CN215741122U

CN215741122U - Backpack type sterilizer for expired gas of patient

Info

Publication number: CN215741122U
Application number: CN202122200309.3U
Authority: CN
Inventors: 刘爱彬
Original assignee: Individual
Current assignee: Liu Aibin
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-08
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a backpack type sterilizer for expired air of a patient, which consists of a breathing mask, an expiration assisting fan, an ultraviolet sterilizing device, a germ filtering device and a mobile power supply, wherein the breathing mask is worn on the mouth and nose part of the patient, the ultraviolet sterilizing device is carried on the back of the patient, and an air outlet interface of the breathing mask is connected with an air inlet of the ultraviolet sterilizing device through an air supply hose and the expiration assisting fan; the exhaust port of the ultraviolet disinfection device is communicated with the gas buffer cavity, and the gas buffer cavity is connected with the germ filtering device. The utility model synchronously collects the gas containing pathogenic microorganisms exhaled by respiratory tract infectious disease patients, and discharges the gas after timely disinfection, sterilization and filtration treatment, thereby effectively cutting off the transmission path of diseases; the backpack can be carried on the back by shoulders, has light weight and convenient carrying and movement, and plays an extremely important role in preventing the epidemic of respiratory infectious diseases.

Description

Backpack type sterilizer for expired gas of patient

Technical Field

The utility model relates to a gas disinfection device, in particular to an exhaled gas disinfector which is used for synchronously collecting exhaled gas of a patient and discharging the exhaled gas after disinfection and sterilization treatment.

Background

At present, the gas exhaled by a respiratory infectious disease patient is not subjected to immediate and effective disinfection and sterilization treatment, the patient can only wear a mask for protection, and although the patient can better prevent and isolate the diffusion of virus and bacteria by wearing medical masks such as KN95/N95 and the like, when the mask is taken down, germs blocked in the mask can still diffuse into the air, so that the infection source cannot be eliminated fundamentally; moreover, the disposable mask is simple in structure, the sealing performance with the face is difficult to guarantee, and germs cannot be prevented from leaking from the periphery of the mask. Especially for patients with a large range of motion, preventive measures are more difficult to guarantee, and how to synchronously collect the gas exhaled by the patients, quickly sterilize and safely discharge the gas, and thoroughly eliminate infectious sources is a problem to be solved at present.

Disclosure of Invention

In order to effectively solve the problem of sterilization of the exhaled gas of the patient, the utility model provides the backpack type patient exhaled gas sterilizer which can synchronously collect the exhaled gas of the patient, discharge the exhaled gas after rapid sterilization treatment, has good sterilization effect, can be carried on the back by shoulders, has light weight, is convenient to carry and move, and can effectively prevent the propagation of respiratory infectious diseases.

The technical scheme adopted by the utility model is as follows: a backpack type sterilizer for expired air of a patient comprises a breathing mask, an expiration assisting fan, an ultraviolet sterilizing device, a germ filtering device and a mobile power supply, wherein the breathing mask is worn on the mouth and nose part of the patient, the ultraviolet sterilizing device is carried on the back of the patient, and an air outlet interface of the breathing mask is connected with an air inlet of the ultraviolet sterilizing device through an air supply hose and the expiration assisting fan; the exhaust port of the ultraviolet disinfection device is communicated with the gas buffer cavity, and the gas buffer cavity is connected with the germ filtering device.

The respirator mainly comprises a silica gel base, a mask body, a mask filter element and a mask cover, wherein an air outlet interface of the respirator is arranged at the bottom of the respirator, and a cover is arranged on the air outlet interface of the respirator. The breathing mask mainly has three functions, wherein one function is that a patient breathes an air inlet channel, the other function is that the breathing mask filter element filters and blocks to prevent the patient from inhaling pathogenic bacteria in the air, and the third function is that the breathing mask filter element blocks pathogenic microorganism-containing gas exhaled by the patient in the mask, and the gas in the breathing mask is guided into the ultraviolet disinfection device under the assistance of the exhalation assisting fan. If the air outlet interface of the mask is covered, the breathing mask can be independently used as a mask.

The silica gel base adopts liquid food level silica gel material, and biocompatibility is good, and is soft comfortable, and is high with facial laminating degree, and the leakproofness is good, can effectively avoid breathing gas to leak. The silica gel base and the mask body are embedded into a whole to form an expanded cavity to relieve breath. The top of the cavity is provided with a mask air inlet area, the mask air inlet area is composed of a filter element seat and a mask filter element, the mask filter element is placed in the filter element seat and fixed through a mask cover, the bottom of the mask body is provided with a mask air outlet interface, and the mask air outlet interface is connected with a disinfection and sterilization device through an air supply hose.

The mask filter element is made of medical mask cloth and is used for filtering and blocking bacteria and viruses, and needs to be replaced in due time when in use.

The face cover cap is consistent with the filter element seat structure, is in a circular or polygonal grid structure, is beneficial to gas flowing in and out, is made of elastic materials, is buckled and pressed on the filter element seat, is directly opened, and is convenient for replacing the face cover filter element.

The expiration assisting fan is a direct-current, low-flow and stepless speed change fan, an air inlet of the expiration assisting fan is connected with the air supply hose, and an air outlet of the expiration assisting fan is connected with an air inlet of the ultraviolet disinfection device. The breathing mask has the effects of assisting a patient to exhale, and enabling the patient to breathe easily without feeling of suffocation; secondly, the water vapor, germs, aerosol and the like in the exhaled air of the patient are prevented from accumulating on the mask filter element, and the ventilation and filtering effects of the breathing mask are prevented from being influenced; thirdly, the exhaled air is led into an ultraviolet disinfection device for disinfection and sterilization treatment. The patient independently adjusts the flow of fan through the air volume adjusting key that sets up on the equipment operation panel, and the flow size is with the comfortable degree of self-sensation.

The expiration assisting fan is a low-flow fan, the air volume is matched with the breathing ventilation volume of normal people, the ventilation volume per minute of normal adults in a quiet state is generally 6-9L, the maximum ventilation volume can reach 120L during movement, and the flow designed by the utility model is matched with the breathing ventilation volume. If the gas flow is too large, the flow speed is too high, the disinfection time in the cold cathode ultraviolet pipeline is insufficient, and the requirements of disinfection and sterilization cannot be met.

The exhalation assisting fan is a stepless speed change fan, the flow of the patient is automatically adjusted by the air volume adjusting keys '+' and '-' on the equipment operation panel, and the flow is gradually and slowly increased from '-' to '+'. When gas passes through the filter element of the mask filter element and the filter element of the germ filter device, the higher the flow rate is, the stronger the penetrating power is, the filtration rate is reduced, and the blocking effect of the filter element on bacteria and viruses is reduced. In order to achieve the optimal sterilization and filtering blocking effects on pathogenic bacteria, the flow of gas is reduced as far as possible on the premise of ensuring the breathing comfort of a patient, and stepless regulation and accurate control are implemented.

The ultraviolet disinfection device is composed of a plurality of ultraviolet disinfection units, 2 interfaces are arranged at two ends of the ultraviolet disinfection device, the air inlet is connected with the expiration power-assisted fan, and the air outlet is communicated with the gas buffer cavity through a hose.

Each ultraviolet disinfection unit consists of a cold cathode ultraviolet lamp tube and an ultraviolet reflection tube. In order to ensure the disinfection and sterilization effect, a plurality of disinfection units can be connected and arranged together through U-shaped connecting pipes so as to fully meet the requirement that the total dose of ultraviolet irradiation reaches the value enough to inactivate or kill various pathogenic microorganisms.

The cold cathode ultraviolet lamp tube is an ozone-free cold cathode ultraviolet lamp tube with the wavelength of 253.7 nanometers, and is different from the ultraviolet disinfection lamp tube commonly used in hospitals in that: firstly, direct current (5V-24V) is adopted, so that the backpack is convenient to carry; the cold cathode has the characteristics of no heating after long-term use and no discomfort to users; thirdly, the volume is small, the weight is light, the length is generally 10cm, and the diameter of the lamp tube is about 0.5; fourthly, the service life is long, generally about 1 ten thousand hours.

The ultraviolet reflecting tube is processed into a round tube shape by mirror surface stainless steel or mirror surface aluminum oxide materials, the cold cathode ultraviolet lamp tube is arranged in the ultraviolet reflecting tube and is a place for sterilizing and disinfecting respiratory gas, and the ultraviolet reflecting tube also has the function of improving the irradiation intensity of ultraviolet rays.

The germ filtering device consists of a filter element supporting plate, a filter element and a filter element cover. The inner side surface of the filter element supporting plate and the shell of the ultraviolet disinfection device form a gas buffer cavity, the concave surface area of the outer side surface is used for placing the filter element, and the filter element cover is buckled and pressed on the filter element supporting plate to fix the filter element. The filter element supporting plate is consistent with the filter element cover structure and is in a circular or polygonal grid shape, so that gas can flow conveniently. The filter chip is made of medical mask cloth material and is used for filtering bacteria and viruses and preventing residual pathogenic microorganisms from diffusing into the air when the ultraviolet disinfection device is not disinfected and sterilized completely, thereby playing a double insurance role. The filter chip is replaced at proper time according to the use requirement.

The gas buffer cavity has the effects of increasing the filtering area, slowing down the gas flow speed and improving the filtering effect.

The portable power source is a direct current power source and provides a working power source for the expiration assisting fan and the cold cathode ultraviolet lamp tube. If the treasured charges, portable removes the convenience.

The utility model has the beneficial effects that: the utility model synchronously collects the gas containing pathogenic microorganisms exhaled by respiratory tract infectious disease patients, and discharges the gas after timely disinfection, sterilization and filtration treatment, thereby effectively cutting off the transmission path of diseases; the backpack can be carried on the back by shoulders, has light weight and convenient carrying and movement, and plays an extremely important role in preventing the epidemic of respiratory infectious diseases.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of a respiratory mask of the present invention;

FIG. 3 is a schematic view of the construction of the UV sterilization module of the present invention;

FIG. 4 is a schematic view of the structure of the germ filtering apparatus of the utility model.

In the figure: the breathing mask comprises a breathing mask body 1, a silica gel base 2, a mask body 3, a mask air outlet interface 4, a filter element supporting plate 5, a filter element 6, a filter element cover 7, a gas buffer cavity 8, a germ filtering device 9, an ultraviolet disinfection device 10, an exhalation assisting fan 11, an air supply hose 12, a mask cover 13, a mask filter element 14, a filter element base 15, an ultraviolet reflecting pipe 16, a cold cathode ultraviolet lamp 17 and a U-shaped connecting pipe 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

As shown in figure 1, the utility model mainly comprises a breathing mask 1, an expiration assisting fan 11, an ultraviolet disinfection device 10, a germ filtering device 9 and a mobile power supply. The breathing mask 1 is worn on the mouth and nose of a patient, and the mask air outlet interface 4 is connected with an air inlet of an exhalation assisting fan 11 through an air supply hose 12; an air outlet of the expiration assisting fan 11 is connected with an air inlet of the ultraviolet disinfection device 10, an air outlet of the ultraviolet disinfection device 10 is communicated with the air buffer cavity 8, and air in the air buffer cavity 8 is discharged after being filtered by the germ filtering device 9.

As can be seen from fig. 1 and 2, the breathing mask 1 mainly comprises a silica gel base 2, a mask body 3, a mask cover 13, a mask filter element 14 and a filter element base 15, and the bottom of the breathing mask is provided with a mask air outlet interface 4 with a cover. The mask air outlet interface 4 is connected with an expiration assisting fan 11 through an air supply hose 12.

The breathing mask 1 mainly has three functions, one is a passage for the breathing and air intake of a patient, the other is filtering and blocking through the mask filter element 14 to prevent the patient from inhaling germs in the air, and the third is that the gas containing pathogenic microorganisms exhaled by the patient is stopped in the breathing mask 1 through the mask filter element 14, and the gas in the breathing mask 1 is guided into the ultraviolet disinfection device 10 under the assistance of the exhalation assisting fan 11.

As can be seen from fig. 1, the silicone base 2 and the mask body 3 are embedded into a whole to form an expanded cavity for relieving breathing, the top is a filter element seat 15, and the mask filter element 14 is placed in the cavity and fixed by the mask cover 13, and is a breathing gas inlet and outlet passage. The mask filter element 14 is made of medical mask cloth and is used for filtering and blocking bacteria and viruses. The face cover 13 is in the same structure with the filter element seat 15, is in a circular or polygonal grid shape, is beneficial to gas flowing in and out, is made of elastic material, is buckled and pressed on the filter element seat 15, is directly opened, and is convenient for replacing the face cover filter element 14. The mask body 3 is also provided with a mask fixing band which is fixed on the head, and the tightness of the fixing band is adjusted to keep the sealing between the silica gel base 2 and the face.

As shown in fig. 1, the exhalation assisting fan 11 is a direct-flow, low-flow, stepless speed-changing fan, and has an air inlet connected to an air supply hose 12 and an air outlet connected to an air inlet of the ultraviolet sterilizer 10. The breathing mask has the effects of assisting the patient to exhale and ensuring the breathing comfort of the patient; secondly, the water vapor, germs, aerosol and the like in the exhaled air of the patient are prevented from accumulating on the mask filter element 14, and the ventilation and filtering effects of the breathing mask 1 are prevented from being influenced; thirdly, gas is introduced into the ultraviolet disinfection device 10, and the best disinfection and blockage effect on germs is realized by adjusting the gas flow.

The exhalation assisting fan 11 is a stepless speed change fan, the flow of the patient is automatically adjusted by the air volume adjusting keys '+' and '-' on the operation panel of the device, and the flow is gradually and slowly increased from '-' to '+'. When the breathing gas passes through the mask filter element 14 and the filter element 6, the higher the flow rate is, the stronger the penetrating power is, the filtration rate is reduced, and the effect of filtering and blocking germs by the mask filter element 14 and the filter element 6 is reduced. Therefore, on the premise of ensuring the comfortable breathing of the patient, the flow of the gas is reduced as much as possible, and stepless regulation and accurate control are realized.

As can be seen from fig. 1 and 3, the ultraviolet disinfection device 10 is composed of a plurality of ultraviolet disinfection units, 2 connectors are arranged at two ends of the ultraviolet disinfection device 10, an air inlet is connected with an exhalation assisting fan 11, and an air outlet is communicated with the air buffer chamber 8 through a hose.

Each ultraviolet disinfection unit consists of a cold cathode ultraviolet lamp tube 17 and an ultraviolet reflection tube 16. In order to ensure the disinfection and sterilization effect, a plurality of disinfection units are connected and arranged together through the U-shaped connecting pipes 18 so as to fully meet the requirement that the total dose of ultraviolet radiation reaches the value enough to inactivate or kill various pathogenic microorganisms.

The cold cathode ultraviolet lamp 17 is an ozone-free cold cathode ultraviolet lamp with a wavelength of 253.7 nanometers.

The ultraviolet reflection tube 16 is a round tube type made of a mirror stainless steel or a mirror aluminum oxide material, and the cold cathode ultraviolet lamp 17 is installed therein, which is a place for sterilizing and disinfecting the respiratory gas.

As can be seen from fig. 1 and 4, the germ filter 9 is composed of a filter element support plate 5, a filter element sheet 6 and a filter element cover 7. The medial surface of filter core backup pad 5 and ultraviolet ray degassing unit 10's shell constitute a gas cushion chamber 8, and filter element 6 is placed in the concave surface district of lateral surface, and filter element lid 7 is detained and is pressed on filter core backup pad 5, fixed filter element 6. The filter element support plate 5 and the filter element cover 7 are consistent in structure, are in a circular or polygonal grid shape, and are convenient for gas flow. The filter core piece 6 is made of the same material as the mask filter core 14 and is also made of medical mask cloth material and is used for filtering bacteria and viruses and preventing pathogenic microorganisms from diffusing into the air.

The gas buffer cavity 8 is used for increasing the filtering area of the germ filtering device 9, slowing down the gas flow rate and improving the filtering effect of the filter chip 6.

The portable power source be DC power supply, for expiration helping hand fan 11, cold cathode ultraviolet fluorescent tube 17 provide working power supply, if charge precious, portable, it is convenient to remove, controls its operating condition through the on & off switch.

The working process of the utility model is as follows:

the patient wears the breathing mask 1 on his shoulders, presses the working key, and then starts the expiration assisting fan 11 and the cold cathode ultraviolet lamp 17. At this time, the gas exhaled by the patient enters the ultraviolet ray disinfection apparatus 10 through the storage mask 1, the air supply hose 12 and the auxiliary exhalation fan 11, is disinfected and sterilized in the ultraviolet ray reflection pipe 16 by the cold cathode ultraviolet lamp 17, and is discharged into the gas buffer chamber 8. Subsequently, the germs possibly remaining in the exhaled air are filtered and blocked by the filter element sheet 6 again, and the air is discharged safely. And pressing a stop key to stop the work of the expiration boosting fan 11 and the cold cathode ultraviolet lamp 17 so as to finish a disinfection and sterilization process.

After the equipment works, the patient can autonomously adjust the flow of the expiration power-assisted fan 11 through the + and-air volume adjusting keys arranged on the equipment operation panel to assist the patient in expiration so as to make the patient breathe easily without feeling of suffocation. The exhalation assisting fan 11 is a stepless speed-changing fan, gradually increases the flow from minus to plus, and reduces the flow of the gas as much as possible on the premise of ensuring the breathing comfort of the patient in order to achieve the optimal disinfection and sterilization and blocking isolation effects on viruses and bacteria, and if the flow is too large, the flow rate of the gas is too fast, so that the disinfection and sterilization time and the blocking and filtering requirements cannot be met.

The mask filter element 14 in the breathing mask 1 and the filter element sheet 6 in the germ filtering device 9 need to be replaced at the right moment.

Claims

1. The utility model provides a backpack patient exhales gas sterilizer which characterized in that: the breathing mask is worn on the mouth and nose of a patient, the ultraviolet disinfection device is carried on the back of the patient, and an air outlet interface of the breathing mask is connected with an air inlet of the ultraviolet disinfection device through an air supply hose and the expiration assisting fan; the exhaust port of the ultraviolet disinfection device is communicated with the gas buffer cavity, and the gas buffer cavity is connected with the germ filtering device.

2. The backpack patient exhalation gas sterilizer of claim 1, wherein: the interface of giving vent to anger of respirator establishes in respirator bottom, and the face guard interface of giving vent to anger is equipped with the lid.

3. The backpack patient exhalation gas sterilizer of claim 1, wherein: the silica gel base of respirator and the gomphosis of the face guard body are as an organic whole, form an enlarged cavity, and there is face guard intake zone at the cavity top, face guard intake zone comprises filter core seat and face guard filter core, and the face guard filter core is put in the filter core seat, and is fixed through the face guard lid.

4. The backpack patient exhalation gas sterilizer of claim 3, wherein: the face cover cap is consistent with the filter element seat in structure and is in a circular or polygonal grid shape, and the face cover cap is made of elastic materials and is buckled and pressed on the filter element seat to be directly opened, so that the face cover filter element is convenient to replace.

5. The backpack patient exhalation gas sterilizer of claim 1, wherein: the expiration assisting fan is a direct-current low-flow stepless speed change fan, and the air volume of the expiration assisting fan is matched with the breathing ventilation volume of a normal person.

6. The backpack patient exhalation gas sterilizer of claim 1, wherein: the ultraviolet disinfection device is composed of a plurality of ultraviolet disinfection units, 2 interfaces are arranged at two ends of the ultraviolet disinfection device, the air inlet is connected with the expiration power-assisted fan, and the air outlet is communicated with the gas buffer cavity through a hose.

7. The backpack patient exhalation gas sterilizer of claim 1, wherein: the ultraviolet disinfection unit consists of a cold cathode ultraviolet lamp tube and an ultraviolet reflection tube, and a plurality of ultraviolet disinfection units are connected and arranged together through U-shaped connecting tubes.

8. The backpack patient exhalation gas sterilizer of claim 7, wherein: the cold cathode ultraviolet lamp tube is an ozone-free cold cathode ultraviolet lamp tube, and the wavelength of the cold cathode ultraviolet lamp tube is 253.7 nanometers.

9. The backpack patient exhalation gas sterilizer of claim 7, wherein: the ultraviolet reflection tube is processed into a round tube shape by mirror surface stainless steel or mirror surface aluminum oxide material, and the cold cathode ultraviolet lamp tube is arranged in the ultraviolet reflection tube.

10. The backpack patient exhalation gas sterilizer of claim 1, wherein: the germ filtering device consists of a filter element supporting plate, a filter element and a filter element cover, wherein the inner side surface of the filter element supporting plate and the shell of the ultraviolet disinfection device form a gas buffer cavity, the filter element is placed in the concave surface area of the outer side surface, the filter element cover is buckled and pressed on the filter element supporting plate, the filter element is fixed, and the filter element supporting plate and the filter element cover are consistent in structure and are in a circular or polygonal grid shape; the filter chip is made of medical mask cloth.