53 results about "Positive pressure ventilation" patented technology

The invention belongs to the technical field of positive pressure ventilation, and particularly relates to an airway respiration supporting positive pressure ventilation device which comprises an assembly frame, a humidifier is installed above the assembly frame, an oxygen input port is installed above the humidifier, an atomization inhalation connecting port is formed in the front end face of the humidifier, and an air inlet is formed in the front end face of the atomization inhalation connecting port. An oxygen output port is formed in the front end face of the humidifier and located on one side of the aerosol inhalation connecting port, and the oxygen input port, the aerosol inhalation connecting port and the oxygen output port are all connected with guide pipes. During working, the conduits at different positions are installed in the oxygen input port, the aerosol inhalation connecting port and the oxygen output port respectively, the mask connected with the conduits is placed on the face of a patient, and then continuous positive pressure airflow generated by an external host enters the humidifier through the oxygen input port; the oxygen is discharged into the mask from the oxygen output port of the humidifier and the catheter and enters the airway of the patient, the airway can be expanded from the outside, and it is guaranteed that air can enter the mask smoothly.

1. The name of the design product: frequency conversion cabinet (positive pressure ventilation device). 2. The use of the design product: the design product is used for speed regulation and operation control of electric machines. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses a high-voltage shore power safety access system and method for a ship danger area. The system comprises a high-voltage shore power connection cabin located in a dangerous area of a midship of a ship, a high-voltage shore power socket connected with a high-voltage shore power access distribution board is arranged in the high-voltage shore power connection cabin, a first multi-parameter safety assembly is arranged on the inner side of the cabin wall of the high-voltage shore power connection cabin, and a first airtight through piece is arranged on the cabin wall of the high-voltage shore power connection cabin; the positive pressure ventilation unit is located in a ship safety area and connected with the high-voltage shore power connection cabin through a ventilation pipeline so as to guarantee that the interior of the high-voltage shore power connection cabin is the safety area. The emergency warning control assembly is arranged on one side outside a cabin door of the high-voltage shore power connection cabin; the central control monitoring unit is electrically connected with the high-voltage shore power access distribution board, the positive-pressure ventilation unit, the first multi-parameter safety assembly and the emergency warning control assembly. According to the invention, the problems of uncontrollable safety risk, mismatching with the layout of an oil wharf and poor adaptability with different ship type scales when a high-voltage shore power system is arranged in a dangerous area can be solved.

1. Name of the designed product: Positive airway pressure therapy machine (SS100). 2. Use of the designed product: To provide help for people with breathing difficulties. 3. Design points of the designed product: In shape. 4. Picture or photo that best shows the design points: Perspective view.

This product is the main unit of a positive airway pressure (CPAP) device, which is used, for example, in the treatment of sleep apnea syndrome (SAS). A positive airway pressure (CPAP) device, also known as a CPAP device, works by supplying pressurized air to the user's airway to prevent apnea during sleep, thereby reducing snoring and improving sleep quality. The main unit has a hose connection port, and a hose with a mask attached is connected to it.

The invention relates to the technical field of greenhouse ventilation, and discloses a positive-pressure ventilation type glass greenhouse which comprises a glass greenhouse body, a first communication assembly, a second communication assembly, a wet curtain, a movable shielding assembly, a ventilation pipeline and a fan, the glass greenhouse body internally comprises a climate chamber and a planting chamber which communicate with each other, and an air inlet is formed in one side of the climate chamber; a second communication assembly is arranged in the air inlet, a wet curtain and a movable shielding assembly are arranged in the climate chamber, and a ventilation pipeline and a fan are arranged at the bottom of the planting chamber; by means of the partition design of the climate chamber and the planting chamber, in cooperation with the double cavities separated by the vertical wet curtain and the movable shielding assembly at the top of the wet curtain, independent humidification or non-humidification of air sucked in from the outside and air in the greenhouse body can be flexibly switched, the single mode of traditional'exogenous humidification 'is broken through, and the internal circulation humidification function is achieved; and meanwhile, by means of control over the air circulation channel through the first communication assembly and the second communication assembly, the humidification requirement of internal circulation can be met.

An inline muffler for use with a positive airway pressure (PAP) apparatus. The muffler may provide an expansion chamber with baffles that capture acoustic energy using, for instance, a disruptive gas flow path to effectively reduce downstream noise associated with a flow of pressurized gas produced by the PAP apparatus. In some embodiments, the muffler is constructed of two mostly identical halves with baffle segments being integrally formed therewith.

The trachea cannula with the pressure measuring function comprises a cannula body, an air inflation structure and a pressure measuring structure, a spherical air bag is arranged at one end of the cannula body, and the air inflation structure and the pressure measuring structure are both arranged at the other end of the cannula body; the inflation structure comprises a first capillary tube and an inflation rubber ball, the first capillary tube is communicated with the spherical air bag through a tube body, the inflation rubber ball is arranged at the tail end of the first capillary tube and used for inflating the spherical air bag, and a pressure relief valve used for deflating is further arranged on the first capillary tube; the pressure measuring structure comprises a second capillary tube and a pressure detection meter, one end of the second capillary tube is communicated with the spherical air bag, and the other end is connected to the pressure detection meter. The trachea cannula can be inflated and subjected to pressure measurement, the pressure of the spherical air bag can be visually detected, operation is easy, it is ensured that the pressure of the air bag is within a proper range, the functions of the air bag for sealing an air channel, guaranteeing positive pressure ventilation, preventing aspiration and reducing VAP breathing machine related pneumonia are fully played, and the safety of a patient is guaranteed.

Transvascular diaphragm pacing systems (TDPS) and methods are disclosed for providing respiratory therapy to a patient. The TDPS can provide rapid insertion and deployment of endovascular pacing electrodes in critically ill patients who require intubation and invasive PPMV in order to support the physiological requirements of the human ventilatory system. The systems and methods make best use of the contractile properties of the diaphragm muscle and prevent muscle disuse and muscle atrophy. This can be carried out by engaging the phrenic nerves using patterned functional electrical stimulation applied to endovascular electrodes that are temporarily and reversibly inserted in central veins of the patient, such as the left subclavian vein and the superior vena cava. The TDPS can be designed to seamlessly interface with any commercially available positive-pressure ventilatory assistance / support equipment such as is commonly in use in hospital intensive care units (ICU) for treating critically ill patients with breathing insufficiencies, pain, trauma, sepsis or neurological diseases or deficits.

The invention belongs to the technical field of goaf air leakage measurement, and particularly relates to an accurate goaf air leakage measurement method. The method comprises the following steps: firstly, determining a release point position and a plurality of measuring point positions in a working surface area; then, the SF6 tracer gas with different volumes is instantly released twice in sequence at the position of the release point; then, monitoring the concentration of the SF6 gas in real time at each measuring point position; finally, the air volume of each measuring point position and the air leakage amount between the measuring point positions are calculated through a formula, and then the air leakage area and the air leakage direction are accurately judged. The goaf air leakage accurate measuring method is wide in application range, the air volume of each measuring point position and the air leakage amount between the measuring point positions can be accurately calculated under the positive pressure ventilation condition or the negative pressure ventilation condition, and the air leakage direction is judged; the method also has the advantages of being accurate in calculation result, low in implementation cost, recyclable in equipment and the like.

The application provides a closed oxygen supply ventilation device and an oxygen supply system, and relates to the technical field of oxygen supply. The closed oxygen supply ventilation device comprises an oxygen supply pipeline and a sealing assembly. The oxygen supply pipeline is used for cooperating with a patient and can provide oxygen for the patient through the nasal cavity of the patient. The sealing assembly comprises a nasal plug and a connecting piece. The connecting piece is connected to the nasal plug and the oxygen supply pipeline. The nasal plug is used for closing the nasal cavity of the patient without the oxygen supply pipeline. The device can continuously and effectively ensure the air tightness of the nasal cavity position of the patient during operation, is not easy to leak at the nasal cavity position, can provide positive pressure ventilation, and is not easy to leak and cause environmental pollution in the operating room when inhaling anesthetic drugs.

The claimed article is a piezo holder mechanism, which is a holder for a piezo used in combination with a device for cleaning hoses and masks for CPAP (Continuous Positive Airway Pressure).

The present invention teaches systems, devices, and methods to monitor the correct positioning of a positive airway pressure (PAP) mask. In the system, a PAP mask monitor is configured to capture sound from a PAP device over a first period of time; capture sound from a patient breathing over the first period of time; determine a difference between the PAP device sound and the patient breathing sound over the first period of time; and identify, based on a fast Fourier transform (FFT) analysis a selected frequency that can distinguish the patient's breathing from other noise. The PAP mask monitor is further configured to assert a dislodged mask alert signal if a breathing event is not detected during a determined apnea time window; and communicate an alarm signal to a smart wearable device that will awaken the patient so that the mask can be re-positioned properly.

1. Name of the design product: positive pressure ventilation mask. 2. Use of the design product: the design product is used for positive pressure ventilation of patients in clinical anesthesia and first-aid work. 3. Design points of the design product: in the combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view 1.

This invention relates to an automatic system and method for ensuring safe ventilation distance between the ventilation duct and the face in a fully mechanized tunneling face. The system includes a telescopic ventilation duct, a positive pressure ventilation duct, a supply ventilation duct, hydraulic supports, a slide rail, and a self-propelled tracked platform. The slide rail is supported by hydraulic supports and is located on one side of the coal face. The supply ventilation duct and the telescopic ventilation duct are connected in series and suspended on the slide rail. The slide rail moves along the slide rail to adjust the position of the ventilation duct. A hydraulic cylinder is installed on the tracked platform and fixedly connected to a connecting rod. Driven by the tracked platform, the supply ventilation duct moves along the slide rail to ensure a safe ventilation distance. The system is equipped with lidar ranging, a hydraulic pump station, and a control system. It can automatically measure the distance between the ventilation duct and the face, the position of the tracked platform, and the height of the ventilation duct. Based on the data, it controls the tracked walking device, hydraulic supports, and cylinders to make precise adjustments, ensuring that the distance between the ventilation duct outlet and the face is always maintained within 5-10 meters. This invention improves ventilation, gas dilution, and dust removal efficiency by ≥80% through an automated adjustment mechanism, reduces labor intensity and labor costs, and enhances system stability and adaptability, resulting in significant safety benefits and economic value.

The application discloses a ventilation mode control method and a breathing machine in the technical field of respiratory medical equipment, reconstructs pressure distribution in a breathing cycle, adopts a control strategy that inspiratory airway positive pressure is lower than expiratory airway positive pressure, actively reduces pressure to a lower release level to reduce inspiratory load when detecting patient inspiration, and smoothly restores pressure to a higher treatment pressure at the end of expiration to establish support for the next inspiration cycle. The method is realized in the breathing machine through cooperative control of a sensing unit, a processing unit and a pressure generating unit, solves the technical problem that the existing continuous positive airway pressure mode maintains constant high pressure in the whole breathing cycle, causes heavy load and poor comfort during patient inspiration and most of the expiration stage, and improves the overall comfort and long-term use compliance of treatment while ensuring equivalent airway support and treatment effect of the traditional mode.

1. The name of the design product: mask set (F40). 2. The use of the design product: used for covering the mouth and nose and other parts, cooperating with the ventilation system to realize the positive pressure ventilation function, assist breathing, provide oxygen or protective isolation. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

1. Name of the product in this design: Continuous Positive Airway Pressure Therapy Machine. 2. Purpose of this design: This design is a medical device product used to replace, control, or alter human physiological breathing and to treat sleep apnea syndrome. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A respiration device is for positive pressure ventilation and continuous positive airway pressure treatment for neonatal resuscitation. The respiration device includes a body part with a) a breathing gas inlet fluidly couplable to a breathing gas supply, b) a breathing gas outlet in fluid communication with the breathing gas inlet and fluidly couplable to a patient interface, c) a first outflow port, and d) a second outflow port for releasing breathing gas from the body part, the second outflow port being fluidly couplable to one or both an expiration valve and an expiratory branch of a ventilation machine; and a continuous positive airway pressure, CPAP, generator fluidly coupled between the breathing gas inlet and the breathing gas outlet to generate a positive end-expiratory pressure for CPAP treatment. The respiration device is operable in a CPAP mode for CPAP treatment and a positive pressure ventilation, PPV, mode for PPV treatment.

The invention is broadly directed to a series of sensors for measurement of the pressure of contact of a face mask or other respiratory interface in a positive airway pressure device. Contact pressure measurements are performed through a single or an array of sensors which can be embedded into or coupled onto the positive airway pressure device / system to assess the contact pressure and / or its regional distribution applied to the subject by the respiratory interface. The invention includes the capacity to process the measured information along with measured airway pressure to allow closed-looped adjustment of the mask position and application to the face.

A ventilator including a housing having a front panel, and a rear panel opposite the front panel and configured to couple to the front panel, and a modular fan assembly disposed within the housing. The modular fan assembly includes a blower configured to generate airflow and generate positive pressure ventilation.

A positive airway pressure device is used to solve the problem of inconvenient use of the known positive airway pressure device and comprises: a tube including an inner end hole and an outer end hole intercommunicating with the inner end hole, with the outer end hole being smaller than the inner end hole, with the tube adapted to be inserted into a nasal cavity; and a two-way valve located in the tube, with the two-way valve moving axially between the inner end hole and the outer end hole, and with the two-way valve including a fluid passage intercommunicating with the inner end hole and the outer end hole.

The utility model relates to a respiratory mask relates to the positive pressure ventilation technical field, the utility model discloses a respiratory mask, including gasket subassembly and headband connecting subassembly, one side of gasket subassembly is used for with the face of user contact, and the other side of gasket subassembly is used for with headband connecting subassembly links, gasket subassembly is close to the one side of headband connecting subassembly and is provided with first opening, and first opening corresponds to the mouth and / or nose position of user, is provided with the connecting portion of first opening on first opening can cover first opening, therefore the exhaust hole on the connecting portion of corresponding position with first opening is closer to the mouth and nose of user, thereby the exhaust path of exhaust through first opening and exhaust hole is shorter, can therefore reduce the dead space of respiratory mask, accelerate the exhaust rate of user exhalation gas, reduce carbon dioxide residual in chamber, avoid causing the problem that carbon dioxide content is relatively higher in respiratory mask.

The invention relates to the technical field of medical instruments, in particular to a supraglottic positive pressure airway and application thereof.The supraglottic positive pressure airway achieves excellent positioning precision and stability through the innovation points such as concave cavity layered design, epiglottis support, arc-shaped groove and multi-channel design, meanwhile has good ventilation and drainage functions, and has the advantages of being simple in structure and convenient to use. According to the novel structural design, the epiglottis is lifted and matched with the throat, the problem that the throat is not completely closed in the prior art can be effectively solved, and therefore the safety and effectiveness of airway management are remarkably improved, the defects in the prior art are overcome, and more reliable technical support is provided for clinical airway management.

The invention discloses an anaesthesia machine and a control method of the anaesthesia machine. The safety of anesthetic concentration monitoring can be improved. In the anesthesia machine, a breathing machine provides positive pressure ventilation for a patient end, and an anesthetic evaporator receives fresh gas and outputs anesthetic gas to the patient end at a preset anesthetic concentration; the flow meter detects the ventilation volume of fresh gas; the gating module is gated with the patient end through a first sampling channel and is connected with the output end of the anesthetic evaporator through a second sampling channel; the gas monitoring module monitors the inhalation anesthetic concentration of the patient end under the condition that the first sampling channel is gated; monitoring the output anesthetic concentration of the anesthetic evaporator under the condition that the second sampling channel is gated; the control module is used for controlling the gating module to be switched from the first sampling channel to the second sampling channel under the condition that switching conditions are determined to be met based on the inhaled anesthetic concentration, the fresh gas throughput and the preset anesthetic concentration; and under the condition of switching to the second sampling path, realizing abnormity identification according to the output anesthetic concentration and the preset anesthetic concentration.

The invention relates to the technical field of poultry farming, and discloses positive pressure ventilation equipment suitable for poultry farming, which comprises a treatment box, an air supply component arranged on the treatment box, and a disinfection component, a heating component and an atomization component which are arranged in the treatment box, the air supply component comprises a vane type compressor arranged on one side of the top of the treatment box, an air inlet formed in one side of the surface of the vane type compressor, an exhaust port formed in the other side of the vane type compressor and a first connecting pipe arranged on the exhaust port. According to the positive-pressure ventilation equipment suitable for poultry breeding, through mutual cooperation of the main conveying pipe and the three sets of guide pipes staggered on the auxiliary conveying pipes, the technical problems that a traditional ventilation system is uneven in ventilation, large in influence of external weather, prone to causing chicken flock stress and health problems and the like are solved; according to the ventilation system, fresh air can be accurately and uniformly sent to the front of each chicken, and the breeding environment quality is improved.

1. The name of the design product: nasal mask support. 2. The use of the design product: the nasal mask support is a supporting frame structure component of the positive pressure ventilation nasal mask product, and is a medical instrument that can provide positive pressure respiratory support of oxygen and other gases for patients. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.