57 results about "Assisted ventilation" patented technology

The invention relates to the technical field of medical instruments, in particular to a plastic auxiliary ventilation mask for endoscopy, which comprises a mask body, a T-shaped support is fixedly connected to the mask body, a first elastic bandage is arranged on the T-shaped support, and a first fixing ring and a second fixing ring are symmetrically and fixedly connected to the side wall of the mask body respectively; a second elastic bandage is arranged on the mask, one end of the second elastic bandage is fixedly connected with the first fixing ring, and the other end of the second elastic bandage penetrates through the second fixing ring and is detachably connected with the second fixing ring; the edge of the mask is provided with a shaping assembly used for automatically fitting the face of a patient when the mask is worn. A driving assembly is arranged in the second fixing ring; an air hole is formed in the mask, a catheter used for being inserted into an endoscope is arranged on the air hole, and a universal assembly is arranged in the air hole; a sealing assembly used for automatically opening and closing a channel in the catheter when the mask is used is arranged in the catheter. The auxiliary ventilation mask can be automatically attached to the face of a patient, and the problem that the attaching degree is poor is effectively solved.

Devices and methods for allowing for improved assisted ventilation of a patient. The methods and devices provide a number of benefits over conventional approaches for assisted ventilation. For example, the methods and devices described herein permit blind insertion of a device that can allow ventilation regardless of whether the device is positioned within a trachea or an esophagus. In addition, the methods and device allow for timed delivery of ventilations based on a condition of a thoracic cavity to increase the amount and efficiency of blood flow during a resuscitation procedure.

The invention relates to the technical field of medical instruments, in particular to intelligent breathing monitoring and auxiliary ventilation integrated equipment which comprises a storage cylinder with an opening in the upper end, a cover plate is buckled to the upper end of the storage cylinder through a buckle, one side of the upper end of the cover plate is fixedly connected with an air inlet pipe, and the other side of the upper end of the cover plate is fixedly connected with a pump. A first connecting pipe is fixedly connected to the input end of the pump machine, a second connecting pipe is fixedly connected to the output end of the pump machine, and a cleaning mechanism used for cleaning is arranged at the lower end of the storage barrel. And under the action of a pressing piece and a pressure sensor, an alarm is rapidly given, when the liquid level is lowered, adding is carried out in time, continuous operation of equipment is ensured, an open sliding groove and a sliding plate are matched, a cleaning brush outside a floating ring can be adjusted to continuously clean the inner wall of the storage barrel when a cover plate is detached, and the later cleaning efficiency is improved.

The utility model relates to nursing clothes for obstetrical department, in particular to kangaroo type nursing clothes for NICU tracheal intubation noninvasive auxiliary ventilation, which comprises a nursing clothes main body, a waistband and a lock catch, the shoulders of the nursing clothes body are connected with first fixing bands, the abdomen of the nursing clothes body is connected with a nursing bag, and the surface of the nursing bag is connected with second fixing bands. The waistband is arranged below the nursing bag; the lock catch is arranged on the surfaces of the nursing bag and the waistband and comprises a mounting shell and an elastic plate. By arranging the adjustable nursing bag, after a newborn is placed in the nursing bag, the internal space of the nursing bag is adjusted by adjusting the tightness of the waist band and the connecting length of the second fixing band and the first fixing band, so that a comfortable nursing space is provided for the newborn; and the problem that the neonate feels uncomfortable due to the small space in the puerpera clothes in the nursing process is solved.

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.

The utility model discloses a painless endoscopic diagnosis and treatment bite block with jet ventilation and gas sampling functions, and relates to the technical field of medical auxiliary equipment. The painless endoscope diagnosis and treatment instrument solves the problem that the existing painless endoscope diagnosis and treatment instrument does not have auxiliary ventilation and end-expiratory carbon dioxide monitoring functions during endoscope operation. A tongue pressing pad is arranged below a mouth pad, the head end of the tongue pressing pad is fixedly connected with the inner side face of a fixing pad, and a jet ventilation hole channel and two anti-blocking gas sampling hole channels which are arranged in parallel and penetrate through the head end face and the tail end face of the tongue pressing pad are formed in the tongue pressing pad in the longitudinal direction. The two anti-blocking gas sampling hole channels are located on the left side and the right side of the jet ventilation hole channel, and a jet guide pipe connector and two anti-blocking gas sampling connectors which are in one-to-one correspondence with the jet ventilation hole channel and the two anti-blocking gas sampling hole channels and are communicated with the jet ventilation hole channel and the two anti-blocking gas sampling hole channels are formed in the fixing pad. The utility model is used for implementing assisted respiration and end-expiratory carbon dioxide monitoring technology for a patient under the condition of non-airtight airway management.

The plastic auxiliary ventilation mask comprises a mask body, a sealing assembly is arranged in the mask body, the sealing assembly comprises an air guide cover arranged in the mask body, and a first connecting port and a second connecting port are formed in the top end of the air guide cover; the first connector and the second connector are symmetrical relative to the central axis of the mask body and are equal in inner diameter and height; the sealing assembly can seal gaps among the nasal cavity of a patient, the endoscope body and the oxygen pipe when the patient is subjected to endoscopy, meanwhile, the mask body is arranged to be open, water column condensation possibly caused by exhaled air of the patient is directly avoided, and when the mask body is used, the mask body is not prone to falling off. The mask body is fixed to the face of a patient through the elastic pull rope and the like, the two elastic rings arranged at the free end of the rotating plate in a penetrating mode cover the outer side of the oxygen pipe and the outer side of the endoscope body respectively, sealing is completed after the state of the sealing assembly is locked, and endoscopy is started.

The invention relates to the technical field of medical equipment, in particular to a cardiac compression device for cardiovascular disease emergency treatment, which comprises a frame body, and a compression assembly for assisting in cardiac compression, a ventilation assembly for assisting in ventilation and an intermittent assembly for interval ventilation are arranged on the frame body. The pressing assembly comprises a lower pressing block, a poke rod and a rotating wheel, and the lower pressing block is connected to the frame body in a sliding mode; the poke rod is hinged to the top of the lower pressing block, and the end, away from the lower pressing block, of the poke rod is eccentrically hinged to the rotating wheel. A driving assembly for driving the rotating wheel to rotate is arranged on the frame body; the driving assembly is used for driving the ventilation assembly and the intermittent assembly to operate synchronously, so that the intermittent assembly assists in interval ventilation. By means of the one-source multi-drive design of the driving assembly, the functions of pressing, ventilation and intermittent control are integrated into the same power source, first-aid operation is achieved in an automatic operation linkage mode, manual operation deviation is reduced, and the quality stability of cardio-pulmonary resuscitation is improved.

The present invention provides an oropharyngeal airway with an airway surface anesthesia function, which relates to the technical field of medical anesthesia equipment and solves the technical problem in the prior art that oropharyngeal airways can only assist ventilation and have a single function. The oropharyngeal airway with an airway surface anesthesia function is an elliptical tubular structure, comprising a flange, a tooth pad portion, and a pharyngeal curvature portion arranged in sequence, a drug adding port being provided on the flange, and a drug spraying port being provided in the inner cavity at the end of the pharyngeal curvature portion, the drug adding port and the drug spraying port being connected by a drug administration pipeline buried in the flange, the tooth pad portion, and the pharyngeal curvature portion. The present invention is used to improve the clinical performance of the pharyngeal airway.

Title of the invention: Monitoring of a patient's intercostal muscle activity during assisted ventilation using a patch sensor. The invention relates to a monitoring system (1) for the respiratory muscle activity of a patient (P), in particular intercostal and / or diaphragmatic muscle activity, comprising a patch sensor (10) including mechanomyography measurement means (13) for performing successive measurements of the patient's muscle activity, and a medical ventilator (20) with control means (25) for processing the measurements performed by the mechanomyography measurement means (13). Display means (30) display an MMG curve (31) representing the patient's muscle activity, in particular intercostal and / or diaphragmatic muscle activity, over time (t) obtained from the processed measurements. Abstract figure: Figure 1

The application discloses a plastic auxiliary ventilation mask for endoscopy and belongs to the technical field of medical devices, which comprises a mask body, an endoscope hole is arranged on the front surface of the mask body, and a plug-in pipe sleeve for inserting an endoscope is connected to the endoscope hole; the bottom of the plug-in pipe sleeve is connected with the mask body in communication, and a one-way valve sleeve is connected to the top of the plug-in pipe sleeve; a blocking air bag capable of being contracted or expanded is arranged in the plug-in pipe sleeve, the blocking air bag can block the gap between the endoscope and the plug-in pipe sleeve, a catheter for controlling the ventilation of the blocking air bag is arranged on the blocking air bag, the catheter is connected with the blocking air bag in communication, and the catheter extends to the outside of the mask body; an oxygen supply pipe and an annular memory sponge are arranged on the mask body. The application can ensure the airtightness during use, and the mask body will not leak air when the endoscope is used for examination.

The utility model relates to the technical field of skin protection devices, in particular to a facial skin protection device for children wearing non-invasive auxiliary ventilation pipelines, which comprises a device bottom layer, an anti-abrasion mechanism is arranged on the inner wall of a protection plate, and an anti-falling fixing mechanism is arranged on the surface of the protection plate. And a protection edge warping prevention mechanism is arranged in the device bottom layer. According to the skin protection device, the phenomenon that the skin of a child patient is allergic due to long-time contact with the protection plate in the using process of the skin protection device is avoided, the fixing effect of the fixing rope can be improved when the skin protection device is used, the nasal plug is better in sealing performance, and meanwhile the skin protection device is convenient to use. The skin protection device can be suitable for various non-invasive breathing pipeline fixing scenes, the phenomenon that after the skin protection device is used for a long time, a fixing rope is abraded and damaged on the inner wall of the protection plate is avoided, and the skin protection device is longer in service life and more durable.

The invention discloses an auxiliary ventilator, which relates to the field of medical instruments and comprises a vent hood, a handpiece, a battery bin, a gas cylinder bin, a display screen and an operation button, wherein a handheld part is detachably installed on the vent hood, a battery bin is installed on the inner wall of the handheld part, a gas cylinder bin is arranged on one side of the battery bin, and a display screen and a plurality of operation buttons are arranged on the outer wall of the handheld part. The whole set of auxiliary ventilation operation can be completed only by one hand of a single person, the operation process is simple, convenient and efficient, and standardized single-person auxiliary ventilation of different people such as children and adults can be achieved. The integrated energy supply and oxygen supply structural design is adopted, complex external pipelines needed by traditional auxiliary ventilation equipment are avoided, and the external connection mode of the device is simplified. In the operation process of an operator, interference of redundant pipelines around the hands is avoided, obstacles in the operation space are effectively reduced, and the accuracy of operation actions is improved.

The utility model relates to the technical field of scroll compressors, in particular to an electric scroll compressor. The utility model provides an electric scroll compressor. The electric scroll compressor comprises a main case, a rack, a top cover, a stator, a rotor, a movable disc, a static disc assembly and an auxiliary ventilation structure, and the auxiliary ventilation structure is arranged on the inner wall of the main case at a position opposite to the air suction port or at the bottom of the stator at a position opposite to the air suction port. A part of refrigerant gas entering from the air suction port directly flows to the air hole groove in the rack through an exhaust groove communicated with the air suction port; the other part of the refrigerant gas entering from the air suction port is wound to the lower cavity and then flows to the air hole groove through the vent hole of the rotor and the plurality of exhaust grooves; the auxiliary ventilation structure increases the air suction amount from the air suction port to the air hole groove. Therefore, the effective through-flow area in the air suction port of the main case is increased, and smooth through-flow of the compressor is guaranteed.

The invention discloses a pediatric patient anesthesia recovery state evaluation device and an evaluation method thereof, and relates to the field of intelligent medical treatment, the device comprises a double-gas-path module, the double-gas-path module comprises a main channel and an auxiliary channel, the main channel is used for collecting exhaled gas, and the auxiliary channel is used for providing low-flow oxygen to assist ventilation; the adjustable nose wing fixing clamp is connected with the double-gas-path module, the adjustable nose wing fixing clamp is used for being attached to the nasal septum of a monitored person, the miniature nasal cavity adaptive sensor module comprises a flexible silica gel substrate, a miniature infrared light source and a light-sensitive detector are integrated on the flexible silica gel substrate, and the miniature infrared light source and the light-sensitive detector are connected with the adjustable nose wing fixing clamp. The micro nasal cavity adaptive sensor module is arranged on the inner wall of the main channel; the airflow sampling module is arranged on the inner wall of the main channel. The invention provides a non-invasive, real-time, intelligent and high-precision solution for a high-risk and low-tolerance scene of postoperative anesthesia recovery of a pediatric patient.

Methods and systems for determining collateral ventilation are disclosed. Methods may comprise introducing a diagnostic catheter into a lung compartment via an assisted ventilation device, inflating the occluding member to isolate the lung compartment, and performing a diagnostic procedure with the catheter while the patient is ventilated via the assisted ventilation device. The diagnostic procedure comprises determining an exhaled volume from the isolated lung compartment over a predetermined period of time while the patient is ventilated via the assisted ventilation device. The presence collateral ventilation may be determined based on the exhaled volume from the isolated lung compartment over the predetermined period of time.

The breathing filter with the temperature and humidity monitoring function comprises a breathing filter shell, an air inlet hole is formed in the bottom of the breathing filter shell, a connecting air pipe is fixedly connected to the interior of the air inlet hole, a supporting rod is fixedly connected to the interior of the breathing filter shell, a first mounting opening is formed in the supporting rod, and a second mounting opening is formed in the second mounting opening. A temperature and humidity sensor is fixedly connected into the first mounting opening and located in the breathing filtering shell. According to the breathing filter with the temperature and humidity monitoring function, when breathing filtering is provided for a patient, gas enters the breathing filtering shell through the connecting gas pipe at the moment, and meanwhile the temperature and humidity of the gas entering the breathing filtering shell are monitored in real time through the temperature and humidity sensor located on the supporting rod in the breathing filtering shell; therefore, the auxiliary ventilation quality of the patient is effectively judged, and clinical diagnosis and treatment activities are more convenient.

The utility model discloses shovel type medical transfer equipment based on air suspension, and belongs to the technical field of medical instruments. Comprising a medical transfer platform, a stretcher body and an air suspension device. The stretcher body is placed above the medical transfer platform, and the air suspension device is located in the stretcher body. The stretcher main body and the air suspension device are bilaterally symmetrical and detachable; the stretcher main body and the air suspension device are shovel-shaped for bearing the upper body of a patient. The air suspension air chamber is sealed through the design of the air control generator, the air main pipeline, the three-way connector, the sealing nut, the main air suspension plate, the telescopic main body switching hose, the auxiliary ventilation pipeline, the auxiliary air suspension plate, the sealing cover and the like, so that air can only be exhausted from small holes of the rubber air cushion to generate a surface effect to lift the stretcher main body; through the combined action of the shovel type design and the air suspension design, the physical output of a patient transferred from a sickbed to a transfer platform is reduced, meanwhile, the workload of medical staff is reduced, and the use of human resources in a hospital is reduced.

The invention discloses a breathing waveform simulation method which comprises the steps that S1, a mathematical simulation model of breathing waveforms is constructed, and the breathing waveforms comprise mechanical ventilation waveforms and auxiliary ventilation waveforms; s2, obtaining a to-be-displayed case, and obtaining initial breathing state information of a patient; s3, acquiring a breathing mode instruction of a target user based on the initial breathing state information, and determining a target breathing waveform under the current breathing mode instruction based on a mapping relation between a breathing mode and a breathing waveform; and S4, acquiring a patient breathing parameter instruction and a breathing machine parameter instruction of a target user, and executing the mathematical simulation model of the target breathing waveform, so that simulation of breathing waveform states and changes of different case patients in a breathing machine mode is realized, and medical students can better understand different breathing machine waveforms and master a breathing machine technology.

The application relates to the technical field of stone curtain wall, and provides a welding-free open stone curtain wall structure and a construction method, which comprise a stone curtain wall main body, a first connecting part and a second connecting part; the stone curtain wall main body comprises a stone decoration panel, thermal insulation expanded material, a metal cladding layer, warp air passage protrusions, weft air passage protrusions and a back air passage hole; a cavity is arranged between the stone decoration panel and the metal cladding layer; the thermal insulation expanded material is filled in the cavity; the metal cladding layer is provided with the warp air passage protrusions, the weft air passage protrusions and the back air passage hole which are in communication with each other; the warp air passage protrusions and the weft air passage protrusions are both provided with edge air passage holes; the first connecting part comprises an L-shaped connecting piece and a gas guide pipe; the L-shaped connecting piece is provided with a buffer cavity; one end of the gas guide pipe is in threaded connection with the back air passage hole; the other end of the gas guide pipe is located in the buffer cavity; the buffer cavity is provided with an auxiliary air passage hole; the second connecting part is connected with the L-shaped connecting piece; and the welding-free open stone curtain wall structure has the characteristics of good ventilation, heat dissipation and thermal insulation effects.

The invention relates to the technical field of medical instruments, and particularly discloses oral correction snore-ceasing equipment and a design method thereof. The oral cavity correction snore-ceasing equipment comprises a correction equipment body, an anterior tooth area and a posterior tooth area are formed in the correction equipment body, the posterior tooth area is provided with an occlusal tooth groove, the occlusal tooth groove is used for guiding a lower jaw and keeping the lower jaw at a forward stretching position, the anterior tooth area is provided with an occlusal pad, and the occlusal pad is connected with the inner side face of the occlusal tooth groove. And the occlusal pad obliquely extends from top to bottom in the direction deviating from the occlusal tooth groove. Auxiliary vent holes are formed in the anterior tooth area, penetrate through the outer wall surface and the inner wall surface of the appliance body and form a preset area, and the preset area is 10mm < 2 >-200mm < 2 >. By the adoption of the snore-ceasing device, the phenomena of snore and apnea caused by airway collapse can be relieved, meanwhile, blood oxygen saturation reduction caused by insufficient airflow is relieved or prevented, and the adaptability of the snore-ceasing device to a patient with the nasal cavity blockage problem is improved.

The utility model relates to the technical field of medical instruments, in particular to a hard bronchoscope which comprises an operation end and a bronchoscope tube, one end of the bronchoscope tube is an inclined opening, the operation end is provided with a main examination port, a jet vent, an auxiliary vent and a blocking portion, and the main examination port is communicated with the bronchoscope tube. The spraying vent, the blocking part and the auxiliary vent are arranged on the two sides of the main examination port, the auxiliary vent is perpendicular to the endoscope tube and obliquely intersects with and is communicated with the spraying vent, the blocking part and the auxiliary vent are correspondingly arranged, and the diameter of the endoscope tube is gradually reduced from the opening end of the inclined plane to the operation end of the endoscope tube. One light source port is reduced, interfaces are few, the inner wall is smooth, and airflow is stable; the front end of the endoscope tube can be expanded to a larger space, the view of the endoscope is wider, the diameter of the rear end is reduced, friction with tissues is less, damage is reduced, and blood at the front end can be guided and discharged conveniently.

The invention relates to the technical field of auxiliary ventilation equipment for tuberculosis patients, and discloses special intelligent auxiliary ventilation equipment for tuberculosis patients, which comprises a supporting seat, a supporting plate is mounted at the top of the supporting seat, and a host is mounted at the top of the supporting plate. According to the special intelligent auxiliary ventilation equipment for the tuberculosis patient, under the action of a suction pump, sterile normal saline in an inner cavity of a liquid storage box can be sucked, and a flushing pipe is communicated with an exhaust pipe by adjusting a rotating block to rotate in an inner cavity of a fixed box; sterile normal saline in an inner cavity of a liquid storage box enters an inner cavity of an exhaust pipe through a flushing pipe so as to flush the inner cavity of the exhaust pipe, the electromagnet is powered off, adsorption to a blocking plate is stopped, the blocking plate moves along a fixing pipe, a discharging pipe communicates with the fixing pipe, and therefore the sterile normal saline is discharged. Flushing of the exhaust pipe is achieved, and the situation that traditional equipment needs to conduct manual disinfection treatment on the exhaust pipe is avoided.

Methods and systems for targeting, accessing and diagnosing diseased lung compartments are disclosed. The method comprises introducing a diagnostic catheter with an occluding member at its distal end into a lung segment via an assisted ventilation device; inflating the occluding member to isolate the lung segment; and performing a diagnostic procedure with the catheter while the patient is ventilated. The proximal end of the diagnostic catheter is configured to be attached to a console. The method may also comprise introducing the diagnostic catheter into the lung segment; inflating the occluding member to isolate the lung segment; and monitoring blood oxygen saturation. The method may further comprise introducing the diagnostic catheter into the lung segment; determining tidal flow volume in the lung segment; determining total lung capacity of the patient; and determining a flow rank value based on the tidal flow volume of the lung segment and the total lung capacity.

The present invention relates to a ventilation detection device for myasthenia gravis patients. The device comprises: a muscle strength monitoring module, configured to monitor the swallowing muscle and proximal limb muscle activities of the myasthenia gravis patient to obtain muscle strength data of the myasthenia gravis patient; a respiratory monitoring module, configured to detect the respiratory rate, the tidal volume of each respiratory cycle, and the inspiratory time of each respiratory cycle when the myasthenia gravis patient is subjected to mechanical assisted ventilation, and obtain the change trend over time; a control module, signal-connected to the muscle strength monitoring module and the respiratory monitoring module, and configured to determine that human-machine resistance exists during the mechanical assisted ventilation process of the myasthenia gravis patient when the muscle strength data of the myasthenia gravis patient is lower than a preset muscle strength threshold and the change trend of the respiratory rate, the tidal volume of each respiratory cycle, and the inspiratory time over time is inconsistent with the change trend of pre-stored corresponding parameters.

The application relates to a ventilator control method and device, a ventilator, a readable storage medium and a product. The method comprises the following steps: receiving an original diaphragm electromyogram collected by an electrode of a ventilator in a current period; in the case that the original diaphragm electromyogram meets an auxiliary ventilation condition, determining a target ventilation pressure in the current period or a next period according to the original diaphragm electromyogram in the current period based on a pressure adjustment parameter of a first controller corresponding to a previous period in the current period; wherein the pressure adjustment parameter of the first period is initialization data; controlling the ventilator to supply air based on the target ventilation pressure, and sending a ventilation control instruction generated based on the target ventilation pressure to a second controller in the ventilator, so that the second controller generates and returns the pressure adjustment parameter in the current period according to the original diaphragm electromyogram in the current period; and receiving the pressure adjustment parameter in the current period fed back by the second controller. The accuracy of the ventilator control and the response efficiency of the ventilator can be improved.

The invention relates to a gas source control method, a controller, equipment and a storage medium. The method comprises the steps that under the condition that a main gas source supplies gas to the deformable container, the pressure value, collected by a first sensor, of a main gas source connector is obtained, and the internal pressure value, collected by a second sensor, of the deformable container is obtained; wherein the flow of gas flowing from the main gas source to the deformable container is adjusted by the flow adjusting unit; and under the conditions that the pressure value of the main gas source connector is lower than a first pressure threshold value, the internal pressure value of the deformable container is lower than a second pressure threshold value and the flow adjusting unit is in the maximum opening degree, gas source supply of the deformable container is switched from the main gas source connector to the standby gas source connector, so that the standby gas source supplies gas to the deformable container. According to the invention, automatic switching of the gas supply source can be realized, and the continuity of gas supply in the auxiliary ventilation support process is improved.

The invention relates to the technical field of auxiliary ventilation treatment equipment, and discloses auxiliary ventilation treatment equipment for a prone position patient, which comprises a base provided with a head support part, a neck support part and a chest and abdomen part with an inclined surface, and further comprises a lower body support area formed on the base; windows penetrating through the top surface of the base are formed in the head supporting part, the neck supporting part, the thoracic-abdominal part and the lower body supporting area; a breathable soft cushion, a supporting net, a supporting frame, an air cushion layer and a ventilation pipeline are arranged in each window; air outside the base is conveyed into the base through the air bellow and the ventilation pipeline and is emitted out from the ventilation soft cushion, ventilation airflow can be formed, the good ventilation and perspiration effects are achieved, and discomfort caused by long-time use is relieved; the multi-layer soft treatment pad is formed by the breathable soft pad, the supporting net and the air cushion layer, it is guaranteed that air in the ventilation pipeline can be effectively dissipated, the good pressure sore prevention effect is achieved, and long-time use is facilitated.

The soaking cooling mask comprises a mask body, and a first pipeline and a second pipeline are connected to the mask body; the first pipeline is used for being connected with the noninvasive ventilator and serves as an air inlet and outlet channel when the noninvasive ventilator assists in ventilation or an air outlet channel when auxiliary ventilation is not needed. The second pipeline is connected with an oxygen source; a duckbill valve is installed in the second pipeline, so that oxygen flows in one direction and enters the mask body from the oxygen source. According to the soaking cooling mask, the first pipeline and the second pipeline are arranged, so that the soaking cooling mask can be connected with a noninvasive breathing machine and an oxygen source, and normal breathing or smooth auxiliary breathing can be guaranteed in the process that the head of a patient is soaked in cold water or ice water for cooling.

The invention relates to the technical field of stone curtain walls, and provides a welding-free open type stone curtain wall structure and a construction method.The welding-free open type stone curtain wall structure comprises a stone curtain wall body, a first connecting part and a second connecting part, and the stone curtain wall body comprises a stone decoration panel, a heat preservation expansion material, a metal coating layer, warp ventilation protrusions, weft ventilation protrusions and back ventilation holes; a cavity is formed between the stone decoration panel and the metal coating layer, the cavity is filled with the heat preservation expansion material, the metal coating layer is provided with warp ventilation protrusions, weft ventilation protrusions and back ventilation holes which are communicated with one another, and edge ventilation holes are formed in the two ends of the warp ventilation protrusions and the two ends of the weft ventilation protrusions. The first connecting part comprises an L-shaped connecting piece and an air guide pipe, the L-shaped connecting piece is provided with a buffer cavity, one end of the air guide pipe is in threaded connection with the back vent hole, the other end of the air guide pipe is located in the buffer cavity, the buffer cavity is provided with an auxiliary vent hole, and the second connecting part is connected with the L-shaped connecting piece.