fluids, aqueous solutions, gels, hydrogels, creams, aerosol sprays or micro- encapsulation, for treatment of wounds, burns, ischemia, neuropathy, skin-related conditions, skin grafts, and bovine mastitis. Unlike traditional Hyperbaric Oxygen Therapy (HBOT), this method provides a targeted, noninvasive approach, ensuring optimal oxygen availability at the cellular level. Unlike traditional HBOT the patient does not have to be referred for treatment and can self-treat at home. The composition enhances therapeutic outcomes by promoting cell proliferation, reepithelialization, collagen synthesis, and angiogenesis while reducing infection risks and inflammation. The vehicle stabilizes the high dissolved oxygen and facilitates its effective application. This invention addresses the limitations of existing oxygen delivery mechanisms, offering a versatile and efficient solution for tissue oxygenation and accelerated healing in both human and veterinary medicine.

The utility model provides a cable penetrating pipe sealing structure of a high-pressure oxygen system, a cable penetrating pipe comprises a pipe part and a cap part constructed on the end side of the pipe part, and the pipe part penetrates through a composite gas cylinder and is tightly connected with the inner peripheries of a head-end cylinder mouth and a tail-end cylinder mouth of the composite gas cylinder in an abutting manner through a sealing piece; a step table is constructed in a tail end bottle mouth of the composite gas cylinder, the two ends of the cap part are connected with the step table and the locking piece in a tightly abutting mode respectively, and the locking piece is detachably connected with the inner circumference of the tail end bottle mouth of the composite gas cylinder; the pipe part of the cable penetrating pipe penetrates through the composite gas cylinder, and the sealing ring sleeved on the periphery of the pipe part is embedded with the inner peripheries of the head end bottle mouth and the tail end bottle mouth of the composite gas cylinder, so that the sealing among the pipe part, the head end bottle mouth and the tail end bottle mouth is realized; the step table and the threaded pressing ring are used for clamping and abutting against the cap portion of the cable penetrating pipe so that the cable penetrating pipe can be axially limited, and the cable penetrating pipe can be prevented from being disengaged from the composite gas cylinder on the premise that the sealing performance is guaranteed.

1. The name of the design product: oxygen cabin (hard high pressure multi-person sitting cabin). 2. The use of the design product: for hyperbaric oxygen therapy and health care. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The invention discloses a vehicle-mounted oxygen generator with an oxygen storage function and a control method, the vehicle-mounted oxygen generator comprises a compressor gas supply assembly and an oxygen generation molecular sieve assembly, the compressor gas supply assembly compresses atmospheric conventional gas and then presses the compressed atmospheric conventional gas into the oxygen generation molecular sieve assembly, and the vehicle-mounted oxygen generator further comprises a high-pressure gas storage assembly which is connected with the oxygen output end of the oxygen generation molecular sieve assembly and is used for storing oxygen. The high-pressure oxygen storage assembly comprises an oxygen concentration sensor, a high-pressure oxygen switching valve, a booster compressor and a high-pressure oxygen storage tank which are sequentially connected in series, the high-pressure oxygen switching valve is further connected with a waste oxygen discharging pipeline, and the high-pressure oxygen storage tank is provided with a pressure sensor and externally connected with a pressure release valve; the control unit is electrically connected with the compressor air supply assembly, the oxygen generation molecular sieve assembly and the high-pressure air storage assembly. According to the vehicle-mounted oxygen generator, various problems that an existing consumer-level oxygen generator is used for vehicle-mounted oxygen generation and the NVH feeling of passengers is affected due to the fact that oxygen cannot be used at any time when an existing vehicle-mounted oxygen generator is used can be solved.

The invention discloses a special oxygen inhalation pipeline drying and disinfecting device for the hyperbaric oxygen department, and belongs to the technical field of medical instrument disinfection. The device comprises a cabinet body and a disinfection drying chamber in the cabinet body, a negative ion blower and a vibration generator are arranged at the top of the cabinet body, an output interface end is arranged at the bottom of the vibration generator and penetrates through the disinfection drying chamber to be detachably connected with a hose supporting mechanism, the hose supporting mechanism is used for winding and fixing an oxygen inhalation hose, and a drawing box is arranged at the bottom of the hose supporting mechanism; the oxygen inhalation masks are placed on the two sides of the drawing box, and a negative pressure guide hole is formed in the top of the drawing box and communicated with the air cavity in the function box on the back of the cabinet body. Ultraviolet lamps are embedded in the two sides of the sterilizing and drying chamber, and aluminum plates are arranged on the cabinet door and the inner wall and used for ultraviolet reflection. During work, hot air enters the through oxygen uptake pipeline through the air outlet hole, water is promoted to be discharged in cooperation with negative pressure guiding and micro-vibration, meanwhile, ultraviolet radiation and negative ion purification are conducted, efficient drying and disinfection are achieved, the treatment time is shortened, and the risk of bacterium breeding and cross infection is reduced.

The invention relates to the technical field of medical equipment, and discloses a radiotherapy adaptive after-loading transfer bed with a sterile oxygen supply and self-cleaning system, an oxygen supply system, a self-cleaning system and a body position fixing system. The bed board is arranged at the top of the bed frame, the bed board is made of a carbon fiber composite material and is free of metal parts, and an electric lifting mechanism is arranged on the bed frame; the radiotherapy adaptive after-loading transfer bed with the sterile oxygen supply and self-cleaning system comprises a foldable cover body, an HEPA-UV circulation system and a magnetic sealing strip, wherein the foldable cover body is made of a medical-grade transparent PETG material. According to the radiotherapy adaptive after-loading transfer bed with the sterile oxygen supply and self-cleaning system, through the carbon fiber bed plate and the electric lifting mechanism, the radiotherapy adaptive after-loading transfer bed can be adaptive to CT / MRI image guide radiotherapy and can be matched with the height of an accelerator treatment table; the radiotherapy adaptive after-loading transfer bed with the sterile oxygen supply and self-cleaning system is combined with an HEPA-UV circulation system, so that a continuous sterile environment can be provided, and the infection risk is reduced; due to the multi-channel oxygen supply design and the standby high-pressure oxygen tank, oxygen supply stability in the patient transfer process can be guaranteed; the body position fixing system achieves a fixing error smaller than or equal to 2 mm through negative pressure adsorption, and the radiotherapy positioning precision is ensured.

1. Name of the product in this design: Oxygen Chamber (Soft). 2. Purpose of this design: To provide a precise and controllable micro-hyperbaric oxygen environment for the human body. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model provides a negative pressure suction and local hyperbaric oxygen therapy combined device, which relates to the technical field of medical treatment and comprises a rescue box, a partition plate is fixedly connected inside the rescue box, and the inside of the rescue box is partitioned by the partition plate. The second collecting frame and the negative pressure suction machine body are combined in the rescue box, the problems of wound debridement and oxygen deficit can be solved at the same time, bacteria, toxins and wound necrotic tissue in seawater can be effectively removed for a wound soaked in the seawater and a chronic wound infected by anaerobic bacteria, and the wound debridement and oxygen deficit can be effectively removed for the wound soaked in the seawater and the chronic wound infected by anaerobic bacteria. Compared with a pure NPWT or TOT technology, the negative pressure suction machine has the advantages that the cure rate is greatly increased, the healing time is shortened, certain portability can be achieved due to the fact that the second collecting frame and the negative pressure suction machine body are combined in the rescue box, and when a user uses the negative pressure suction machine, the negative pressure suction machine can be conveniently used by the user. And the device can be quickly moved.

The invention discloses an application of a hyperbaric oxygen-induced sodium channel active marker in epilepsy susceptibility evaluation. Belongs to the technical field of biomedicine. In the application, a sodium channel active marker comprises peripheral blood sodium channel protein, peripheral blood phosphorylated sodium channel protein, neuron-specific enolase, S100B protein and epilepsy discharge frequency. The high-pressure oxygen induction condition is that the pressure is increased to 2.0 absolute atmospheric pressure within 15 min, then pure oxygen is absorbed for 1 h under the stable pressure condition, and finally the pressure is reduced to normal pressure at a constant speed within 15 min. The method has the advantages of being high in evaluation accuracy and small in harm to human bodies, and the problem that in the prior art, epilepsy susceptible high-risk groups cannot be screened is effectively solved.

The utility model relates to the technical field of medical instruments, in particular to an air purification device for a hyperbaric oxygen chamber, which greatly relieves the pressure of a subsequent purification link, provides a powerful guarantee for the overall air purification effect, saves a large amount of expenditure and improves the cost performance and market competitiveness of equipment, and comprises a shell, a storage box used for storing liquid is installed in the shell, an air inlet pipe is installed on the shell, a pump body used for providing power for air conveying is installed on the air inlet pipe, the air outlet end of the air inlet pipe is arranged in the storage box and is not below the liquid level of the liquid, the liquid conducts primary purification on air conveyed by the air inlet pipe, and a filtering assembly is installed in the shell. The filtering assembly is arranged in the sleeve and used for filtering air subjected to primary filtering of liquid again, the filtering assembly is installed in the sleeve, a flow channel through which the air flows is formed in the sleeve, a cover body is arranged at the top of the sleeve and detachably connected with the shell, a handle is arranged on the cover body, and the storage box is detachably connected with the shell.

The utility model provides a modularized micro-hyperbaric oxygen anion cabin, which relates to the field of ion cabin equipment and comprises a cabin body, a cabin door, a cabin cover and a cover plate, and the cabin entering auxiliary plate is arranged at the inlet of the cabin door and used for assisting a user in entering the cabin, and the cabin entering auxiliary plate is limited to the corresponding position of the cabin body through cooperation of the upper positioning piece and the lower positioning piece and fixed through the fixing assembly. According to the hyperbaric oxygen treatment cabin, the cabin entering auxiliary plate is arranged at the cabin door to serve as a barrier-free channel and a wheelchair ramp, the disabled and the old can enter and exit the cabin body conveniently, the applicability and accessibility of hyperbaric oxygen treatment to the crowd are improved, and the humanized design and caring for special crowds are embodied. The cabin entering auxiliary plate is limited through cooperation of the upper positioning piece and the lower positioning piece, is fixed through the fixing assembly and can be rapidly and accurately installed to a proper slope without complex measurement, operation is easy and convenient, and installation time and labor cost are saved.

This invention discloses a ROS / pH dual-responsive drug-loaded gel, its preparation method, and its application, belonging to the field of medical materials. The method includes: preparing an intermediate 2-(methylthio)ethanol using sodium hydroxide, 2-mercaptoethanol, and iodomethane ethanol solution; dissolving the intermediate 2-(methylthio)ethanol in dichloromethane, adding triethylamine, 4-dimethylaminopyridine, methacryloyl chloride, and hydroquinone polymerization inhibitor to obtain a ROS-responsive monomer, 2-(methylthio)ethyl methacrylate, containing a sulfide group; dissolving diethylaminoethyl methacrylate, polyethylene glycol methyl ether methacrylate, and ethyl α-bromoisobutyrate in toluene, adding CuBr and PMDETA to obtain a pH-responsive copolymer; dissolving the pH-responsive copolymer and 2-(methylthio)ethyl methacrylate in PBS, adding an AMO inhibitor and NT-3, and obtaining the ROS / pH dual-responsive drug-loaded gel through chemical crosslinking or photocrosslinking. The ROS / pH dual-responsive drug-loaded gel of this invention, combined with hyperbaric oxygen therapy, can achieve optimized spinal cord injury repair.

The invention relates to the technical field of medical informatization, in particular to an automatic control system for a hyperbaric oxygen nursing process. The invention discloses a system named as an automatic control system for a hyperbaric oxygen nursing process, aiming at solving the limitations of insufficient multi-parameter understanding, passive monitoring and insufficient path optimization in the existing hyperbaric oxygen treatment. The system comprises a data acquisition and preprocessing unit, a core control and decision-making unit, an execution and adjustment unit and a man-machine interaction and remote monitoring unit. Wherein the core control and decision-making unit realizes closed-loop adaptive control of hyperbaric oxygen therapy based on dynamic patient physiological modeling, physiological state evaluation and risk prediction, and a multi-objective optimization decision and model prediction control (MPC) framework. According to the scheme, multi-parameter coupling can be deeply understood, individual tolerance can be responded in real time, individualized and dynamic adaptive optimization is achieved, and safety, effectiveness and accuracy are remarkably improved.

The utility model relates to the technical field of oxygen inhalation masks, and particularly discloses a hyperbaric oxygen nursing mask which comprises a mask body, a connecting pipe is arranged in the middle of one side of the mask body, an atomizing plug is arranged at one end of the connecting pipe, an atomizing pipe is arranged on one side of the atomizing plug, and a connecting pipe is arranged on the other side of the connecting pipe. An air bag is arranged on the side, close to the face, of the mask body, the wearing structure is arranged on the side, provided with the air bag, of the mask body, and the wearing structure is used for fixing the mask body. Moreover, the mask is more comfortable to wear, the whole head of a patient does not need to be moved, the ends, with the soft cushions, of the ear belts can be worn only by adjusting the adjusting clamps, and the defect that the oxygen inhalation mask is not stable enough to wear is effectively overcome.

The utility model relates to the field of pressure sore prevention pad cutters, and provides a cutter for a pressure sore prevention pad of a high-pressure oxygen breathing tube, the cutter comprises a base, a pressing seat and a cutter, the pressing seat is provided with a cutting surface facing the base, the cutter is arranged on the cutting surface, the cutter comprises a first cutter and a second cutter, the first cutter is arranged on the cutting surface, and the second cutter is arranged on the cutting surface. The direction, facing or deviating from the first cutter, of the second cutter is the sliding direction, the second cutter is arranged on the cutting face in a sliding mode in the sliding direction, and a cutting area is formed between the first cutter and the second cutter. According to the dressing cutting device, the cutter is arranged on the pressing base, when the pressing base is driven to move towards the base, the cutter can cut the dressing located on the base, and the width of the cut dressing can be adjusted by adjusting the distance between the first cutter and the second cutter before the dressing is cut, so that the dressing cutting device is suitable for being used by different patients.