Disposable injection type sterile sampling swab
By designing a disposable injection sterile sampling swab and using a propeller to introduce normal saline into sterilized cotton, the problems of dehydration and contamination during the delivery of traditional sampling swab samples are solved, and efficient preservation and reliable detection of samples are achieved.
Patent Information
- Application Number
- CN202421626110.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The cotton swabs of traditional sampling swabs are easily dehydrated after collection, reducing the positive rate of tests, and the sterile cotton swabs and saline test tubes are prone to spilling and contamination problems.
A disposable injection sterile sampling swab is designed, including a casing, storage compartment, liquid delivery channel and sterilized cotton. The normal saline in the storage compartment is introduced into the sterilized cotton through a propeller to maintain its moist state, and sample processing is facilitated through a separable connection structure.
It effectively prevents the sample from dying due to dehydration, extends the survival time of the sample, improves the data reliability of subsequent tests and tests, and avoids contamination and spilling during sample transportation through the sealing structure.
Smart Images
Figure CN222899167U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical devices, and relates to a sampling swab, in particular to a disposable injection-type sterile sampling swab. Background Art
[0002] A swab is usually used as a tool for medical examinations to collect microorganisms, exfoliated cells or secretions. The collection end of a traditional sampling swab is a cotton swab, and the corresponding sample is collected by wiping. Since the cotton swab is dry, after the collection is completed, the moisture in the sample will be reduced. At the same time, too long transportation time will also cause the moisture to evaporate, and it is easy to cause the cells, bacteria, etc. in the sample to die due to dehydration. When the laboratory detects or cultures the sample on the subsequent swab, the positive rate will be greatly reduced, resulting in the test results being unable to guide clinical treatment.
[0003] In addition, the routine leucorrhea examination in obstetrics and gynecology is also the most common and economical examination item. The doctor collects the vaginal secretion sample for examination in the laboratory. At present, after sampling with a disposable sterile cotton swab, it is usually inserted into a test tube pre-filled with physiological saline for submission. Sometimes, it is impossible to ensure that the physiological saline is still within the validity period and sterile. Since the test tube cannot be sealed during the whole transportation process, situations such as spillage and contamination often occur. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the above problems existing in the prior art, and propose a disposable injection-type sterile sampling swab that can avoid dehydration of cells after collection, thereby improving the reliability of data during subsequent chemical analysis and detection.
[0005] The purpose of the utility model can be achieved by the following technical solutions: A disposable injection-type sterile sampling swab, comprising:
[0006] A sleeve, and a storage chamber for storing liquid is provided at one end of the sleeve, and a sterilized cotton is connected to the other end of the sleeve. Among them, the storage chamber is communicated with the sterilized cotton through a liquid delivery channel;
[0007] A pusher, nested on the sleeve, pressing the pusher can make the liquid in the storage chamber flow along the liquid delivery channel to the sterilized cotton, so that the sterilized cotton remains in a moist state.
[0008] In the above-mentioned disposable injection-type sterile sampling swab, the end of the sterilized cotton is detachably connected to the sleeve.
[0009] In the above-mentioned disposable injection-type sterile sampling swab, the pusher includes a push rod and a rubber plug connected to one end of the push rod, and a first convex rib is provided on the outer side wall of the rubber plug. Among them, pulling the pusher makes a negative pressure formed in the storage chamber.
[0010] In the above-mentioned disposable injection-type sterile sampling swab, it further includes a sheath, and the sheath is detachably connected to the sleeve. Among them, the sterilized cotton is stored in the sheath.
[0011] In the above-mentioned disposable injection-type sterile sampling swab, the sheath is nested on the outer wall of the sleeve, or is inserted and matched with one end of the sleeve connected to the sterilized cotton.
[0012] In the above-mentioned disposable injection-type sterile sampling swab, when the sheath is nested on the outer wall of the sleeve, second convex ribs can be provided on the outer wall of the sleeve. Among them, the friction between the sheath and the sleeve is increased through the second convex ribs.
[0013] In the above-mentioned disposable injection-type sterile sampling swab, when the sheath is inserted and matched with one end of the sleeve connected to the sterilized cotton, an annular cavity can be provided at one end of the sleeve connected to the sterilized cotton. Among them, the sheath is nested on the outer cavity wall of the annular cavity, or the inner cavity wall of the annular cavity is nested on the sheath.
[0014] In the above-mentioned disposable injection-type sterile sampling swab, the outer side wall of the sleeve is arranged in a stepped shape, including a first shaft section and a second shaft section, and the storage chamber is located in the first shaft section. The sheath is connected to the second shaft section. Among them, the diameter of the first shaft section is larger than that of the second shaft section.
[0015] In the above-mentioned disposable injection-type sterile sampling swab, third convex ribs are provided on the outer surface of the first shaft section, and the length direction of the third convex ribs is consistent with the moving direction of the pusher.
[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0017] (1). For the disposable injection-type sterile sampling swab provided by the present utility model, after the sample is collected by the sterilized cotton, the pusher is pressed, and the physiological saline in the storage chamber is transferred along the liquid delivery channel to the sterilized cotton, increasing the humidity of the sterilized cotton and making the sterilized cotton in a moist state. Thereby, it prevents the sample on the sterilized cotton from dying due to dehydration, prolongs the survival time of the sample, and ensures reliable and effective data in the subsequent chemical analysis and detection processes.
[0018] (2). By forming a separable structure between the end of the sterilized cotton and the sleeve, on the one hand, it is convenient to inject the physiological saline into the storage chamber. On the other hand, when the sample on the sterilized cotton needs to be subjected to chemical analysis and detection, medical staff can directly detach the sterilized cotton from the sleeve, and the operation is convenient and reliable.
[0019] (3). By providing a rubber plug at one end of the push rod, the sealing of the storage chamber can be further ensured, forming a reliable and stable "negative pressure chamber" in the storage chamber, and avoiding the leakage of physiological saline.
[0020] (4) By providing a sheath, the sterilized cotton can be stored in the sheath when it is in an unused state, preventing the sterilized cotton from being contaminated before use. Additionally, after the sterilized cotton has collected a sample, the sheath is put back on, and the pusher is pressed, causing the physiological saline in the storage chamber to flow along the liquid delivery channel and into the sheath through the sterilized cotton, ensuring that the end of the sterilized cotton where the sample is collected is always in a "water environment", keeping the sterilized cotton moist, thereby preventing the sample on the sterilized cotton from dying due to dehydration and extending the survival time of the sample, ensuring reliable and effective data in subsequent tests and detections.
[0021] (5) The diameter of the second shaft section is slightly smaller than that of the first shaft section. When the sheath is nested on the second shaft section, the outer surface of the entire sampling swab is ensured to be flat, thereby improving the appearance of the entire sampling swab.
[0022] (6) By providing the third rib, during transportation of the sampling swab, it is prevented that the physiological saline stored in the storage chamber automatically flows towards the sterilized cotton due to collision and extrusion between adjacent sampling swabs, ultimately resulting in the scrapping of the sampling swab, thereby improving the reliability of the sampling swab. Description of the Drawings
[0023] Figure 1 is a schematic structural view of a disposable injection - type sterile sampling swab of the present utility model.
[0024] Figure 2 is a cross - sectional view of a disposable injection - type sterile sampling swab of the present utility model.
[0025] Figure 3 is Figure 2 an enlarged schematic structural view of part A in
[0026] In the figure, 10, sleeve; 11, storage chamber; 12, liquid delivery channel; 13, second rib; 14, annular cavity; 15, first shaft section; 16, second shaft section; 17, third rib; 20, sterilized cotton; 30, pusher; 31, push rod; 32, rubber plug; 321, first rib; 40, sheath. Detailed Embodiment
[0027] The following are specific embodiments of the present utility model in combination with the drawings. The technical solutions of the present utility model are further described, but the present utility model is not limited to these embodiments.
[0028] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.
[0029] As Figures 1 to 3 shown, a disposable injection - type sterile sampling swab provided by the present utility model includes:
[0030] A sleeve 10, and a storage chamber 11 for storing liquid is provided at one end of the sleeve 10. The other end of the sleeve 10 is connected with a sterilized cotton 20. Among them, the storage chamber 11 is communicated with the sterilized cotton 20 through a liquid delivery channel 12;
[0031] A pusher 30, nested on the sleeve 10. Pressing the pusher 30 can make the liquid in the storage chamber 11 flow along the liquid delivery channel 12 to the sterilized cotton 20, so that the sterilized cotton 20 remains in a moist state.
[0032] It is worth mentioning that the liquid is physiological saline. After the sterilized cotton 20 collects the sample, by pressing the pusher 30, the physiological saline in the storage chamber 11 is transferred along the liquid delivery channel 12 to the sterilized cotton 20, increasing the humidity of the sterilized cotton 20, so that the sterilized cotton 20 is in a moist state, thereby preventing the sample on the sterilized cotton 20 from dying due to dehydration, thus extending the survival time of the sample and ensuring reliable and effective data in the subsequent chemical analysis and detection processes.
[0033] For the disposable injection - type sterile sampling swab provided by the present utility model, after the sterilized cotton 20 collects the sample, by pressing the pusher 30, the physiological saline in the storage chamber 11 is transferred along the liquid delivery channel 12 to the sterilized cotton 20, increasing the humidity of the sterilized cotton 20, so that the sterilized cotton 20 is in a moist state, thereby preventing the sample on the sterilized cotton 20 from dying due to dehydration, thus extending the survival time of the sample and ensuring reliable and effective data in the subsequent chemical analysis and detection processes.
[0034] Furthermore, the end of the sterilized cotton 20 is detachably connected to the sleeve 10. Preferably, the connection between the two is a plug - and - socket connection.
[0035] In the initial state, the sterilized cotton 20 is not connected to the sleeve 10. At this time, by pulling the pusher 30, the physiological saline can be drawn into the storage chamber 11 from the end for connecting the sterilized cotton 20, similar to the way a syringe draws liquid from an ampoule, so that a "negative pressure" is formed in the storage chamber 11. At this time, even if the sleeve 10 is placed vertically, the physiological saline in the storage chamber 11 will not automatically flow out from the end for connecting the sterilized cotton 20. Then, one end of the sterilized cotton 20 is inserted into the sleeve 10 to form a plug - in fit, so that the entire storage chamber 11 forms a "closed cavity", extending the service life of the physiological saline and preventing the physiological saline from being contaminated.
[0036] In this embodiment, a separable structure is formed between the end of the sterilized cotton 20 and the sleeve 10. On the one hand, it is convenient to inject physiological saline into the storage chamber 11. On the other hand, when the sample on the sterilized cotton 20 needs to be tested, medical staff can directly disassemble the sterilized cotton 20 from the sleeve 10, which is convenient and reliable to operate.
[0037] Preferably, the pusher 30 includes a push rod 31 and a rubber plug 32 connected to one end of the push rod 31. Wherein, a first rib 321 is provided on the outer side wall of the rubber plug 32.
[0038] In this embodiment, by pressing the other end of the push rod 31, the entire pusher 30 moves along the axis direction of the storage chamber 11, so that the physiological saline in the storage chamber 11 flows along the liquid delivery channel 12 to the sterilized cotton 20, making the sterilized cotton 20 keep in a moist state. Wherein, by providing a rubber plug 32 at one end of the push rod 31, the sealing of the storage chamber 11 can be further ensured, so that a reliable and stable "negative pressure chamber" is formed in the storage chamber 11 to avoid the leakage of physiological saline.
[0039] Preferably, it further includes a housing 40, and the housing 40 is detachably connected to the sleeve 10. Preferably, the sleeve 10 and the housing 40 are nested and matched, and the sterilized cotton 20 can be received in the housing 40.
[0040] In this embodiment, by providing the housing 40, the sterilized cotton 20 in the unused state can be received in the housing 40 to avoid being contaminated before use. In addition, after the sterilized cotton 20 collects a sample, the housing 40 is put on again, and the pusher 30 is pressed, so that the physiological saline in the storage chamber 11 enters the housing 40 along the liquid delivery channel 12 and the sterilized cotton 20, making the end of the sterilized cotton 20 collecting the sample always in a "water environment", ensuring that the sterilized cotton 20 is in a moist state, thereby preventing the sample on the sterilized cotton 20 from dying due to dehydration, so as to extend the survival time of the sample and ensure reliable and effective data in the subsequent testing process.
[0041] Further preferably, the housing 40 is nested on the outer wall of the sleeve 10 or is inserted and matched with the end of the sleeve 10 connected to the sterilized cotton 20.
[0042] It is worth mentioning that when the housing 40 is nested on the outer wall of the sleeve 10, a second rib 13 can be provided on the outer wall of the sleeve 10. Wherein, the friction between the housing 40 and the sleeve 10 is increased through the second rib 13 to avoid the automatic detachment of the housing 40.
[0043] When the sheath 40 is inserted and mated with one end of the sterilized cotton 20 connected to the sleeve 10, an annular cavity 14 can be provided at one end of the sleeve 10 where the sterilized cotton 20 is connected. Among them, the sheath 40 is nested on the outer cavity wall of the annular cavity 14, or the inner cavity wall of the annular cavity 14 is nested on the sheath 40.
[0044] Preferably, the outer side wall of the sleeve 10 is arranged in a stepped shape, including a first shaft section 15 and a second shaft section 16, and the storage bin 11 is located within the first shaft section 15, and the sheath 40 is connected to the second shaft section 16. Among them, the diameter of the first shaft section 15 is larger than the diameter of the second shaft section 16.
[0045] In this embodiment, the diameter of the second shaft section 16 is slightly smaller than the diameter of the first shaft section 15, so that when the sheath 40 is nested on the second shaft section 16, the outer surface of the entire sampling swab is ensured to be flat, thereby improving the appearance of the entire sampling swab.
[0046] Further preferably, a third rib 17 is provided on the outer surface of the first shaft section 15, and the length direction of the third rib 17 is consistent with the moving direction of the pusher 30.
[0047] In this embodiment, by providing the third rib 17, during the transportation of the sampling swab, it is avoided that the physiological saline stored in the storage bin 11 automatically flows to the sterilized cotton 20 due to the collision and extrusion between two adjacent sampling swabs, and finally the sampling swab is scrapped, thereby improving the reliability of the sampling swab.
[0048] In addition, the material of the sleeve 10 can be selected as a transparent material, which is convenient for medical staff to know whether there is physiological saline in the sampling swab.
[0049] It should be noted that in the present utility model, descriptions such as "first", "second", "one", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. Terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0050] In addition, the technical solutions between the various embodiments of the present utility model can be combined with each other, but it must be based on what can be achieved by those of ordinary skill in the art. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.
[0051] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the art to which the present utility model pertains can make various modifications or supplements to the described specific embodiments or use similar ways of substitution, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.
Claims
1. A disposable injection-type sterile sampling swab, characterized in that: include: A sleeve, wherein a storage bin for storing liquid is provided at one end of the sleeve, and a sterilizing cotton is connected to the other end of the sleeve, wherein the storage bin and the sterilizing cotton are connected through a liquid delivery channel; The pusher is nested on the sleeve. Pressing the pusher can make the liquid in the storage bin flow along the liquid delivery channel to the sterilization cotton, so that the sterilization cotton remains moist.
2. A disposable injectable sterile sampling swab according to claim 1, characterized in that: The end of the sterilization cotton is connected to the sleeve in a detachable manner.
3. A disposable injectable sterile sampling swab according to claim 1, characterized in that: The pusher includes a push rod and a rubber plug connected to one end of the push rod, and a first convex rib is arranged on the outer side wall of the rubber plug, wherein negative pressure is formed in the storage bin by pulling the pusher.
4. A disposable injectable sterile sampling swab according to any one of claims 1 to 3, characterized in that: The device also comprises a shell, and the shell is detachably connected to the sleeve, wherein the sterilization cotton is stored in the shell.
5. A disposable injectable sterile sampling swab according to claim 4, characterized in that: The sleeve shell is nested on the outer wall of the sleeve, or plugged and matched with the end of the sleeve connected with the sterilization cotton.
6. A disposable injectable sterile sampling swab according to claim 5, characterized in that: When the sleeve is nested on the outer wall of the sleeve, a second convex rib may be provided on the outer wall of the sleeve, wherein the friction between the sleeve and the sleeve is increased by the second convex rib.
7. A disposable injectable sterile sampling swab according to claim 5, characterized in that: When the shell is plugged into the end of the sleeve connected to the sterilized cotton, an annular cavity can be set on the end of the sleeve connected to the sterilized cotton, wherein the shell is nested on the outer cavity wall of the annular cavity, or the inner cavity wall of the annular cavity is nested on the shell.
8. A disposable injectable sterile sampling swab according to claim 5, characterized in that: The outer wall of the sleeve is arranged in a stepped shape, including a first shaft section and a second shaft section, and the storage bin is located in the first shaft section, and the sleeve shell is connected to the second shaft section, wherein the diameter of the first shaft section is greater than the diameter of the second shaft section.
9. A disposable injectable sterile sampling swab according to claim 8, characterized in that: A third convex rib is arranged on the outer surface of the first shaft segment, and the length direction of the third convex rib is consistent with the moving direction of the propeller.