34 results about "Assisted ventilation" patented technology

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 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.

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 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 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 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 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 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 utility model relates to a building life drainage system, and aims to solve the technical problems of monitoring the pressure of a drainage vertical pipe in real time and automatically balancing the positive pressure at the bottom of the drainage vertical pipe. The device is characterized in that a pressure monitoring and automatic balancing system is arranged at the bottom of the drainage vertical pipe and mainly comprises a pressure sensor, an auxiliary ventilation pipeline and an electromagnetic valve, wherein the auxiliary ventilation pipeline is communicated with the bottom of the drainage vertical pipe and provided with an auxiliary ventilation opening communicated with the atmosphere, and the electromagnetic valve is provided with a controller; the pressure sensor is used for collecting air pressure in a drainage transverse branch pipe of a low floor at the bottom of the drainage vertical pipe, and the controller controls the electromagnetic valve arranged on the auxiliary ventilation pipeline to be opened or closed according to data collected by the pressure sensor. According to the utility model, the bottom pressure of the drainage riser is automatically monitored, and the pressure in the riser can be automatically balanced by communicating with the atmosphere, so that the phenomenon that harmful gas in the drainage pipe overflows and harms human health due to water seal splashing generated in a toilet of a bottom-floor residence caused by positive pressure exceeding a standard specified range is prevented.

The application discloses a field first-aid mechanical auxiliary ventilation device, and relates to a first-aid equipment, which comprises a main body with an open top, a composite gas cylinder arranged in the main body, and an oxygen cannula arranged in the open top and communicated with one end of the composite gas cylinder. A piston rod is arranged in the composite gas cylinder, and the piston rod comprises a composite piston arranged in the composite gas cylinder to keep the piston moving, and the composite piston is matched with the outline of the composite gas cylinder. An equipment box is arranged below the main body, a driving mechanism for driving the composite piston to move is arranged in the equipment box, and the driving mechanism comprises a crank disc driven by a motor. The piston rod is driven by the motor to reciprocate in the composite gas cylinder, so that external gas is quickly sucked into the composite gas cylinder and then pushed into the oxygen cannula, thereby achieving the purpose of quickly supplying oxygen to the oxygen-deficient soldiers.

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.

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 utility model belongs to the technical field of ventilation and cooling of speed reducers, particularly relates to a ventilation structure of a speed reducer, and aims to solve the problem that the ventilation and cooling effects of lubricating oil are poor due to the fact that an existing ventilation structure is poor in ventilation effect and does not have an auxiliary ventilation function. The top of the reduction gear box is of an opening structure and is provided with a sealing cover, an input shaft is rotationally installed on the right side of the reduction gear box, and an output shaft is rotationally installed on the left side of the reduction gear box; the speed reduction mechanism is arranged in the speed reduction gear box, connected with the input shaft and the output shaft and used for transmission speed reduction; and the circular air duct is welded to the outer side of the reduction gear box, and the outer side of the circular air duct is an opening and is provided with a dustproof mechanism. The speed reducer is simple in structure, in the speed reduction process, kinetic energy is provided to drive the fan to rotate, external air is filtered through the metal filter screen and then ventilated, the ventilation effect is improved, and cooling can be conducted.

The utility model relates to the technical field of respiratory medicine physiological research, and discloses a respiratory tract deposition distribution testing device for inhalation preparations, which comprises a respiratory tract model unit, a head model and a respiratory tract model unit, the respiratory tract model unit comprises a sealed container, a pulmonary trachea model and a head model, and the air inlet end of the pulmonary trachea model extends to the outside of the sealed container; the head model is connected with the air inlet end of the pulmonary trachea model; the breathing machine system comprises a breathing machine, a connecting pipeline and a medicine feeding device, and the end, away from the breathing machine, of the connecting pipeline is connected to the mouth and / or the nose of the head model; and the air bag unit comprises a filtering assembly and an air bag assembly, the filtering assembly is connected with the sealed container, and the air bag assembly comprises an air bag which adaptively expands and contracts when the breathing machine system works. Under the condition that a breathing machine system assists ventilation, the respiratory tract model adapts to running parameters of the breathing machine, the function that a real bionic breathing machine assists human body breathing is achieved, and the deposition result of drug particles in the respiratory tract is accurately simulated.

The utility model discloses a natural gas combustion combustion-supporting ventilation device which comprises a gas inlet pipe, a combustion-supporting ventilation structure is installed on one side of the gas inlet pipe, and the combustion-supporting ventilation structure comprises a connecting pipe, a draught fan, an exhaust pipe, an exhaust pipe, a support, a protective net, an annular limiting plate, a filter net cover, a flow guide block, a spoiler and a one-way gas inlet valve. The connecting pipe is fixedly installed on the fuel gas inlet pipe through a flange plate. According to the combustion-supporting ventilation device for natural gas combustion, dust in air is filtered conveniently through the exhaust pipe, the filter screen cover is installed in the exhaust pipe, the quality of the air entering the connecting pipe is improved, flow guiding is conducted on the air conveniently through the flow guiding block, resistance during natural gas conveying is reduced, and the service life of the natural gas is prolonged. And by arranging the spoilers, air can be better mixed with natural gas, and the combustion efficiency of the natural gas is improved.

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 utility model relates to the technical field of medical instruments, in particular to a disposable 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 detachably connected with the bronchoscope tube, the bronchoscope tube is a hard tube, the operation end is provided with a main examination port, a jet vent, an auxiliary vent and a blocking portion, the main examination port is communicated with the bronchoscope tube, and the jet vent is communicated with the auxiliary vent. The spraying ventilation opening, the blocking part and the auxiliary ventilation opening are formed in the two sides of the main examination opening, the spraying ventilation opening is communicated with the main examination opening, an air bag assembly used for expanding the trachea is arranged on the endoscope tube and comprises an annular air bag and an air inlet tube, the other end of the air inlet tube is connected with a connecting assembly, and the connecting assembly comprises a three-way connector. The disinfection device disclosed by the utility model has the beneficial effects that the disinfection cost is effectively reduced, and cross infection is prevented; the endoscope tube is communicated with the main examination port, one light source port is omitted, the number of connectors is small, the inner wall is smooth, and airflow is stable.

This invention discloses an auxiliary ventilation device for one-lung positive pressure ventilation (CPAP) to prevent gas embolism, comprising a gas source connector, a precision flow regulating valve, a pressure generating and display module, and a patient connector. One end of the gas source connector is connected to the inlet of the precision flow regulating valve, and the other end is used to connect to a hospital central oxygen supply or a high-pressure oxygen cylinder. The outlet of the precision flow regulating valve is connected to the inlet of the patient connector, and the outlet of the patient connector can be directly connected to the affected side interface of a single-lumen endotracheal tube or a double-lumen bronchial tube. The pressure generating and display module is installed on the patient connector. This device addresses the problems in existing technologies, such as the lack of dedicated CPAP equipment for gas embolism prevention, the inability to visualize and adjust pressure, and the inability to accurately maintain pressure within a safe and effective pressure window (5~10 cmH2O), thereby achieving active, quantitative, and controllable gas embolism prevention during surgery.

The application discloses a respiratory waveform simulation method, comprising S1, constructing a mathematical simulation model of a respiratory waveform, the respiratory waveform comprising a mechanical ventilation waveform, an assisted ventilation waveform; S2, obtaining a case to be displayed, and obtaining initial respiratory state information of a patient; S3, obtaining a respiratory mode instruction of a target user based on the initial respiratory state information, determining a target respiratory waveform under the current respiratory mode instruction based on a mapping relationship between a respiratory mode and a respiratory waveform; and S4, obtaining a patient respiratory parameter instruction and a ventilator parameter instruction of the target user, executing the mathematical simulation model of the target respiratory waveform, and realizing simulation of a respiratory waveform state and change of a patient under different ventilator modes, which helps medical students better understand different ventilator waveforms and master ventilator technology.

The invention discloses a respiratory rehabilitation assisting device for a patient in critical medicine, and relates to the technical field of medical rehabilitation equipment, the device comprises a bed body frame, a mattress, a respiration monitoring assembly, a respiration assisting assembly, a medicine atomization mechanism and a control box, and all the parts form a complete respiratory rehabilitation assisting system through mechanical connection and circuit connection; the mattress is fixed to the upper portion of the bed body frame, sensors of the respiration monitoring assembly are embedded into the mattress and an airway connector of the respiration assisting assembly, and the respiration assisting assembly is fixed to the side portion of the bed body frame through a support and connected with an airway of a patient through a pipeline. The medicine atomization mechanism is installed at the end of the bed body frame through a fixing frame and communicates with the respiration assisting assembly through a conveying pipeline, and the control box is fixed to the side face of the bed body frame and connected with all electric components through wires. The breathing rehabilitation effect of critical patients is improved.