CN116474222A - Breathing equipment capable of realizing multiple breathing modes and breathing machine - Google Patents

Breathing equipment capable of realizing multiple breathing modes and breathing machine Download PDF

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Publication number
CN116474222A
CN116474222A CN202310406347.5A CN202310406347A CN116474222A CN 116474222 A CN116474222 A CN 116474222A CN 202310406347 A CN202310406347 A CN 202310406347A CN 116474222 A CN116474222 A CN 116474222A
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China
Prior art keywords
output end
breathing
input end
way valve
oxygen
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Pending
Application number
CN202310406347.5A
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Chinese (zh)
Inventor
王宇晓
王宏强
郭承欢
马伟佳
刘振红
王静
何新喜
周万乡
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Hebei Medical Technology Co ltd
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Hebei Medical Technology Co ltd
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Priority to CN202310406347.5A priority Critical patent/CN116474222A/en
Publication of CN116474222A publication Critical patent/CN116474222A/en
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    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
    • A61M16/022—Control means therefor
    • A61M16/024—Control means therefor including calculation means, e.g. using a processor
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • 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. mouth-to-mouth respiration; 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
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • A61M16/202—Controlled valves electrically actuated
    • A61M16/203—Proportional
    • A61M16/204—Proportional used for inhalation control
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
    • 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. mouth-to-mouth respiration; 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention relates to the technical field of medical equipment, and provides ventilation equipment capable of realizing multiple breathing modes and a breathing machine. The ventilation equipment comprises an oxygen input assembly, a turbine fan, a respiration control valve assembly, a sensor assembly, a two-position three-way valve assembly and an air outlet; the oxygen input assembly comprises a proportional valve seat, a proportional valve and a quick-plug elbow; the respiration control valve assembly comprises a straight-through valve body and a first pagoda joint, and an air passage inlet and an air passage outlet are formed in the straight-through valve body; the two-position three-way valve assembly comprises a two-position three-way valve seat, a second pagoda joint and a positive end expiratory pressure joint, the ventilation equipment and the breathing machine realize different concentration air-oxygen mixing, the breathing ventilation can be monitored and can be fed back and the positive end expiratory pressure can be set and regulated, the support and the guarantee are provided for the auxiliary breathing of patients, the working pressure of medical staff is slowed down, and the working efficiency is improved.

Description

Breathing equipment capable of realizing multiple breathing modes and breathing machine
Technical Field
The invention relates to the technical field of medical equipment, in particular to ventilation equipment capable of realizing multiple breathing modes and a breathing machine.
Background
Oxygen is essential for human physiological operation, but when the human body functions are damaged, the human body can not breathe spontaneously. The breathing machine is a device which can replace, control or change normal physiological breathing of people, increase lung ventilation, improve respiratory function, reduce internal consumption of human body and save heart reserve capacity and can be used for emergency.
However, current ventilator modes are relatively single, the possible demands on human emergency do not provide for varying concentrations and sufficient oxygen pressure, and lack monitoring feedback on the fluid and regulation functions for feedback situations.
Disclosure of Invention
The present invention is directed to solving at least one of the technical problems existing in the related art. Therefore, the invention provides ventilation equipment and a ventilator capable of realizing multiple breathing modes.
The invention provides ventilation equipment capable of realizing multiple breathing modes, which comprises an oxygen input assembly, a turbine fan, a breathing control valve assembly, a sensor assembly, a two-position three-way valve assembly and an air outlet;
the oxygen input assembly comprises a proportional valve seat, a proportional valve and a quick-plug elbow, wherein the input end of the quick-plug elbow is externally connected with an oxygen source, the output end of the quick-plug elbow is connected with the input end of the proportional valve seat, the output end of the proportional valve seat is connected with the input end of the proportional valve, and the output end of the proportional valve is connected with the input end of the turbine fan;
the breathing control valve assembly comprises a straight-through valve body and a first pagoda connector, wherein an air passage inlet and an air passage outlet are formed in the straight-through valve body, the air passage inlet is connected with the output end of the turbofan, the input end of the first pagoda connector is connected with the straight-through valve body, and the output end of the first pagoda connector is connected with the input end of the two-position three-way valve assembly;
the two-position three-way valve assembly comprises a two-position three-way valve seat, a second pagoda connector and a positive end expiratory pressure connector, wherein the input end of the positive end expiratory pressure connector is connected with the output end of the turbofan, the output end of the positive end expiratory pressure connector is connected with the input end of the two-position three-way valve seat, the output end of the two-position three-way valve seat is connected with the input end of the sensor assembly, the output end of the sensor assembly is connected with the air outlet, the input end of the second pagoda connector is connected with the output end of the first pagoda connector, and the output end of the second pagoda connector is connected with the input end of the two-position three-way valve seat.
According to the ventilation equipment capable of realizing multiple breathing modes, which is provided by the invention, the ventilation equipment further comprises a fan connecting sleeve, wherein the input end of the fan connecting sleeve is connected with the output end of the turbine fan, and the output end of the fan connecting sleeve is connected with the input end of the air passage inlet.
According to the ventilation device capable of realizing multiple breathing modes, the oxygen input assembly further comprises an oxygen pressure sensor plate for measuring the pressure of input oxygen, and the oxygen pressure sensor plate is arranged on the proportional valve seat.
According to the ventilation equipment capable of realizing multiple breathing modes, the breathing control valve assembly further comprises a driving motor for opening and closing the gas transmission channel and an angle sensor for detecting the state of the gas transmission channel, wherein the first end of the driving motor is connected with the through valve body, and the second end of the driving motor is connected with the angle sensor.
According to the ventilation equipment capable of realizing multiple breathing modes, the two-position three-way valve assembly further comprises a gland and a platform valve membrane, a first air chamber is enclosed by the gland and connected with the first end of the platform valve membrane, a second air chamber is enclosed by the second end of the platform valve membrane and connected with the two-position three-way valve seat, and the first air chamber is communicated with the second air chamber.
According to the ventilation equipment capable of realizing multiple breathing modes, provided by the invention, the ventilation equipment further comprises a piezoelectric pump and a main board, wherein the output end of the main board is connected with the input end of the piezoelectric pump, and the output end of the piezoelectric pump is connected with the input end of the two-position three-way valve seat.
According to the ventilation device capable of realizing multiple breathing modes, the sensor assembly comprises the oxygen concentration sensor and the gas flow sensor, wherein the input end of the oxygen concentration sensor is connected with the output end of the two-position three-way valve seat, the output end of the oxygen concentration sensor is connected with the input end of the gas flow sensor, and the output end of the gas flow sensor is connected with the gas outlet.
The invention also provides a ventilator capable of achieving multiple breathing modes, including a ventilator capable of achieving multiple breathing modes as defined in any of the preceding claims.
According to the ventilation equipment and the breathing machine capable of realizing multiple breathing modes, the independent input of high-pressure oxygen and normal-pressure oxygen can be realized through the oxygen input assembly, the air-oxygen mixing function of oxygen with different concentrations can be realized, and the parameter setting can be performed according to different breathing modes, so that the proper working mode is selected, the independent control is performed, the working pressure of medical staff is slowed down, and the working efficiency is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of an oxygen input assembly in a ventilator capable of implementing multiple breathing modes according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a respiratory control valve assembly in a ventilator that implements multiple modes of breathing in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a two-position three-way valve assembly in a ventilator capable of implementing multiple breathing modes according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a ventilation device capable of implementing multiple breathing modes according to an embodiment of the present invention;
fig. 5 is a schematic front view of a ventilation device capable of implementing multiple breathing modes according to an embodiment of the present invention.
Reference numerals:
1. an oxygen input assembly; 101. a proportional valve seat; 102. a proportional valve; 103. quick-inserting elbow; 104. an oxygen pressure sensor plate; 2. a turbine fan; 3. a respiratory control valve assembly; 301. a straight-through valve body; 302. a first pagoda joint; 303. an airway inlet; 304. an airway outlet; 305. a driving motor; 306. an angle sensor; 4. a sensor assembly; 401. an oxygen concentration sensor; 402. a gas flow sensor; 5. a two-position three-way valve assembly; 501. two-position three-way valve seat; 502. a second pagoda joint; 503. a positive end expiratory pressure fitting; 504. a gland; 505. a platform valve diaphragm; 6. an air outlet; 7. the fan connecting sleeve; 8. a piezoelectric pump; 9. and a main board.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Embodiments provided by the present invention are described below with reference to fig. 1 to 5.
The invention provides ventilation equipment capable of realizing multiple breathing modes, which comprises an oxygen input assembly 1, a turbine fan 2, a breathing control valve assembly 3, a sensor assembly 4, a two-position three-way valve assembly 5 and an air outlet 6;
the oxygen input assembly 1 comprises a proportional valve seat 101, a proportional valve 102 and a quick-plug elbow 103, wherein the input end of the quick-plug elbow 103 is externally connected with an oxygen source, the output end of the quick-plug elbow 103 is connected with the input end of the proportional valve seat 101, the output end of the proportional valve seat 101 is connected with the input end of the proportional valve 102, and the output end of the proportional valve 102 is connected with the input end of the turbofan 2;
the respiratory control valve assembly 3 comprises a straight-through valve body 301 and a first pagoda joint 302, wherein an air passage inlet 303 and an air passage outlet 304 are arranged on the straight-through valve body 301, the air passage inlet 303 is connected with the output end of the turbofan 2, the input end of the first pagoda joint 302 is connected with the straight-through valve body 301, and the output end of the first pagoda joint 302 is connected with the input end of the two-position three-way valve assembly 5;
the two-position three-way valve assembly 5 comprises a two-position three-way valve seat 501, a second pagoda joint 502 and a positive end expiratory pressure joint 503, wherein the input end of the positive end expiratory pressure joint 503 is connected with the output end of the turbofan 2, the output end of the positive end expiratory pressure joint 503 is connected with the input end of the two-position three-way valve seat 501, the output end of the two-position three-way valve seat 501 is connected with the input end of the sensor assembly 4, the output end of the sensor assembly 4 is connected with the air outlet 6, the input end of the second pagoda joint 502 is connected with the output end of the first pagoda joint 302, and the output end of the second pagoda joint 502 is connected with the input end of the two-position three-way valve seat 501.
Further, a fast-inserting elbow in the oxygen input assembly is externally connected with a high-pressure oxygen source and a normal-pressure oxygen source of 0.3MPA-0.6MPA, the high-pressure oxygen source and the normal-pressure oxygen source are controlled by a proportional valve, and the high-pressure oxygen source and the normal-pressure oxygen source are output through the proportional valve after flow control.
Further, the positive end breathing pressure connector in the two-position three-way valve assembly is connected with an external PEEP valve through a hose so as to realize the PEEP function of the invention.
The air conditioner further comprises a fan connecting sleeve 7, wherein the input end of the fan connecting sleeve 7 is connected with the output end of the turbine fan 2, and the output end of the fan connecting sleeve 7 is connected with the input end of the air passage inlet 303.
Wherein the oxygen input assembly 1 further comprises an oxygen pressure sensor plate 104 for measuring the pressure of the input oxygen, the oxygen pressure sensor plate 104 being arranged on the proportional valve seat 101.
The respiratory control valve assembly 3 further comprises a driving motor 305 for opening and closing the gas transmission channel and an angle sensor 306 for detecting the state of the gas transmission channel, a first end of the driving motor 305 is connected with the through valve 301, and a second end of the driving motor 305 is connected with the angle sensor 306.
The two-position three-way valve assembly 5 further comprises a pressing cover 504 and a platform valve diaphragm 505, wherein a first air chamber is enclosed by the pressing cover 504 and the first end of the platform valve diaphragm 505, a second air chamber is formed by the second end of the platform valve diaphragm 505 and the two-position three-way valve seat 501, and the first air chamber is communicated with the second air chamber.
The piezoelectric pump further comprises a piezoelectric pump 8 and a main board 9, wherein the output end of the main board 9 is connected with the input end of the piezoelectric pump 8, and the output end of the piezoelectric pump 8 is connected with the input end of the two-position three-way valve seat 501.
Further, the gland and the platform valve membrane form a first air chamber positioned above, the piezoelectric pump controls the pressure of the first air chamber, the platform valve membrane and the two-position three-way valve seat form a second air chamber positioned below in a non-closed mode, the two air chambers are communicated, the pressure of the first air chamber can control the pressure of the second air chamber, and then the PEEP pressure can be controlled.
The sensor assembly 4 includes an oxygen concentration sensor 401 and a gas flow sensor 402, wherein an input end of the oxygen concentration sensor 401 is connected with an output end of the two-position three-way valve seat 501, an output end of the oxygen concentration sensor 401 is connected with an input end of the gas flow sensor 402, and an output end of the gas flow sensor 402 is connected with the gas outlet 6.
Furthermore, an oxygen concentration sensor is arranged on the inspiration pipeline, the oxygen concentration of the inhaled gas is measured, a gas flow sensor is arranged on the inspiration air passage, the inspiration tidal volume is measured, the basis and the monitoring are provided for the control of the tidal volume, the gas leakage compensation and the inspiration pressure compensation, and meanwhile, the airway pressure of inspiration and expiration can be measured.
The invention also provides a ventilator capable of achieving multiple breathing modes, including a ventilator capable of achieving multiple breathing modes as defined in any of the preceding claims.
In some embodiments, when the ventilation device capable of realizing multiple breathing modes provided by the invention works, firstly, the turbine fan is started, the air suction inlet forms negative pressure, air passes through the filter and then enters the fan inlet connecting sleeve, meanwhile, oxygen enters the fan inlet connecting sleeve after passing through the oxygen input assembly and is mixed with the air to form air-oxygen mixed gas; the turbine fan pressurizes the air-oxygen mixed gas, and the air flow is measured and controlled by a fan connecting sleeve, a respiration control valve assembly and a gas flow sensor in a subsequent air passage pipeline and then is sent to a patient to complete the inhalation process;
further, when the turbine fan supplies air to a patient, the two-position three-way valve assembly is switched to the outlet end of the turbine fan to be communicated with the positive end expiratory pressure connector, so that the outlet of the expiratory valve is closed by utilizing the output pressure of the fan, and the air path is closed; after the inspiration is completed, the inspiration channel of the respiration control valve component is closed, the expiration channel is opened, the turbine fan rapidly reduces the rotating speed, the air supply is stopped or the air supply pressure is reduced, the two-position three-way valve component is switched to an upper air chamber formed by the piezoelectric pump output air pressure control gland and the platform valve membrane, the platform valve membrane and the two-position three-way valve seat form a non-closed lower air chamber, the upper air chamber pressure can control the lower air chamber pressure, and then the end expiratory pressure is controlled, so that the turbine fan controls the end expiratory pressure joint pressure, the purpose of controlling the end expiratory pressure of a patient is achieved, at the moment, the end expiratory pressure joint is opened by the pressure of the patient, the expiration gas is exhausted, after the revolution of the turbine fan is reduced, the respiration control valve component maintains the expiration channel to be opened, the turbine fan maintains the air supply pressure and the air supply path to be leaked at a low flow rate, and the air supply pressure is maintained until the beginning of the next inspiration cycle.
The ventilation equipment and the breathing machine capable of realizing multiple breathing modes can realize independent input of high-pressure oxygen and normal-pressure oxygen through the oxygen input assembly, can realize the air-oxygen mixing function of oxygen with different concentrations, can also perform parameter setting according to different breathing modes, so as to select a proper working mode and perform independent control, further has the functions of monitoring feedback and regulating the pressure of the incoming and outgoing oxygen, can collect the pressure of breathing ventilation in real time, can regulate the pressure value of a breathing pipeline according to different breathing modes and requirements, simultaneously realizes the function of positive-pressure ventilation at the end of expiration, enables the setting and regulating functions of certain pressure in the airway at the end of expiration to be kept on the premise of intermittent positive-pressure ventilation, generally provides support and guarantee for auxiliary breathing of patients, also slows down the working pressure of medical staff and improves the working efficiency.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. The ventilation equipment capable of realizing multiple breathing modes is characterized by comprising an oxygen input assembly, a turbine fan, a breathing control valve assembly, a sensor assembly, a two-position three-way valve assembly and an air outlet;
the oxygen input assembly comprises a proportional valve seat, a proportional valve and a quick-plug elbow, wherein the input end of the quick-plug elbow is externally connected with an oxygen source, the output end of the quick-plug elbow is connected with the input end of the proportional valve seat, the output end of the proportional valve seat is connected with the input end of the proportional valve, and the output end of the proportional valve is connected with the input end of the turbine fan;
the breathing control valve assembly comprises a straight-through valve body and a first pagoda connector, wherein an air passage inlet and an air passage outlet are formed in the straight-through valve body, the air passage inlet is connected with the output end of the turbofan, the input end of the first pagoda connector is connected with the straight-through valve body, and the output end of the first pagoda connector is connected with the input end of the two-position three-way valve assembly;
the two-position three-way valve assembly comprises a two-position three-way valve seat, a second pagoda connector and a positive end expiratory pressure connector, wherein the input end of the positive end expiratory pressure connector is connected with the output end of the turbofan, the output end of the positive end expiratory pressure connector is connected with the input end of the two-position three-way valve seat, the output end of the two-position three-way valve seat is connected with the input end of the sensor assembly, the output end of the sensor assembly is connected with the air outlet, the input end of the second pagoda connector is connected with the output end of the first pagoda connector, and the output end of the second pagoda connector is connected with the input end of the two-position three-way valve seat.
2. The ventilation device capable of achieving multiple breathing modes according to claim 1, further comprising a fan connecting sleeve, wherein an input end of the fan connecting sleeve is connected with an output end of the turbofan, and an output end of the fan connecting sleeve is connected with an input end of the air passage inlet.
3. A ventilation device for achieving multiple modes of breathing according to claim 1 wherein the oxygen input assembly further comprises an oxygen pressure sensor plate for measuring the pressure of the input oxygen, the oxygen pressure sensor plate being disposed on the proportional valve seat.
4. The ventilation apparatus capable of realizing multiple breathing modes according to claim 1, wherein the breathing control valve assembly further comprises a driving motor for opening and closing the gas transmission channel and an angle sensor for detecting the state of the gas transmission channel, a first end of the driving motor is connected with the through valve body, and a second end of the driving motor is connected with the angle sensor.
5. The ventilator of claim 1, wherein the two-position three-way valve assembly further comprises a gland and a platform valve membrane, wherein the gland is connected to the first end of the platform valve membrane to enclose a first air chamber, wherein the second end of the platform valve membrane is connected to the two-position three-way valve seat to enclose a second air chamber, and wherein the first air chamber is in communication with the second air chamber.
6. The ventilation device capable of achieving multiple breathing modes according to claim 5, further comprising a piezoelectric pump and a main board, wherein an output end of the main board is connected to an input end of the piezoelectric pump, and an output end of the piezoelectric pump is connected to an input end of the two-position three-way valve seat.
7. The ventilation device capable of achieving multiple breathing modes according to claim 1, wherein the sensor assembly comprises an oxygen concentration sensor and a gas flow sensor, an input end of the oxygen concentration sensor is connected with an output end of the two-position three-way valve seat, an output end of the oxygen concentration sensor is connected with an input end of the gas flow sensor, and an output end of the gas flow sensor is connected with the gas outlet.
8. A ventilator capable of achieving a plurality of breathing modes, comprising a ventilation device according to any one of claims 1 to 7.
CN202310406347.5A 2023-04-17 2023-04-17 Breathing equipment capable of realizing multiple breathing modes and breathing machine Pending CN116474222A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310406347.5A CN116474222A (en) 2023-04-17 2023-04-17 Breathing equipment capable of realizing multiple breathing modes and breathing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310406347.5A CN116474222A (en) 2023-04-17 2023-04-17 Breathing equipment capable of realizing multiple breathing modes and breathing machine

Publications (1)

Publication Number Publication Date
CN116474222A true CN116474222A (en) 2023-07-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310406347.5A Pending CN116474222A (en) 2023-04-17 2023-04-17 Breathing equipment capable of realizing multiple breathing modes and breathing machine

Country Status (1)

Country Link
CN (1) CN116474222A (en)

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