CN116983019A - Anus swab sampling device - Google Patents
Anus swab sampling device Download PDFInfo
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- CN116983019A CN116983019A CN202311236567.4A CN202311236567A CN116983019A CN 116983019 A CN116983019 A CN 116983019A CN 202311236567 A CN202311236567 A CN 202311236567A CN 116983019 A CN116983019 A CN 116983019A
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- 238000005070 sampling Methods 0.000 title claims abstract description 150
- 210000000436 anus Anatomy 0.000 title description 18
- 239000007788 liquid Substances 0.000 claims abstract description 137
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 12
- 239000000243 solution Substances 0.000 description 29
- 239000011550 stock solution Substances 0.000 description 15
- 239000012528 membrane Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
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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
- A61B10/0038—Devices for taking faeces samples; Faecal examination devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application discloses an anal swab sampling device, which relates to the technical field of medical appliances and comprises: the sampler assembly is provided with a liquid storage bin and a sampling sign, the liquid storage bin is internally provided with a culture solution, and the end part of the liquid storage bin, which is close to the sampling sign, is provided with a sealing film for sealing the liquid storage bin; the end cover is sleeved at the end part of the sampler to shield the sampling label, the end cover is connected with the liquid storage bin through a preset locking mechanism, and a knife edge piece facing the sealing film is arranged at the inner side of the end cover; when the end cover and the liquid storage bin are in a first connection state, a gap is formed between the knife edge piece and the sealing film, and the knife edge piece and the sealing film are in a separation state; when the end cover and the liquid storage bin are in a second connection state, the knife edge piece abuts against the sealing film to damage the sealing film, so that the sealing state of the liquid storage bin is relieved, and the sampled sampling stick is soaked when the culture liquid overflows. The application aims to make the sampling process of the anal swab simple and efficient and effectively ensure the accuracy of the sampling result.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to an anal swab sampling device.
Background
Medical sampling is divided into various types, such as blood sampling, urine sampling and physical sampling by respectively extending into the nose, throat and anus of a tested person through a swab. The sample collection method using the nasopharyngeal swab is the most common sample collection method, such as nucleic acid sampling, but the sample collection result using the anal swab is relatively more accurate through scientific demonstration, however, because the sample collection method using the anal swab is not accepted by a common testee, even if the sample is sampled by the anal swab under the necessary condition, the testee usually performs self-sampling in a private space, and then the sample is sent to detection.
The current anus swab is the easy structure of breaking, and its stalk portion is close to one side of sampling end and is formed with the annular opening that easily produces the fracture, and the testee only need stretch into special test tube with the sampling end of anus swab after taking a sample, exert transverse shear force to it and can make the stalk portion of anus swab break in annular opening department, drop in the culture solution of special in vitro and cultivate, then the testee only need with this special test tube send to detect can.
However, when adopting the anus swab of above-mentioned easy structure to carry out the self-sampling, the sample position is not up to standard or the sampling depth is not enough easily appears, exists even that anus swab breaks in the risk in vivo, and holistic sampling operation is comparatively complicated, and still probably appears the unrestrained problem of culture solution in the special test tube after the sample, has influenced the cultivation of bacterium to make the sampling result inaccurate.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide an anal swab sampling device which aims at ensuring that the sampling process of an anal swab is simple and efficient and the accuracy of a sampling result is effectively ensured, so as to solve the technical problems that the sampling depth of the anal swab which is easy to fold and design in the prior art is not up to standard, the anal swab is broken and left in the body, and culture solution is easy to spill and inconvenient for sample storage in the sampling process, and finally the sampling operation is complex and the accuracy of the sampling effect cannot be ensured.
A first aspect of the present application provides an anal swab sampling device, the device comprising:
the sampler assembly is provided with a liquid storage bin and a sampling sign extending along the axial direction of the liquid storage bin, a culture solution is arranged in the liquid storage bin, and a sealing film for sealing the liquid storage bin is arranged at the end part, close to the sampling sign, of the liquid storage bin;
the end cover is sleeved at the end part of the sampler assembly to shield the sampling tag, the end cover is connected with the liquid storage bin through a preset locking mechanism, a knife edge piece facing the sealing film is arranged at the inner side of the end cover, the knife edge piece comprises a first connecting part and a second abutting part, the first connecting part is connected to the side wall of the end cover, the second abutting part is connected to one end, far away from the side wall of the end cover, of the first connecting part, and the second abutting part is arranged facing one side of the sealing film;
the second abutting part is opposite to an arc overflow hole which is preset on one side of the sampling sign facing the liquid storage bin, so that the second abutting part penetrates into the overflow hole to abut against the sealing film;
when the end cover and the liquid storage bin are in a first connection state, a space is formed between the knife edge piece and the sealing film, and the knife edge piece and the sealing film are in a separation state; when the end cover and the liquid storage bin are in transition to a second connection state, the knife edge piece rotates to abut against the sealing film to damage the sealing film, so that the sealing state of the liquid storage bin is released, and the sampling stick after the sampling is soaked when the culture liquid overflows.
According to an aspect of the above technical solution, when the end cover and the liquid storage bin are in a first connection state, the end cover and the liquid storage bin are pre-fixed, and when the end cover and the liquid storage bin are in a second connection state, the end cover and the liquid storage bin are fully fixed.
According to an aspect of the above technical solution, the locking mechanism includes a locking assembly and a limiting ring, the locking assembly includes a first locking portion and a second locking portion, one of the first locking portion and the second locking portion is disposed on the liquid storage bin, and the other is disposed on the end cover;
when the limiting ring is clamped between the liquid storage bin and the end cover, the limiting ring at least partially limits the axial freedom degree of mutual approaching of the liquid storage bin and the end cover, so that the liquid storage bin and the end cover can only realize a pre-fixed first connection state through the first locking part and the second locking part;
when the limiting ring is separated from and is not clamped between the liquid storage bin and the end cover, the end cover and the liquid storage bin can realize a second connection state of full fixation through the first locking part and the second locking part.
According to an aspect of the above technical solution, the first locking portion is disposed on a side of the liquid storage bin facing the end cover, and the second locking portion is disposed on a side of the end cover facing the liquid storage bin.
According to an aspect of the above technical solution, the first locking portion is an external thread provided at an end portion of the liquid storage bin, the second locking portion is an internal thread provided at an end portion of the end cover, and the external thread and the internal thread are mutually adapted;
when the limiting ring is sleeved between the liquid storage bin and the end cover, the external thread is not completely meshed with the internal thread.
According to one aspect of the above technical solution, a sealing ring is provided on the inner side of the end cover, and when the end cover and the liquid storage bin are in a first connection state, the limiting ring is located on a side of the sealing ring facing the opening of the end cover;
when the liquid storage bin and the end cover are connected with the second locking part through the first locking part, the limiting ring is sleeved on one side of the first locking part, which faces the second locking part, so that the axial freedom degree of the mutual motion of the liquid storage bin and the end cover is at least partially limited.
According to one aspect of the above technical solution, a first mounting portion is provided on a side of the liquid storage bin, which is close to the sampling stick, a second mounting portion with a hollow structure is provided on a side of the sampling stick, which faces the liquid storage bin, and the second mounting portion is nested in the first mounting portion and connected through the fastening component;
the buckling assembly comprises a first buckling piece arranged on the outer side of the first installation part and a second buckling piece arranged on the inner side of the second installation part, and when the second installation part is nested on the first installation part, the first buckling piece and the second buckling piece are staggered to realize buckling;
and the second mounting part is provided with an arc-shaped overflow hole in a penetrating manner, and when the liquid storage bin and the end cover are transited to the second connection state, the second abutting part of the knife edge piece is screwed into the arc-shaped overflow hole to abut against the sealing film.
According to an aspect of the above technical solution, the arc-shaped overflow holes include a plurality of arc-shaped overflow holes, the plurality of arc-shaped overflow holes are arranged at intervals on the second mounting portion, and the number of the second abutting portions is equal to the number of the arc-shaped overflow holes.
According to one aspect of the above technical solution, the end of the sampling stick, which is far away from the liquid storage bin, is provided with absorbent cotton, the length of the sampling stick is smaller than that of the end cover, and when the liquid storage bin and the end cover are in the second connection state, the sampling stick is in non-contact with the end cover.
Compared with the prior art, the anal swab sampling device has the beneficial effects that:
when using this anus swab sampling device to take a sample, through separating end cover and stock solution storehouse, hold the stock solution storehouse, sample the operation through the sample of connecting on the stock solution storehouse and sign, when feeling obvious resistance and can't continue to insert, it is suitable to explain the sampling depth, and after the sample finishes, also can combine end cover and stock solution storehouse, in order to cover the sample sign through the end cover, and at the in-process that end cover and stock solution storehouse combine, the inboard edge of a knife piece of end cover can contact the sealing membrane of butt stock solution storehouse tip, with form the damage of sealing membrane, thereby make the culture solution in the stock solution storehouse spill over with the infiltration sample sign, provide good storage condition for sample censor, consequently, adopt the anus sampling device in the centre of this embodiment to take a sample, the sample process is simple high-efficient, can effectively guarantee the accuracy of sampling result, in order to solve the anus swab of easy folding design in the sample process and appear the sampling depth is not up to reach standard, the fracture is kept in the internal, and the culture solution is easy to fall and is inconvenient for sample storage, finally, the result is complicated, the sample operation is difficult to guarantee the technical problem of sample sprinkling.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of an anal swab sampling device in a first state according to an embodiment of the present application;
FIG. 2 is a schematic diagram showing a structure of the anal swab sampling device in a second state according to the present application;
FIG. 3 is a schematic diagram showing a structure of a liquid storage bin in the anal swab sampling device according to the embodiment of the present application;
FIG. 4 is a schematic view of a sample tab at a first angle according to an embodiment of the present application;
FIG. 5 is a schematic view of a sample tab according to an embodiment of the present application at a second angle;
FIG. 6 is a schematic view of an end cap according to an embodiment of the present application;
fig. 7 is an enlarged schematic view of a portion of fig. 1.
Description of the drawings element symbols:
the liquid storage bin 10, the first mounting part 11, the first fastening piece 110, the sampling stick 20, the second mounting part 21, the second fastening piece 210, the overflow hole 211, the absorbent cotton 22, the culture solution 30, the sealing film 40, the end cover 50, the knife edge piece 51, the first connecting part 511, the second abutting part 512, the locking mechanism 60, the locking assembly 61, the first locking part 610, the second locking part 611, the limiting ring 62 and the sealing ring 70.
Detailed Description
In order to make the objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the application are presented in the figures. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
At present, although the sampling result of sampling by adopting the anal swab is relatively more accurate, the sampling mode of sampling by adopting the anal swab is not accepted by common testers due to the privacy of testers, and even if the anal swab is required to be sampled, the testers usually self-sample in the privacy space and then store the anal swab and send the anal swab to a medical institution or a detection mechanism for measuring the sampling result, so that the wide use of the anal swab sampling is limited.
The current anus swab is the easy structure of breaking, and its stalk portion is close to one side of sampling end and is formed with the annular opening that easily produces the fracture, and the testee only need stretch into special test tube with the sampling end of anus swab after taking a sample, exert transverse shear force to it and can make the stalk portion of anus swab break in annular opening department, drop in the culture solution of special in vitro and cultivate, then the testee only need with this special test tube send to detect can.
However, when adopting the anus swab of above-mentioned easy structure to carry out the self-sampling, the sample position is not up to standard or the sampling depth is not enough easily appears, exists even that anus swab breaks in the risk in vivo, and holistic sampling operation is comparatively complicated, and still probably appears the unrestrained problem of culture solution in the special test tube after the sample, has influenced the cultivation of bacterium to make the sampling result inaccurate.
Accordingly, the application aims to provide the anal swab sampling device which is simple and efficient in sampling and capable of effectively guaranteeing the sampling result, so as to solve the technical problems in the prior art.
Example 1
Referring to fig. 1-7, a first embodiment of the present application provides an anal swab sampling device, which is used for self-sampling of a subject or professional sampling by medical staff, and aims to make the sampling process simple and efficient and ensure accuracy of sampling results.
The anal swab sampling device in this embodiment comprises a sampler assembly and an end cap 50, wherein the sampler assembly is used for sampling, the end cap 50 is used for shielding at least part of the sampler assembly for protection, and the two components cooperate to store the culture solution 30 and the sample for detection.
The sampler assembly comprises a liquid storage bin 10 and a sampling sign 20 extending along the axial direction of the liquid storage bin 10, wherein the liquid storage bin 10 is of a tubular structure and is used for storing culture solution 30, a sealing film 40 used for sealing the liquid storage bin 10 is arranged at the end part of the liquid storage bin 10, and particularly, the sealing film 40 used for sealing the liquid storage bin 10 is arranged at the end part close to one side of the sampling sign 20, so that the culture solution 30 poured into the liquid storage bin 10 can be stored in a sealing mode through the sealing film 40. The sealing film 40 is, for example, an aluminum composite film, has a certain structural strength, is adhered to the port of the liquid storage bin 10 on the surface, and can prevent the culture solution 30 in the liquid storage bin 10 from overflowing, so as to seal and store the culture solution 30 in the liquid storage bin 10, thereby being convenient for transportation and storage of the device.
The end cap 50 is used for shielding the sampling stick 20 disposed on the liquid storage bin 10, that is, when the end cap 50 is connected with the liquid storage bin 10, the sampling stick 20 is shielded, and when the end cap 50 is separated from the liquid storage bin 10, the sampling stick 20 on the liquid storage bin 10 can be normally used for sampling.
Further, the liquid storage bin 10 is connected with the end cover 50 through a preset locking mechanism 60, so that the liquid storage bin 10 and the end cover 50 are fixed through the locking mechanism 60, and a knife edge piece 51 arranged towards one side of the sealing film 40 is arranged on the inner side of the end cover 50, and the knife edge piece 51 is made of hard materials, such as hard engineering plastics, for pressing the sealing film 40 under specific conditions, so that the sealing film 40 is broken, and the sealing state of the liquid storage bin 10 is relieved.
Specifically, the locking mechanism 60 includes a locking assembly 61 for connecting the cartridge 10 to the end cap 50, and a stop collar 62 for limiting the axial degree of freedom between the cartridge 10 and the end cap 50. The locking assembly 61 includes a first locking portion 610 and a second locking portion 611, the first locking portion 610 and the second locking portion 611 cooperating with each other to effect connection of the cartridge 10 to the end cap 50. It should be specifically noted that the technical terms "first" and "second" in the first locking portion 610 and the second locking portion 611 are only used for distinguishing and describing at the time of writing, and are not limited in any way.
In this embodiment, the first locking portion 610 is disposed on the liquid storage bin 10, the second locking portion 611 is disposed on the end cover 50, the first locking portion 610 is an external thread disposed on an outer surface of the liquid storage bin 10 near the end cover 50, and the second locking portion 611 is an internal thread disposed on an inner surface of the end cover 50 near the liquid storage bin 10, so that the connection between the liquid storage bin 10 and the end cover 50 is realized by the threaded cooperation of the first locking portion 610 and the second locking portion 611, and thus, the rotational degree of freedom in one rotational direction (screwing direction) between the liquid storage bin 10 and the end cover 50, and the axial degree of freedom in the relative movement of the two can be limited, so that the two can be fastened and connected for transportation and storage.
In other possible embodiments, the first locking portion 610 and the second locking portion 611 may be in a fastening structure, for example, the second locking portion 611 provided on the end cover 50 gradually approaches the first locking portion 610 on the liquid storage bin 10 in a rotating manner, passes over the first locking portion 610 and transits to the other side of the first locking portion 610, so as to fasten the two, thereby limiting the rotational freedom and the axial freedom between the liquid storage bin 10 and the end cover 50.
In addition, in the present embodiment, the limiting ring 62 in the locking mechanism 60 is sleeved between the first locking portion 610 of the liquid storage bin 10 and the second locking portion 611 of the end cover 50 in the initial state, so that the first locking portion 610 and the second locking portion 611 of the liquid storage bin 10 are blocked and meshed in the process of meshing the first locking portion 610 and the second locking portion 611 of the end cover 50, that is, the first locking portion 610 and the second locking portion 611 cannot be completely meshed in a physical isolation manner, so that the axial freedom degree of mutual movement of the liquid storage bin 10 and the end cover 50 is at least partially limited.
However, due to the fact that the physical isolation mode is adopted to at least partially limit the axial freedom of the mutual movement of the liquid storage bin 10 and the end cover 50, the mutual movement stroke of the liquid storage bin 10 and the end cover 50 is limited to, for example, only 80%, the liquid storage bin 10 and the end cover 50 are in a first connection state which is virtually pre-fixed, and the knife edge piece 51 cannot contact and press the sealing membrane 40 at the moment, so that the sealing membrane 40 cannot be damaged, and the storage of the culture solution 30 is facilitated; after the sampling is completed, the limiting ring 62 is naturally separated or manually stripped by applying an external force, the liquid storage bin 10 and the end cover 50 are not isolated by materials, the mutual movement stroke between the liquid storage bin 10 and the end cover 50 is not limited by the limiting ring 62, the first locking part 610 and the second locking part 611 can be completely meshed, the liquid storage bin 10 and the end cover 50 can realize a second connection state of being completely fixed, and in the second connection state, the knife edge piece 51 arranged on the inner wall of the end cover 50 is contacted with the sealing film 40 at the end part of the liquid storage bin 10, so that the sealing film 40 is damaged.
In this embodiment, the length of the sampling swab 20 is smaller than that of the end cover 50, absorbent cotton 22 is disposed on one side of the sampling swab 20 away from the liquid storage bin 10, and when the liquid storage bin 10 and the end cover 50 are in the second connection state, the sampling swab 20 is completely contained in the end cover 50, and the sampling swab 20 and the end cover 50 are not in contact with each other, so as to ensure the cleanliness of the sampling swab 20. The length of the sampling tag 20 meets the standard sampling depth, for example, when the standard sampling depth is about 3cm, the length of the sampling tag 20 is set to be 3cm, and when the sampling tag cannot be continuously inserted due to the obvious resistance, the sampling depth is proper, and the sampling effect can be ensured by sampling at the sampling depth.
When the device is used, a tested person or medical staff only needs to separate the end cover 50 of the device from the liquid storage bin 10, the limiting ring 62 is naturally separated from the liquid storage bin 10 or is manually taken down, the limiting ring 62 is held by the liquid storage bin 10, the sampling is carried out by using the sampling swab 20, the absorbent cotton 22 and the handle of the sampling swab 20 enter the body, when obvious resistance is perceived and the sampling depth can not be continuously inserted, standard sampling can be carried out based on the device, then the end cover 50 is covered on one side of the liquid storage bin 10, shielding of the sampling swab 20 can be realized, in the process of combining the end cover 50 with the liquid storage bin 10, the knife edge piece 51 arranged on the inner side of the end cover 50 is contacted with the sealing film 40 which is pressed against the end part of the liquid storage bin 10, so that the sealing film 40 is damaged, the culture solution 30 prefabricated in the liquid storage bin 10 overflows into a culture cavity formed by enclosing the end cover 50 and the liquid storage bin 10, the culture solution 30 can not overflow, and necessary storage conditions are provided for sample delivery.
Compared with the prior art, the anal swab sampling device in the embodiment has the beneficial effects that:
when using this anus swab sampling device to take a sample, through separating end cover 50 and stock solution storehouse 10, hold stock solution storehouse 10, sample through the sample of being connected on stock solution storehouse 10 and prop 20 and take a sample the operation, when feeling obvious resistance and can't continue to insert, it is suitable to explain the sampling depth, and after the sample finishes, can also combine end cover 50 and stock solution storehouse 10, in order to cover sample and prop 20 through end cover 50, and in the in-process that end cover 50 and stock solution storehouse 10 combine, the inboard edge of a knife piece 51 of end cover 50 can contact and support the sealing membrane 40 of pressing stock solution storehouse 10 tip, in order to form the damage of sealing membrane 40, thereby make stock solution 30 in the stock solution storehouse 10 overflow in order to soak sample and prop 20, provide good storage condition for the sample is examined for the sample is sent out, consequently, adopt the anus swab sampling device that shows in this embodiment to take a sample, the sample process is simple high-efficient, can effectively guarantee the accuracy of sampling result, in order to solve in the prior art easy sample depth of appearance in the sample process of easily up to reach standard, the fracture is put in the sample, and easy, and the sample 30 falls down easily, the sample is convenient for the sample is left in the complex, the sample operation has been difficult to guarantee that sample operation has been difficult to have caused to sample accuracy.
Example two
Referring to fig. 1, 2 and 6, a second embodiment of the present application also provides an anal swab sampling device, which is substantially similar to the anal swab sampling device of the first embodiment, except that:
in this embodiment, the inner side wall of the end cover 50 is further provided with a sealing ring 70, and when the liquid storage compartment 10 and the end cover 50 are in the first connection state, i.e. when the limiting ring 62 is sleeved between the liquid storage compartment 10 and the end cover 50, the limiting ring 62 is actually located at a side of the sealing ring 70 facing the opening of the end cover 50, i.e. when the liquid storage compartment 10 is combined with the end cover 50, the limiting ring 62 is located at a side of the sealing ring 70 facing the liquid storage compartment 10.
When the liquid storage bin 10 and the end cover 50 are connected by the first locking portion 610 and the second locking portion 611, the limiting ring 62 is sleeved on one side of the first locking portion 610 facing the second locking portion 611, so as to at least partially limit the axial freedom degree of the mutual movement of the liquid storage bin 10 and the end cover 50.
Specifically, the seal ring 70 has at least two functions, one of which is that the seal ring 70 can only extend into a certain position in the end cover 50, when the liquid storage bin 10 is combined with the end cover 50, the first locking part 610 of the liquid storage bin 10 is sleeved with the limiting ring 62, and the first locking part 610 which is sleeved with the limiting ring 62 in advance is blocked in the gradual engagement process with the second locking part 611, so that the liquid storage bin 10 and the end cover 50 can only realize a pre-fixed first connection state, and the first function of the seal ring 70 is to position the limiting ring 62;
secondly, after the sampling is finished, when the liquid storage bin 10 and the end cover 50 are combined, the liquid storage bin 10 and the end cover 50 can be in a second connection state which is fully fixed through the first locking part 610 and the second locking part 611 because of no physical isolation of the limiting ring 62, at the moment, the knife edge piece 51 is in contact with the sealing film 40, the sealing film 40 is damaged, the culture solution 30 overflows, and the sealing ring 70 positioned in the end cover 50 can move towards the liquid storage bin 10 further because of no physical isolation of the limiting ring 62, at the moment, the sealing ring 70 is clung to the joint of the liquid storage bin 10 and the end cover 50, so that the overflow of the culture solution 30 can be prevented, and the second function of the sealing ring 70 is to seal the culture solution 30, so that the overflow of the culture solution 30 from the joint of the two is avoided.
In this embodiment, the seal ring 70 is a sealing device embedded inside the end cap 50, and the seal ring 70 is embedded when the end cap 50 is manufactured, so that the embedding depth is ensured. For example, the end cover 50 is formed by injection molding of hard plastic, and when the end cover 50 is injection molded, the prefabricated seal ring 70 with special shape is put into a mold for injection molding; wherein the outer side of the seal ring 70 is flush to facilitate engagement with the end cap 50.
Example III
Referring to fig. 3, 4, 6 and 7, a third embodiment of the present application provides an anal swab sampling device, which has a substantially similar structure as the anal swab sampling device of the second embodiment, and is different from the anal swab sampling device of the first embodiment in that:
in this embodiment, the knife-edge member 51 includes a first connecting portion 511 and a second abutting portion 512, the first connecting portion 511 is connected to the side wall of the end cap 50, the second abutting portion 512 is connected to an end of the first connecting portion 511 away from the side wall of the end cap 50, and the second abutting portion 512 is disposed towards the sealing film 40.
In this embodiment, a first mounting portion 11 is disposed on a side of the liquid storage bin 10 near the sampling tag 20, a second mounting portion 21 with a hollow structure is disposed on a side of the sampling tag 20 facing the liquid storage bin 10, and the second mounting portion 21 is nested in the first mounting portion 11 and connected through the fastening component;
wherein the fastening assembly comprises a first fastening member 110 disposed outside the first mounting portion 11, and a second fastening member 210 disposed inside the second mounting portion 21, and when the second mounting portion 21 is nested on the first mounting portion 11, the first fastening member 110 and the second fastening member 210 are mutually staggered to achieve fastening;
and the second mounting portion 21 is provided with an overflow hole 211 in a penetrating manner, the overflow hole 211 is an arc-shaped overflow hole, and when the liquid storage bin 10 and the end cover 50 transition to the second connection state, the second abutting portion 512 of the knife edge member 51 is screwed into the arc-shaped overflow hole to abut against the sealing film 40.
Also in this embodiment, the plurality of arc-shaped overflow holes are provided at intervals on the second mounting portion 21, and the number of the second abutting portions 512 is equal to the number of the arc-shaped overflow holes.
In this embodiment, the liquid storage bin 10 and the sampling tag 20 of the sampler assembly are of a split type structure, not of an integral structure, and are connected by a fastening component therebetween. Specifically, the sampling tag 20 is nested in the first mounting portion 11 of the liquid storage bin 10 through the second mounting portion 21, and is connected through a buckling component, the buckling component wraps the first buckling piece 110 arranged on the inner side wall of the first mounting portion 11, and the second buckling piece 210 arranged on the outer side of the second mounting portion 21, when the second mounting portion 21 is embedded in the first mounting portion 11, the first buckling piece 110 and the second buckling piece 210 are buckled with each other, the first buckling piece 110 and the second buckling piece 210 are of an annular structure protruding outwards, and when the liquid storage bin 10 and the sampling tag 20 are connected with each other, the first buckling piece 110 is clamped into the second buckling piece 210, so that the installation and fixation of the liquid storage bin 10 and the sampling tag 20 are realized, and the axial freedom of the mutual movement between the liquid storage bin 10 and the sampling tag 20 can be limited, so that the sampling tag 20 is prevented from being separated from the liquid storage bin 10.
Example IV
A fourth embodiment of the present application provides an anal swab sampling device, which has a substantially similar structure as the anal swab sampling device of the third embodiment, and is different from the anal swab sampling device of the third embodiment in that:
in this embodiment, the liquid storage bin 10 and the sampling stick 20 are flexibly connected, i.e. the sampling stick 20 can perform radial swing to a certain extent relative to the liquid storage bin 10.
Specifically, the first mounting portion 11 on the liquid storage bin 10 is spherically arranged, and the second mounting portion 21 on the sampling stick 20 is spherically arranged, so that a joint structure between the first mounting portion 11 and the second mounting portion is formed, and the sampling stick 20 can swing to a certain extent by taking the first mounting portion 11 as a circle center.
In the actual sampling process, the sampling tag 20 can swing slightly, which is beneficial to eliminating the shearing stress applied to the sampling tag 20, so that the sampling tag 20 can be effectively prevented from being broken in the body, and the risk of breaking the sampling tag 20 is avoided.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the application, and are described in detail, but are not to be construed as limiting the scope of the application. It should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (9)
1. An anal swab sampling device, the device comprising:
the sampler assembly is provided with a liquid storage bin and a sampling sign extending along the axial direction of the liquid storage bin, a culture solution is arranged in the liquid storage bin, and a sealing film for sealing the liquid storage bin is arranged at the end part, close to the sampling sign, of the liquid storage bin;
the end cover is sleeved at the end part of the sampler assembly to shield the sampling tag, the end cover is connected with the liquid storage bin through a preset locking mechanism, a knife edge piece facing the sealing film is arranged at the inner side of the end cover, the knife edge piece comprises a first connecting part and a second abutting part, the first connecting part is connected to the side wall of the end cover, the second abutting part is connected to one end, far away from the side wall of the end cover, of the first connecting part, and the second abutting part is arranged facing one side of the sealing film;
the second abutting part is opposite to an arc overflow hole which is preset on one side of the sampling sign facing the liquid storage bin, so that the second abutting part penetrates into the overflow hole to abut against the sealing film;
when the end cover and the liquid storage bin are in a first connection state, a space is formed between the knife edge piece and the sealing film, and the knife edge piece and the sealing film are in a separation state; when the end cover and the liquid storage bin are in transition to a second connection state, the knife edge piece rotates to abut against the sealing film to damage the sealing film, so that the sealing state of the liquid storage bin is released, and the sampling stick after the sampling is soaked when the culture liquid overflows.
2. The anal swab sampling device according to claim 1, wherein the end cap is pre-fixed to the reservoir when the end cap is in a first connection state with the reservoir, and wherein the end cap is fully fixed to the reservoir when the end cap is in a second connection state with the reservoir.
3. The anal swab sampling device according to claim 2, wherein the locking mechanism comprises a locking assembly and a limiting ring, the locking assembly comprises a first locking part and a second locking part, one of the first locking part and the second locking part is arranged on the liquid storage bin, and the other is arranged on the end cover;
when the limiting ring is clamped between the liquid storage bin and the end cover, the limiting ring at least partially limits the axial freedom degree of mutual approaching of the liquid storage bin and the end cover, so that the liquid storage bin and the end cover can only realize a pre-fixed first connection state through the first locking part and the second locking part;
when the limiting ring is separated from and is not clamped between the liquid storage bin and the end cover, the end cover and the liquid storage bin can realize a second connection state of full fixation through the first locking part and the second locking part.
4. The anal swab sampling device according to claim 3, wherein the first locking portion is provided on a side of the reservoir facing the end cap, and the second locking portion is provided on a side of the end cap facing the reservoir.
5. The anal swab sampling device according to claim 4, wherein the first locking portion is an external thread provided at the end of the reservoir, the second locking portion is an internal thread provided at the end of the end cap, and the external thread and the internal thread are mutually adapted;
when the limiting ring is sleeved between the liquid storage bin and the end cover, the external thread is not completely meshed with the internal thread.
6. The anal swab sampling device according to claim 5, wherein a sealing ring is arranged on the inner side of the end cover, and the limiting ring is positioned on one side of the sealing ring facing the opening of the end cover when the end cover and the liquid storage bin are in a first connection state;
when the liquid storage bin and the end cover are connected with the second locking part through the first locking part, the limiting ring is sleeved on one side of the first locking part, which faces the second locking part, so that the axial freedom degree of the mutual motion of the liquid storage bin and the end cover is at least partially limited.
7. The anal swab sampling device according to claim 1, wherein a first mounting part is arranged on one side of the liquid storage bin close to the sampling swab, a second mounting part with a hollow structure is arranged on one side of the sampling swab facing the liquid storage bin, and the second mounting part is nested in the first mounting part and connected through the buckling component;
the buckling assembly comprises a first buckling piece arranged on the outer side of the first installation part and a second buckling piece arranged on the inner side of the second installation part, and when the second installation part is nested on the first installation part, the first buckling piece and the second buckling piece are staggered to realize buckling;
and the second mounting part is provided with an arc-shaped overflow hole in a penetrating manner, and when the liquid storage bin and the end cover are transited to the second connection state, the second abutting part of the knife edge piece is screwed into the arc-shaped overflow hole to abut against the sealing film.
8. The anal swab sampling device according to claim 7, wherein the arc overflow holes comprise a plurality of arc overflow holes, the arc overflow holes are arranged at intervals on the second mounting portion, and the number of the second abutting portions is equal to the number of the arc overflow holes.
9. The anal swab sampling device according to any one of claims 1-8, wherein absorbent cotton is provided at an end of the sampling swab remote from the reservoir, the length of the sampling swab is smaller than the length of the end cap, and the sampling swab is not in contact with the end cap when the reservoir and the end cap are in the second connection state.
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| CN202311236567.4A CN116983019B (en) | 2023-09-25 | 2023-09-25 | Anus swab sampling device |
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| CN202311236567.4A CN116983019B (en) | 2023-09-25 | 2023-09-25 | Anus swab sampling device |
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| CN218143214U (en) * | 2022-06-09 | 2022-12-27 | 中山市联昌喷雾泵有限公司 | Prevent emulsion pollution's pressing pump |
| CN219289521U (en) * | 2022-10-24 | 2023-07-04 | 浙江大学 | Novel anus swab collection device |
| WO2023138148A1 (en) * | 2022-01-19 | 2023-07-27 | 江苏为真生物医药技术股份有限公司 | Sealing device for rapid detection, use method thereof, and application thereof |
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| JPH07167857A (en) * | 1991-11-08 | 1995-07-04 | Kaoru Shimizu | Stick for collecting urine |
| DE102012024355A1 (en) * | 2012-12-13 | 2014-06-18 | Testo Ag | Sample treatment apparatus has swab which is movably arranged from outer side of liquid chamber to closure stopper during use position |
| CN204971363U (en) * | 2015-09-08 | 2016-01-20 | 北京大学深圳医院 | Oral cavity sample collection ware |
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| CN116983019B (en) | 2024-02-06 |
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