CN117504077A

CN117504077A - Breathing machine and medical equipment

Info

Publication number: CN117504077A
Application number: CN202311621725.8A
Authority: CN
Inventors: 杜文佳; 王韶华; 李婧
Original assignee: Ambulanc Shenzhen Tech Co Ltd
Current assignee: Ambulanc Shenzhen Tech Co Ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-02-06

Abstract

The invention relates to the technical field of medical equipment, in particular to a breathing machine and medical equipment. In the case of suction, a first air branch is used, which is equipped with a turbo fan. The air inlet end of the first air branch is connected with an air source, and the other end of the first air branch is connected with a turbine fan. The turbine fan is used for sucking an air source and delivering the air source to a patient through the first air branch. By means of the method, the ventilation function is only needed in most emergency occasions, and oxygen supply is abandoned, so that the weight and the volume of the breathing machine are reduced, the breathing machine is more portable, and flexible coping modes are provided for different emergency scenes.

Description

Breathing machine and medical equipment

Technical Field

The invention relates to the technical field of medical equipment, in particular to a breathing machine and medical equipment.

Background

In the field of medical devices, ventilators play an irreplaceable role as a critical life support device in the treatment of patients. Conventional emergency ventilators are generally classified into two main categories, pneumatic electric control and electric control. In general, the electric control breathing machine needs to be matched with oxygen when in use, and in most first-aid occasions, patients are treated basically only by ventilation.

However, because the electric control breathing machine on the market at present needs to be matched with oxygen for use, equipment such as an oxygen tank needs to be added, and therefore, the electric control breathing machine is huge in size and weight, is inconvenient for carrying and operating emergency medical personnel, and affects the rapid response of emergency particularly in emergency occasions.

Disclosure of Invention

Based on the above, the embodiment of the invention provides a breathing machine, which aims to solve the technical problems that the existing electric control breathing machine is large in volume and weight and inconvenient to carry and operate by emergency medical personnel.

In order to solve the problems, the invention provides a breathing machine, which comprises an inspiration pipeline, an expiration pipeline and a turbine fan;

the air suction pipeline comprises a first air branch, a turbine fan is arranged on the first air branch, an air inlet end of the first air branch is used for communicating an air source, the other end of the first air branch is connected with the turbine fan, and the turbine fan is used for sucking the air source and conveying the air source to a patient through the first air branch;

the expiration pipeline is provided with an expiration valve, the expiration valve is provided with an expiration opening communicated with the expiration pipeline and used for outward expiration of a patient through the expiration pipeline, and the expiration valve is opened when outward expiration is performed through the expiration pipeline.

Optionally, the first air branch is further provided with a filter valve, a first-stage noise reduction box, a temperature sensor, a first flow sensor, a one-way valve and a first pressure sensor in sequence along the air suction direction, the detection end of the first pressure sensor is connected with a zeroer valve, and the zeroer valve can zero the first pressure sensor;

the turbine fan is located between the first-stage noise reduction box and the temperature sensor, and two ends of the one-way valve are connected with side-flow air resistors for balancing the pressure of the one-way valve.

Optionally, a differential pressure flow sensor is further arranged on the first air branch, one end of the differential pressure flow sensor is connected with the air source, the other end of the differential pressure flow sensor is connected with the first-stage noise reduction box, and the differential pressure flow sensor is used for monitoring the flow of air sucked by the first air branch.

Optionally, the first air branch is further provided with a second-stage noise reduction box, and the second-stage noise reduction box is located between the turbine and the temperature sensor and is used for performing secondary noise reduction on air pressurized by the turbine fan.

Optionally, the first air branch is further provided with a mechanical safety valve, which is located between the first flow sensor and the one-way valve.

Optionally, the air suction pipe further comprises a second air branch, the second air branch is sequentially provided with an emergency air suction valve, a mechanical safety valve, a one-way valve and a first pressure sensor along the air suction direction, and the second air branch is opened when the first air branch fails and is used for emergency air suction of patients.

Optionally, the air suction pipe is further provided with a second pressure sensor and a third pressure sensor along the air suction direction, the front end of the second pressure sensor is connected with the rear end of the first pressure sensor, the detection ends of the second pressure sensor and the third pressure sensor are both connected with a zeroer valve, and the zeroer valve is used for zeroing the second pressure sensor and the third pressure sensor.

Optionally, the ventilator further comprises an electronic PEEP valve, one end of the electronic PEEP valve is connected with the air vent of the exhalation valve, the other end of the electronic PEEP valve is connected with the first air branch, and the electronic PEEP valve is used for adjusting the gas pressure value in the exhalation pipeline.

Optionally, the turbo fan comprises a temperature sensor for monitoring the temperature of the turbo fan.

The present invention provides a medical device comprising a ventilator according to any of the preceding claims 1-9.

The embodiment of the invention provides a breathing machine, which comprises an inspiration pipeline, an expiration pipeline and a turbine fan. In the case of suction, a first air branch is used, which is equipped with a turbo fan. The air inlet end of the first air branch is connected with an air source, and the other end of the first air branch is connected with a turbine fan. The turbine fan is used for sucking an air source and delivering the air source to a patient through the first air branch. Through the arrangement, the ventilation function is only needed in most emergency occasions, and oxygen supply is abandoned, so that the weight and the volume of the breathing machine are reduced, the breathing machine is more portable, and flexible coping modes are provided for different emergency scenes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of a ventilator according to an embodiment of the present invention;

FIG. 2 is another schematic illustration of a ventilator according to an embodiment of the present invention;

FIG. 3 is another schematic illustration of a ventilator according to an embodiment of the present invention;

fig. 4 is another schematic diagram of a ventilator according to an embodiment of the present invention.

Reference numerals:

the device comprises a filter 1, an air resistor 2, a differential pressure flow sensor 3, a primary noise reduction box 4, a turbine fan 5, a secondary noise reduction box 6, a temperature sensor 7, a first flow sensor 8, an emergency suction valve 9, a mechanical safety valve 10, an electronic PEEP valve 10, a bypass air resistor 12, a one-way valve 13, a zero valve 14, a first pressure sensor 15, a second pressure sensor 16, a third pressure sensor 17, a zero valve 18, a zero valve 19 and an exhalation valve 20.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects solved by the invention more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices 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 present invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

A ventilator according to an embodiment of the present invention will be described with reference to fig. 1 to 4. Wherein the ventilator has the following functions, such as sigh, sputum aspiration, leak compensation, cannula resistance compensation, inhalation/exhalation hold, P-V tool, P0.1, PEEPi, NIF, lung re-inflation, mainstream carbon dioxide module, wiFi, bluetooth, 4G etc. and following ventilation modes:

pattern item	Requirements for
		IPPV	With capacity controlled ventilation mode
V-A/C	With capacity control/assisted ventilation mode
		V-SIMV	Ventilation mode with capacity synchronous intermittent instruction
PCV	Having pressure controlled ventilation modes
		P-A/C	With pressure control/assisted ventilation mode
P-SIMV	Ventilation mode with pressure synchronized intermittent command
		APRV	Having airway pressure relief ventilation modes
BiPPV	Having a bi-level positive airway pressure mode
		CPAP/PSV	Continuous positive airway pressure mode with support
PRVC	With pressure regulating volumeVolume control ventilation mode
		PRVC-SIMV	Aeration mode with pressure regulated capacity control/synchronous intermittent command
HFNC	Oxygen therapy ventilation mode with high flow

The basic parameters achieved by the breathing machine are as follows:

tidal volume adjustment range: infant: 20.0-100 mL; infant: 20.0-300 mL; adult: 100-2500 mL;

respiratory rate adjustment range: infant: 1 to 100bpm; adult/pediatric: 1 to 100bpm;

inhalation time adjustment range: 0.20 to 10.00s; adjusting step length: 0.20 to 1.00s:0.01s;

pressure trigger adjustment range: -20 to-0.5 cm H2O;

flow rate trigger adjustment range: infant: 1-5L/min; adult/pediatric: 1-20L/min;

positive end expiratory pressure adjustment range: 0-40 cm H2O;

pressure support adjustment range: 0-90 cm H2O

Suction pressure adjustment range: 1-90 cm H2O

In the oxygen therapy flow rate HFNC mode, the adjustment range of the oxygen therapy flow rate can be set: infant: 2-20L/min; infant: 2-25L/min; adult: 2-80L/min;

the adjustment range of the inhalation-exhalation ratio: 4:1 to 1:10.

the invention provides a respirator and medical equipment, which are described in detail below:

referring to fig. 1 and 2, a schematic diagram of a ventilator according to an embodiment of the present invention includes an inhalation pipeline, an exhalation pipeline, and a turbo fan 5;

in one embodiment, the air suction pipeline comprises a first air branch, wherein a turbo fan 5 is arranged on the first air branch, an air inlet end of the first air branch is used for being connected with an air source, the other end of the first air branch is connected with the turbo fan 5, and the turbo fan 5 is used for sucking the air source and conveying the air source to a patient through the first air branch; an exhalation valve 20 is arranged on the exhalation tube, and the exhalation valve is provided with an exhalation port communicated with the exhalation tube and is used for outward exhalation of the patient through the exhalation tube, wherein the exhalation valve 20 is opened when the patient exhales outward through the exhalation tube.

The present embodiment relates to a ventilator including an inhalation line, an exhalation line, and a turbo blower 5. The suction line comprises a first air branch, the air inlet end of which is connected with an air source through an interface, so that the turbine fan 5 can effectively suck air from the surrounding atmosphere. The turbo fan 5 serves as a core assembly, and generates an air flow through the rotating turbo blades, ensuring that the air is delivered to the patient through the first air branch. The exhalation line is provided with an exhalation valve 20 having an exhalation port in communication with the exhalation line through which the patient exhales outwardly. The exhalation valve 20 opens when the patient exhales, allowing gas to be expelled from the patient.

At the same time, the use of the turbo fan 5 increases the air flowability, providing a more comfortable ventilation experience for the patient. The provision of the exhalation valve 20 ensures the stability and reliability of the ventilator. In general, the breathing machine provided by the embodiment has the characteristics of high-efficiency ventilation support, simplicity, easiness and reliable structure, meets the requirement of ventilation function only in most emergency occasions, abandons oxygen supply, reduces the weight and the volume of the breathing machine, is more portable, provides flexible coping modes for different emergency scenes, and is suitable for various medical scenes.

In an embodiment, the first air branch is further provided with a filter valve 1, a first-stage noise reduction box 4, a temperature sensor 7, a first flow sensor 8, a one-way valve 13 and a first pressure sensor 15 in sequence along the air suction direction, the detection end of the first pressure sensor 15 is connected with a zeroer valve 14, and the zeroer valve 14 can zeroer the pressure value monitored by the first pressure sensor 15; the turbine fan 5 is further connected between the first-stage noise reduction box 4 and the temperature sensor 7, and two ends of the one-way valve 13 are further connected with the bypass air resistors 12 for balancing the front pressure and the rear pressure of the one-way valve 13.

The first air branch is sequentially connected with key components such as a filter valve 1, a first-stage noise reduction box 4, a turbine fan 5, a temperature sensor 7, a first flow sensor 8, a one-way valve 13, a first pressure sensor 15 and the like along the air suction direction, so that the performance and the stability of the breathing machine are improved.

One end of the filter valve 1 is connected with the air inlet end of the first air branch and is used for filtering impurities in ambient air and guaranteeing that air inhaled by a patient is clean. The other end of the filter 1 is connected with a first-stage noise reduction box 4, the other end of the first-stage noise reduction box 4 is connected with a turbofan 5, the first-stage noise reduction box 4 is used for reducing noise level when the turbofan 5 operates, a relatively calm ventilation environment is created for patients, the working environment of medical staff is also facilitated, and the overall medical service quality is improved. The other end of the turbofan 5 is connected with a temperature sensor 7, and the temperature sensor 7 is used for monitoring the temperature of air sucked by the turbofan 5 in the first air branch in real time, so that the condition that the temperature exceeds the standard in the first air branch is avoided from hurting patients or damaging a breathing machine.

The other end of the temperature sensor 7 is connected to a first flow sensor 8, and the first flow sensor 8 is used for monitoring the flow rate of the sucked air in real time. The introduction of the component enables the breathing machine system to quickly and accurately adjust ventilation parameters, and ensures the accuracy and stability of ventilation. Especially in medical situations such as emergency treatment, it is important to respond to patients in time.

The other end of the first flow sensor 8 is connected with a one-way valve 13, and the one-way valve 13 has the main functions of preventing a patient from exhaling from an inhalation pipeline and preventing gas exhaled by the patient from entering the inhalation pipeline, ensuring the normal flow direction of the gas, ensuring the smooth proceeding of the ventilation process and preventing the bad influence of the exhaling gas flow on the inhalation process.

The other end of the one-way valve 13 is connected to a first pressure sensor 15, the first pressure sensor 15 being adapted to monitor the pressure in the inspiratory line in order to adjust the ventilation parameters as required. The detection end of the first pressure sensor 15 is connected with a zeroer valve 14, and the zeroer valve 14 is used for zeroing the value monitored by the first pressure sensor 15 so as to improve the accuracy of the gas pressure monitored by the first pressure sensor 15 during the operation of the breathing machine system, so that the breathing machine system can more accurately sense the breathing state of a patient, and a better treatment mode is provided for the patient.

In summary, in the ventilator system, the turbo fan 5 is located as a driving force between the primary noise reduction box 4 and the temperature sensor 7, and generates an air flow by the rotating turbine blades thereof. The introduction of this core assembly provides a stable air source for ventilation of the entire ventilator system and reliable ventilation support for the patient. In addition, the two ends of the one-way valve 13 are respectively connected with the two ends of the by-pass air resistor 12, and the by-pass air resistor 12 is used for balancing the pressure before and after the one-way valve 13, so that the ventilation process is ensured to be carried out stably, more balanced air flow is provided for the breathing machine system, and discomfort caused by unbalanced pressure of patients is prevented.

The filter 1 may include a dust-proof filter screen and a HEPA filter for filtering dust and bacteria in the air, respectively.

In an embodiment, a differential pressure flow sensor 3 is further disposed on the first air branch, one end of the differential pressure flow sensor 3 is connected with the filter 1, and the other end of the differential pressure flow sensor 3 is connected with the first-stage noise reduction box 4, so as to monitor the flow of air sucked by the first air branch, effectively judge the blocking condition of the air inlet filter 1 and give a filter replacement prompt.

In the embodiment, the differential pressure flow sensor 3 is arranged on the first air branch, one end of the differential pressure flow sensor 3 is connected with the filter 1, and the other end of the differential pressure flow sensor is connected with the primary noise reduction box 4, so that the flow of sucked air is monitored in real time. In the ventilator system, when dust or impurities adsorbed on the surface of the filter 1 of the air inlet are accumulated to some extent, a certain degree of clogging of the air inlet may occur, thereby affecting ventilation performance of the whole ventilator. To cope with this situation, the differential pressure flow sensor 3 can monitor the flow of the air inlet in real time, thereby effectively judging the blocking condition of the air inlet filter and reminding the operator to replace the filter. The real-time monitoring and reminding function is beneficial to ensuring the normal operation of a breathing machine system, avoiding the problem of insufficient ventilation caused by filter blockage and improving the reliability and safety of equipment.

Wherein, the air resistor 2 of the differential pressure flow sensor 13 is installed in the expiration pipeline, and the inhaled air generates throttling when flowing through the air resistor 2 so as to generate differential pressure at the front end and the rear end of the air resistor 2, and the differential pressure flow sensor 3 obtains the inhaled air flow by monitoring the differential pressure.

In an embodiment, a second-stage noise reduction box 6 is further disposed on the first air branch, one end of the second-stage noise reduction box 5 is connected with the turbo fan 5, and the other end of the second-stage noise reduction box is connected with the temperature sensor 7, so as to perform secondary noise reduction on air pressurized by the turbo fan.

The embodiment further improves the noise control performance of the breathing machine system by introducing the secondary noise reduction box 6, and provides a calmer breathing environment for patients. The secondary noise reduction box 6 is arranged between the turbofan 5 and the temperature sensor 7, and has the main functions of carrying out secondary noise reduction treatment on air after the turbofan 5 is pressurized, so that the noise level of a respirator system during operation is effectively reduced, and the overall comfort level and treatment experience of a patient during using the respirator are improved.

In an embodiment, a mechanical safety valve 10 is further arranged on the first air branch, one end of the mechanical safety valve 10 is connected with the first flow sensor 8, and the other end of the mechanical safety valve is connected with a one-way valve 13, so that a patient is prevented from being damaged when the pressure of the air suction pipeline exceeds a preset pressure.

The present embodiment further provides a mechanical safety valve 10, which adds an additional safety measure to the ventilator system by placing the mechanical safety valve 10 between the first flow sensor 8 and the one-way valve 13 of the first air branch. The mechanical safety valve 10 is arranged in the breathing machine system, and aims to release redundant air flow in time through an automatic pressure relief mechanism when the air flow in the breathing machine air suction pipeline reaches an abnormally high level, so that potential risks to the breathing machine and a patient are avoided. The flexibility of the breathing machine system when handling emergency is improved, so that the breathing machine system can more actively cope with possible abnormal conditions, and the safety of patients when using the breathing machine is ensured.

In medical applications, ventilators are a critical life support device, the stability and safety of which are directly related to the life of the patient. The introduction of the mechanical safety valve 10 adds an active safety guarantee to the patient, helps to relieve the burden of medical staff, and ensures that the ventilator can provide efficient and safe medical support under different conditions.

It should be noted that the above-mentioned preset pressure may be in the range of 90-100kPa, and the pressure relief valve 10 will automatically relieve pressure when the pressure of the inhalation pipeline exceeds 100kPa, so as to prevent damage to the respirator and the patient, and the specific pressure range is not limited by the present invention.

Please refer to fig. 3, which is another schematic diagram of a ventilator according to an embodiment of the present invention.

In an embodiment, the air suction pipeline further comprises a second air branch, and the second air branch is sequentially provided with an emergency air suction valve 9, a mechanical safety valve 10, a one-way valve 13 and a first pressure sensor 15 along the air suction direction; the second air branch is opened only when the first air branch fails, so that emergency inhalation of patients is realized, and the possibility of asphyxia is avoided.

The embodiment adds a standby channel for emergency inhalation to the respirator system by introducing the second air branch so as to cope with the possible fault condition of the first air branch. In medical applications, reliability of the ventilator system is critical, particularly for life support devices. The setting of second air branch road has considered the condition that first air branch road probably breaks down, and once the trouble of detecting first air branch road, the second air branch road will start immediately, has ensured that the patient can continuously obtain required air current under emergency.

The emergency inhalation valve 9 is arranged at the front end of the second air branch as one of key components in the second air branch, and the respirator system has the function of emergency starting the emergency inhalation valve 9. Once the ventilator system detects the failure of the first air branch, the emergency inhalation valve 9 will be opened rapidly, providing an emergency inhalation passage for the patient, ensuring that the patient is timely rescued in a possible emergency situation, and improving the fault tolerance and safety of the ventilator system.

In an embodiment, the inhalation line is further provided with a second pressure sensor 16 and a third pressure sensor 17 along the inhalation direction, the front end of the second pressure sensor 16 is connected with the rear end of the first pressure sensor 15, the rear end of the second pressure sensor 16 is connected with the front end of the third pressure sensor 17, the rear end of the third pressure sensor 17 is connected to the patient through the inhalation line, wherein the detection end of the second pressure sensor 16 is provided with a zeroer valve 18, the detection end of the third pressure sensor 17 is provided with a zeroer valve 19, the zeroer valve 18 is used for zeroing the second pressure sensor 16, and the zeroer valve 19 is used for zeroing the third pressure sensor 17.

The present embodiment is provided by providing the second pressure sensor 16 and the third pressure sensor 17 in the suction line along the suction direction. For monitoring pressure changes in the inspiratory line so that the ventilator system can adjust ventilation parameters based on the data. The front end of the second pressure sensor 16 is connected to the rear end of the first pressure sensor 15, and the rear end of the second pressure sensor 16 is connected to the front end of the third pressure sensor 17. By means of this connection, a pressure transmission between the individual sensors and a coordinated operation between the sensors can be ensured. The back end of the third pressure sensor 17 is connected to the patient through an inhalation pipeline, so that the respiration of the patient can be monitored and adjusted according to the monitored data. The detection end of the second pressure sensor 16 is provided with a zeroer valve 18 and the detection end of the third pressure sensor 17 is provided with a zeroer valve 19. Wherein a zeroer valve 18 is used to zero the second pressure sensor 16 and a zeroer valve 19 is used to zero the third pressure sensor 17. These zeroer valves are used for zeroing operations, i.e. to zero the pressure measurement of the sensor, to ensure the accuracy and stability of the sensor.

As shown in fig. 2 to 4, the second pressure sensor 16 and the third pressure sensor 17 are provided in both the inhalation line and the exhalation line. The pressure changes in the inspiration pipeline and the expiration pipeline can be accurately monitored by the breathing machine system through arranging the sensors and the zeroing valve on the inspiration pipeline and the expiration pipeline, and the breathing machine system can be calibrated when needed, so that the normal operation and the accuracy of the breathing machine system are ensured. Meanwhile, ventilation parameters can be timely adjusted by monitoring the breathing condition of a patient, so that the treatment effect is improved.

Wherein the zeroing operation by the zeroer valve is typically performed at the time of ventilator system calibration or maintenance to ensure that the pressure value measured by the sensor is accurate.

In an embodiment, the breathing machine further comprises an electronic PEEP valve 11, one end of the electronic PEEP valve 11 is connected to the air vent of the exhalation valve 20, the other end is connected to the first air branch, and the electronic PEEP valve 11 is used for adjusting the gas pressure value in the exhalation pipeline.

This embodiment enables the ventilator system to more flexibly adjust the expiratory line pressure by introducing an electronic PEEP valve 11 in the ventilator. One end of the electronic PEEP valve 11 is connected with the vent of the exhalation valve 20, and the other end is connected with the first air branch to form a tight pressure regulating channel. The electronic PEEP valve 11 regulates the expiratory line pressure by varying the pressure into the interior of the seal chamber of the expiratory valve 20. The expiratory line pressure is monitored by a second pressure sensor 16 and a third pressure sensor 17. According to the monitored pressure value, the electronic PEEP valve 11 can adjust the exhaust gap between the diaphragm and the valve core of the exhalation valve 20 and the PEEP value, namely the end-expiratory positive pressure value, so that the gas exhaled by the patient reaches the exhalation port through the exhalation pipeline and is discharged out of the respirator from the exhalation valve 20 to meet the treatment requirement of the patient and ensure the smoothness of the airway.

In conventional ventilators, the adjustment of the expiratory line pressure is usually achieved by a mechanical PEEP valve, the adjustment range of which is relatively limited. The adoption of the electronic PEEP valve 11 can make the pressure regulating range wider, and can more carefully meet the breathing requirements of different patients. This is particularly true for conditions such as ARDS (acute respiratory distress syndrome) where the patient's regulation of airway pressure is more accurate and the setting of the electronic PEEP valve 11 is an effective means of meeting this requirement.

The function of the electronic PEEP valve 11 is not limited to the regulation of airway pressure, but rather to the improvement of patient comfort and therapeutic effect. Through the gas pressure in the dynamic adjustment expiration pipeline, the electronic PEEP valve 11 can cooperate the natural breathing mode of disease better, provides more smooth, comfortable breathing support, helps improving the treatment, alleviates the uncomfortable sense of disease, improves the compliance of treatment.

In an embodiment, the turbofan 5 includes a temperature sensor, the working temperature of the turbofan 5 is monitored by the turbofan 5 with the temperature sensor, and if the temperature exceeds the standard, the turbofan 5 is protected by stopping the working of the turbine.

According to the embodiment, through the temperature monitoring function of the turbine fan 5, the working temperature of the turbine fan 5 can be monitored in real time by the breathing machine system, so that the safety and stability of the breathing machine system are effectively improved. The turbo fan 5 is one of the core components of the ventilator, the operating temperature of which is directly related to the stability and life of the device. When the temperature of the turbine fan 5 exceeds a set value, the ventilator system can take timely protective measures, such as automatic shutdown, so as to prevent equipment failure caused by overheat and ensure the reliability and stability of the ventilator. By the aid of the mode, the ventilator equipment is protected, and safety of patients is improved. In special cases, such as long-term use of the ventilator or use in a high-temperature environment, the operating temperature of the turbo blower 5 may rise. Through timely monitoring temperature, the breathing machine system can be adjusted according to actual conditions, ensures that the patient is not influenced by excessively high temperature when using the breathing machine, and improves comfort level and treatment effect of the patient.

In an embodiment, a medical device is provided comprising a ventilator according to any of the preceding claims 1 to 9.

In one embodiment, a ventilator system is provided that includes a power management module, a turbine drive module, a ventilation control module, and a human-machine interaction module. Each module runs corresponding software on a corresponding microcontroller unit (MCU). The power management module is responsible for managing the power supply function of the breathing machine and ensuring the stable and reliable work of the system. The turbine drive module enables high performance control of the turbine to ensure accurate operation of the ventilation system. The ventilation control module collects feedback information of various sensors to realize a ventilation mode control algorithm and a ventilation parameter monitoring algorithm, so that effective control and monitoring of the ventilation process of a patient are ensured. The man-machine interaction module is responsible for realizing the display of a graphical interface and processing operation interaction instructions, so that medical staff can conveniently carry out interaction operation with the breathing machine and acquire required information. The modules work together to ensure that the breathing machine system can efficiently and accurately realize breathing support for patients and provide good operation experience and monitoring functions for medical staff.

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, and are intended to be included in the scope of the present invention.

Claims

1. The breathing machine is characterized by comprising an inspiration pipeline, an expiration pipeline and a turbine fan;

2. The respirator of claim 1, wherein the first air branch is further provided with a filter valve, a primary noise reduction box, a temperature sensor, a first flow sensor, a one-way valve and a first pressure sensor in sequence along the inhalation direction, wherein a detection end of the first pressure sensor is connected with a zeroer valve, and the zeroer valve can zeroe the first pressure sensor;

3. The ventilator of claim 2, wherein the first air branch is further provided with a differential pressure flow sensor, one end of the differential pressure flow sensor is connected to the filter, the other end of the differential pressure flow sensor is connected to the primary noise reduction box, and the differential pressure flow sensor is used for monitoring the flow rate of the air inhaled by the first air branch.

4. The ventilator of claim 3, wherein the first air branch is further provided with a secondary noise reduction box, the secondary noise reduction box being located between the turbo fan and the temperature sensor for secondarily reducing noise of air pressurized by the turbo fan.

5. The ventilator of claim 4, wherein the first air branch is further provided with a mechanical safety valve, the mechanical safety valve being located between the first flow sensor and the one-way valve.

6. The ventilator of claim 2, wherein the inspiratory circuit further comprises a second air branch having an emergency inspiratory valve, a mechanical safety valve, a one-way valve, and a first pressure sensor disposed sequentially in an inspiratory direction, the second air branch being opened for emergency inhalation by a patient upon failure of the first air branch.

7. The ventilator of claim 6, wherein the inspiratory line is further provided with a second pressure sensor and a third pressure sensor, the front end of the second pressure sensor is coupled to the rear end of the first pressure sensor, and the detection ends of the second pressure sensor and the third pressure sensor are each coupled to a zeroer valve for zeroing the second pressure sensor and the third pressure sensor.

8. The ventilator of claim 7, further comprising an electronic PEEP valve on the ventilator, wherein one end of the electronic PEEP valve is connected to a vent of the exhalation valve and the other end is connected to the first air branch, wherein the electronic PEEP valve is configured to regulate a gas pressure value in the exhalation line.

9. The ventilator of claim 1, wherein the turbo fan comprises a temperature sensor for monitoring the temperature of the turbo fan.

10. A medical device comprising a ventilator according to any one of claims 1 to 9.