CN209933581U - Sputum degassing unit suitable for respiratory infectious disease patient - Google Patents
Sputum degassing unit suitable for respiratory infectious disease patient Download PDFInfo
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- CN209933581U CN209933581U CN201821311715.9U CN201821311715U CN209933581U CN 209933581 U CN209933581 U CN 209933581U CN 201821311715 U CN201821311715 U CN 201821311715U CN 209933581 U CN209933581 U CN 209933581U
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Abstract
The utility model belongs to the field of medical disinfection apparatus, in particular to a sputum disinfection device suitable for patients with respiratory tract infectious disease, which comprises an outer bag, an inner bag, a sealing device and a puncture device, wherein the inner bag is positioned inside the outer bag, the inner bag is fixed on the inner wall of one side of the opening of the outer bag, and the inner bag is filled with disinfectant; the sealing device is arranged on the inner wall of the outer bag, the sealing device comprises sealing pieces symmetrically arranged on two sides of the inner wall of the outer bag, the puncture device is arranged in the opening of the outer bag, and the puncture device can puncture the inner bag after the two sealing pieces are attached; and a threading channel is arranged around the outer bag opening, and a tightening rope capable of tightening the outer bag opening is threaded in the threading channel. The utility model discloses a degassing unit can let the inside and outside patient of hospital facilitate the use, effectively kills all kinds of pathogenic bacteria in the respiratory infectious disease patient sputum such as tuberculosis, is particularly useful for the disinfection of tuberculosis mycobacterium in the tuberculosis patient sputum, can effectively cut off the infection way, reduces the infection rate of tuberculosis disease.
Description
Technical Field
The utility model belongs to the field of medical disinfection apparatus, concretely relates to sputum degassing unit suitable for respiratory infectious disease patient.
Background
Respiratory infectious diseases refer to infectious diseases caused by invasion of pathogens from respiratory infections such as nasal cavities, throats, tracheas, bronchi and the like of human bodies, and tuberculosis is one of common respiratory infectious diseases. Mycobacterium tuberculosis can survive for 8-10 days in dry sputum core and spray, the cell wall of the Mycobacterium tuberculosis contains a large amount of lipid and has strong resistance to the disinfectant, the Mycobacterium tuberculosis should be sterilized by using a high-and-medium-efficiency disinfectant according to the instruction of 2015 edition of medical and health disinfection standard guidelines, the daily spitting frequency of a tuberculosis patient is 4.56 times, 25.3% of the patients think that the sputum of the tuberculosis patient is not infectious, 40.1% of the patients keep a passive attitude for treating the sputum, 17.9% of the patients spit anywhere, and the ratio of the Mycobacterium tuberculosis to the sputum treatment mode is the highest in the investigation. This indicates that the proportion of the patient taking protective measures against the consciousness is still low, and the chance of exposure of the sputum containing the tubercle bacillus to the external environment is large, resulting in an increased chance of infection between the surrounding population and the person in close contact.
At present, domestic treatment to inpatient's sputum all is that place the antiseptic solution in the sputum cup, adds to cover and pours into the sewer after placing the certain time, perhaps lets the patient spit the sputum and concentrate on putting the paper piece and burn, and traditional approach has the disinfection inconvenient, and the long problem of disinfection time, and the patient is out of hospital especially lacks effectual sputum degassing unit, and the potential safety hazard is big. In summary, the prior art has the problem that a sputum disinfection device suitable for patients with respiratory tract infectious diseases such as tuberculosis is lacked.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sputum disinfection device suitable for respiratory tract infectious disease patients, which is an effective sputum disinfection device suitable for respiratory tract infectious disease patients such as tuberculosis, and has short disinfection time and convenient use for sputum.
The utility model provides a sputum disinfection device suitable for respiratory infectious disease patients, which comprises an outer bag, an inner bag, a sealing device and a puncture device, wherein the inner bag is positioned inside the outer bag, the inner bag is fixed on the inner wall of one side of the mouth of the outer bag, a distance is reserved between the inner bag and the inner wall of the other side of the outer bag, and disinfectant is filled in the inner bag;
the sealing device is arranged on the inner wall of the outer bag and is positioned above the inner bag, the sealing device comprises sealing pieces symmetrically arranged on two sides of the inner wall of the outer bag, and the opening of the outer bag can be sealed after the two sealing pieces are attached;
the puncture device is arranged in the outer bag and positioned on the side of the inner bag, and the inner bag can be punctured by the puncture device after the two sealing pieces are attached;
the outer bag opening is provided with a through passage in a surrounding mode, the two sides of the through passage are symmetrically provided with penetrating ports, the penetrating ports divide the through passage into two sections of arc-shaped through passages, two sections of tightening ropes capable of tightening the outer bag opening are penetrated in the arc-shaped through passages, the end portions of the tightening ropes penetrate through the through passages, and the two sealing pieces can be attached together after the outer bag opening is tightened.
Preferably, in the sputum disinfection device for patients with respiratory tract infection, the outer bag is a square bag.
Preferably, in the above sputum disinfection apparatus for patients with respiratory tract infection, the height of the outer bag is 3-5cm, and the height of the inner bag is 2cm smaller than the height of the outer bag.
Preferably, among the above-mentioned sputum degassing unit who is applicable to respiratory infectious disease patient, the sealing member covers and fixes for the laminating rubber pad or the latex pad of thickness 0.5-3mm on the outer bag sack inner wall, two the coating has the adhesive that can bond each other on the relative side of sealing member, and it can tear off from the type paper to paste on the adhesive.
Preferably, the sealing piece is double-sided adhesive tape, and release paper capable of being torn off is pasted on the double-sided adhesive tape.
Preferably, in the above sputum disinfection apparatus for patients with respiratory tract infection, the sum of the lengths of the two sealing members is equal to the perimeter of the inner wall of the mouth of the outer bag.
Preferably, in the sputum disinfection device suitable for patients with respiratory tract infection, the puncture device comprises a mounting pad and a puncture needle for puncturing the inner bag, one surface of the mounting pad is fixedly mounted on the inner wall of the opening of the outer bag, and the other surface opposite to the inner bag is fixedly provided with the puncture needle;
preferably, in the above sputum disinfection apparatus for patients with respiratory tract infection, the number of the puncture devices is 1-4, and the puncture devices are uniformly distributed around the surface of the inner bag separated from the surface of the outer bag.
Compared with the prior art, the utility model provides a sputum degassing unit suitable for respiratory infectious disease patient has following beneficial effect:
the sputum disinfection device provided by the utility model is a high-efficiency disinfection bag which can be used once, the outer bag is used for containing sputum, the inner bag is used for containing disinfectant, and the disinfectant is used for disinfecting the sputum; the sealing device is used for sealing the outer bag, and sealing the opening of the outer bag after being attached by the sealing piece; the tightening rope is used for tightening the opening of the outer bag, and the two sealing pieces can be attached together after the opening of the outer bag is tightened; the puncture device is used for puncturing the inner bag, and the inner bag can be punctured by the puncture device after the two sealing pieces are attached.
Based on the functions of the components, the patient can immediately perform disinfection operation after spitting, the use is convenient, and the environment is not easily polluted. The utility model discloses a degassing unit can let inside and outside patient economy, facilitate the use of hospital, and various pathogenic bacteria in the effectual respiratory infectious disease patient's such as elimination tuberculosis sputum are particularly useful for the disinfection of tuberculosis mycobacterium in tuberculosis patient's sputum, can effectively cut off the infection way, reduce the infection rate of tuberculosis disease.
2. The disinfection effect is verified: the concentration of the disinfectant contained in the inner bag is 5000mg/L, the disinfection is finished after 2-6 hours after the disinfectant is mixed with the sputum, and the total number of bacteria in the sterilized sputum is less than 5CFU/cm2。
Drawings
FIG. 1 is a schematic longitudinal sectional view of the sputum disinfection device for respiratory infectious disease patients according to the present invention;
FIG. 2 is a schematic structural view of the sputum disinfection device for respiratory infectious patients with two sealing members separated;
FIG. 3 is a schematic structural view of the sputum disinfection device for respiratory infectious disease patients according to the present invention with two sealing members attached;
FIG. 4 is a plan view of the mouth of the outer bag when two sealing members of the sputum disinfection device for respiratory infectious disease patients of the present invention are separated;
FIG. 5 is a plan view of the mouth of the outer bag when two sealing members of the sputum disinfection device for respiratory infectious disease patients of the present invention are attached;
fig. 6 is a schematic view of the connection between the outer bag and the tightening rope of the sputum disinfection device for respiratory infectious disease patients.
Description of reference numerals: 1. the outer bag, 11, a through channel, 12, a tightening rope, 2, an inner bag, 3, a sealing piece, 31, release paper, 4, a mounting pad and 41, a needle.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
A sputum disinfection device suitable for respiratory tract infectious disease patients is specifically shown in figures 1-6, wherein figures 1 and 6 are a structural drawing in a front view direction, figures 2 and 3 are a structural drawing in a left view direction, respectively, figures 4 and 5 are a plan view in a top view direction, and specific names of the figures refer to the description part of the figures.
The utility model comprises an outer bag 1, an inner bag 2, a sealing device and a puncture device, wherein the inner bag 2 is positioned inside the outer bag 1, the mouth of the inner bag 2 is stuck and fixed on the inner wall of one side of the mouth of the outer bag 1, a distance is reserved between the inner bag 2 and the inner wall of the other side of the outer bag 1, if the inner bag 2 is fixed on the inner wall of the left side of the outer bag 1, a distance of 1-5cm is reserved between the inner wall of the right side of the outer bag 1 and the inner bag 2, and if the inner bag 2 is fixed on the inner wall of the right side of the outer bag 1, a distance of 1-5cm is reserved between; disinfectant capable of disinfecting sputum is filled in the inner bag 2; after the inner bag 2 is filled with disinfectant, the opening of the bag needs to be sealed;
the sealing device is arranged on the inner wall of the outer bag 1 and is positioned above the inner bag 2, the sealing device comprises sealing pieces 3 which are symmetrically arranged on two sides of the inner wall of the outer bag 1, and the opening of the outer bag 1 can be sealed after the two sealing pieces 3 are attached;
the puncture device is arranged in the opening of the outer bag 1 and is positioned on the side of the inner bag 2, the distance between the puncture device and the inner bag 2 is less than the distance between the two sealing pieces 3, and the puncture device can puncture the inner bag 2 after the two sealing pieces 3 are attached;
the cross-under channel 11 is arranged around the outer bag opening of the outer bag 1, the cross-under ports are symmetrically arranged on two sides of the cross-under channel 11, the cross-under ports divide the cross-under channel 11 into two sections of arc-shaped cross-under channels, the two sections of arc-shaped cross-under channels are internally connected with tightening ropes 12 capable of tightening the outer bag opening of the outer bag 1 in a cross-under mode, the end portions of the tightening ropes 12 penetrate out of the cross-under ports, the outer bag opening of the outer bag 1 is used for being tightened, and the two sealing pieces 3 can be attached together.
The working principle of the utility model is as follows: outer bag 1 is used for holding the sputum, and inner bag 2 is used for holding the antiseptic solution, and the antiseptic solution is used for disinfecting the sputum. The sealing device is used for sealing the outer bag 1, and the opening of the outer bag 1 is sealed after being attached through the sealing piece 3. The tightening rope 12 is used for tightening the bag opening of the outer bag 1, and the two sealing pieces 3 can be attached together after the bag opening of the outer bag 1 is tightened. The puncture device is used for puncturing the inner bag 2, and the puncture device can puncture the inner bag 2 after the two sealing pieces 3 are attached. In order to facilitate the puncturing device to puncture the inner bag 2, the puncturing device can be installed at a position close to the crossing channel 11 on the inner wall of the outer bag 1, so that when the crossing channel 11 is locked with the tightening rope 12 to tighten, the puncturing device can be driven to automatically move towards the inner bag 2, and the inner bag 2 is punctured.
The utility model discloses an among the embodiment, outer bag 1 is square bag, is convenient for produce and deposit, and outer bag 1 chooses for use the better plastic tape of toughness or other waterproof bag of difficult quilt piercing depth.
In the specific embodiment of the utility model, the height of outer bag 1 is 3-5cm, and the height ratio of inner bag 2 outer bag 1 is 2cm less than the height, after puncturing inner bag 2, makes inner bag 2 puncture back liquid can flow out smoothly, can make interior antiseptic solution evenly distributed as early as possible in outer bag 1, and inner bag 2 adopts easily is by the film bag or the plastic tape of piercing depth.
In the specific embodiment of the utility model, sealing member 3 covers and fixes the rubber pad or the latex pad of thickness 0.5-3mm on outer bag 1 sack inner wall for the laminating, and the coating has adhesive (glue, double faced adhesive tape etc.) that can adhere to each other on two sealing member 3 relative sides to it has release paper 31 that can tear off to paste on the adhesive. The sealing performance of the rubber pad or the latex pad is good, and the mouth of the outer bag 1 can be strictly sealed by matching with the use of the adhesive, so that the liquid in the bag is prevented from flowing out. Or the sealing piece 3 is a double-sided adhesive tape, the double-sided adhesive tape is pasted with release paper 31 which can be torn off, and the double-sided adhesive tape is convenient to paste and easy to produce.
In the specific embodiment of the utility model, the sum of the lengths of the two sealing pieces 3 is equal to the perimeter of the inner wall of the bag opening of the outer bag 1, and the sealing performance of the bag opening 1 is further improved.
In the embodiment of the present invention, the puncturing device comprises a mounting pad 4 and a puncturing needle 41 for puncturing the inner bag 2, wherein the mounting pad 4 is fixedly adhered to one surface of the inner bag 1 and is mounted on the inner wall of the bag opening of the outer bag 1, and the puncturing needle 41 is fixed on the other surface opposite to the inner bag 2. The number of the puncture devices is 1-4, the puncture devices are evenly distributed around the surface of the inner bag 2 separated from the outer bag 1, and the puncture devices are not arranged on the surface of the inner bag 2 bonded with the outer bag 1. The puncture needle 41 can be a metal needle with a needle sleeve or a sharp acrylic plate of the needle sleeve, the puncture needle 41 is protected by the needle sleeve before spitting the sputum to prevent the puncture needle from puncturing the inner bag 2, and the pillowcase is taken down and thrown into the outer bag 1 for disposable use.
It should be noted that, in the present invention, the outer bag 1 can be made of plastic bag or other material that is not easy to leak liquid and can tighten the bag opening with the tightening rope 12.
It should be noted that, as shown in fig. 6, in the utility model, the number of tightening ropes 12 is two, one is white, and one is grey, all is the U type cross-under in two sections arc cross-under passageways, and two tightening ropes 12 cross-under in opposite directions, and the operator can draw the tightening rope simultaneously to both ends, and then the quick sealed outer bag 1 sack. Two ends of each tightening rope 12 are tied together, the connecting part is hooked by a hand, the rope can be quickly pulled, and the operation is convenient.
Based on the same concept, the utility model also provides a method for disinfecting by utilizing the sputum disinfection device which is suitable for respiratory infectious disease patients: the opening of the outer bag 1 is opened, and the sputum is spitted or put into the outer bag 1. As shown in fig. 1 and 3, the tightening rope 12 is tightened to tighten the opening of the outer bag 1, so that the two sealing members 3 are attached to seal the outer bag 1, the puncture device punctures the inner bag 2, as shown in fig. 3 and 5, the disinfectant in the inner bag 2 flows out and is mixed with the sputum, and the disinfection is completed after 2-6 hours.
The disinfectant is a commercially available chlorine-containing disinfectant, and the filling capacity of the inner bag 2 is 15ml, namely 15ml of disinfectant is filled. The chlorine-containing disinfectant is prepared into a disinfectant with the concentration of 5000mg/L by utilizing a commercially available Jianzhisu disinfectant tablet.
And (3) verification of disinfection effect:
the product with disinfection function, which is made by adding proper amount of disinfectant and other raw materials into the purified water, is packed into the inner bag of the device, which is suitable for the disinfection of the sputum of human body. According to 2015 edition of medical sanitation standard guidelines, it is indicated that Mycobacterium tuberculosis should be sterilized with high-and medium-efficiency disinfectant.
In order to achieve the effect of rapid disinfection, the concentration of the disinfectant prepared by the utility model is 2000-plus 5000mg/L chlorine-containing disinfectant, the concrete preparation method is as follows: jianzhisu disinfection tablets (the main component is trichloroisocyanuric acid sodium, Beijing Jianzhisu medicine science and technology Co., Ltd.) 2000-5000mg (4-10 tablets) of disinfection tablets) and purified water 1L (the purified water is the production water) are fully dissolved to obtain the disinfection solution.
Experimental group a: get 2000mg/L of prepared disinfectant solution and put into containing chlorine disinfectant 15ml the utility model discloses in the inner bag of device, simultaneously to the utility model discloses add 3 ml's positive sample of sputum fungus in the outer bag of device, disinfect the sputum with the antiseptic solution according to above-mentioned "a method that is applicable to respiratory infectious disease patient's sputum degassing unit of utilization carries out the disinfection", act on 30min, 2h, 6h respectively after mixing and observe high-efficient antiseptic solution sterilization effect. A total of 50 parallel experiments were made.
The sterilization rate is according to the 2012 edition Hospital of the Ministry of healthDisinfection sanitation standard, namely the sterilization rate (total number of bacteria before disinfection-total number of bacteria after disinfection)/total number of bacteria before disinfection x 100%; when the total number of bacteria does not exceed 5CFU/cm2The product is qualified. The results show that the total number of bacteria in the sputum of all parallel experiments within 2-6 hours is less than 5CFU/cm2The disinfection effect is completed.
Experimental group B: 15ml of 5000mg/L prepared disinfectant solution containing chlorine is taken and put into the inner bag of the device, and the rest operations are the same as those of the experimental group A. The results showed that the total number of bacteria in sputum was less than 5CFU/cm in all parallel experiments within 2 hours2The disinfection effect is completed.
Experimental group C: get 2000mg/L of prepared disinfectant solution and put into with chlorine disinfectant 20ml the utility model discloses in the inner bag of device to the utility model discloses add 4 ml's positive sample of sputum fungus in the outer bag of device, all the other operations are with experimental group A. The results showed that the total number of bacteria in the sputum was less than 5CFU/cm in all parallel experiments within 6 hours2The disinfection effect is completed.
Experimental group D: get the prepared disinfection solution 5000mg/L chlorine-containing disinfectant 20ml and put into the utility model discloses in the inner bag of device to the utility model discloses add 3 ml's sputum positive specimen in the outer bag of device, all the other operations are with experimental group A. The results showed that the total number of bacteria in sputum was less than 5CFU/cm in all parallel experiments within 2 hours2The disinfection effect is completed.
Experimental group E: get the prepared disinfection solution 5000mg/L chlorine-containing disinfectant 20ml and put into the utility model discloses in the inner bag of device to the utility model discloses add 3 ml's sputum positive specimen in the outer bag of device, all the other operations are with experimental group A. The results showed that the total number of bacteria in the sputum was less than 5CFU/cm in all replicates within 3 hours2The disinfection effect is completed.
In the above embodiments, components used are commercially available components, and the structures of these components are not described in detail since the components do not relate to the utility model.
It should be noted that, when the present invention relates to a numerical range, it should be understood that two endpoints of each numerical range and any numerical value between the two endpoints can be selected, and since the steps and methods adopted are the same as those of the embodiments, in order to prevent redundancy, the present invention describes a preferred embodiment. While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The sputum disinfection device suitable for patients with respiratory tract infectious diseases is characterized by comprising an outer bag (1), an inner bag (2), a sealing device and a puncture device, wherein the inner bag (2) is positioned inside the outer bag (1), the inner bag (2) is fixed on the inner wall of one side of the opening of the outer bag (1), a distance is reserved between the inner bag (2) and the inner wall of the other side of the outer bag (1), and disinfectant is filled in the inner bag (2);
the sealing device is arranged on the inner wall of the outer bag (1) and is positioned above the inner bag (2), the sealing device comprises sealing pieces (3) symmetrically arranged on two sides of the inner wall of the outer bag (1), and the bag opening of the outer bag (1) can be sealed after the two sealing pieces (3) are attached;
the puncture device is arranged in the outer bag (1) and is positioned on the side of the inner bag (2), the puncture device comprises a mounting pad (4) and a puncture needle (41) for puncturing the inner bag (2), one surface of the mounting pad (4) is fixedly arranged on the inner wall of the opening of the outer bag (1), the puncture needle (41) is fixed on the surface of the other mounting pad opposite to the inner bag (2), the distance between the puncture device and the inner bag (2) is smaller than the distance between the two sealing pieces (3), and the puncture device can puncture the inner bag (2) after the two sealing pieces (3) are attached;
center on outer bag (1) sack externally mounted has cross-under passageway (11), the bilateral symmetry of cross-under passageway (11) has seted up the cross-under mouth, and two cross-under mouths will cross-under passageway (11) is separated into two sections arc cross-under passageways, two sections cross-under has can with tighten up rope (12) that outer bag (1) sack tightened up, and the tip of receiving tight rope (12) is worn out the cross-under mouth, two sealing pieces (3) can the laminating be in the same place after outer bag (1) sack is tightened up.
2. A sputum disinfection apparatus for patients with respiratory infections according to claim 1, wherein the outer bag (1) is a square bag.
3. A sputum disinfection apparatus for patients with respiratory infections according to claim 1, wherein the height of the outer bag (1) is 3-5cm, and the height of the inner bag (2) is 2cm less than the height of the outer bag (1).
4. A sputum disinfection apparatus for patients with respiratory tract infections according to claim 1, wherein said sealing members (3) are rubber pads or latex pads with a thickness of 0.5-3mm which are fit over and fixed on the inner wall of the mouth of said outer bag (1), two opposite sides of said sealing members (3) are coated with adhesive capable of adhering to each other, and said adhesive is coated with release paper (31) capable of being torn off.
5. A sputum disinfection apparatus for patients with respiratory tract infections according to claim 1, wherein the sealing member (3) is double-sided adhesive tape and the double-sided adhesive tape is adhered with a release paper (31) which can be torn off.
6. A sputum disinfection apparatus for patients with respiratory tract infections according to claim 4 or 5, wherein the sum of the lengths of the two sealing members (3) is equal to the perimeter of the inner wall of the mouth of the outer bag (1).
7. A sputum disinfection apparatus for patients with respiratory infections according to claim 1, characterized in that the number of said puncture devices is 1-4 and evenly distributed around the surface of the inner bag (2) separate from the outer bag (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311715.9U CN209933581U (en) | 2018-08-15 | 2018-08-15 | Sputum degassing unit suitable for respiratory infectious disease patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311715.9U CN209933581U (en) | 2018-08-15 | 2018-08-15 | Sputum degassing unit suitable for respiratory infectious disease patient |
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| Publication Number | Publication Date |
|---|---|
| CN209933581U true CN209933581U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821311715.9U Expired - Fee Related CN209933581U (en) | 2018-08-15 | 2018-08-15 | Sputum degassing unit suitable for respiratory infectious disease patient |
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| CN (1) | CN209933581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635617A (en) * | 2018-08-15 | 2018-10-12 | 刘伶俐 | A kind of sputum chlorination equipment and sterilization method suitable for respiratory passage infectious disease patients |
-
2018
- 2018-08-15 CN CN201821311715.9U patent/CN209933581U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635617A (en) * | 2018-08-15 | 2018-10-12 | 刘伶俐 | A kind of sputum chlorination equipment and sterilization method suitable for respiratory passage infectious disease patients |
| CN108635617B (en) * | 2018-08-15 | 2024-05-10 | 刘伶俐 | Sputum disinfection device and disinfection method suitable for respiratory tract infectious disease patients |
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