CN111281436A - Mouth-nose synergistic novel coronavirus pneumonia sampling device - Google Patents
Mouth-nose synergistic novel coronavirus pneumonia sampling device Download PDFInfo
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- CN111281436A CN111281436A CN202010111686.7A CN202010111686A CN111281436A CN 111281436 A CN111281436 A CN 111281436A CN 202010111686 A CN202010111686 A CN 202010111686A CN 111281436 A CN111281436 A CN 111281436A
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- virus
- test tube
- sampling device
- connecting pipe
- solenoid
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- 238000005070 sampling Methods 0.000 title claims abstract description 47
- 206010035664 Pneumonia Diseases 0.000 title claims abstract description 20
- 241000711573 Coronaviridae Species 0.000 title claims abstract description 19
- 230000002195 synergetic effect Effects 0.000 title claims abstract description 12
- 241000700605 Viruses Species 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000004321 preservation Methods 0.000 claims abstract description 23
- 229920000742 Cotton Polymers 0.000 claims abstract description 20
- 239000003761 preservation solution Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 230000003612 virological effect Effects 0.000 description 6
- 206010011224 Cough Diseases 0.000 description 5
- 210000001989 nasopharynx Anatomy 0.000 description 4
- 210000003300 oropharynx Anatomy 0.000 description 4
- 230000028327 secretion Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 210000003026 hypopharynx Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002458 infectious effect Effects 0.000 description 2
- 210000003456 pulmonary alveoli Anatomy 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 208000010444 Acidosis Diseases 0.000 description 1
- 206010001052 Acute respiratory distress syndrome Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 208000006083 Hypokinesia Diseases 0.000 description 1
- 206010027417 Metabolic acidosis Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 208000013616 Respiratory Distress Syndrome Diseases 0.000 description 1
- 206010040070 Septic Shock Diseases 0.000 description 1
- 201000000028 adult respiratory distress syndrome Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 208000017574 dry cough Diseases 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036303 septic shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B10/0051—Devices for taking samples of body liquids for taking saliva or sputum samples
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
The invention relates to the technical field of sampling, in particular to an oronasal synergistic novel coronavirus pneumonia sampling device which comprises a virus oronasal collection cover, wherein the left side of the virus oronasal collection cover is communicated with a collection cover connecting cylinder, the left side of the collection cover connecting cylinder is communicated with a connecting pipe, and the left side of the connecting pipe is communicated with a virus preservation solution test tube. According to the invention, through the arrangement of the virus oral-nasal collection cover, the collection cover connecting cylinder, the connecting pipe, the virus preservation liquid test tube, the virus preservation liquid absorbent cotton, the regulating valve, the connecting solenoid and the exhaust valve, the oral-nasal cooperation type novel coronavirus pneumonia sampling device has the advantages of reducing the risk of infecting other people, reducing the difficulty of sampling operation and improving the effectiveness of a sampling sample, and solves the problems that the virus carrying capacity adopted by the conventional sampling device is different, the sampling error is possibly caused, and patients feel uncomfortable in the sampling process and easily bring infection risks.
Description
Technical Field
The invention relates to the technical field of sampling, in particular to a mouth-nose synergistic novel coronavirus pneumonia sampling device.
Background
The symptoms of the virus are fever, hypodynamia, dry cough and gradual dyspnea, and severe patients show acute respiratory distress syndrome, septic shock, metabolic acidosis and blood coagulation dysfunction which are difficult to correct.
Whether the people suffer from novel coronavirus pneumonia in order to detect other people, often need use sampling device to take a sample, but what present sampling device generally adopted is the secretion of oropharynx or nasopharynx portion, and the viral load capacity of patient's alveolus and the viral load capacity that rises to upper respiratory track are possible to have the difference, and the accuracy of sampling has certain relation with the operator individual, operate differently when everybody samples, also can lead to the sampling error, when scraping the laryngopharynx portion with the cotton swab simultaneously, patient has uncomfortable, cough even, have liquid droplet to spout to nurse's face or on one's body, bring the infectious risk, for this provide one kind can reduce to infect other people's risk, also can reduce the sampling operation degree of difficulty, can also promote the sampling device of sample validity and solve this problem.
SUMMARY OF THE PATENT FOR INVENTION
The invention aims to provide an oronasal-synergetic novel coronavirus pneumonia sampling device, which has the advantages of reducing the risk of infecting other people, reducing the difficulty of sampling operation and improving the effectiveness of a sampling sample, and solves the problems that the secretion of oropharynx or nasopharynx is generally adopted by the conventional sampling device, the viral load of alveoli of a patient and the viral load of upper respiratory tract are possibly different, the sampling accuracy is in a certain relationship with the individual of an operator, the operation is different when each person samples, the sampling error can be caused, and meanwhile, when the throat is scraped by a cotton swab, the patient feels uncomfortable, even coughs, and liquid spray is sprayed on the face or body of a nurse to cause infection risk.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mouth nose is novel coronavirus pneumonia sampling device in coordination, collects the cover including virus mouth nose, the left side intercommunication that the cover was collected to virus mouth nose has a collection cover connecting cylinder, the left side intercommunication of collecting the cover connecting cylinder has the connecting pipe, the left side intercommunication of connecting pipe has the virus to preserve the liquid test tube, virus preservation liquid cotton that absorbs water has been placed to the inside of virus preservation liquid test tube, the inside fixed mounting of connecting pipe has the governing valve, the right side intercommunication of connecting pipe has the connection solenoid, the surface of connecting the solenoid and the inside threaded connection who collects the cover connecting cylinder, connect the solenoid and collect cover connecting cylinder intercommunication, the surface intercommunication of virus preservation liquid test tube has discharge valve.
Preferably, a sealing ring is bonded on the left side of the collecting cover connecting cylinder, and the left side of the sealing ring is tightly attached to the right side of the connecting pipe.
Preferably, the left side of connecting pipe intercommunication has the connection outer solenoid, the surface of connecting the outer solenoid and the inside threaded connection of virus preservation liquid test tube, connect outer solenoid and virus preservation liquid test tube intercommunication.
Preferably, the surface of the connecting outer spiral tube is sleeved with a sealing gasket, and the sealing gasket is positioned between the connecting tube and the virus preservation solution test tube.
Preferably, the surface of the connecting pipe is provided with anti-slip threads, and the trend of the anti-slip threads is consistent with the trend of the connecting screw pipe and the trend of the connecting outer screw pipe.
Preferably, the inner wall of the virus preservation solution test tube is bonded with waterproof cotton, and the waterproof cotton corresponds to the exhaust valve.
Preferably, the middle end of the surface of the virus preservation solution test tube is provided with an anti-skidding group, and the anti-skidding group and the virus preservation solution test tube have the same trend.
Preferably, the virus oral-nasal collection cover and the collection cover connecting cylinder are integrally processed, and the virus oral-nasal collection cover is made of PP plastic.
Preferably, the connecting pipe, the connecting solenoid and the connecting outer solenoid are integrally processed, and the connecting pipe, the connecting solenoid and the connecting outer solenoid are all made of PP plastics.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a novel oronasal virus pneumonia sampling device, which has the advantages of reducing the risk of infecting others, reducing the difficulty of sampling operation and improving the effectiveness of a sampling sample by arranging a virus oronasal collection cover, a collection cover connecting cylinder, a connecting pipe, a virus preservation liquid test tube, virus preservation liquid absorbent cotton, a regulating valve, a connecting spiral tube and an exhaust valve, solves the problems that the prior sampling device generally adopts secretion of oropharynx or nasopharynx, the virus carrying capacity of alveoli of patients and the virus carrying capacity of upper respiratory tract are possibly different, the sampling accuracy has a certain relationship with the individual of an operator, each person has different operation during sampling and can cause sampling error, and when the laryngopharynx is scraped by a cotton swab, the patients feel uncomfortable and even cough, liquid spray is sprayed to the face or body of a nurse, bringing about the risk of infection.
Drawings
FIG. 1 is a schematic view of the inventive structure;
FIG. 2 is a perspective view of the virus oral-nasal collection cover of the present invention;
FIG. 3 is a perspective view of a test tube for storing a virus according to the present invention;
FIG. 4 is a perspective view of a connecting tube according to the present invention;
FIG. 5 is a partial cross-sectional view of a test tube for a virus preservation solution according to the present invention.
In the figure: 1. a virus mouth and nose collecting cover; 2. a collection hood connecting cylinder; 3. a connecting pipe; 4. a virus preservation solution test tube; 5. the virus preservation solution is absorbent cotton; 6. adjusting a valve; 7. connecting a solenoid; 8. an exhaust valve; 9. a seal ring; 10. connecting an outer solenoid; 11. a sealing gasket; 12. anti-skid lines; 13. waterproof cotton; 14. and (4) an anti-slip group.
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, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.
Please refer to fig. 1-5, a mouth-nose collaborative novel coronavirus pneumonia sampling device, which comprises a virus mouth-nose collection cover 1, wherein the left side of the virus mouth-nose collection cover 1 is communicated with a collection cover connecting cylinder 2, the left side of the collection cover connecting cylinder 2 is communicated with a connecting pipe 3, the left side of the connecting pipe 3 is communicated with a virus preservation solution test tube 4, virus preservation solution absorbent cotton 5 is placed in the virus preservation solution test tube 4, an adjusting valve 6 is fixedly arranged in the connecting pipe 3, the right side of the connecting pipe 3 is communicated with a connecting screw tube 7, the surface of the connecting screw tube 7 is in threaded connection with the inside of the collection cover connecting cylinder 2, the connecting screw tube 7 is communicated with the collection cover connecting cylinder 2, the surface of the virus preservation solution test tube 4 is communicated with an exhaust valve 8, the virus mouth-nose collection cover 1, the collection cover connecting cylinder 2, the connecting pipe 3, the virus preservation solution test tube 4, the virus, Governing valve 6, connect solenoid 7 and discharge valve 8's setting, make this novel coronavirus pneumonia sampling device in coordination of mouth and nose, possess and reduce and infect other people's risk, also can reduce the sampling operation degree of difficulty, can also promote the advantage of sample validity, it is the secretion of oropharynx or nasopharynx portion to have solved present sampling device and generally taken, and the viral load capacity of patient's alveolus and the viral load capacity that rises to upper respiratory track probably have the difference, and the accuracy of sampling has certain relation with the operator is individual, the operation is different when everybody samples, also can lead to sampling error, when scraping the laryngopharynx portion with the cotton swab simultaneously, patient has uncomfortable sense, cough even, there is the liquid droplet to spout to nurse's face or on one's body, bring the problem of infectious risk.
In this embodiment, the left side of collecting cover connecting cylinder 2 is bonded with sealing washer 9, and the left side of sealing washer 9 is hugged closely with the right side of connecting pipe 3, and sealing washer 9 can seal the left side of collecting cover connecting cylinder 2, avoids gaseous leakage.
In this embodiment, the left side intercommunication of connecting pipe 3 has the connection outer solenoid 10, connects the surface of outer solenoid 10 and the inside threaded connection of virus preserving fluid test tube 4, connects outer solenoid 10 and virus preserving fluid test tube 4 intercommunication, connects outer solenoid 10 and can make things convenient for the dismantlement of virus preserving fluid test tube 4 to the cotton 5 that absorbs water is preserved to the convenience with the virus takes out.
In this embodiment, seal ring 11 has been cup jointed on the surface of connecting outer solenoid 10, and seal ring 11 is located between connecting pipe 3 and the virus preservation liquid test tube 4, and seal ring 11 can seal virus preservation liquid test tube 4, is favorable to keeping the sealed state of virus preservation liquid test tube 4.
In this embodiment, the surface of the connecting pipe 3 is provided with the anti-slip threads 12, the direction of the anti-slip threads 12 is consistent with the directions of the connecting screw pipe 7 and the connecting outer screw pipe 10, and the anti-slip threads 12 can enhance the friction force on the surface of the connecting pipe 3, so that the connecting pipe is convenient to detach.
In this embodiment, the inner wall bonding of virus preservation liquid test tube 4 has waterproof cotton 13, and waterproof cotton 13 corresponds with discharge valve 8, and waterproof cotton 13 can avoid liquid to follow gas outgoing.
In this embodiment, the middle end of the surface of the virus preservation solution test tube 4 is provided with the anti-slip group 14, the anti-slip group 14 is consistent with the direction of the virus preservation solution test tube 4, and the anti-slip group 14 can enhance the friction force on the surface of the virus preservation solution test tube 4.
In this embodiment, cover 1 is collected to virus mouth and nose and 2 integrated into one piece processing of collection cover connecting cylinder, and cover 1 is collected to virus mouth and nose is made by PP plastics, and the structure of integrated into one piece processing can make things convenient for the production and the use of device.
In this embodiment, the connection pipe 3, the connection solenoid 7 and the connection outer solenoid 10 are integrally processed, and the connection pipe 3, the connection solenoid 7 and the connection outer solenoid 10 are made of PP plastic, which is beneficial to maintaining the sealing performance of the device.
The working principle is as follows: the patient inhales a breath deeply, the virus mouth and nose collecting cover 1 is aligned with the mouth and nose and is fastened tightly, the breath is slowly exhaled, the exhaled air and the accompanying gas sequentially pass through the collecting cover connecting cylinder 2, the connecting screw tube 7, the connecting tube 3 and the connecting outer screw tube 10 to enter the virus preservation liquid test tube 4, the gas is exhausted through the exhaust valve 8, the liquid is absorbed after contacting with the virus preservation liquid absorbent cotton 5, the adjusting valve 6 is rotated to close the connecting tube 3 after the exhalation is completed, the connecting tube 3 is rotated through the anti-skid veins 12, the connecting tube 3 drives the connecting screw tube 7 to rotate inside the collecting cover connecting cylinder 2, the disassembly is completed, and the virus preservation liquid test tube 4 is sealed and packaged to be detected.
Although embodiments of the present patent have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present patent, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a novel coronavirus pneumonia sampling device is in coordination to mouth and nose, collects cover (1) including virus mouth and nose, its characterized in that: the left side intercommunication that cover (1) was collected to virus mouth and nose has collection cover connecting cylinder (2), the left side intercommunication of collecting cover connecting cylinder (2) has connecting pipe (3), the left side intercommunication of connecting pipe (3) has virus preservation liquid test tube (4), virus preservation liquid cotton (5) of absorbing water have been placed to the inside of virus preservation liquid test tube (4), the inside fixed mounting of connecting pipe (3) has governing valve (6), the right side intercommunication of connecting pipe (3) has connection solenoid (7), connect the surface of solenoid (7) and the inside threaded connection who collects cover connecting cylinder (2), connect solenoid (7) and collect cover connecting cylinder (2) intercommunication, the surface intercommunication of virus preservation liquid test tube (4) has discharge valve (8).
2. The oronasal synergistic novel coronavirus pneumonia sampling device of claim 1, wherein: the left side of collecting cover connecting cylinder (2) is bonded with sealing washer (9), the left side of sealing washer (9) is hugged closely with the right side of connecting pipe (3).
3. The oronasal synergistic novel coronavirus pneumonia sampling device of claim 1, wherein: the left side intercommunication of connecting pipe (3) has connects outer solenoid (10), the surface of connecting outer solenoid (10) and the inside threaded connection of virus preservation liquid test tube (4), connect outer solenoid (10) and virus preservation liquid test tube (4) intercommunication.
4. The oronasal synergistic novel coronavirus pneumonia sampling device of claim 1 or 3, wherein: the surface of connecting outer solenoid (10) has cup jointed seal ring (11), seal ring (11) are located between connecting pipe (3) and virus preservation liquid test tube (4).
5. The oronasal synergistic novel coronavirus pneumonia sampling device of claim 1 or 3, wherein: the anti-skidding connecting pipe is characterized in that anti-skidding threads (12) are formed in the surface of the connecting pipe (3), and the trend of the anti-skidding threads (12) is consistent with the trend of the connecting spiral pipe (7) and the trend of the connecting outer spiral pipe (10).
6. The oronasal synergistic novel coronavirus pneumonia sampling device of claim 1, wherein: the inner wall of the virus preservation solution test tube (4) is adhered with waterproof cotton (13), and the waterproof cotton (13) corresponds to the exhaust valve (8).
7. The oronasal synergistic novel coronavirus pneumonia sampling device of claim 1, wherein: the middle end of the surface of the virus preservation solution test tube (4) is provided with an anti-skidding group (14), and the anti-skidding group (14) is consistent with the trend of the virus preservation solution test tube (4).
8. The oronasal synergistic novel coronavirus pneumonia sampling device of claim 1, wherein: the virus mouth and nose collecting cover (1) and the collecting cover connecting cylinder (2) are integrally processed, and the virus mouth and nose collecting cover (1) is made of PP plastic.
9. The oronasal synergistic novel coronavirus pneumonia sampling device of claim 1 or 3, wherein: the connecting pipe (3), the connecting solenoid (7) and the connecting outer solenoid (10) are integrally processed, and the connecting pipe (3), the connecting solenoid (7) and the connecting outer solenoid (10) are all made of PP plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010111686.7A CN111281436A (en) | 2020-02-24 | 2020-02-24 | Mouth-nose synergistic novel coronavirus pneumonia sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010111686.7A CN111281436A (en) | 2020-02-24 | 2020-02-24 | Mouth-nose synergistic novel coronavirus pneumonia sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN111281436A true CN111281436A (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010111686.7A Pending CN111281436A (en) | 2020-02-24 | 2020-02-24 | Mouth-nose synergistic novel coronavirus pneumonia sampling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370083A (en) * | 2020-10-27 | 2021-02-19 | 广州金域医学检验中心有限公司 | Respiratory virus sampling device and method |
| CN112545571A (en) * | 2020-12-23 | 2021-03-26 | 张行 | Nasal obstruction device for sample retention detection of pneumovirus |
| EP3949867A1 (en) * | 2020-08-03 | 2022-02-09 | Chia-Pin Liu | Sampling face mask |
| FR3121828A1 (en) * | 2021-04-14 | 2022-10-21 | Heatlh Care Product Conception | Ergonomic saliva receptacle |
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| EP0127259A1 (en) * | 1983-05-23 | 1984-12-05 | Drägerwerk Aktiengesellschaft | Throw-away breath sample device |
| CN2609565Y (en) * | 2003-06-10 | 2004-04-07 | 中国人民解放军264医院 | Oxygen uptake device with virus exhalation collector for SARS patient |
| JP2008119552A (en) * | 2008-02-27 | 2008-05-29 | Kochikai | Virus collector |
| JP2009028053A (en) * | 2008-10-07 | 2009-02-12 | Kochikai | Influenza virus separator and method for separating influenza virus |
| CN109718446A (en) * | 2019-02-26 | 2019-05-07 | 中国人民解放军联勤保障部队第九八五医院 | Respiratory infectious disease breathing circuit |
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2020
- 2020-02-24 CN CN202010111686.7A patent/CN111281436A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0127259A1 (en) * | 1983-05-23 | 1984-12-05 | Drägerwerk Aktiengesellschaft | Throw-away breath sample device |
| CN2609565Y (en) * | 2003-06-10 | 2004-04-07 | 中国人民解放军264医院 | Oxygen uptake device with virus exhalation collector for SARS patient |
| JP2008119552A (en) * | 2008-02-27 | 2008-05-29 | Kochikai | Virus collector |
| JP2009028053A (en) * | 2008-10-07 | 2009-02-12 | Kochikai | Influenza virus separator and method for separating influenza virus |
| CN109718446A (en) * | 2019-02-26 | 2019-05-07 | 中国人民解放军联勤保障部队第九八五医院 | Respiratory infectious disease breathing circuit |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3949867A1 (en) * | 2020-08-03 | 2022-02-09 | Chia-Pin Liu | Sampling face mask |
| KR20220016785A (en) * | 2020-08-03 | 2022-02-10 | 치아-핀 리우 | Sampling face mask |
| CN114053614A (en) * | 2020-08-03 | 2022-02-18 | 刘家宾 | Adopt and examine face guard |
| KR102515030B1 (en) | 2020-08-03 | 2023-03-27 | 치아-핀 리우 | Sampling face mask |
| CN112370083A (en) * | 2020-10-27 | 2021-02-19 | 广州金域医学检验中心有限公司 | Respiratory virus sampling device and method |
| CN112545571A (en) * | 2020-12-23 | 2021-03-26 | 张行 | Nasal obstruction device for sample retention detection of pneumovirus |
| FR3121828A1 (en) * | 2021-04-14 | 2022-10-21 | Heatlh Care Product Conception | Ergonomic saliva receptacle |
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