Fecal sample sampling treatment device
By designing a fecal sample collection and processing device and adopting sampling and dilution operations in a closed environment, the problem of contamination during the fecal sample collection and dilution process was solved, and the operational efficiency and hygiene were improved.
Patent Information
- Application Number
- CN202520415083.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-11
AI Technical Summary
In existing technologies, the process of collecting and diluting fecal samples is prone to contamination, which affects operational efficiency and hygiene.
A fecal sample collection and processing device was designed, comprising a sampling mechanism and a dilution mechanism. By performing sampling and dilution operations in a closed environment, direct contact with the sampling rod is avoided. The design of spring reset and sealing diaphragm enables contactless sampling and dilution.
This reduces the risk of sample contamination and improves the efficiency and hygiene of sample processing.
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Figure CN223883206U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to medical inspection technical field, concretely relates to a kind of fecal sample sampling processing device. BACKGROUND
[0002] Feces routine inspection is one of three big routines (blood routine, urine routine, stool routine) medical inspection test items.Stool routine inspection is important basis for diagnosing intestinal parasitic disease and medical protozoan disease, is important way for diarrhea diagnosis, differential diagnosis, etiological examination and pathogen examination, and is indispensable method for digestive tract tumor screening.At the same time, stool routine inspection is important to the research of stool metagenome, disease prevention and treatment research and new drug development.The primary work of stool routine inspection is fecal sample collection.
[0003] Currently, hospital collects fecal sample by patient using disposable hard open plastic cup, and dilution is needed after fecal sample is collected, then the diluted fecal sample is sent for inspection, and fecal sample is easily contaminated during sampling and dilution, so as to affect the efficiency of sampling and processing. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of fecal sample sampling processing device to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of fecal sample sampling processing device, including cylinder, sampling mechanism and dilution mechanism, the sampling mechanism includes fixedly connected in the fixed plate of cylinder, the center of fixed plate is slidably penetrated with sampling rod, the lower end of sampling rod is fixedly connected with burr, spring is sleeved with the upper of sampling rod located in fixed plate, the lower end of cylinder is screw threadedly connected with first screw cap, the center of first screw cap is provided with sample tube, the bottom of first screw cap is screw threadedly connected with sealing cap;
[0006] The dilution mechanism includes liquid storage cylinder slidably installed on the upper end of cylinder, the upper end of liquid storage cylinder is fixedly connected with sampling rod, the inside of liquid storage cylinder is fixedly connected with sealing diaphragm, the top of liquid storage cylinder is screw threadedly connected with second screw cap, the inner wall of second screw cap is fixedly connected with needle rod, the bottom of liquid storage cylinder is provided with liquid outlet channel that is penetrated to sampling rod, the both sides of the lower end of liquid outlet channel are provided with liquid outlet hole.
[0007] As a preferred implementation, the surface of the sampling rod is fixedly connected with a limiting plate, and the limiting plate abuts against the bottom of the fixed plate.
[0008] As a preferred implementation, a sliding groove is formed on the inner side wall of the cylinder, a sliding block is fixedly connected to the outer wall of the liquid storage cylinder, and the sliding block slides in the sliding groove.
[0009] As a preferred implementation, the lower end of the second screw cap abuts against a limiting snap ring, and the limiting snap ring is sleeved on the upper end of the liquid storage cylinder.
[0010] As a preferred implementation, an operation mark is pasted on the outer wall of the cylinder body.
[0011] As a preferred implementation, anti-skid lines are arranged on the outer circumferences of the first screw cap, the sealing cap and the second screw cap.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The excrement sample sampling and processing device, through the setting of the sampling mechanism and the dilution mechanism, when sampling, the first screw cap can be first rotated to be opened, then the cylinder body is held, the liquid storage cylinder is pressed to slide into the cylinder body, the liquid storage cylinder drives the sampling rod to stretch out from the lower end of the cylinder body, at this time, the spring is compressed, after the sampling rod stretches out, the burr at the lower end of the sampling rod can be inserted into the excrement to sample, after sampling, the liquid storage cylinder only needs to be slowly released, the spring is used to drive the liquid storage cylinder to reset, the sampling rod can be stably contracted into the cylinder body, then the first screw cap is covered on the lower end of the cylinder body to be sealed, at this time, the sampling operation is completed, the whole process does not contact the sampling rod, the contamination risk can be reduced, when diluting, the limiting snap ring is broken, then the second screw cap is rotated to drive the needle rod to pierce the sealing diaphragm, after the sealing diaphragm is pierced, the dilution liquid in the liquid storage cylinder will flow into the sampling rod along the liquid outlet channel, enter the cylinder body from the liquid outlet hole, and mix and dilute with the excrement sample in the cylinder body, finally, the sealing cap is unscrewed, the sample is discharged from the sample outlet pipe to be inspected, the whole process is carried out in a closed environment, the contamination risk can be further reduced, the operation is more sanitary, and the sampling and processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a whole structure schematic view of the utility model;
[0015] Fig. 2 It is a cross section structure schematic view of the utility model;
[0016] Fig. 3 It is a structure schematic view of the sampling mechanism of the utility model.
[0017] In the drawing: 1, cylinder body; 11, first screw cap; 12, sample outlet pipe; 13, sealing cap; 14, sliding groove; 15, operation mark; 2, sampling mechanism; 21, fixed plate; 22, sampling rod; 23, burr; 24, spring; 25, limiting plate; 3, dilution mechanism; 31, liquid storage cylinder; 32, sealing diaphragm; 33, second screw cap; 34, needle rod; 35, liquid outlet channel; 36, liquid outlet hole; 37, sliding block; 38, limiting snap ring. DETAILED DESCRIPTION
[0018] The utility model will be further described below in combination with examples.
[0019] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept premise of the utility model all belong to the range required to be protected by the utility model.
[0020] Please refer to Figs. 1-3The utility model provides a kind of excrement sample sampling processing device, including cylinder 1, sampling mechanism 2 and dilution mechanism 3, sampling mechanism 2 includes fixedly connected in the fixed plate 21 of cylinder 1, the center of fixed plate 21 is slidably penetrated with sampling rod 22, the lower end of sampling rod 22 is fixedly connected with burr 23, spring 24 is sleeved with sampling rod 22 in the upper of fixed plate 21, the lower end of cylinder 1 is threadedly connected with first screw cap 11, the center of first screw cap 11 is provided with sample tube 12, the bottom of first screw cap 11 is threadedly connected with sealing cap 13, dilution mechanism 3 includes the liquid storage cylinder 31 of sliding installation in the upper end of cylinder 1, dilution liquid is stored in liquid storage cylinder 31, liquid storage cylinder 31 is fixedly connected with the upper end of sampling rod 22, sealing diaphragm 32 is fixedly connected in the inside of liquid storage cylinder 31, the top of liquid storage cylinder 31 is threadedly connected with second screw cap 33, needle rod 34 is fixedly connected in the inner wall of second screw cap 33, the lower end of second screw cap 33 is abutted with limit snap ring 38, limit snap ring 38 is sleeved in the upper end of liquid storage cylinder 31, limit snap ring 38 is used for limiting second screw cap 33, the bottom of liquid storage cylinder 31 is provided with liquid outlet passage 35 that is penetrated to sampling rod 22, liquid outlet hole 36 is provided with in the both sides of the lower end of liquid outlet passage 35, by the setting of sampling mechanism 2 and dilution mechanism 3, when sampling, first screw cap 11 can be rotated and opened first, then, hand cylinder 1, press liquid storage cylinder 31 to slide into cylinder 1, make liquid storage cylinder 31 drive sampling rod 22 to stretch out from the lower end of cylinder 1, at this time, spring 24 will be compressed, after sampling rod 22 stretches out, burr 23 in the lower end of sampling rod 22 can be inserted into excrement and sampled, after sampling, only need to slowly release liquid storage cylinder 31, utilize spring 24 to push liquid storage cylinder 31 and reset, can make sampling rod 22 stable contraction in cylinder 1, then first screw cap 11 is covered in the lower end of cylinder 1 and sealed, at this time, complete sampling operation, the whole process does not contact sampling rod 22, can reduce the risk of contamination, when diluting, first limit snap ring 38 is broken, then rotate second screw cap 33 and drive needle rod 34 to puncture sealing diaphragm 32, after sealing diaphragm 32 is punctured, dilution liquid in liquid storage cylinder 31 will flow into sampling rod 22 along liquid outlet passage 35, from liquid outlet hole 36 into cylinder 1, and mix dilution with excrement sample in cylinder 1, finally, screw off sealing cap 13, and sample is discharged from sample tube 12 and inspected, the whole process is carried out in airtight environment, can further reduce the risk of contamination, make operation more sanitary, improve the efficiency of sampling processing.
[0021] Further, the surface of sampling rod 22 is fixedly connected with limit plate 25, limit plate 25 abuts in the bottom of fixed plate 21, by the setting of limit plate 25, can limit sampling rod 22.
[0022] Further, the inner side wall of the barrel body 1 is provided with a sliding groove 14, and the outer wall of the liquid storage barrel 31 is fixedly connected with a sliding block 37, the sliding block 37 is slidably arranged in the sliding groove 14, through the sliding groove 14 and the sliding block 37, the liquid storage barrel 31 can be guided.
[0023] Further, the outer wall of the barrel body 1 is pasted with an operation mark 15, through the operation mark 15, the operation steps can be printed on the operation mark 15, so that the personnel can understand the operation steps.
[0024] Further, the outer circumferences of the first screw cap 11, the sealing cap 13 and the second screw cap 33 are all provided with anti-skid lines, through the anti-skid lines, when the first screw cap 11, the sealing cap 13 and the second screw cap 33 are screwed, the operation is more smooth.
[0025] The working principle and use process of the utility model are as follows: firstly, when sampling, the first screw cap 11 can be rotated to be opened, then the barrel body 1 is held, the liquid storage barrel 31 is pressed to slide into the barrel body 1, the liquid storage barrel 31 drives the sampling rod 22 to extend from the lower end of the barrel body 1, at this time, the spring 24 is compressed, after the sampling rod 22 extends, the burr 23 at the lower end of the sampling rod 22 can be inserted into the feces to sample, after sampling, only the liquid storage barrel 31 is slowly released, the spring 24 is used to reset the liquid storage barrel 31, the sampling rod 22 can be stably retracted into the barrel body 1, then the first screw cap 11 is covered at the lower end of the barrel body 1 to be sealed, at this time, the sampling operation is completed, the whole process does not contact the sampling rod 22, the contamination risk can be reduced, when diluting, the limiting snap ring 38 is broken, then the second screw cap 33 is rotated to drive the needle rod 34 to pierce the sealing diaphragm 32, after the sealing diaphragm 32 is pierced, the diluent in the liquid storage barrel 31 will flow into the sampling rod 22 along the liquid outlet channel 35, enters the barrel body 1 from the liquid outlet hole 36, and mixes and dilutes the feces sample in the barrel body 1, finally, the sealing cap 13 is unscrewed, the sample is discharged from the sample outlet pipe 12 to be inspected, the whole process is carried out in a closed environment, the contamination risk can be further reduced, the operation is more sanitary, and the sampling treatment efficiency is improved.
[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A faecal sample sampling and processing device comprising a barrel (1), a sampling mechanism (2) and a dilution mechanism (3), characterised in that: The sampling mechanism (2) includes a fixed plate (21) fixedly connected inside the cylinder (1), a sampling rod (22) is slidably passed through the center of the fixed plate (21), a burr (23) is fixedly connected to the lower end of the sampling rod (22), a spring (24) is sleeved on the sampling rod (22) above the fixed plate (21), a first cap (11) is threaded to the lower end of the cylinder (1), a sample outlet tube (12) is provided at the center of the first cap (11), and a sealing cap (13) is threaded to the bottom of the first cap (11). The dilution mechanism (3) includes a liquid storage cylinder (31) that is slidably installed on the upper end of the cylinder (1). The liquid storage cylinder (31) is fixedly connected to the upper end of the sampling rod (22). A sealing diaphragm (32) is fixedly connected inside the liquid storage cylinder (31). A second screw cap (33) is threadedly connected to the top of the liquid storage cylinder (31). A needle rod (34) is fixedly connected to the inner wall of the second screw cap (33). A liquid outlet channel (35) that penetrates to the sampling rod (22) is opened at the bottom of the liquid storage cylinder (31). Liquid outlet holes (36) are opened on both sides of the lower end of the liquid outlet channel (35).
2. A faecal sample sampling and processing device according to claim 1, wherein: A limiting plate (25) is fixedly connected to the surface of the sampling rod (22), and the limiting plate (25) abuts against the bottom of the fixing plate (21).
3. The fecal sample collection and processing device according to claim 1, characterized in that: A groove (14) is provided on the inner side wall of the cylinder (1), and a slider (37) is fixedly connected to the outer wall of the liquid storage cylinder (31). The slider (37) slides in the groove (14).
4. The fecal sample collection and processing device according to claim 1, characterized in that: The lower end of the second cap (33) abuts against a limiting ring (38), which is sleeved on the upper end of the liquid storage cylinder (31).
5. The fecal sample collection and processing device according to claim 1, characterized in that: An operation label (15) is affixed to the outer wall of the cylinder (1).
6. The fecal sample collection and processing device according to claim 1, characterized in that: The outer circumference of the first screw cap (11), the sealing cap (13), and the second screw cap (33) are all provided with anti-slip texture.