CN213249278U - Nasopharyngeal scale swab - Google Patents
Nasopharyngeal scale swab Download PDFInfo
- Publication number
- CN213249278U CN213249278U CN202021350411.0U CN202021350411U CN213249278U CN 213249278 U CN213249278 U CN 213249278U CN 202021350411 U CN202021350411 U CN 202021350411U CN 213249278 U CN213249278 U CN 213249278U
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- scale
- swab
- connecting rod
- nasopharyngeal
- sampling
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- 238000005070 sampling Methods 0.000 claims abstract description 64
- 210000001989 nasopharynx Anatomy 0.000 claims abstract description 17
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 210000003928 nasal cavity Anatomy 0.000 abstract description 24
- 238000001514 detection method Methods 0.000 abstract description 8
- 241000700605 Viruses Species 0.000 abstract description 6
- 239000000443 aerosol Substances 0.000 description 5
- 210000003128 head Anatomy 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000028327 secretion Effects 0.000 description 5
- 230000000638 stimulation Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 206010041232 sneezing Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 206010057190 Respiratory tract infections Diseases 0.000 description 2
- 241000746998 Tragus Species 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 210000001944 turbinate Anatomy 0.000 description 2
- 208000025721 COVID-19 Diseases 0.000 description 1
- 206010008479 Chest Pain Diseases 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 206010024971 Lower respiratory tract infections Diseases 0.000 description 1
- 208000025370 Middle East respiratory syndrome Diseases 0.000 description 1
- 208000000592 Nasal Polyps Diseases 0.000 description 1
- 206010028779 Nasal turbinate hypertrophy Diseases 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- 206010039101 Rhinorrhoea Diseases 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 206010046306 Upper respiratory tract infection Diseases 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000003679 cervix uteri Anatomy 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000001780 epistaxis Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 208000016366 nasal cavity polyp Diseases 0.000 description 1
- 208000010753 nasal discharge Diseases 0.000 description 1
- 210000000492 nasalseptum Anatomy 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000014599 transmission of virus Effects 0.000 description 1
- 230000009385 viral infection Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model relates to a nasopharyngeal scale swab, which comprises a holding rod part, a sampling head end, a breaking point, a connecting rod, a scale point, a groove and a movable indicating rod; the holding rod part and the sampling head end are respectively arranged at the tail end and the front end of the connecting rod; the breaking point is arranged at the joint of the holding rod part and the tail end of the connecting rod; the scale points are multiple and are uniformly distributed at the bottom of the rear section of the connecting rod; the groove is arranged on the surface of the connecting rod at a position corresponding to the plurality of scale points; the movable indicating rod is arranged inside the groove and is in a matching structure with the groove. Its advantages are: the device can accurately mark the depth of the swab entering the nasopharynx, better ensure the quality of a nasopharynx swab specimen, simultaneously reduce the difficulty of the depth of the swab extending into the nasal cavity and reduce the discomfort of a patient, improve the sampling efficiency and the positive detection rate, reduce the virus propagation risk and increase the sampling safety.
Description
Technical Field
The utility model belongs to the technical field of the medical appliances technique and specifically relates to a nasopharynx scale swab.
Background
Respiratory tract virus infection is the most common type of clinical respiratory tract infection, can cause large-scale epidemic infectious diseases, such as H1N1, SARS, MERS, H7N9, COVID-19 and the like which occur in the world in the last 20 years, can cause light upper respiratory tract infection symptoms such as cough, nasal discharge and the like, can also cause severe lower respiratory tract infection symptoms such as chest distress, respiratory failure and the like, and brings considerable life and property loss to people. In the first-line clinical diagnosis and treatment, the main sample source for early screening is upper respiratory tract secretion, wherein the nasopharyngeal swab has higher detection positive rate and more value compared with the pharyngeal swab and the nasal swab, but the deeper position of the nasopharyngeal swab has higher requirements on sampling materials and operation technology. The existing nasopharyngeal swab has better effect by disposable nylon flocking nasopharyngeal swab, and comprises a plastic handle, a breaking point and a nylon flocking head end.
The existing nasopharyngeal swab is made of materials, and nylon flocking is proved to be superior to traditional terylene, rayon and the like. There is a design deficiency in that depth into the nasal cavity cannot be assessed. For individuals of different ages, heights and sexes, the depth of the nasopharynx part has a certain anatomical difference. In addition, the breaking points of most kinds of nasopharyngeal swabs on the market are designed to be 8-10 centimeters away from the front ends of the swabs, the depth of the nasopharynx of a person is about 9-13 centimeters, and the breaking points contact with mucous membranes of the nasal cavity, so that the risk of contacting secretions of a sampler is increased. The swab head end is mostly cylinder type or vertebra type, and in view of the narrow space in the nasal cavity, the head end gets into the resistance that meets great, causes by the person who samples to have stronger stimulation and sour bloated sense. The current nasopharyngeal swab sampling method is to extend along the bottom of the nose until resistance is met, but due to the complexity of the anatomical structure in the nasal cavity, the conditions of hypertrophy of nasal turbinates, deflection of nasal septum, nasal polyp and the like can exist, and sampling deviation can be caused. On one hand, the quality of a sample is influenced, nasopharyngeal secretion is rich at a pharyngeal crypt, the detection positive rate of the nasal secretion is lower than that of the nasopharyngeal secretion, and therefore the quality of the sample is influenced by too shallow or too deep stretching depth; on the other hand, if the depth is not known, the depth is too deep, which may increase the discomfort of the subject, increase the risk of viral transmission due to aerosol generated by sneezing, and cause epistaxis.
Chinese patent documents: CN201120024914.3, application date 2011.01.26, patent names: a nasal cavity sampling swab. Discloses a nasal cavity sampling swab, which comprises a handle, a connecting rod and a sampling head; one end of the connecting rod is connected with the handle and is integrally formed with the handle, and the other end of the connecting rod is connected with the sampling head; the sampling head comprises a plastic head and nylon villi planted on the plastic head; the connecting rod is a transparent or semitransparent rod body, a capillary pipeline is arranged in the connecting rod, and the capillary pipeline is communicated with the outer surface of the sampling head.
Chinese patent documents: CN201821245642.8, application date 2018.08.03, patent names: a penholder type flocked swab device. A penholder type flocked swab device comprises a swab rod and a swab head, wherein the swab head is a flocked layer covering the end of the swab rod and further comprises a fixing tube, a fixing tail cover and a test tube; a first guide block is arranged inside the fixed tail cover; the front end of the fixed pipe is in a pen point shape and is provided with a through hole, the inner surface of the through hole is provided with a second guide block, and the rear end of the fixed pipe is embedded with the fixed tail cover; the swab rod penetrates through the through hole of the fixed pipe and is embedded with the inside of the fixed tail cover; the test tube is embedded with the front end of the fixed tube.
In the above patent document CN201120024914.3, a connecting rod is provided with a capillary tube inside, the capillary tube is communicated with the outer surface of the sampling head, and the nasal cavity sampling swab is mainly characterized in that when sampling a virus sample in a nasal cavity, the nasal cavity sampling swab can warn a bleeding phenomenon in the nasal cavity; in the CN201821245642.8 patent document, the front end of the fixed tube is in a pen head shape and has a through hole, the rear end of the fixed tube is embedded with the tail cover, the test tube is embedded with the front end of the fixed tube, and the pen type flocked swab can be used for nasopharynx sampling, gynecological cervix sampling, and microorganism sampling, especially for DNA collection. However, the above two types of swab have not been suggested to the depth of nasal cavity, and a nasopharyngeal scale swab capable of accurately marking the depth of the swab entering the nasopharynx better ensures the quality of the nasopharyngeal swab specimen, and simultaneously reduces the difficulty of the swab entering the nasal cavity and the discomfort of a patient, improves the sampling efficiency and the positive detection rate, reduces the virus propagation risk, and increases the sampling safety has no related report at present.
In summary, there is a need for a nasopharyngeal scale swab capable of accurately marking the depth of the swab entering the nasopharynx, better ensuring the quality of the nasopharyngeal swab specimen, simultaneously reducing the difficulty of the swab entering the nasopharynx, reducing the discomfort of the patient, improving the sampling efficiency and the positive detection rate, reducing the risk of virus transmission, and increasing the sampling safety.
Disclosure of Invention
The utility model aims at overcoming prior art's is not enough, provides the degree of depth that can more accurate mark swab got into the nasopharynx, guarantees the quality of nasopharynx swab sample better, reduces simultaneously and stretches into the nasal cavity degree of depth degree of difficulty and alleviate the uncomfortable sense of patient, improves sampling efficiency and positive relevance rate, reduces the virus and spreads the risk, increases a nasopharynx scale swab of sample security.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a nasopharynx scale swab comprises a holding rod part, a sampling head end, a breaking point, a connecting rod, scale points, a groove and a movable indicating rod; the holding rod part and the sampling head end are respectively arranged at the tail end and the front end of the connecting rod; the breaking point is arranged at the joint of the holding rod part and the tail end of the connecting rod; the scale points are multiple and are uniformly distributed at the bottom of the rear section of the connecting rod; the groove is arranged on the surface of the connecting rod at a position corresponding to the plurality of scale points; the movable indicating rod is arranged inside the groove and is in a matching structure with the groove.
As a preferred technical scheme, the sampling head end is of a flat structure, and the front end of the sampling head end is of an arc structure.
As a preferred technical scheme, the scale points are of a hemispherical structure, and the distance between the scale point at the foremost end of the bottom of the connecting rod and the tail end of the sampling head end is 9 cm.
As a preferred technical scheme, the distance between every two scale points is 1 cm.
As a preferred technical scheme, the movable indicating rod is of a right-angled triangle structure, the right-angled side is close to the sampling head end and is aligned with the scale point below.
As a preferred technical scheme, a friction fit motion structure is arranged between the movable indicating rod and the groove.
As an optimal technical scheme, the material of the sampling head end is nylon flocking, and the connecting rod is made of ABS material.
As a preferred technical scheme, the nasopharyngeal scale swab further comprises a thread concave structure.
As a preferable technical scheme, the thread concave structure is arranged on the surface of the holding rod part.
The utility model has the advantages that:
1. the entering depth of the swab is accurately marked, the quality of the nasopharyngeal swab specimen is better guaranteed, and the positive detection rate is improved.
2. The swab has reasonable length distribution, and the breaking point and the holding rod part do not contact the nasal cavity of the detected person, thereby increasing the sampling safety.
3. The swab sampling head end is flat, so that the difficulty of extending into the deep part of the nasal cavity is reduced, and the discomfort of a patient is relieved.
4. Avoid the discomfort of the person to be detected caused by the excessively deep insertion of the swab and reduce the risk of generating aerosol such as sneezing due to stimulation.
5. The sampling position is appropriate, improves the sampling efficiency, reduces the aerosol production in the sampling process, reduces the virus spread risk.
Drawings
Fig. 1 is a schematic three-dimensional structure of a nasopharyngeal scale swab of the present invention.
Figure 2 is a front view of the connecting rod and the sampling head end of the nasopharyngeal scale swab of the utility model.
Fig. 3 is a top view of the connecting rod and the sampling head of the nasopharyngeal scale swab of the present invention.
Fig. 4 is a schematic three-dimensional structure of another nasopharyngeal scale swab of the present invention.
Detailed Description
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. grip rod part 11, screw thread recess
2. Sampling head end 3. break point
4. Connecting rod 5, scale point
6. Groove 7. movable indicating rod
Example 1
Please refer to fig. 1, fig. 1 is a schematic perspective view of a nasopharyngeal scale swab of the present invention. A nasopharynx scale swab comprises a holding rod part 1, a sampling head end 2, a breaking point 3, a connecting rod 4, a scale point 5, a groove 6 and a movable indicating rod 7; the holding rod part 1 and the sampling head end 2 are respectively arranged at the tail end and the front end of the connecting rod 4; the breaking point 3 is arranged at the joint of the holding rod part 1 and the tail end of the connecting rod 4; the scale points 5 are multiple and are uniformly distributed at the bottom of the rear section of the connecting rod 4; the groove 6 is arranged on the surface of the connecting rod 4 at a position corresponding to the plurality of scale points 5; the movable indicating rod 7 is arranged in the groove 6 and is in a sliding fit structure with the groove 6.
It should be noted that: the sampling head end 2 is of a flat structure, the front end of the sampling head end is of an arc structure, and due to the fact that the space in the nasal cavity is narrow, the lower turbinate is relatively spacious compared with the position of the nasal bottom close to the septum, the mucous membrane sensitivity of the lower turbinate is relatively low, discomfort after stimulation is relatively low, compared with a cylindrical or vertebral shape, the flat structure of the sampling head end 2 is designed to pass through the space more easily, and therefore discomfort of a patient caused by sampling is reduced; the sampling head end 2 is made of nylon flocking, so that the collection efficiency of the specimen can be improved; the breaking point 3 is arranged at the joint of the holding rod part 1 and the tail end of the connecting rod 4, so that the breaking point 3 is positioned at the far end of the scale point 5, and the breaking point 3 is ensured not to contact the nasal cavity of the person to be sampled; the connecting rod 4 is made of ABS material; the scale points 5 are of a hemispherical structure, the distance between the center of the scale point 5 at the foremost end of the bottom of the connecting rod 4 and the tail end of the sampling head end 3 is 9cm, and the insertion depth of the swab can be estimated according to the distance from the anterior naris to the tragus in actual use; the plurality of scale points 5 are designed at the bottom of the rear section of the connecting rod 4, and the depth of the sampling head end 2 entering the nasal cavity can be judged through the scale points 5, so that discomfort of a person to be detected caused by too deep insertion of the swab is avoided, the risk of aerosol generated by sneezing and the like due to stimulation is reduced, the quality of a nasopharyngeal swab specimen is better guaranteed, and the positive detection rate is improved; the distance between every two scale points 5 on the connecting rod 4 is 1 cm; the movable indicating rod 7 is in a right-angled triangle structure, a right-angled side is close to the sampling head end 2 and is aligned with the center 5 of the scale point below the sampling head end to play an indicating role; a friction fit motion structure is arranged between the movable indicating rod 7 and the groove 6; design through portable gauge stick 7, alright instruct sampling head end 2 to stretch into the nasal cavity degree of depth, utilize the friction fit motion between portable gauge stick 7 and the recess 6 as hindering simultaneously, can play and prevent that the accident from causing the swab to insert too deeply and arouse sample risks such as patient discomfort, increase the sample security.
Example 2
Please refer to fig. 4, fig. 4 is a schematic perspective view of another nasopharyngeal scale swab of the present invention. The present embodiment is substantially the same as embodiment 1, except that the surface of the grip portion 1 in the present embodiment is provided with a threaded recess 11; the surface of the holding rod part 1 is provided with the thread recess 11, so that the friction force between the holding rod part 1 and the hand of a sampler can be increased, and the operation stability is improved.
The nasopharynx scale swab of the utility model reduces the difficulty of the swab extending into the deep part of the nasal cavity and reduces the discomfort of the patient by utilizing the flat structure of the sampling head end; the design that the breaking point is arranged at the joint of the holding rod part and the tail end of the connecting rod ensures that the breaking point is positioned at the far end of the scale point, thereby ensuring that the breaking point does not contact the nasal cavity of the person to be sampled; the scale points are of a hemispherical structure, the distance between the center of the scale point at the foremost end of the bottom of the connecting rod and the tail end of the sampling head end is 9cm, and in actual use, the insertion depth of the swab can be estimated according to the distance from the anterior naris to the tragus; the number of the scale points is multiple, and the scale points are all designed at the bottom of the rear section of the connecting rod, so that the depth of the sampling head end entering the nasal cavity can be judged through the scale points, the discomfort of a detected person caused by the fact that the swab is inserted too deeply is avoided, the aerosol risk caused by sneezing and the like due to stimulation is reduced, the quality of a nasopharynx swab specimen is better guaranteed, and the positive detection rate is improved; through the design of the movable indicating rod, the depth of the sampling head end extending into the nasal cavity can be indicated, and meanwhile, the friction fit motion between the movable indicating rod and the groove is used as a barrier, so that the sampling risk of discomfort of a patient and the like caused by the fact that a swab is inserted too deeply due to accidents can be prevented, and the sampling safety is improved; the surface of the holding rod part is provided with a thread recess; the surface of the holding rod part is provided with the thread recess, so that the friction force between the holding rod part and the hand of a sampler can be increased, and the operation stability is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A nasopharynx scale swab is characterized by comprising a holding rod part, a sampling head end, a breaking point, a connecting rod, a scale point, a groove and a movable indicating rod; the holding rod part and the sampling head end are respectively arranged at the tail end and the front end of the connecting rod; the breaking point is arranged at the joint of the holding rod part and the tail end of the connecting rod; the scale points are multiple and are uniformly distributed at the bottom of the rear section of the connecting rod; the groove is arranged on the surface of the connecting rod at a position corresponding to the plurality of scale points; the movable indicating rod is arranged inside the groove and is in a matching structure with the groove.
2. The nasopharyngeal scale swab of claim 1, wherein said sampling tip is flat and has an arcuate front end.
3. A nasopharyngeal scale swab according to claim 1, wherein said scale dots are hemispherical, and the distance between the center of the most forward scale dot at the bottom of the connecting rod and the end of the sampling head is 9 cm.
4. A nasopharyngeal scale swab according to claim 1, wherein said spacing between each two scale dots is 1 cm.
5. A nasopharyngeal scale swab according to claim 1, wherein said movable indicator rod is in the form of a right triangle having a right angle side proximate to the sampling tip end and aligned with the center of the underlying scale point.
6. A nasopharyngeal scale swab according to claim 1 wherein said movable indicator rod is in friction fit engagement with said recess.
7. The nasopharyngeal scale swab of claim 1, wherein the sampling tip is made of nylon flocking, and the connecting rod is made of ABS.
8. A nasopharyngeal scale swab according to claim 1, wherein said nasopharyngeal scale swab further comprises a threaded depression.
9. The nasopharyngeal scale swab of claim 8, wherein said threaded depression is formed in a surface of said handle portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350411.0U CN213249278U (en) | 2020-07-10 | 2020-07-10 | Nasopharyngeal scale swab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350411.0U CN213249278U (en) | 2020-07-10 | 2020-07-10 | Nasopharyngeal scale swab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213249278U true CN213249278U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021350411.0U Expired - Fee Related CN213249278U (en) | 2020-07-10 | 2020-07-10 | Nasopharyngeal scale swab |
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| Country | Link |
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| CN (1) | CN213249278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117618030A (en) * | 2022-08-29 | 2024-03-01 | 广陵化学工业株式会社 | Rod and sampling swab |
-
2020
- 2020-07-10 CN CN202021350411.0U patent/CN213249278U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117618030A (en) * | 2022-08-29 | 2024-03-01 | 广陵化学工业株式会社 | Rod and sampling swab |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |