CN213822720U - Disinfection system for internal gas circuit structure of breathing machine - Google Patents
Disinfection system for internal gas circuit structure of breathing machine Download PDFInfo
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- CN213822720U CN213822720U CN202021462614.9U CN202021462614U CN213822720U CN 213822720 U CN213822720 U CN 213822720U CN 202021462614 U CN202021462614 U CN 202021462614U CN 213822720 U CN213822720 U CN 213822720U
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Abstract
The utility model provides an inside gas circuit structure disinfection system of breathing machine, ozone generator produces ozone, through the ozone concentration in the gaseous apotheca regulation and control disinfection room of disinfection, the turbine of the non-invasive breathing machine in the disinfection room or electronic automatically controlled breathing machine is from inhaling ozone and is disinfected, air compressor makes high-pressure ozone, carry the high-pressure oxygen/high-pressure air input port for pneumatic electrically controlled breathing machine and non-invasive breathing machine or electronic automatically controlled breathing machine, thereby disinfect to inside gas circuit, in the ozone return disinfection gas apotheca from pneumatic electrically controlled breathing machine exhalation, avoid revealing in the environment. The device collects the emergence of ozone, pressurizes, output, concentration control, atmospheric pressure balance and returns and collect in an organic whole, provides different disinfection modes to different equipment, is in under the operating condition on simulation lung or the simulation face guard at breathing machine anesthesia machine, utilizes the ozone air current to carry out the thorough disinfection at comprehensive, no dead angle to inside gas circuit structure, convenient to use, environmental protection high efficiency.
Description
Technical Field
The utility model belongs to the disinfecting equipment field, in particular to breathing machine inside gas circuit structure disinfection system.
Background
The breathing machine/anesthesia machine can be polluted by the expired gas and secretion of the patient and the ward environment in the use process, so that the thorough disinfection of the breathing machine is an important link for reducing nosocomial infection and preventing infectious diseases from being infected through the breathing machine. The outer surface of the breathing machine can be disinfected easily, and the breathing pipeline, the humidifier and even the detachable breathing valve of the breathing machine can be disinfected easily. However, as long as the inhaled gas or the exhaled gas can reach or contact all the parts of the gas path structure inside the respirator, the gas transmission pipelines, the sampling pipes, the sensors, the electromagnetic valves and the like at those parts may be polluted, and therefore, the disinfection should be performed thoroughly at regular intervals. In the case of known patients with infectious diseases, such as new coronary pneumonia, tuberculosis, influenza, drug-resistant bacteria detection, etc., the internal gas path structure should be thoroughly sterilized after each patient is used, even after the same patient is used for a period of time.
Ozone is one of ideal medical disinfectants, has strong sterilizing power and short sterilizing time, and can kill all microorganisms in a very short time. Because the oxygen can be quickly decomposed into oxygen, the medical environment and the human body can not be hurt or influenced as long as the human body is not contacted or used in a closed space during the disinfection, and the oxygen-free medical disinfection material is a very environment-friendly material. At present, products for disinfecting a breathing machine and an anesthesia machine by using ozone are produced or generated in equipment, the output ozone is directly connected to an airflow output end or an expiration valve end of the breathing machine through a pipeline, the breathing machine is not opened to a working state, and a plurality of valves in the breathing machine are not opened, so that the ozone can only reach the vicinity of an inspiration valve and part of an expiration valve/expiration gas path structure of the breathing machine, all parts possibly polluted by the breathing machine in the working state cannot be reached, the disinfection gas cannot reach the inside of a sampling tube, and the real internal gas path structure can not be disinfected.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an inside gas circuit structure disinfection system of breathing machine.
The utility model discloses specific technical scheme as follows:
the utility model provides a disinfection system for internal gas circuit structure of a respirator, which comprises a controller, a disinfection chamber and a disinfection ozone output gas circuit, wherein the disinfection chamber and the disinfection ozone output gas circuit are mutually communicated, the disinfection chamber is used for accommodating a noninvasive respirator or an electric control respirator and disinfecting, and the disinfection ozone output gas circuit is used for connecting the pneumatic control respirator and the noninvasive respirator or the electric control respirator and disinfecting; the system also comprises an ozone generator, a sterilizing gas storage chamber and an air compressor which are sequentially connected, wherein the sterilizing gas storage chamber is provided with a first valve communicated with the sterilizing chamber, a second valve communicated with the air compressor and a third valve communicated with the outside, the controller controls the ozone generator, the air compressor and the opening and closing of the first valve, the second valve and the third valve, and when the first valve is opened, ozone in the sterilizing gas storage chamber is released into the sterilizing chamber; the disinfection ozone output gas circuit comprises three gas inlet pipes and an exhaled gas recovery pipe, one end of each of the three gas inlet pipes is connected with the air compressor, the other end of each of the three gas inlet pipes is respectively connected with a high-pressure air input port and a high-pressure oxygen input port of the pneumatic electric control respirator and a high-pressure oxygen input port of the noninvasive ventilator or the electric control respirator, and an exhalation port of the pneumatic electric control respirator is connected with the exhaled gas recovery pipe; the air compressor produces high-pressure ozone and respectively delivers the high-pressure ozone to the pneumatic electric control respirator and the noninvasive ventilator or the electric control respirator through the air inlet pipe.
Furthermore, an air pressure sensor is arranged in the sterilizing gas storage chamber, and the controller controls the opening and closing of the first valve and the third valve according to data collected by the air pressure sensor so as to maintain the pressure in the sterilizing gas storage chamber at an atmospheric pressure level.
Furthermore, an ozone sensor is further arranged in the sterilizing gas storage chamber, and the controller adjusts the power and the gas production speed of the ozone generator according to data acquired by the ozone sensor.
Further, the end of the expired gas recovery tube communicates with the sterile gas storage chamber.
Further, the sterilization chamber is of a tent or balloon type structure which can expand or contract along with the change of internal pressure and is supported by an internal framework.
Further, the end part of the expired gas recovery pipe is provided with a sucker, and the sucker is adsorbed at the gas outlet end of the pneumatic electric control respirator.
The utility model has the advantages as follows: the utility model provides an inside gas circuit structure disinfection system of breathing machine, including disinfection room and disinfection ozone output gas circuit, ozone generator produces ozone, through the ozone concentration in the disinfection gas apotheca regulation and control disinfection room, the turbine of noninvasive ventilator or electronic automatically controlled breathing machine in the disinfection room is from inhaling the disinfection gas and disinfecting, make high-pressure ozone through air compressor simultaneously, export the gas circuit through disinfection ozone and deliver to the high-pressure oxygen/high-pressure air input port of pneumatic automatically controlled breathing machine and noninvasive ventilator or electronic automatically controlled breathing machine, thereby disinfect to inside gas circuit under breathing machine operating condition, ozone from the expiratory valve exhalation of pneumatic automatically controlled breathing machine further gets back to in the disinfection gas apotheca through the expired gas recovery tube, avoid revealing in the environment. The device is integrated as an organic whole with the emergence of ozone, pressurization, output, concentration control, atmospheric pressure balance and recovery, can provide full ozone environment or output high-pressure ozone, can provide different disinfection modes to the breathing machine equipment of isostructure and theory of operation, connect simulation lung or simulation face guard at breathing machine anesthesia machine, when being in operating condition, utilize the ozone air current to carry out the thorough disinfection at comprehensive, no dead angle to inside gas circuit structure, convenient to use, environmental protection are high-efficient.
Drawings
Fig. 1 is a schematic structural diagram of a sterilization system for an internal gas path structure of a respirator according to embodiment 1;
fig. 2 is a schematic circuit diagram of a disinfection system for an internal air path structure of a respirator according to embodiment 2.
Wherein: 1. a controller; 2. a sterilizing gas storage chamber; 3. an ozone generator; 4. a sterilizing gas storage chamber; 41. a first valve; 42. a second valve; 43. a third valve; 44. an air pressure sensor; 45. an ozone sensor; 5. an air compressor; 6. an air inlet pipe; 7. an expired gas recovery tube; 71. and (4) sucking discs.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Example 1
As shown in fig. 1, embodiment 1 of the present invention provides a sterilization system for internal air path structure of a ventilator, which includes a controller 1 (a single chip microcomputer chip with STC12C5a60S2 is selected for use), a sterilization chamber 2 and a sterilization ozone output air path that are communicated with each other, an ozone generator 3, a sterilization gas storage chamber 4 and an air compressor 5 (the ozone generator 3 and the air compressor 5 are both commercially available devices) that are sequentially connected, a noninvasive ventilator or an electrically controlled ventilator is disposed in the sterilization chamber 2, the sterilization gas storage chamber 4 is provided with a first valve 41 communicated with the sterilization chamber 2, a second valve 42 communicated with the air compressor 5, and a third valve 43 communicated with the outside, an opening of the air compressor 5 is connected with an air inlet of the sterilization ozone output air path, the controller 1 controls the ozone generator 3, the exhalation compressor 5 and the first valve 41, and the controller 1 controls the ozone generator 3, the sterilization gas storage chamber 4, the sterilization ozone output air path is connected with the sterilization chamber 5, and the first valve 41, Opening and closing the second valve 42 and the third valve 43 to release ozone in the sterilizing gas storage chamber 4 into the sterilizing gas storage chamber 2 when the valve 41 is opened; the disinfection ozone output gas circuit comprises three gas inlet pipes 6 and exhaled gas recovery pipes 7, wherein the three gas inlet pipes 6 are 61 and 62 which are respectively connected with an air inlet and an oxygen inlet of a pneumatic electric control respirator, and 63 which are connected with a high-pressure oxygen inlet of a noninvasive respirator or an electric control respirator, high-pressure ozone generated by an air compressor 5 is conveyed to a respirator pipeline, and an exhaled gas outlet of the pneumatic electric control respirator is connected with the exhaled gas recovery pipes 7.
In specific implementation, in order to balance the pressure in each area inside the system, an air pressure sensor 44 (a gas pressure sensor chip of IC MPX5700GS type is adopted) may be disposed in the sterilizing gas storage chamber 4, and the controller 1 controls the opening and closing of the first valve 41 according to the data collected by the air pressure sensor 44, so as to maintain the pressure in the sterilizing gas storage chamber 4 at the atmospheric pressure level; in addition, an ozone sensor 45 (adopting an ozone sensor of O3M-100 type) can be arranged in the sterilizing gas storage chamber 4, and the controller 1 adjusts the power and the gas production speed of the ozone generator 3 according to the data collected by the ozone sensor 45.
During specific implementation, the end part of the exhaled gas recovery pipe 7 can be communicated with the sterile gas storage chamber 4, and ozone discharged from the pneumatic electric control respirator is conveyed back into the sterile gas storage chamber, so that the ozone is prevented from being directly discharged into external air, and stimulation or toxic action is prevented from being generated on a human body.
When the medical protective clothing is specifically implemented, the sterilizing gas storage chamber 2 is of a tent type or balloon type structure which can expand or contract along with the change of internal pressure and is supported by an internal framework, the material of the medical protective clothing can be adopted, the air tightness is good, certain elasticity is realized, the medical protective clothing can be supported when in use and can be contracted when not in use, the equipment volume is reduced, and the occupied space is saved.
During specific implementation, the end part of the exhaled gas recovery pipe 7 is provided with the sucking disc 71, and the sucking disc 71 is adsorbed on the shell of the air outlet end of the pneumatic electric control respirator, so that the joints of the exhaled gas recovery pipe 7 and the exhaled gas outflow channel are effectively sealed, and ozone is prevented from leaking into the air from the joint.
When in use, the noninvasive ventilator or the electric control ventilator is arranged in the disinfection chamber 2, the air inlet pipes 61 and 62 are respectively connected with the air inlet end and the oxygen inlet end of the pneumatic control ventilator, the air inlet pipe 63 is connected with the high-pressure oxygen inlet of the noninvasive ventilator or the electric control ventilator, and the expired air recovery pipe 7 is connected with the ozone recovery port of the disinfection gas storage chamber 4 (if the ventilators do not need to be disinfected at the same time, the ventilators can be correspondingly connected as required, and the valves of the unused parts are closed); starting a respirator (connected with correct and complete inspiration and expiration loops and arranged on a simulated lung to operate), starting an ozone generator 3 at the same time, releasing the produced ozone into a disinfection gas storage chamber 4, releasing the ozone into a disinfection chamber 2 by opening a first valve 41, and absorbing the disinfection gas from the disinfection chamber 2 by a turbine of a noninvasive respirator or an electric control respirator for disinfection; in addition, the second valve 42 is opened, high-pressure ozone is produced by the air compressor 5 and is respectively conveyed into the pneumatic electric control respirator and the noninvasive respirator or the electric control respirator through the air inlet pipes 61, 62 and 63 to sterilize the internal air path structure, and the expired air containing ozone discharged by the started electric control respirator through the expiratory valve is conveyed back into the sterilized air storage chamber 4 through the expired air recycling pipe 7; the pressure condition of ozone in the sterilizing gas storage chamber 2 is monitored by a gas pressure sensor 44, and the controller 1 opens or closes the first valve 41 according to the monitored condition to adjust the pressure between the sterilizing chamber 2 and the gas storage chamber 4; the ozone concentration in the sterilizing gas storage chamber 4 is detected by the ozone sensor 45, and the controller 1 adjusts the power and the gas production speed of the ozone generator 44 according to the monitoring condition, so as to adjust the ozone content and maintain the ozone content at the sterilizing concentration; in addition, the controller 1 also adjusts the pressure in the sterile gas storage chamber 4 by controlling the opening or closing of the third valve 43, so that the sterile gas storage chamber is always stabilized at the atmospheric pressure level, and the noninvasive ventilator, the electric control ventilator or the air compressor 5 is prevented from alarming due to pressure fluctuation.
The device integrates the generation, pressurization, output, concentration regulation and control, air pressure balance and recovery of ozone, can provide different disinfection modes aiming at breathing machines/anesthetic equipment with different structures and working principles, and provides environmental ozone gas sucked by a turbine and high-pressure ozone gas input for a noninvasive breathing machine/an electric control breathing machine; the dual-channel high-pressure ozone input is provided for the pneumatic electric control respirator, high-pressure oxygen and high-pressure air used in the working state of the respirator are respectively replaced, and all working air flows are replaced by ozone in the working state of the respirator/anesthesia machine (on a simulated lung or a simulated mask), so that the internal air circuit structure is thoroughly disinfected by ozone without dead angles, and the dual-channel high-pressure ozone respirator is convenient to use, environment-friendly and efficient.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (6)
1. The sterilization system for the internal gas path structure of the respirator is characterized by comprising a controller (1), a sterilization chamber (2) and a sterilization ozone output gas path, wherein the sterilization chamber (2) and the sterilization ozone output gas path are communicated with each other, the sterilization chamber (2) is used for accommodating a noninvasive ventilator or an electric control ventilator and performing sterilization, and the sterilization ozone output gas path is used for connecting a pneumatic electric control ventilator and the noninvasive ventilator or the electric control ventilator and performing sterilization; the system further comprises an ozone generator (3), a sterilizing gas storage chamber (4) and an air compressor (5) which are sequentially connected, wherein the sterilizing gas storage chamber (4) is provided with a first valve (41) communicated with the sterilizing chamber (2), a second valve (42) communicated with the air compressor (5) and a third valve (43) communicated with the outside, and the controller (1) controls the ozone generator (3), the air compressor (5) and the first valve (41), the second valve (42) and the third valve (43) to be opened and closed; the disinfection ozone output gas circuit comprises three gas inlet pipes (6) and exhaled gas recovery pipes (7), one ends of the three gas inlet pipes (6) are connected with the air compressor (5), the other ends of the three gas inlet pipes are respectively connected with a high-pressure air input port and a high-pressure oxygen input port of the pneumatic electric control respirator and a high-pressure oxygen input port of the noninvasive respirator or the electric control respirator, and an exhalation port of the pneumatic electric control respirator is connected with the exhaled gas recovery pipes (7); the air compressor (5) is used for producing high-pressure ozone and respectively delivering the high-pressure ozone to the pneumatic electric control respirator and the noninvasive ventilator or the electric control respirator through the air inlet pipe (6).
2. The sterilization system for internal air path structure of ventilator according to claim 1, wherein an air pressure sensor (44) is disposed in the sterilization gas storage chamber (4), and the controller (1) controls the first valve (41) and the third valve (43) to open and close according to the data collected by the air pressure sensor (44) to maintain the pressure in the sterilization gas storage chamber (4) at atmospheric pressure level.
3. The sterilization system for internal air path structure of respirator according to claim 2, wherein an ozone sensor (45) is further disposed in the sterilization gas storage chamber (4), and the controller (1) adjusts the power and the gas production speed of the ozone generator (3) according to the data collected by the ozone sensor (45).
4. The system for disinfecting an internal air circuit structure of a respirator according to claim 1, wherein the end of said expired gas recovery tube (7) communicates with said disinfectant gas storage chamber (4).
5. A ventilator internal airway structure disinfection system as claimed in claim 1, wherein said disinfection chamber (2) is of tent or balloon type structure supported by an internal skeleton that can expand or contract with changes in internal pressure.
6. The disinfection system for the internal gas circuit structure of the breathing machine according to claim 1, wherein a suction cup (71) is arranged at the end of the exhaled gas recovery tube (7), and the suction cup (71) is adsorbed at the gas outlet end of the pneumatic electrically-controlled breathing machine.
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CN202021462614.9U CN213822720U (en) | 2020-07-22 | 2020-07-22 | Disinfection system for internal gas circuit structure of breathing machine |
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CN202021462614.9U CN213822720U (en) | 2020-07-22 | 2020-07-22 | Disinfection system for internal gas circuit structure of breathing machine |
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