81 results about "Artificial respiration" patented technology

The invention provides an artificial respiration device for nursing in the respiratory medicine department, and belongs to the technical field of medical instruments. Comprising an air supply part, a negative pressure generation part is installed on the air supply part, and a tongue positioning part is installed on the negative pressure generation part; the negative pressure generating piece is used for controlling the tongue positioning piece to suck air; an overpressure exhaust part is mounted on the air supply part; the overpressure exhaust part is used for preventing excessive expiration; an air channel detection piece is mounted on the air supply piece; and the air passage detection piece is used for detecting the smoothness of the air passage. The tongue positioning piece can be matched with the negative pressure generating piece, the tongue of a patient is automatically controlled, dragged and positioned when artificial respiration is carried out on the patient, the tongue of the patient can be kept to be separated from the palate of the patient, and smooth artificial respiration is guaranteed; the problems that an existing artificial respiration device is inconvenient to detect airway smoothness, and the tongue of an unconscious patient is prone to blocking the airway are solved.

The utility model provides a mask internal airflow demonstration device which comprises a gas generation module, an airflow test module, a breathing machine module and a control system module, the gas generation module is used for generating aerosol smog, and the airflow test module is used for simulating the flowing process of airflow inside and outside a gas mask. And the respirator module is used for simulating the artificial respiration process and can adjust the ventilation volume and the respiration frequency. According to the utility model, the technical problem that the flowing process of the air flow in the gas mask cannot be directly observed in the traditional teaching and actual operation can be solved, and the visual demonstration of the flowing condition of the air flow in the mask can be realized.

The present invention discloses a portable cardiopulmonary resuscitation first aid skill training device, system and training method thereof, the training device comprising: an inflatable manikin component and a cardiopulmonary resuscitation data acquisition device; the inflatable manikin component constitutes the upper body structure of the human body, and the cardiopulmonary resuscitation data acquisition device is installed at the heart position of the inflatable manikin component; the inflatable manikin component comprises a half-body inflatable manikin, a compression spring mechanism, an artificial respiration air-filled lung bag, a chest skin and a facial skin; the compression spring mechanism and the artificial respiration air-filled lung bag are both arranged in the half-body inflatable manikin, and the compression spring mechanism is arranged opposite to the cardiopulmonary resuscitation data acquisition device; the half-body inflatable manikin comprises an inflatable head and an inflatable chest portion, the chest skin is detachably arranged on the inflatable chest portion, and the facial skin is detachably arranged on the inflatable head. The present application improves the portability of the cardiopulmonary resuscitation first aid skill training device.

The utility model provides a gas mask sealing isolation performance demonstration device, which comprises an aerosol generation module, an airflow test module, a breathing machine module, an aerosol concentration detection module and a control system module, the airflow testing module is used for simulating the flowing process of aerosol inside and outside the gas mask, the breathing machine module is used for simulating the artificial respiration process and can adjust the ventilation capacity and the breathing frequency, and the aerosol concentration detection module is used for detecting the aerosol concentration inside and outside a mask of the gas mask. According to the utility model, the technical problem that the protection state of a person wearing the gas mask cannot be directly observed in the traditional teaching and actual operation can be solved, and the visual demonstration of the sealing isolation performance of the gas mask can be realized.

The invention relates to a signal processing unit and a method which performs an estimation (Sig res,est ) for a respiratory signal. This respiratory signal is a measure of a patient's own spontaneous breathing and / or mechanical ventilation. A summed signal (Sig) is calculated from measurements taken in or on the patient's body. Sum ) generates a signal that includes the respiratory and a cardiogenic signal. By influencing the sum signal (Sigmoidal frequency), the influence of cardiac activity on the sum signal (Sigmoidal frequency) is determined. Sum ) is compensated, an intermediate signal (Sig) is used. com ) calculated. A reference attenuation signal section describes the average time course of the contribution of the cardiogenic signal to the intermediate signal (Sig). com For each detected heartbeat, an intermediate signal segment [SigA] is generated. com (x)] is generated. From this, a damped intermediate signal section [SigA] is created. com,d(x)] is generated, for which a fitted attenuation signal section [Mod(1)(x), ..., Mod(n)(x)] is applied to the intermediate signal section. The fitted attenuation signal section [Mod(1)(x), ..., Mod(n)(x)] is calculated from the reference attenuation signal section using at least one quality measure [Q(30), Q(31)].

The invention relates to a breathing system and a breathing method for artificial respiration of a patient. The invention further relates to a control assembly and a control method for controlling a breathing assembly belonging to a breathing system. The anesthetic meter member (38) provides an anesthetic gas mixture (Ng) having a predetermined theoretical concentration (conreq) of the anesthetic (Nm). The respirator (12) delivers a breathable gas mixture with an anesthetic gas mixture (Ng) to the patient-side coupling unit. The setpoint concentration (conreq) is specified in such a way that the setpoint concentration is at most equal to the calculated upper concentration limit (conmax). The higher the temperature in the anesthetic meter member (38), in the ventilator (12) and / or in the ambient environment, the higher the concentration upper limit (conmax). The present invention reduces the risk of anesthetic (Nm) coagulation.

The invention relates to a compressor (1) for conveying an air flow and / or a gas flow and to a breathing apparatus or an anaesthesia apparatus with such a compressor (1). The compressor (1) has a housing (2) in which a compressor wheel (6) is arranged in a rotatable manner and is connected to an electric motor (5) by means of a drive shaft (4), an air flow and / or a gas flow being conveyed from an inlet (9) arranged upstream on a suction side (7) of the compressor wheel (6) through a flow channel (11) to an outlet (9) arranged downstream on a pressure side (8) of the compressor wheel (6) when the compressor wheel is rotated. The invention is characterized in that the compressor wheel (6) arranged in the housing interior (3) is at least partially surrounded by the housing and by a cover element (12), the housing being designed as a collecting housing (2) for the air flow and / or the gas flow coming from the compressor wheel (6) and being arranged at least partially on the pressure side (9) of the compressor wheel (6), the cover element being arranged at least partially on the suction side (7) of the compressor wheel (6) and being separated from the compressor wheel (6) at least partially by a gap (13), wherein at least one decoupling element (15) is arranged between the cover element (12) and the collecting housing (2) and between a functional component (14) connected at least indirectly to the compressor wheel (6) and / or to the electric motor (5) and the collecting housing (2) respectively for damping and at least partial sealing of the housing interior (3) from the surroundings (16).

The present disclosure provides a unique solution for assisting in the ventilation of lungs of subject that is performed by artificial mechanical ventilator. The solution of the present invention improves the efficiency of the ventilation effect by applying desired pressure profile on portions of the upper body part of the subject in synchronization with the mechanical ventilator operation, thereby creating a desired pressure profile or gradient in the lungs airways to ensure that air pumped into the lungs by the mechanical ventilator spreads more homogeneously in the lungs than without the intervention of the system of the present invention. The application of pressure is determined after analyzing data from sensors of the system that are placed on a plurality of portions on the upper body part of the subject and data received from the mechanical ventilator. These sensors sense data indicative of the ventilation profile within the lungs, i.e. pressure profile along different portions of the lung. The system provides extra-thoracic pressure on the rib cage according to pre-defined and adaptive algorithms based on the physiological status, the respiratory mechanics, and the inhomogeneous nature of lung injury. By applying pressure to the hyperventilated areas and reducing the transpulmonary pressure gradient, the system prevents hyperinflation trauma to the open areas and atelecto-trauma to the closed areas. The system is synchronized with the mechanical ventilator and adapt to changes in the patient's respiratory mechanics.

A system to simulate breathing by a human occupant of an enclosed structure, such as vehicle, for testing, validating and verifying operation of CO2-based human presence detection systems, having a doll with dimensions corresponding to a specific human age, size, or both; a compressible breather bulb having an interior gas volume corresponding to a single breath gas volume corresponding to the specific human; an exhale gas reservoir which is collapsible at ambient atmospheric pressure; valves to control the movement of the exhale gas; wherein the reservoir collapses as gas is exhaled to simulate exchanging of gas during inhales and exhales.

The invention provides a first-aid kit, and relates to the technical field of first-aid kits, the first-aid kit comprises a kit body, a plurality of accommodating cavities, two side support brackets, a blast bag, a pipeline system and a mask system, bracket stress interlayers are arranged on the outer sides of the two opposite accommodating cavities, an elastic reset plate is preset on the kit body between the two bracket stress interlayers, the pipeline system is mounted on the blast bag, and the mask system is mounted on the blast bag. A plurality of hook-and-loop fastener hook faces adhere to the outer side of the blast bag, a hook-and-loop fastener rough face is arranged on the inner side of the bag body, the mask system is communicated with the pipeline system, the pipeline system comprises a linkage valve device and a corrugated pipe, the linkage valve device comprises a linkage valve body, an air outlet pipe, a one-way valve and a fracture type sealer, the linkage valve body is installed on the blast bag, the air outlet pipe is installed on the linkage valve body, and the corrugated pipe is installed on the corrugated pipe. The one-way valve is installed on the linkage valve body, the fracture type sealer is installed on the linkage valve body and seals the one-way valve, the corrugated pipe is installed on the air outlet pipe, the corrugated pipe is communicated with the mask system, and the artificial respiration function is achieved.

The invention discloses a visual teaching method based on virtual fusion of AI and MR technologies, and relates to the technical field of virtual reality. The visual teaching method based on AI and MR technology virtual fusion comprises the following steps of artificial respiration qualification evaluation, artificial respiration action evaluation and artificial respiration rhythm evaluation. Whether to switch AI voice guidance or not is judged according to the artificial respiration qualification evaluation coefficient obtained through the artificial respiration data, and then whether to carry out MR simulation guidance or not is judged according to the action specification evaluation index obtained through the artificial respiration action data. Finally, whether MR rhythm simulation teaching is carried out or not is judged according to the artificial respiration rhythm evaluation index obtained through the pressing time data and the artificial respiration data, the effect of more accurately evaluating visual teaching of artificial respiration is achieved, and the problem that visual teaching evaluation of artificial respiration is not comprehensive in the prior art is solved.

The present invention belongs to the technical field of medical auxiliary equipment, and particularly relates to a mask for artificial respiration. The mask for artificial respiration comprises a mask body (10) and a temporary connection part (20), a gas conduction pipeline (30) is arranged on the mask body (10), the gas conduction pipeline (30) comprises an inner end (31) located inside the mask body (10) and an outer end (32) located outside the mask body (10), a cheek covering part (40) is fixed to the side of the mask body (10), the proximal end of the cheek covering part (40) is connected to the side of the mask body (10), and the outer end (32) of the gas conduction pipeline (30) is located between the middle position of the mask body (10) and the distal end of the cheek covering part (40). The present invention can improve the airtightness between the mask and the patient's mouth, and can also enable the rescuer to complete the observation of the patient's chest rise and fall in the exhalation position and observe the airflow outflow of the patient's nose after the exhalation is completed.

The utility model discloses a paper tube shaping device, which relates to the technical field of paper tube processing, and comprises a paper tube machine main body, a collecting structure is arranged at the top end of the paper tube machine main body, the collecting structure comprises a first collecting tank and an electrostatic roller, a second collecting tank is arranged in an inner cavity of the first collecting tank, and a friction component is arranged between the electrostatic roller and the first collecting tank. Through the arrangement mode that the collecting structure is matched with the supporting and driving structure, scraps generated by friction between paper and the paper core cylinder can be collected, and when falling into the adhesion range of the electrostatic roller, the scraps can be adhered to the electrostatic roller, so that the paper core cylinder is prevented from being damaged. The paper tube shaping device has the advantages that the paper tube shaping device is simple in structure and convenient to use, so that pollution to a processing environment and injury to an artificial respiratory tract caused by splashing of chippings can be avoided, the paper tube shaping processing environment is effectively improved, and convenience is provided for cleaning the chippings falling onto an electrostatic roller and in a collecting tank body under the arrangement of a supporting and driving structure.

The application discloses a multi-angle CPR training video detection based on machine vision, and has the characteristics of establishing an LCSG-YOLO model, preparing work, designing a KCHT matching algorithm and formulating a scoring standard.Compared with the prior art, the application has the advantages that: through pure machine vision technology, the key targets in cardiopulmonary resuscitation are accurately detected, and appropriate frequency of cardiopulmonary compression and artificial respiration is ensured, especially in a complex dynamic environment, efficient and accurate evaluation is ensured, a customized data set for CPR evaluation is constructed, an LCSG-YOLO model is trained based on the data set, and the system automatically evaluates the CPR operation according to the preset standard to determine whether the CPR operation meets the standard through video uploading, without relying on sensors, thereby providing scientific support for CPR quality improvement and training and promoting the popularization of intelligent evaluation application.

The present invention belongs to the technical field of respirator detection, and specifically relates to a submersible respirator tester, including a cabinet, a head mold for testing is arranged on the cabinet, a low-pressure booster pump is connected to a diaphragm pressure gauge through a check valve and an H solenoid valve, and a head mold pipeline is connected between the check valve and the H solenoid valve; a pneumatic respirator simulating artificial respiration, a negative pressure pump, a low-pressure booster pump and a control circuit are arranged inside the cabinet. The present invention can measure the air tightness of the mask, the flexibility of the air supply hose, the outlet pressure of the first-stage pressure reducing valve, the breathing resistance of the air supply regulator, the air supply flow rate, and the performance of the exhaust valve at one time, and the operation is convenient; the system is stable, ensuring the safety of the tested product; the operation interface is simple, the detection data is intuitive, and the workload of the operator is reduced; the built-in pneumatic respirator simulates the breathing work of the artificial lung and realizes the quota adjustment of the vital capacity.

1. The name of the product of this design: Respiratory first aid device. 2. Purpose of the product of this design: a simple respirator used for cardiopulmonary resuscitation and emergency treatment requiring artificial respiration. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides an artificial respiration assisting device suitable for a first-aid scene, and relates to the technical field of artificial respiration assisting equipment. The mask comprises an upper mask body and a lower mask body, the upper mask body is arranged at the top of the lower mask body, an air inlet connector is arranged at one end of the upper mask body, bandages are symmetrically arranged on the two sides of the upper mask body, a partition plate is arranged between the upper mask body and the lower mask body, and an air guide hole is formed in the side, close to the air inlet connector, of the partition plate; an occlusion square pipe is vertically arranged on the bottom surface of the partition plate, the occlusion square pipe is oppositely arranged below the air guide hole, the outer wall of the bottom of the occlusion square pipe is sleeved with a rubber sleeve, and a notch is formed in one side of the top of the occlusion square pipe; the nose clip assembly comprises an elastic closing part and a nose clamping part; an extrusion assembly; the extrusion assembly can automatically extrude the balloon, so that oxygen is output, and personnel interference during emergency treatment is not needed; when oxygen is supplied, the nose clamping part can clamp the nose of a patient.

The present invention relates to a breathing circuit device for a ventilator and, particularly, to a breathing circuit device for a ventilator which can sufficiently warm breathing gas even without using a heating wire, so as to provide a patient with humidified breathing gas at an appropriate temperature, and can eliminate the risk of electromagnetic radiation and facilitate management of a breathing circuit, the device comprising: an inspiratory tube through which breathing gas generated by a ventilator moves toward a patient; a humidification module which is provided at any one end of the inspiratory tube to receive sterile water that has been warmed from a heating module and supplement moisture to the breathing gas passing through the inspiratory tube; and a moisture supply tube which allows the sterile water having passed through the heating module to go by the inspiratory tube, wherein the moisture supply tube is disposed adjacent to the inspiratory tube in the lengthwise direction thereof, so that the breathing gas passing through the inspiratory tube is warmed under the influence of the warmed sterile water passing through the moisture supply tube.

The present invention discloses a ventilator with pulmonary function analysis, comprising: a ventilator main body, connected to a first sensor group, a second sensor group, an input valve group, an output valve group, an air delivery pipe group, an exhaust pipe group, and a pulmonary function analysis unit, receiving sensor parameters of the first sensor group and the second sensor group, and sending them to the pulmonary function root system unit to judge the pulmonary function condition, controlling the valve opening and closing amounts of the input valve group and the output valve group, the ventilator main body receiving external gas through the air delivery pipe group for the patient to inhale, and outputting the exhaled gas of the patient to the exhaust pipe group. The present invention can monitor in real time the gas pressure value, oxygen content value, air flow value, temperature value, and humidity value of the intake and exhaust gases, correctly evaluate the pulmonary function state of the patient through parameter comparison, thereby reasonably adjusting the monitored intake gas parameters, and supervising the operation condition of the ventilator in real time, enabling the patient to recover health at a faster speed.

The invention relates to an emergency breathing device (10) for performing emergency medical artificial respiration on a patient, comprising: a housing with an ambient air intake opening and a respiratory gas outlet opening; a fan; an air filter; and an energy storage device for supplying energy to the fan for its operation, wherein the air filter is accessible via a housing opening that is closed by means of a housing cover but can be opened and is accommodated in the housing in a conventionally replaceable manner, and wherein the energy storage device is accessible via a housing opening that is closed by means of a housing cover but can be opened and is accommodated in the housing in a conventionally replaceable manner, the emergency breathing device being characterized in that the air filter and the energy storage device are accessible via a common housing opening, wherein the common housing opening can be selectively closed and opened by means of a common housing cover.

The invention discloses an external chest compression device which comprises a bottom plate, a mounting frame, a compression part, a compression driving source, an air nozzle and an inflation structure. The pressing piece is mounted on the mounting frame in a manner of moving up and down; the pressing driving source is connected with the pressing piece and can regularly drive the pressing piece to reciprocate up and down for 50 times every 30 seconds and pause once after the pressing piece reciprocates up and down for 30 times every time; the air tap can be contained in the mouth and is connected with an air pipe; the air inflation structure is communicated with the air pipe, and air can be fed into the air nozzle twice continuously during each pause period of the pressing piece. The problem that rescuers are tired due to manual external chest compression can be solved, in addition, two actions of artificial respiration can be carried out while external chest compression is carried out, and the rescue operation action is greatly simplified.

A breathing gas humidifier (1) having a housing (20) with a housing upper part (21) and a housing lower part (23) with a water chamber (5) for humidifying and / or heating breathing gas, comprising a breathing gas inlet (2) and a breathing gas outlet (4), a breathing gas path (3) for conducting breathing gas from the breathing gas inlet (2) to the breathing gas outlet (4) is formed between the breathing gas inlet and the breathing gas outlet, which path runs through the water chamber (5), the breathing gas path (3) comprising a water-tight channel (8) for conducting humidified and / or heated breathing gas, a channel (8) opens into the water chamber (5) at one end (7) and opens into the breathing gas outlet (4) at the other end, and the channel (8) is designed such that the breathing gas outlet (4) is arranged on the housing lower part (23) and / or is at least partially formed by the housing lower part.

The utility model provides a non-asbestos composite sealing gasket. The non-asbestos composite sealing gasket comprises a sealing gasket body; the wear-resistant layer is contained in the sealing gasket, a supporting layer is arranged in the middle of the interior of the wear-resistant layer, elastic layers are arranged at the top and the bottom of the supporting layer, a heat insulation layer is arranged at the bottom of each elastic layer, and a rubber layer is arranged at the bottom of each heat insulation layer; the penetrating opening is formed in the top of the sealing gasket, and a plurality of air holes are formed in the middle of the inner surface of the penetrating opening. According to the asbestos-free composite sealing gasket, asbestos is replaced as a main material through the design, harm to an artificial respiratory tract is reduced, and the sealing gasket formed by compounding the elastic layer, the supporting layer, the elastic layer, the heat insulation layer, the rubber layer and the wear-resistant layer according to different characteristics reduces cost and improves wear resistance.

The invention relates to a respiratory device (10) for artificially respiring a patient (12), wherein a control device (18) is designed to control the flow changing device (16) to perform a P / V action, wherein in an inspiration phase, breathing gas is supplied to the patient (12) while increasing the breathing gas pressure, and in an expiration phase, after the pressure increase has ended, the breathing gas flows passively out of the patient, wherein during the inspiration phase and during the expiration phase, for a plurality of breathing gas pressures, an action-breathing gas volume associated with the currently prevailing breathing gas pressure, which is present in the patient due to the P / V action, is determined. According to the present invention, the control device (18) is configured to: - determine a sequence of compliance values ​​based on the signals of the flow sensor device (44) and the pressure sensor device (27) during the inhalation phase; - determine a reference compliance value based on the sequence of compliance values; - determine a termination compliance value as a criterion for terminating the inhalation phase, based on the reference compliance value, as a threshold value, which is different in magnitude from the reference compliance value; and - terminate the inhalation phase if the termination compliance value is reached or passed.

The invention provides an emergency first-aid breathing device and a medical bed, and relates to the technical field of artificial respiration, the emergency first-aid breathing device comprises a telescopic cylinder type air bag, one end of the telescopic cylinder type air bag is connected with a driving mechanism, and the other end of the telescopic cylinder type air bag is communicated with a rigid air outlet cylinder; the mask assembly is provided with a mask and an air valve assembly communicated with the mask, and the air valve assembly is communicated with the rigid air outlet cylinder; the mounting plate is connected to a frame and / or a bed head of the medical bed, and the driving mechanism and the rigid air outlet cylinder are connected with the lower surface of the mounting plate. Air is supplied to the mask in the mode that the driving mechanism compresses the telescopic cylinder type air bag, and positive-pressure air suction operation is achieved. Compared with a traditional spherical air bag, on one hand, operation can be completed through a mechanical structure, and manual operation is not needed; on the other hand, the air supply amount can be accurately controlled by controlling the distance of the driving mechanism for compressing the telescopic cylinder type air bag, the air supply frequency can also be accurately controlled by the telescopic frequency of the driving mechanism, and the breathing uniformity of the patient can be stably maintained.

The invention belongs to the technical field of first-aid training instruments, and particularly relates to a first-aid training device which comprises a training dummy body, one side of the training dummy body is fixedly connected with a training dummy head, the bottom end of a metronome is rotationally connected with a supporting frame, and a cavity dividing assembly is arranged in the training dummy body and is connected with the metronome head. The pressing base is used in cooperation with the cavity dividing assembly. The counting assembly is arranged at the position between the training dummy body and the metronome, and the pressing seat is used for being matched with the counting assembly for use. The display screen on the metronome is driven by the number of times of pressing the pressing seat downwards to record the number of times of pressing, so that a trainee can conveniently train the number of times of pressing per minute in a targeted manner during cardio-pulmonary resuscitation training, and different artificial respiration times can be converted according to different pressing forces of adults and children; the targeted training effect is improved, and the proficiency of the trainee for mastering the cardio-pulmonary resuscitation is further improved.

A breathing analyzer (1) for detecting breathing events, comprising an electronic computing and storage unit (2) for receiving a signal (3) of an artificial breathing pressure and / or a breathing flow and / or a breathing volume of a breathing gas and detecting the curve of the signal by means of a curve analyzer (4) during a predetermined analysis period. The computing and storage unit is for determining a signal segment (5) from the signal curve, for classifying the signal segment into one of a plurality of breathing categories by means of a comparator (7) and for storing the frequency of occurrence of the classified breathing category during the analysis period in a frequency counter (8) of the storage unit (2), and for storing at least one of the signal segments, but with a lower frequency of occurrence than detected in the frequency counter, for each classified breathing category in the storage unit. An artificial respiration device for artificial respiration, comprising a breathing analyzer according to the invention. A method for detecting breathing events.

A signal processing unit and method for determining a respiratory signal. The invention relates to a signal processing unit and a method of determining an estimate for a respiratory signal. The respiratory signal is a measure of the patient's own spontaneous respiratory activity and / or artificial respiration. A sum signal is generated from measurements measured in and / or at a body of a patient, the sum signal including a respiratory signal and a cardiac signal. An intermediate signal is calculated by compensating for the effects of cardiac activity on the sum signal. The reference attenuation signal segments describe an average time variation process of the contribution of the cardiac signal to the intermediate signal. For each heartbeat detected, an intermediate signal segment is generated. An attenuated intermediate signal segment is generated from the intermediate signal segment, for which purpose the adapted attenuated signal segment is applied to the intermediate signal segment. An adapted attenuated signal segment is calculated from the reference attenuated signal segment using at least one quality metric.

The invention relates to a respiratory device (10) for artificial respiration of a patient (12), the respiratory device comprising: a respiratory gas source device (15, 62), a flow changing device (16), a humidifying device (38), the humidifying device being designed to numerically increase the absolute humidity of the inhaled respiratory gas flow (AF), wherein the humidifying device (38) has a liquid reserve (40) and a power-variable evaporating device (76) for this purpose, and a respiratory gas line device (30) in order to convey the inhaled respiratory gas flow (AF) from the humidifying device (38) toward the patient (12). , a flow sensor (44) which detects the respiratory gas flow (AF) in numerical terms, a control device (18) which is designed to control the operating power of the evaporation device (76) in dependence on a preset desired humidity of the respiratory gas and in dependence on a signal of the flow sensor (44), wherein the respiratory gas line device (30) has a coupling component (44a) at its proximal end (30a) which is used to couple the respiratory gas line device (30) to a patient interface (31) which transmits the respiratory gas to the patient (12). According to the present invention, the control device (18) is designed to determine a subsequent state of a respiratory situation downstream of the coupling component (44a) in the inhalation direction in dependence on operating parameters of the respiratory device (10) and to change the operating power of the evaporation device (76) in dependence on the determination result.

The utility model relates to the technical field of medicinal material crushing, and discloses a pharmaceutical medicinal material crushing device which comprises a crushing box, the top end of the crushing box is fixedly connected with a feeding hopper, the top of the feeding hopper is provided with a cover plate assembly, the bottom end of the interior of the crushing box is fixedly connected with a grinding chamber, and the top end of the grinding chamber is provided with a grinding groove. And the top end of the grinding chamber is fixedly connected with an annular block on the outer side of the grinding groove, and outlets are formed in the bottom end of the grinding chamber and the bottom end of the crushing box. According to the medicinal material crushing device, through a second motor, a screw rod, a moving block, a protective sleeve, a third motor, a second rotating shaft and a grinding cone, the problems that overlarge crushed particles need to be taken out of the crushing box to be crushed again and only medicinal material powder of the same specification can be crushed are solved, and the top of the feeding hopper can be covered through a cover plate assembly; waste and influence on artificial respiration caused by powder flying out of the feeding hopper are prevented.