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WO2012087178A1 - Dispositif d'inhalation - Google Patents

Dispositif d'inhalation Download PDF

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Publication number
WO2012087178A1
WO2012087178A1 PCT/RU2010/000785 RU2010000785W WO2012087178A1 WO 2012087178 A1 WO2012087178 A1 WO 2012087178A1 RU 2010000785 W RU2010000785 W RU 2010000785W WO 2012087178 A1 WO2012087178 A1 WO 2012087178A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
xenon
valve
oxygen
respiratory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/RU2010/000785
Other languages
English (en)
Russian (ru)
Inventor
Сергей Александрович НАУМОВ
Галина Германовна КОСТРОМИТИНА
Александр Михайлович ГОРОДЕЦКИЙ
Александр Геннадьевич ШИЛЯЕВ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OBSCHESTVO S OGRANICHENNOI OTVETSTVENNOSTYU "NAUCHNAYA KORPORATSIYA" BIOLOGIYA GAS SERVIS"
Original Assignee
OBSCHESTVO S OGRANICHENNOI OTVETSTVENNOSTYU "NAUCHNAYA KORPORATSIYA" BIOLOGIYA GAS SERVIS"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by OBSCHESTVO S OGRANICHENNOI OTVETSTVENNOSTYU "NAUCHNAYA KORPORATSIYA" BIOLOGIYA GAS SERVIS" filed Critical OBSCHESTVO S OGRANICHENNOI OTVETSTVENNOSTYU "NAUCHNAYA KORPORATSIYA" BIOLOGIYA GAS SERVIS"
Priority to EA201300003A priority Critical patent/EA021870B1/ru
Priority to RU2012152885/14A priority patent/RU2541338C2/ru
Priority to PCT/RU2010/000785 priority patent/WO2012087178A1/fr
Publication of WO2012087178A1 publication Critical patent/WO2012087178A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0883—Circuit type
    • A61M16/0891—Closed circuit, e.g. for anaesthesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/1055—Filters bacterial
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/107—Filters in a path in the inspiratory path
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M2016/102—Measuring a parameter of the content of the delivered gas
    • A61M2016/1025—Measuring a parameter of the content of the delivered gas the O2 concentration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M2016/102—Measuring a parameter of the content of the delivered gas
    • A61M2016/1035—Measuring a parameter of the content of the delivered gas the anaesthetic agent concentration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/02—Gases
    • A61M2202/0208—Oxygen
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/02—Gases
    • A61M2202/0291—Xenon

Definitions

  • the invention relates to medicine and can be used in neurology, narcology, therapy, in the treatment of occupational diseases, preventive medicine, in the rehabilitation and restoration of the body after an illness, as well as after stressful mental and physical stress.
  • a device for carrying out inhalation anesthesia with a gas mixture of xenon with oxygen (patent RU N ° 2183476, on. 06.20.2002).
  • the device contains a gas supply unit with sources compressed gases, a breathing circuit including a gas analyzer, a patient’s breathing mask, an inspiratory line, an exhalation line, disinfecting elements installed on the inspiratory line and the exhalation line, a device for absorbing carbon dioxide and water.
  • the disadvantages of the device include the possible loss of xenon due to the complexity of the design.
  • it is equipped with rotameters, a cryopump, a chromatograph, which requires special maintenance, makes the device expensive, bulky, this does not allow it to be used in the field, clinics, ambulances.
  • a device for inhalation comprising a gas supply unit connected to compressed gas sources, a capture unit, a closed breathing circuit connected to a gas supply unit and including a patient’s breathing mask, inhalation / expiration line , a gas analyzer with sensors, a device for absorbing carbon dioxide and at least one respiratory capacity.
  • the disadvantages of the device include a large internal volume of the respiratory chamber, which leads to a large gas flow rate, increased respiratory resistance, and the presence of sterilization elements increases the bulkiness of the device, the location of the backup bags on the side opposite to the respiratory circuit leads to increased respiratory resistance.
  • the closest analogue adopted for the prototype is a device for inhalation with a gas mixture of xenon with oxygen (WO 2009/139657, PCT RU 2008/000300), comprising a gas supply unit connected to compressed gas sources, a capture unit, a closed breathing circuit connected to the unit gas supply and including a patient’s breathing mask, inhalation / exhalation line, gas analyzer with sensors, CO 2 absorber, and at least one respiratory capacity, contains a gas distribution unit connected to the patient’s breathing mask through the inspiration / expiration line and with a gas analyzer, the sensors of which are located inside the gas distribution unit, while the gas distribution unit is made in the form of a monolith with channels for the gas mixture to be distributed and fed into the highway inhalation / exhalation, to the sensors of the gas analyzer and to the capture unit, and the respiratory capacity is installed on the inhalation / exhalation line between the mask and the gas distribution unit.
  • the device is connected to the respiratory circuit in series - sensors, an oxygen supply unit, a breathing bag, which increases the resistance to breathing due to the significant length of the respiratory circuit.
  • a significant length of the respiratory circuit increases the volume of the gas mixture for consumption, which negatively affects the consumption of xenon, which is an expensive gas.
  • the task to which this technical solution is aimed is to reduce gas consumption, increase safety and comfort for the patient during treatment, increase the reliability of the device, increase the accuracy of the preparation of the respiratory mixture.
  • the closed breathing circuit contains a gas manifold, in the housing of which xenon and oxygen sensors of the gas analyzer are located, a device for absorbing carbon dioxide, at least one breathing tank, a safety valve, and a check valve is installed at the inlet of the gas manifold connecting it to the gas distribution unit and at the outlet there is a shut-off valve connecting the gas manifold through the breathing tube with a bactericidal filter and a breathing mask, and the gas distribution unit contains a system th control the flow of gases.
  • the check and shut-off valves are installed coaxially with the longitudinal axis of the gas manifold body.
  • Safety valve connected to a device for trapping xenon from a used breathing mixture
  • the gas source contains xenon and oxygen cylinders, balloon pressure regulators, strainer, precision pressure regulators
  • the volume of the internal cavity of the body of the gas manifold and the volume of the cavities placed on it devices - gas analyzer sensors, devices for absorbing carbon dioxide, shut-off valve, safety valve, at least one respiratory capacity, form a single closed volume.
  • the internal volume of the gas distribution unit is not more than 15 ml
  • the gas distribution unit may have a mechanical or electromechanical or electrical gas flow control system.
  • the gas flow control system is connected to the gas analyzer with feedback.
  • the gas flow control system may not be interconnected with the feedback analyzer
  • the mechanical gas flow control system contains two mechanical regulators of xenon and oxygen gas flow with built-in chokes, and an additional oxygen supply tap.
  • the electromechanical gas flow control system contains two mechanical regulators of xenon and oxygen gas flow with integrated choke blocks, an additional oxygen supply valve, xenon and oxygen solenoid valves, gas bypass valves for mechanical gas flow regulators, a programmable electromagnetic valve control unit
  • the electric gas flow control system contains solenoid valves for xenon and oxygen supply, throttles for xenon and oxygen supply, a programmable control unit for electromagnetic valves, an additional oxygen supply valve.
  • FIG. 1 is a schematic diagram of a device for inhalation.
  • FIG. 2 shows a schematic diagram of the source of basics
  • FIG. 3 shows a schematic diagram of a gas distribution unit with mechanical control of gas flow
  • Figure 4 shows a schematic diagram of a gas distribution unit with electromechanical control of gas flow
  • Figure 5 shows a schematic diagram of a gas distribution unit with electric gas flow control
  • Figure 6 presents the gas manifold, General view
  • FIG. 9 shows a gas manifold, section BB in FIG. 7
  • a device for inhalation of a gas mixture of xenon with oxygen contains a closed breathing circuit 1, which includes a gas manifold 2, in the housing 3 of which there are oxygen sensors 4 and xenon 5 of the gas analyzer 6, a device 7 for absorbing carbon dioxide, at least one respiratory capacity 8 safety valve 9.
  • a check valve 10 is installed that connects the gas manifold to the gas distribution unit 11, and at the outlet, a shut-off valve 12 is connected that connects the gas collector through the breathing tube 13 with the bactericidal filter 14 and the patient’s breathing mask 15.
  • the volume of the internal cavity of the body of the gas manifold 2 and the volumes of the cavities placed on it of the device - sensors of the gas analyzer 4 and 5, the device 7 for absorption of carbon dioxide, the shut-off valve 12, the safety valve 9, at least one breathing tank 8, form a single closed volume .
  • This design of the gas manifold and the layout of the elements of the device with the absence of extended gas ducts provides the optimal mode of mixing the gases of the respiratory mixture both during its preparation and during inhalation. Due to the reduction in the total length of the gas ducts of the respiratory circuit, breathing resistance is reduced, which provides improved comfort for patients with inhalation.
  • Reverse 10 and shut-off 11 valves are installed coaxially to the longitudinal axis 16 of the housing 3 of the gas manifold 2
  • the safety valve 9 is connected to the device for capturing xenon 17 from the spent breathing mixture All the above parts and components of the device for inhalation are interconnected by gas flues.
  • the internal volume of the gas distribution unit 11 is not more than 15 ml
  • the gas distribution unit 11 is connected to a gas source 18 and comprises a gas flow control system.
  • gaseous xenon and oxygen are supplied to a gas distribution unit 11, in which they are converted into streams with predetermined flow characteristics, depending on the requirements of the treatment technology, and mixed into a breathing mixture.
  • the respiratory gas mixture is supplied to the gas manifold 2 through the check valve 10.
  • the non-return valve 10 is designed to prevent products exhaled by the patient from entering the gas distribution unit 11.
  • the presence of a non-return valve 10 in the gas duct between the gas manifold 1 and the gas distribution unit 11 eliminates the need for disinfection of the latter after inhalation.
  • a gas analyzer 6 with xenon 4 and oxygen 5 sensors connected to a gas manifold 2 analyzes the composition of the respiratory mixture for the amount of xenon and oxygen contained in it. Such an analysis is carried out both in preparation for inhalation, and during it.
  • the carbon dioxide absorber 7 connected to the gas manifold 2 adsorbs carbon dioxide exhaled by the patient. As a sorbent in a carbon dioxide absorber, soda lime is used.
  • the discharge of the gas mixture through the safety valve 9 is carried out in the device for capturing xenon 17.
  • the respiratory container 8, for example, a breathing bag, is used to accumulate the required volume of the prepared respiratory mixture before inhalation and to collect gases exhaled by the patient and moisture during inhalation.
  • the patient breathes the gas mixture through a breathing mask 15 connected to the bactericidal filter 14.
  • the breathing mask 15 and the bactericidal filter 14 are connected by a flexible breathing tube 13 to the gas manifold 2 through the shut-off valve 12.
  • the gas source 18 (FIG. 2) is intended for supplying xenon and oxygen to the gas distribution unit 11 with predetermined stabilized pressure values and contains a xenon cylinder 19, an oxygen cylinder 20, balloon valves 21 and 22, pressure regulators 23 and 24, a strainer 25 precision pressure regulators 26 and 27.
  • Gases in cylinders 19 and 20 installed in the gas source 18 are under pressure up to 20 MPa.
  • the pressure of the gases supplied through the gas ducts through the balloon valves 21 and 22 is lowered by the pressure regulators 23 and 24 to values from 0.3 to 0.7 MPa.
  • a strainer 25 is provided in the oxygen duct for purifying the gas from possible ingress of small solid particles from the cylinder 20 together with the gas, which can cause mechanical damage to the components of the device.
  • the precision pressure regulators 26 and 27 installed at the outlet of the gas source 18 reduce the xenon and oxygen pressure to 0.02 MPa and hold this value stably for the entire period of operation of the device.
  • the design of the gas distribution unit 11 can be performed either with a mechanical (Fig. 3) or electromechanical (Fig. 4) or electric (Fig. 5) gas flow control system.
  • the mechanical gas flow control system comprises a xenon flow regulator 28 with a throttle block, an oxygen flow regulator 29 with a throttle block, an additional oxygen supply valve 30.
  • Xenon and oxygen enter the gas distribution unit 11 from the gas source 18 to the inputs of the regulators 28 and 29, respectively.
  • Each of the regulators can be set in one of four states: “Closed”; "Gas flow 100 ml / min”; “Gas flow rate 250 ml / min”; “Gas flow rate of 500 ml / min.”
  • Three adjustable chokes Ql, Q2, Q3 are built into each 28.29 regulator, each of which is configured for the corresponding gas flow rate - 100 ml / min, 250 ml / min, 500 ml / min.
  • Oxygen is also supplied to the valve for supplying an additional volume of oxygen 30.
  • xenon and oxygen are mixed in a common gas duct 31 and fed to the inlet of the non-return valve 10. If necessary, the valve for supplying an additional volume of oxygen 30 is opened, while the gas also enters the common gas duct 31 and is fed to the inlet of the check valve 10.
  • the electromechanical gas flow control system contains a mechanical xenon flow regulator 28 with a throttle block Ql, Q2, Q3, a mechanical oxygen flow regulator 29 with a throttle block Ql, Q2, Q3, an additional oxygen supply valve 30, bypass valves 32a, 326 for supplying gas to mechanical gas flow regulators 28, 29, xenon supply solenoid valve 33, oxygen supply solenoid valve 34, programmable solenoid valve control unit 35.
  • Xenon enters the gas distribution unit 11 from the gas source 18 to the input of the regulator 28, to the inlet of the bypass valve 32a to the input of the electromagnetic valve 33.
  • Oxygen enters the gas distribution unit 11 from the gas source 18 to the input regulator 29, to the input of the bypass valve 326, to the input of the electromagnetic valve 34. Oxygen is also supplied to the supply valve of an additional volume of oxygen 30.
  • a distinctive feature of the gas distribution unit with electromechanical control of gas flow is the existing ability to control gas flows in different modes. During mechanical control, the programmable solenoid valve control unit 35 must be blocked or disconnected, the solenoid valves 33,34 are set to the “closed” position, the bypass gas supply valves 32a, 326 must be open.
  • gas flow control is carried out in the same way as when using the gas distribution unit with mechanical control.
  • the taps 32a, 326 of the bypass gas supply lines must be closed.
  • Mechanical regulators of 28.29 gas flow rates are used to organize the supply of gases with flow rates of 100 ml / min, 250 ml / min and 500 ml / min, and the solenoid valves 33 and 34, when opened, provide gas supply to the regulators 28.29.
  • the duration and frequency of opening of the solenoid valves 33,34 is set by the programmable block 35 of the control of the electromagnetic valves, for example, by a programmable logic controller.
  • xenon and oxygen are mixed in a common gas duct 31 and fed to the inlet of the check valve 10. If necessary, for example, when the oxygen level in the breathing mixture decreases 20%, patient, tap opens 30 supplying an additional volume of oxygen, while the gas also enters the common gas duct 31 and is supplied to the inlet of the check valve 10.
  • the electric gas flow control system comprises a xenon flow throttle 36, an oxygen flow throttle 37, an additional oxygen supply valve 30, a xenon supply solenoid valve 33, an oxygen supply solenoid valve 34, a programmable solenoid valve control unit 35.
  • Xenon and oxygen enter the gas distribution unit 11 from the gas source 18 to the inputs of the electromagnetic valves 33 and 34, respectively.
  • Oxygen is also supplied to the valve for supplying an additional volume of oxygen 30.
  • gases From the valve outlets 33.34, gases through adjustable throttles 36.37, adjusted to flow rates, for example, 500 ml / min, enter the common duct 31, mix and feed to the return input valve 10.
  • the volume of gas supplied and their ratio are determined by the duration and frequency of opening of the solenoid valves 33,34 controlled by a programmable control unit for solenoid valves 35, for example, a programmable logic controller. If necessary, for example, when the oxygen level in the breathing mixture is reduced to less than 20%, the additional oxygen supply valve 30 opens, while the gas also enters the common gas duct 31 and is supplied to the inlet of the non-return valve 10.
  • the device operates as follows. Preparation of the device for inhalation is carried out in the following sequence.
  • the gas analyzer 6 is put into a state of readiness for measuring controlled parameters, the regulators 28.29, the valve 30 of the gas distribution unit 11 with mechanical and electrical control, the taps 30, 32a, 326 of the gas distribution unit 11 with the electromechanical control are set to the "Closed" position.
  • the safety valve regulator 9 is set to the "Protection" position, through the shut-off valve 12, by squeezing the breathing bag 8, air is displaced from the breathing circuit 1 and the shut-off valve 12 is closed.
  • the valves 21 and 22 open.
  • the pressure regulators 23 and 24 are adjusted to the operating pressure in the range of 0.3 ... 0.7 MPa.
  • Xenon and oxygen after precision regulators 26 and 27 under pressure of 0.02 MPa enter the gas distribution unit 11. The order and nature of the steps taken to pre-fill the respiratory circuit with a gas mixture and inhalation depends on the type of gas distribution unit used.
  • the respiratory circuit When using a gas control unit with mechanical control, the respiratory circuit is pre-filled by setting the xenon and oxygen flow controllers to the 500 ml / min mode.
  • the volume of the gas mixture supplied before inhalation should be equal to approximately one liter.
  • the composition of the prepared gas mixture is controlled by the readings of the gas analyzer 6. If necessary, the ratio of gases in the mixture is adjusted by setting the regulators 28.29 in the corresponding gas supply modes. After pre-filling the respiratory circuit 1 with a gas mixture, the regulators 28.29 are set to the "Closed" position. The device is prepared for inhalation.
  • a breathing mask 15 with a snug fit is applied to the patient’s face, the shut-off valve 12 opens.
  • the gas flow controllers 28.29 are set to the working gas supply mode according to the doctor’s testimony.
  • the gas supply is adjusted by setting the regulators 28, 29 in the corresponding modes.
  • the patient breathes a breathing mixture. Exhalation products are returned to the respiratory circuit 1, the exhaled carbon dioxide is adsorbed by the carbon dioxide absorber in the device 7. Inhalation lasts within 1-5 minutes.
  • the decision to terminate the procedure is made by the doctor, evaluating the patient's condition.
  • an additional supply of oxygen can be used using a valve 30, and if the pressure in the respiratory circuit 1 is exceeded above a predetermined value set by the doctor within 30-40 cm of water. Art., provides pressure relief through the safety valve 9.
  • the inhalation is completed in the sequence: the shut-off valve 12 is closed, the respiratory mask 15 is removed from the patient’s face, the safety valve 9 is opened, by squeezing the breathing bag 8 the spent breathing mixture is displaced from the breathing circuit 1 into the xenon trap 17, the safety valve 9 is set to “ Protection ”, the shut-off valve opens 12.
  • the cycle of preparation and conduct of inhalation is completed.
  • the preliminary filling of the respiratory circuit 1 is carried out by setting the xenon and oxygen flow controllers in the 500 ml / min mode. From programmable solenoid valve control unit 35 33.34 of the latter are set to the "Open" position. The volume of the gas mixture supplied before inhalation must be equal to the set value in the control program, for example, 2-Zl. The composition of the prepared gas mixture is controlled according to the testimony of the gas analyzer 6. Regulation of the ratio of gases in the mixture and closing of the electromagnetic valves 33,34 is performed automatically. The device is prepared for inhalation.
  • a breathing mask 15 with a snug fit is applied to the patient's face, the shut-off valve 12 opens.
  • the gas flow controllers 28,29 are set to the working gas supply mode. Gases are supplied to the breathing circuit 1 in a volume directly proportional to the opening time of the electromagnetic valves 33, 34, the ratio of gases in the breathing mixture is automatically adjusted.
  • the patient breathes a breathing mixture. Exhalation products are returned to the respiratory circuit 1, the exhaled carbon dioxide is adsorbed by the carbon dioxide absorber 7. Inhalation lasts from one to five minutes.
  • the decision on the choice of modes of inhalation and termination of the procedure is made by the doctor, evaluating the patient's condition. In this case, there is the possibility of using the automatic mode of inhalation and its termination.
  • an additional supply of oxygen can be used by means of a valve 30, and if the pressure in the respiratory circuit 1 is exceeded above the set value set by the doctor within 30-40 cm of water.
  • gas can be supplied through bypass flues bypassing the solenoid valves through taps 32a, 32b.
  • the shut-off valve 12 closes, the respiratory mask 15 is removed from the patient's face, the valve opens safety 9, by squeezing the breathing bag 8, the spent breathing mixture is displaced from the breathing circuit 1 into the xenon trap 17, the safety valve 9 is set to the "Protection" position, the shut-off valve 12 opens. The cycle of preparation and conduct of inhalation is completed.
  • the preliminary filling of the respiratory circuit is carried out automatically by selecting the appropriate command on the panel of the programmable block 35 for controlling the electromagnetic valves 33.34.
  • the volume of the gas mixture supplied before inhalation should be equal to the set value in the control program, which is approximately one liter.
  • the composition of the prepared gas mixture is controlled by the readings of the gas analyzer.
  • the regulation of the ratio of gases in the mixture and the closing of the solenoid valves 33,34 is carried out automatically.
  • the device is prepared for inhalation.
  • a breathing mask 15 with a snug fit is placed on the patient's face, the shut-off valve 12 opens.
  • the electromagnetic valves 33.34 open. Gases are supplied to the breathing circuit in the amount directly proportional to the opening time of the electromagnetic valves, the ratio of gases in the breathing mixture is automatically adjusted.
  • the patient breathes a breathing mixture.
  • the exhaled products are returned to the respiratory circuit, the exhaled carbon dioxide is adsorbed by the carbon dioxide absorber in device 7, (for example, which absorber?). Inhalation lasts within 1-5 minutes.
  • the decision on the choice of modes of inhalation and termination of the procedure is made by the doctor, evaluating the patient's condition.
  • shut-off valve 12 is closed, the respiratory mask 15 is removed from the patient’s face, the safety valve 9 is opened, by squeezing the breathing bag 8, the exhaust respiratory mixture is displaced from the breathing circuit 1 into the xenon trap 17, the safety valve 9 is set to the “Protection” position, shut-off valve 12 opens. The cycle of preparation and conduct of inhalation is completed.
  • the design of the gas manifold and the layout of the elements of the device with the absence of extended gas ducts ensures the optimal mode of mixing the gases of the respiratory mixture both during its preparation and during inhalation. Due to the reduction in the total length of the gas ducts of the respiratory circuit, breathing resistance is reduced, which provides improved comfort for patients with inhalation. - improving the safety and comfort for the patient during treatment, increasing reliability, improving accuracy, by automating the inhalation process
  • the claimed invention can be used in narcology, neurology, therapy, in the treatment of occupational diseases, preventive medicine, in the rehabilitation and restoration of the body after an illness, as well as after stressful mental and physical stress.

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  • Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

L'invention concerne le domaine de la médecine. Un dispositif d'inhalation, de préférence, d'un mélange gazeux constitué d'oxygène et de xénon, comprend un circuit respiratoire fermé comprenant un masque respiratoire du patient, un dispositif d'absorption de gaz carbonique et au moins un récipient respiratoire relié à une unité de distribution de gaz qui est reliée à la source des gaz et, via les capteurs d'oxygène et de xénon, à l'analyseur de gaz. Le circuit respiratoire fermé comprend un collecteur de gaz dans le boîtier duquel sont disposés les capteurs d'oxygène et de xénon de l'analyseur de gaz, le dispositif d'absorption de gaz carbonique, une soupape de sécurité et au moins un récipient respiratoire. A l'entrée du collecteur de gaz on a monté une soupape anti-retour le relient à l'unité de distribution de gaz; à son entrée, on a monté une vanne de fermeture reliant le collecteur de gaz via un tube respiratoire à un filtre bactéricide et au masque respiratoire. L'unité de distribution de gaz comprend un system de gestion de débit de gaz.
PCT/RU2010/000785 2010-12-24 2010-12-24 Dispositif d'inhalation Ceased WO2012087178A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EA201300003A EA021870B1 (ru) 2010-12-24 2010-12-24 Устройство для ингаляции
RU2012152885/14A RU2541338C2 (ru) 2010-12-24 2010-12-24 Устройство для ингаляции
PCT/RU2010/000785 WO2012087178A1 (fr) 2010-12-24 2010-12-24 Dispositif d'inhalation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2010/000785 WO2012087178A1 (fr) 2010-12-24 2010-12-24 Dispositif d'inhalation

Publications (1)

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WO2012087178A1 true WO2012087178A1 (fr) 2012-06-28

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PL3589146T3 (pl) 2017-02-28 2023-07-17 Philip Morris Products S.A. Urządzenie do wytwarzania aerozolu zawierające siłownik de-aglomerujący proszek
CN108543188A (zh) * 2018-05-03 2018-09-18 浙江氙科医疗器械有限公司 一种推移式氙氧混合气体吸入系统装置的储气机构
RU196168U1 (ru) * 2019-08-07 2020-02-18 Общество с ограниченной ответственностью "КсеМед" Ксеноновый терапевтический ингаляционный аппарат с обратной связью

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US4903693A (en) * 1987-08-19 1990-02-27 Anzai Sogyo Co., Ltd. Xenon inhalation apparatus
DE19751597A1 (de) * 1997-11-21 1999-09-16 Draeger Medizintech Gmbh Anästesiebeatmungsgerät
RU2219964C2 (ru) * 2001-10-25 2003-12-27 Открытое акционерное общество "Уральский приборостроительный завод" Аппарат ингаляционного наркоза минимального потока
WO2009139657A1 (fr) * 2008-05-15 2009-11-19 Naumov Sergei Aleksandrovich Procédé d’inhalation et dispositif pour sa mise en oeuvre

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Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US4903693A (en) * 1987-08-19 1990-02-27 Anzai Sogyo Co., Ltd. Xenon inhalation apparatus
DE19751597A1 (de) * 1997-11-21 1999-09-16 Draeger Medizintech Gmbh Anästesiebeatmungsgerät
RU2219964C2 (ru) * 2001-10-25 2003-12-27 Открытое акционерное общество "Уральский приборостроительный завод" Аппарат ингаляционного наркоза минимального потока
WO2009139657A1 (fr) * 2008-05-15 2009-11-19 Naumov Sergei Aleksandrovich Procédé d’inhalation et dispositif pour sa mise en oeuvre

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RU2012152885A (ru) 2014-06-20
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EA201300003A1 (ru) 2013-06-28

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