WO2022255903A1 - Стенд имитации внешнего дыхания человека - Google Patents
Стенд имитации внешнего дыхания человека Download PDFInfo
- Publication number
- WO2022255903A1 WO2022255903A1 PCT/RU2021/050406 RU2021050406W WO2022255903A1 WO 2022255903 A1 WO2022255903 A1 WO 2022255903A1 RU 2021050406 W RU2021050406 W RU 2021050406W WO 2022255903 A1 WO2022255903 A1 WO 2022255903A1
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- WO
- WIPO (PCT)
- Prior art keywords
- gas
- stand
- unit
- exhalation
- inhalation
- Prior art date
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 27
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 19
- 230000036284 oxygen consumption Effects 0.000 claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 230000000241 respiratory effect Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000004088 simulation Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims 2
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000004868 gas analysis Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002685 pulmonary effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B27/00—Methods or devices for testing respiratory or breathing apparatus for high altitudes
Definitions
- the utility model relates to devices for testing and researching protective respiratory equipment from the effects of external unfavorable factors.
- Known stand for testing breathing apparatus containing a stimulator of air movement including a pump with a drive having a crank mechanism /SU 720851 A1, 07.12.1984/.
- the disadvantage of the stand for testing breathing apparatus is a small percentage of automation, lack of control at each stage, the difficulty of obtaining samples for analysis, and the bulkiness of the design.
- a breathing apparatus including a stimulator of air movement, containing a housing, a drive and an associated chamber configured to change its volume, characterized in that said chamber is formed by the first disk , which is attached to the housing, by a toroidal flexible shell and a second disk, which is connected to a drive that includes an electric motor and a crank mechanism, the crank of which is mounted on the motor shaft, and the connecting rod is pivotally connected to the second disk.
- a stimulator of air movement containing a housing, a drive and an associated chamber configured to change its volume, characterized in that said chamber is formed by the first disk , which is attached to the housing, by a toroidal flexible shell and a second disk, which is connected to a drive that includes an electric motor and a crank mechanism, the crank of which is mounted on the motor shaft, and the connecting rod is pivotally connected to the second disk.
- a stimulator of air movement containing a housing, a drive and an associated chamber configured to change its volume, characterized in that said chamber is formed by the first disk
- the disadvantage of this stand is a small percentage of automation, lack of control at each stage of testing, as well as the ability to determine only one indicator, namely the pressure under the mask in the inhalation and exhalation phases.
- RPE Known Stand imitation of external respiration of a person designed to test personal respiratory protection
- the disadvantage of this stand is a small percentage of automation, the difficulty of obtaining samples for analysis, low accuracy.
- the closest analogue to the utility model is the Stand for simulating human external respiration, designed to test personal respiratory protection equipment RU 186698 ⁇ 01/29/2019, the author of which is the author and applicant of this utility model.
- the stand for imitation of human external respiration consists of the main pump, which creates a pulsating flow and is connected to the inhalation and exhalation lines with the possibility of ensuring the return movement of the gas-air mixture (GWS) through valves with RPE, the exhalation line containing the humidification and heating unit, the inhalation line equipped with a tap for connections to the oxygen consumption simulation unit, which includes an auxiliary pump that provides proportional selection of hot water, a gas composition control system made in the form of a gas analyzer, a carbon dioxide supply unit containing a carbon dioxide flow control device and passing carbon dioxide through the valve during the inhalation phase into the main pump, which is mixed with hot water, and sensors providing feedback to the control unit, including a calculation unit, characterized in that it includes a supply unit nitrogen,
- the DHW in order to enter the test mode for the “artificial lungs” installation, the DHW must necessarily meet both conditions: a temperature of 37 ° C and a humidity of 100%, with the selected volume of pulmonary ventilation.
- the time to enter the test mode of the Stand for simulating human external respiration, intended for testing personal respiratory protection equipment RU 186698 ⁇ 29.01.2019, is at least 14 minutes - when entering a light test load; at least 9 minutes - when reaching the average test load; minimum 27 minutes - when entering a heavy test load;
- the technical problem is the creation of a device similar to the stand for simulating human external respiration (RU 186698 Sh 29.01.2019), devoid of the above disadvantages, with improved operational and technical characteristics.
- This utility model solves a technical problem by replacing and eliminating some operations, improved process automation, and by adding a head dummy to the Stand to expand the range of tests.
- thermoelectric heater inside the circuit of the humidification and heating unit, due to which the set of the required DHW temperature (according to the requirements of standards or other test requirements) occurs faster and without excessive loss of time for heating the surface of the nozzle , as well as exclusion of the drainage system and the direction of condensate in the further operation of the claimed utility model;
- a head dummy device for testing breathing apparatus with a mask or helmet capable of supporting the operation of the Stand, as well as heating the outer layer of the head dummy and changing the size of the head.
- the technical result achieved in the utility model is to accelerate the required temperature of the hot water supply.
- the essence of the utility model is to achieve the mentioned technical result by creating a stand for simulating human external respiration for testing personal respiratory protection equipment (hereinafter referred to as the Stand for simulating human external respiration, or the Stand), intended for testing personal respiratory protection equipment (PPE), including a frame on which the main pump is mounted, creating a pulsating flow with separated inhalation and exhalation lines with the possibility of ensuring the return movement of the gas-air mixture (GWS) through RPE, an exhalation line containing a humidification and heating unit equipped with an expansion barrel and a heating system, an inhalation line , made in the form of a DHW cooling unit, equipped with a branch for connection with an oxygen consumption simulation unit that provides DHW withdrawal, including an auxiliary pump for DHW withdrawal in the inhalation phase and DHW discharge into the atmosphere during the exhalation phase, with the possibility of being actuated by a servomotor and controls for simulating oxygen consumption in various breathing modes, a gas composition control system made in the form of
- a control unit that performs a computational function and a control function of the stand and is made in the form of a microcontroller;
- the main pump is connected to a servo drive and, with the help of a control unit, can reproduce any breathing curve, copying the breathing of real people;
- the control unit has an intuitive user interface that allows you to control the stand in "one touch”, provides a single control center and collects information and records the test protocol in a fully automatic mode, and also performs the function of control and using feedback from the sensors located in each unit, can imitate any mode of "breathing” and quickly change modes according to the user's task;
- the auxiliary pump is driven by servo, and under the control of the control unit, can flexibly control the simulation of oxygen consumption, simulating various breathing modes;
- FIG. 1 shows a stand for simulating external respiration of a person.
- FIG. 2 shows the main pump
- FIG. 4 shows the humidification and heating unit.
- FIG. 5 shows the DHW cooling unit
- FIG. 6 shows the humidification and heating unit, side view.
- FIG. 7 shows the auxiliary pump, side view.
- FIG. 8 shows the power panel
- FIG. 9 shows the appearance of the human head mannequin included
- FIG. 10 shows a table of test modes in accordance with GOST 12.4.292-2015.
- FIG. 11 shows a part of the test protocol for RPE -SHSS-TM
- FIG. 12 shows a schedule for reaching a heavy load, according to GOST 12.4.292-2015
- the composition of the stand in Fig. 1 includes: main pump 1, tank 2 of the humidification and heating unit, line 3 of "exhalation”, line 4 of "inhalation", tee 5 for connecting RPE, unit 6 of DHW cooling; auxiliary pump 7 of the oxygen consumption simulation unit; gas flow sensor 15, expansion tank 8 of the humidification and heating unit, microcontroller 9, gas composition control system, made in the form of a gas analyzer 10 with sensor locations, temperature control system, in the form of a temperature measuring device 11 with thermocouple locations (in this figure 14 ), sensors 12 for measuring humidity, and sensor 13 for measuring air flow resistance.
- the main pump 1 in Fig. 2 contains: servo 16; check valve 18 "exhalation”; check valve 17 “inspiration”; bellows 20 of the main pump; fitting 19 for gas supply; sensor 21 of the upper position of the screw nut 22; screw nut 22 of the main pump.
- Auxiliary pump 7 (see Fig. 1) in Figs. 3 contains: auxiliary pump servo 27; check valves 26 of the auxiliary pump; bellows 23 of the auxiliary pump; sensor 24 of the upper position of the screw nut 25; screw nut 25, gas flow sensor 15 (see Fig. 1).
- the block of humidification and heating in Fig. 4 contains: tank 2 (see Fig. 1) of the humidification and heating unit, which receives DHW through connection 31 with the “exhalation” line of the main pump, “exhalation” line 3 (see Fig. 1), branch pipe 28 for connecting a humidity sensor, pipe 29 for adding water from the expansion tank 8 (see Fig. 1), pipe 32 of the thermocouple of the humidification and heating unit, pipe 30 for the selection of hot water by a gas analyzer, point 14 (see Fig. 1) of the location of the thermocouple, to control the temperature of the hot water at "exhale".
- cooling DHW in Fig. 5 contains: line 4 "inspiration"; cooler 36; outlet 34 of the DHW intake to the simulation unit for gas analysis and temperature control; branch pipe 33 condensate drain; connection 35 to the "inspiration" line of the main pump.
- thermoelectric heater (TEH) 37 thermoelectric heater 37
- water level sensor 38 branch pipe 32 of the thermocouple of the humidification and heating unit
- additional heating element 39 TEN located inside the circuit 40 of the humidification and heating unit
- point 14 of the thermocouple location on the "exhalation" line thermoelectric heater (TEH) 37
- water level sensor 38 water level sensor 38
- branch pipe 32 of the thermocouple of the humidification and heating unit additional heating element 39 TEN, located inside the circuit 40 of the humidification and heating unit
- point 14 of the thermocouple location on the "exhalation" line point 14 of the thermocouple location on the "exhalation" line.
- the power panel in Fig. 7 contains: power supply button 41; fuse 42 for 10 A, 220 V; power socket (ShS S 14) 43; plug 44 for nitrogen connection; plug
- the appearance of the mannequin head with nozzles in Fig. 8 contains: a stable base 46 for a dummy head; mannequin head 47; branch pipe 48 of the oral opening; pipe line 50 "inspiration”; pipe line 49 "exhalation”.
- Mannequin head with nozzles, side view in Fig. 9 contains: sustainable foundation
- a nozzle 58 for inflating the mannequin head located in the space between the base 52 for the mannequin head, with the flexible heating element 51 of the mannequin head located thereon, and the elastic cover 53 of the base of the mannequin head; supercharger 59 with check valve; DHW humidity measurement sensor 54, located in the pipe 49 of the "exhalation"line; thermocouple 55 for controlling the DHW temperature on the “exhale”.
- the table in FIG. 10 is an extract from GOST 12.4.292-2015, in accordance with the parameters of which RPE tests are carried out.
- FIG. 11 shows a part of the test protocol for RPE -SHSS-TM
- test time In view of the information reflected in the test report every second, information is given for the period from 05 minutes to 2 hours 05 minutes, with an interval of every 5 minutes, where the tabular form reflects information: test time, mode (selected or generated load mode), bath temperature (in the tank of the humidification and heating unit), exhalation temperature (temperature in the exhalation line nozzle), exhalation O 2 (concentration) in%, exhalation CO 2 (concentration), exhalation resistance, humidity exhalation (DHW on the "exhalation”), inhalation resistance , selection (content) O 2 (concentration in the "breath”) in l / min, gas analyzer data.
- mode selected or generated load mode
- bath temperature in the tank of the humidification and heating unit
- exhalation temperature temperature in the exhalation line nozzle
- exhalation O 2 concentration in%
- exhalation CO 2 Concentration
- DHW on the "exhalation humidity exhalation
- the graph in Fig. 12 shows the process of comparative testing of stands for simulating human external respiration, by plotting the dependence of the set of DHW temperature in time by the stand for simulating human external respiration (RU 186698 Sh 29.01.2019) and this utility model, where the time-temperature graph of the stand RU 186698 Sh 29.01 is highlighted with a long stroke .2019, where the heating element is located outside the branch pipe, the lines in the form of round dots are highlighted in the time - temperature graph of this utility model, where the stand is located inside the branch pipe.
- the solid line highlights the temperature range of 36.5-37.5 C°, under which the conditions for compliance with the required temperature of the Stand's DHW are met.
- Compliance with the conditions for starting testing of this utility model occurred in 15 minutes 16 seconds at a temperature of 36.90 ° C. Compliance with the conditions for the start of testing of the stand RU 186698 U1 on January 29, 2019 occurred at 27 minutes 13 seconds at a temperature of 36.90 ° C.
- the main pump 1 for example, bellows type, (Fig. 1) performs reciprocating movements and creates a pulsating flow, which, due to the valve system, is divided into lines of "inspiration” 4 and "exhalation” 3, which is achieved by installing check valves in different directions.
- the pump 1 is driven by the servomotor 16, while the "expiration” valve 17 is open, and the “inhalation” valve 18 remains in the closed position.
- the check valve 17 "exhalation" which is in the open position, the gas-air mixture (DHW) from the pump enters the tank 2 of the humidifier unit.
- DHW gas-air mixture
- the DHW In the humidification and heating unit, the DHW is heated to a temperature of (for example) 37 C °, with the help of a thermoelectric heater located inside the circuit, it is humidified to a relative humidity of 95% and the DHW is supplied through the “exhalation” line 3 to the tee 5 (which is a removable element, hermetically installed on the line 4 breaths and 3 breaths). Through the tee 5, hot water enters the test sample of RPE. At the “inspiration” phase, DHW from the RPD sample enters through the tee 5 into the “inspiration” line 4 into the DHW cooling unit 6. In block 6, hot water is cooled to room temperature and returned back to pump 1.
- a temperature of (for example) 37 C ° with the help of a thermoelectric heater located inside the circuit, it is humidified to a relative humidity of 95% and the DHW is supplied through the “exhalation” line 3 to the tee 5 (which is a removable element, her
- Simulation of oxygen consumption is carried out through an auxiliary pump 7, for example, a membrane type. It performs reciprocating movements with the help of its own servo drive 27, creating a pulsating gas flow , divided by check valves 26. stand controls the control unit in the form of a microcontroller 9, collecting information from the gas composition control system, made in the form of a gas analyzer 10 and a device temperature measurement 11 (including sensors 14, 32, 55, 56) and humidity measurement sensors 12 and 54.
- a microcontroller 9 collecting information from the gas composition control system, made in the form of a gas analyzer 10 and a device temperature measurement 11 (including sensors 14, 32, 55, 56) and humidity measurement sensors 12 and 54.
- the main pump 1 creates a pulsating flow.
- Two interconnected bellows 20 of the main pump 1 are driven by a servo 16.
- the screw nut 22 moves in a vertical plane to the sensor of the upper position of the screw nut 21.
- Check valves 17 "exhalation” and 18 "inspiration” open in the phases of “exhalation” and “inspiration " respectively.
- the motion program for the servo drive 16 is set by the microcontroller 9 (Fig. 1). Control of the frequency and depth of breathing is carried out automatically and is supported by the electronic systems of the stand.
- the “inspiration” valve 18 opens during the “inspiration” phase and passes DHW into the bellows 20 into the main pump, to which CO2 and nitrogen (N2) gases are added.
- the fitting 19 is designed to supply CO2 and nitrogen (N2) gas to the bellows 20.
- Auxiliary pump 7 (Fig. 1) of the oxygen consumption simulation unit extracts hot water through the valve 26 from the branch 34 for connecting the oxygen consumption simulation unit through the “inspiration” line 4 in the “inspiration” phase and returns it to the atmosphere.
- the screw nut 25, driven by the drive 27, moves in a vertical plane, stretching the bellows 23 of the auxiliary pump 7, to the sensor 24 of the upper position of the screw nut 25, thereby creating a pulsating flow.
- the withdrawn DHW volume is controlled by the flow sensor 15 (Fig. 1) at each step and, if necessary, corrected by the microcontroller 9 (Fig. 1), changing the movement program of the drive 27.
- the DHW flow is divided by check valves 26 operating in the opposite direction.
- TEN 37 heats the water (Fig. 6).
- the water temperature is controlled by thermocouple 32 of the humidification and heating unit.
- the DHW coming from the pump is heated in tank 2 to a temperature of (for example) 37°C and humidifies to a relative humidity of 95%, as well as being heated by an additional heating element 39 located inside the circuit 40 of the humidification and heating unit.
- Control and maintenance of temperature and humidity is carried out automatically by the microcontroller 9 (Fig. 1).
- the line 3 of "exhalation" there is a branch pipe 28 for connecting the humidity sensor 12 (Fig. 1).
- branch pipe 30 for the selection of hot water for gas analysis.
- the water level in tank 2 is controlled by sensor 38.
- Expansion tank 13 (Fig. 1) is equipped with a water level sensor, upon receipt of a signal from which the microcontroller 14 (Fig. 1) issues a message about the need for the stand user to add water to the expansion tank 13 (Fig. 1).
- Block 7 (Fig. 1) cools the hot water coming through line 4 "inspiration".
- the DHW cooling unit 7 is a radiator, for example, aluminum, equipped with fans, of a special design that provides cooling of the DHW to room temperature with any pulmonary ventilation.
- DHW is taken through outlet 34 to the oxygen consumption simulation unit and a gas analyzer.
- the condensate drains through pipe 33 of the DHW cooling unit into tank 2 of the humidification and heating unit.
- the power panel is used to supply power to the stand.
- Socket 43 (220 V 50 Hz, 10 A) is grounded.
- Button 41 supplies power to the entire stand.
- Fuse 42 (220V, 10A) protects the entire stand.
- Plug 44 for connecting nitrogen, plug 45 for connecting carbon dioxide are used to supply gases from cylinders to the stand up to 2 atm.
- the pumping of the head dummy is carried out as follows: from the supercharger 59 with a check valve, for example, a tonometer pear with a release valve, excess pressure is supplied through the pipe 58 to pump and depressurize the head dummy to the required value, for obturation of RPE.
- a check valve for example, a tonometer pear with a release valve
- excess pressure is supplied through the pipe 58 to pump and depressurize the head dummy to the required value, for obturation of RPE.
- the check valve (release valve) of the supercharger 59 By opening the check valve (release valve) of the supercharger 59, the excess pressure in the space between the elastic cover 53 of the base of the head dummy and the flexible heating element 51 of the head dummy is discharged, directing the excess pressure through the nozzle 58 to inflate and depressurize the head dummy into the atmosphere.
- the flexible heating element 51 of the dummy head heats the elastic cover 53 of the base of the dummy head to a temperature, for example 36 ° C, controlled by a sensor 56 located in the space between the elastic cover 53 of the base of the dummy head and the flexible heating element 51 of the dummy head, controlled by the temperature measurement device 11 and microcontroller 9.
- Measurement of airflow resistance by sensor 57 located in any part of the mask space, for example, in the lower part of the nose of the mannequin head 47, is carried out when “exhaling” through pipe 49 and “inhaling” through pipe 50, while controlling the humidity of the DHW at exhalation is carried out by the humidity sensor 54 and the temperature sensor 55 .
- the use of the stand during dynamic testing of RPE samples by increasing the level of automation, recording the test report in a fully automatic mode and taking into account information from the sensors located in each block, and fixing all breathing parameters "inhale” and “exhale” allows the stand to simulate any mode “breathing” and quickly change modes according to the user's task.
- thermoelectric heater inside the circuit of the humidification and heating block (previously, in the closest analogue of the claimed utility model, the thermoelectric heater was located outside the circuit of the humidification and heating block, as can be seen from Fig. 1, Fig. 3 and Fig. 4, where an additional heating element, indicated by the value 33 is shown over the exhalation line, as well as in practical execution, it is performed with an additional heating element placed over the branch pipe), provided a faster set of the required temperature (according to the requirements of GOST or other requirements for testing) DHW on "exhalation". Confirmation of a faster exit to the test mode can serve as comparative tests. Since the applicant of this utility model and the utility model of the closest analogue of the utility model are the same, and is also the manufacturer of the Stand, comparative tests are the most convenient way to confirm.
- the improvement in performance is achieved due to fewer operations on the device performed by the operator of the device, as the exclusion of the process of draining condensate and cleaning the drainage system presented in the closest analogue of the claimed utility model, which optimized the operation of the device.
- thermoelectric heater inside the circuit of the humidification and heating unit, due to which the set of the required DHW temperature (according to the requirements of GOST or other requirements for testing) occurs faster and without excessive loss of time and resources for heating the surface of the branch pipe, which also leads to less time spent on exit on the test mode, and hence the amount of time spent by the operator to carry out the entire test.
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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RU2021115555 | 2021-05-31 | ||
RU2021115555 | 2021-05-31 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2800288A1 (fr) * | 1999-11-03 | 2001-05-04 | App Medical De Prec Amp L | Procede et dispositif pour simuler la respiration humaine |
FR2865655B1 (fr) * | 2004-02-03 | 2006-04-28 | Roland Marais | Procede et station de traitement, de parking, de gestion des filtres a adsorption et de leur mise a disposition avec des appareils de protection respiratoire a ventilation assistee, ou libre |
CN201906310U (zh) * | 2010-12-09 | 2011-07-27 | 煤炭科学研究总院沈阳研究院 | 煤矿井下救生舱用多通道仿人呼吸检验装置 |
RU2643670C1 (ru) * | 2017-04-21 | 2018-02-05 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") | Устройство для испытания дыхательного аппарата |
RU178355U1 (ru) * | 2017-10-16 | 2018-03-30 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") | Автоматизированный испытательный комплекс "искусственные легкие" |
RU186698U1 (ru) * | 2017-12-05 | 2019-01-29 | Андрей Дмитриевич Романов | Стенд имитации внешнего дыхания человека, предназначенный для испытаний средств индивидуальной защиты органов дыхания |
-
2021
- 2021-12-01 WO PCT/RU2021/050406 patent/WO2022255903A1/ru active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2800288A1 (fr) * | 1999-11-03 | 2001-05-04 | App Medical De Prec Amp L | Procede et dispositif pour simuler la respiration humaine |
FR2865655B1 (fr) * | 2004-02-03 | 2006-04-28 | Roland Marais | Procede et station de traitement, de parking, de gestion des filtres a adsorption et de leur mise a disposition avec des appareils de protection respiratoire a ventilation assistee, ou libre |
CN201906310U (zh) * | 2010-12-09 | 2011-07-27 | 煤炭科学研究总院沈阳研究院 | 煤矿井下救生舱用多通道仿人呼吸检验装置 |
RU2643670C1 (ru) * | 2017-04-21 | 2018-02-05 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") | Устройство для испытания дыхательного аппарата |
RU178355U1 (ru) * | 2017-10-16 | 2018-03-30 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") | Автоматизированный испытательный комплекс "искусственные легкие" |
RU186698U1 (ru) * | 2017-12-05 | 2019-01-29 | Андрей Дмитриевич Романов | Стенд имитации внешнего дыхания человека, предназначенный для испытаний средств индивидуальной защиты органов дыхания |
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