A telescopic disposable fecal routine sampling tube
By combining a telescopic sampling tube with a sealing cap, the problems of non-adjustable sampling length and poor sealing in existing technologies are solved, achieving efficient and safe fecal sample collection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TEDA INT CARDIOVASCULAR HOSPITAL
- Filing Date
- 2025-05-06
- Publication Date
- 2026-06-02
Smart Images

Figure CN224317328U_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of medical device technology, and in particular to a telescopic disposable fecal sampling tube. Background Technology
[0002] Routine stool testing is a commonly used clinical diagnostic method, but existing sampling devices have the following shortcomings:
[0003] 1. Traditional sampling spoons have a fixed length, making them difficult to reach when patients use a commode and the feces sink into the water.
[0004] 2. Cotton ball sticks or rigid sticks with non-adjustable sampling length cannot meet the needs of sample collection at different depths;
[0005] 3. The containers used for storage are mostly unsealed plastic boxes or glass bottles, which have poor sealing properties and pose a risk of sample contamination and odor leakage, which may even lead to the spread of diseases, causing great difficulty for medical staff. Utility Model Content
[0006] The present invention aims to overcome the shortcomings of the prior art by providing a telescopic disposable fecal sampling tube with adjustable sampling tube length, suitable for collecting fecal samples inside a toilet, and with good sample container sealing.
[0007] To achieve the above objectives, this utility model provides a telescopic disposable fecal sampling tube, comprising a container body, a sampling tube, and a sealing cap. The sampling tube has a telescopic structure, which includes a first sleeve, a second sleeve, and a third sampling rod that are slidably inserted in sequence, forming a telescopic sampling tube structure for adjusting length. The top end of the first sleeve is fixedly connected to the sealing cap, and the front end of the third sampling rod is provided with a sampling head. The sealing cap is screwed to the top opening of the container body.
[0008] Furthermore, the first sleeve of the telescopic structure is provided with 1-2 spiral grooves along its longitudinal outer circumferential surface, and the second sleeve is fixedly connected with a round pin along its longitudinal outer circumferential surface. The round pin drives the second sleeve to move up and down along the spiral grooves, and the third sampling rod is slidably inserted into the second sleeve.
[0009] Furthermore, the first sleeve of the telescopic structure is provided with an internal thread, the second sleeve is provided with an external thread, the second sleeve is screwed to the first sleeve, the second sleeve moves up and down along the first sleeve, and the third sampling rod is slidably inserted into the second sleeve.
[0010] Furthermore, the sampling head is spiral, spoon-shaped, or hook-shaped.
[0011] Furthermore, the sampling head has grooves on its surface.
[0012] Furthermore, the container body is made of medical-grade plastic.
[0013] Beneficial effects: Compared with the prior art, the sampling tube of this utility model achieves automatic extension and retraction of the sampling head through a telescopic mechanism, eliminating the manual alignment step, thereby reducing the probability of misoperation and thus reducing the probability of contact with fecal samples; it is especially suitable for collecting fecal samples inside toilets; the sealing cap avoids sample contamination during transmission and avoids environmental pollution; the groove design of the sampling head increases the number of samples obtained per unit area and improves work efficiency. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the sampling head telescopic structure in Example 2;
[0016] Figure 3 This is a schematic diagram of the sampling head telescopic structure in Example 3.
[0017] In the diagram: 1. Container body, 2. Sampling tube, 2-1. First sleeve, 2-2. Second sleeve, 2-3. Third sampling rod, 3. Sealing cap, 4. Sampling head, 5. Groove, 6. Round pin, 7. Spiral groove. Detailed Implementation
[0018] The specific embodiments provided by this utility model are described in detail below with reference to preferred embodiments: Example
[0019] As shown in the attached drawings, this embodiment provides a telescopic disposable fecal sampling tube, including a container body 1, a sampling tube 2, and a sealing cap 3. The sampling tube has a telescopic structure, which includes a first sleeve 2-1, a second sleeve 2-2, and a third sampling rod 2-3 that are slidably inserted in sequence, forming a telescopic sampling tube structure with adjustable length. The top end of the first sleeve is fixedly connected to the sealing cap, and the front end of the third sampling rod is provided with a sampling head 4. The sealing cap is screwed to the top opening of the container body. The sampling head has a spiral, spoon, or hook shape. The surface of the sampling head has a groove 5. The container body is made of medical-grade plastic. The fully extended length can reach 3 times the retracted length; the sampling tube body is made of medical-grade polypropylene material, and the total extended length of the three-stage telescopic assembly is ≥15cm. The inner wall of the sealing cap has internal threads and a silicone sealing ring, which mates with the threads of the container body to form an airtight connection. The silicone sealing ring ensures biosafety. Example
[0020] The first sleeve of the telescopic structure is symmetrically provided with spiral grooves 7 along its longitudinal outer circumferential surface, and the second sleeve is fixedly connected with a round pin 6 along its longitudinal outer circumferential surface. The round pin drives the second sleeve to move up and down along the spiral groove, and the third sampling rod is slidably inserted into the second sleeve. Example
[0021] The first sleeve of the telescopic structure has an internal thread, the second sleeve has an external thread, the second sleeve is screwed to the first sleeve, the second sleeve moves up and down along the first sleeve, and the third sampling rod is slidably inserted into the second sleeve.
[0022] Work process
[0023] 1. When stool sampling is required, open the disposable stool sampling tube;
[0024] 2. Unscrew the sealing cap and remove the sampling tube at the same time. Then pull out the first sleeve, the second sleeve, and the third sampling rod in sequence.
[0025] Alternatively, the scheme of Example 2 can be adopted, in which the rotating sealing cap drives the first sleeve to rotate, the second sleeve extends out, and the third sampling rod is pulled out;
[0026] Alternatively, the scheme of Example 3 can be adopted, in which the rotating sealing cover drives the first sleeve to rotate, the second sleeve extends along the internal thread, and the third sampling rod is pulled out;
[0027] 3. After collecting the sample, retract the assembly to store the sample in the tube, and tighten the tube cap to complete the seal.
[0028] The above detailed description of a telescopic disposable fecal sampling tube with reference to the embodiments is illustrative rather than limiting. Several embodiments can be listed according to the defined scope. Therefore, changes and modifications without departing from the overall concept of this utility model should be within the protection scope of this utility model.
Claims
1. A telescopic disposable fecal sampling tube, characterized in that: The device includes a container body, a sampling tube, and a sealing cap. The sampling tube has a telescopic structure, which includes a first sleeve, a second sleeve, and a third sampling rod that are slidably inserted in sequence to form a telescopic sampling tube structure with adjustable length. The top end of the first sleeve is fixedly connected to the sealing cap, and the front end of the third sampling rod is provided with a sampling head. The sealing cap is screwed to the top opening of the container body.
2. The telescopic disposable fecal sampling tube according to claim 1, characterized in that: The first sleeve of the telescopic structure has 1-2 spiral grooves along its longitudinal outer circumferential surface. The second sleeve is fixedly connected to a round pin along its longitudinal outer circumferential surface. The round pin drives the second sleeve to move up and down along the spiral grooves. The third sampling rod is slidably inserted into the second sleeve.
3. The telescopic disposable fecal sampling tube according to claim 1, characterized in that: The first sleeve of the telescopic structure has an internal thread, the second sleeve has an external thread, the second sleeve is screwed to the first sleeve, the second sleeve moves up and down along the first sleeve, and the third sampling rod is slidably inserted into the second sleeve.
4. The telescopic disposable fecal sampling tube according to claim 1, characterized in that: The sampling head is spiral, spoon-shaped, or hook-shaped.
5. The telescopic disposable fecal sampling tube according to claim 1 or 4, characterized in that: The sampling head has grooves on its surface.
6. The telescopic disposable fecal sampling tube according to claim 1, characterized in that: The container body is made of medical-grade plastic.