Excrement sample collection tube

Abstract

The utility model provides an excrement sample collecting tube. The excrement sample collecting tube comprises a sampler, a tube core and a collecting tube which are connected in sequence, the sampler comprises a handheld part, a screw cap arranged at one axial end of the handheld part and a sampling rod which is coaxial with the screw cap and is fixedly connected with the screw cap, and a plurality of sampling grooves are uniformly formed in the tail end surface of the sampling rod; the tube core comprises a connecting part and a cavity tube arranged at one axial end of the connecting part, and a through hole through which the sampling rod can penetrate is formed in the tail end surface of the cavity tube; a filter plug is arranged at the inner bottom of the collecting pipe, a liquid storage cavity and a liquid overflowing cavity are formed in the pipe body through the filter plug, and an aluminum foil thin layer is arranged at a liquid outlet of the filter plug. According to the excrement sample collection tube, the convenience of sample collection and sampling and the stability of sample storage are effectively guaranteed, the accuracy of sample detection is further guaranteed, meanwhile, the collection amount of excrement samples can be effectively controlled, and the problem that the odor is too strong in the excrement sample storage process is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection sampling equipment technical field, concretely relates to a fecal sample collection tube. BACKGROUND

[0002] Fecal sample detection as a simple, non-invasive and inexpensive inspection method has an important position in the field of in vitro diagnosis. It not only helps doctors to detect a variety of diseases early, but also can evaluate the intestinal health, guide treatment and control the outbreak of infectious diseases. Especially with the rise of living standards, colorectal cancer has become the second malignant tumor disease in China, second only to lung cancer incidence. And fecal sample detection is one of the effective means of colorectal cancer screening, and fecal occult blood test and DNA detection are two commonly used colorectal cancer screening methods.

[0003] But at present, the fecal sample collection work in the field of in vitro diagnosis is collected by the patient, the patient has not undergone the corresponding sample collection training, which may lead to non-standard sample collection, excessive or insufficient sample collection, and the need to inject the corresponding storage liquid into the sample during sample storage, transportation or detection to prepare the detection sample. The variation of fecal sample collection amount is easy to cause sample overflow and pollution of the experimental environment; also because of the particularity of the sample itself, it is easy to cause physiological discomfort of the detection personnel, affecting the mental health of the detection personnel. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a fecal sample collection tube to solve the above-mentioned problems of the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A fecal sample collection tube, comprising a sampler, a tube core and a collection tube connected in sequence; the sampler comprises a hand-held part, a screw cap arranged at one end of the hand-held part in the axial direction and a sampling rod coaxially fixedly connected with the screw cap, a plurality of sampling grooves are uniformly arranged on the end surface of the sampling rod; the tube core comprises a connecting part and a lumen arranged at one end of the connecting part in the axial direction, the connecting part is in a ring structure, and a screw thread capable of cooperating with the screw cap for locking is arranged on the inner wall, a through hole capable of allowing the sampling rod to pass through is arranged on the end surface of the lumen; the collection tube comprises a tube body with an open top, a filter plug fixedly arranged at the inner bottom of the tube body, the filter plug forms a liquid storage cavity and a liquid overflow cavity in the tube body, an aluminum foil layer is arranged on the liquid outlet of the filter plug; the lumen can be inserted from the top opening of the tube body, and a plurality of sealing rubber rings are arranged on the inner wall of the top of the tube body.

[0007] Further, the outer surfaces of the hand-held part of the sampler and the connecting part of the tube core are provided with anti-slip vertical lines.

[0008] Further, the storage cavity stores a preservative liquid for keeping the activity of the sample microorganism.

[0009] From the above technical solutions, compared with the prior art, the utility model has the following advantages:

[0010] 1. The end surface of the sampling rod is provided with a sampling groove, when the sampling rod groove is vertically inserted into the fecal sample, the sample can fill the sampling groove, and sampling is more convenient.

[0011] 2. The connection between the tube core and the collection tube in the preferred embodiment adopts a mechanical sealing mode of a sealing rubber ring, which can effectively prevent odor overflow and liquid leakage.

[0012] 3. The end surface of the tube core is provided with a through hole, when the sampling groove passes with the fecal sample, the through hole can scratch off the excess sample and keep it in the cavity tube, effectively controlling the sample sampling amount.

[0013] 4. The storage cavity stores a preservative liquid, after the fecal sample collection is completed, the sample is mixed with the preservative liquid, on the one hand, the activity of the microorganism in the fecal sample can be kept, and the sample storage and transportation are facilitated, on the other hand, after the fecal sample is mixed with the preservative liquid, it can be directly used for detection, and the sample pretreatment process is simplified.

[0014] 5. The storage cavity and the overflow cavity of the collection tube are separated by an aluminum foil thin layer, the aluminum foil thin layer is special metal aluminum material, has good ductility, can isolate air, moisture, microorganisms and other substances in the external environment from entering the overflow cavity into the storage cavity, prolongs the storage time of the preservative liquid in the storage cavity; when sample detection is needed, only the aluminum foil thin layer needs to be pierced and the storage cavity is squeezed, so that the liquid can seep out of the overflow cavity and the detection sample can be extracted.

[0015] 6. The storage cavity and the overflow cavity are communicated through a filter plug, the filter plug can filter the foam and large particle residues in the liquid after the fecal sample is mixed with the preservative liquid with special components, when the sample is detected, the storage cavity is squeezed, the mixed liquid penetrates into the detection liquid in the overflow cavity through the filter plug, and there is no excess impurity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the utility model embodiment sampler;

[0018] Figure 3 It is a structure schematic view of the tube core of the utility model;

[0019] Figure 4The utility model discloses a structure schematic drawing of collection pipe.

[0020] In the figure: 1, sampler;11, handheld part;12, screw cap;13, sampling rod;14, sampling groove;2, tube core;21, connecting part;22, cavity pipe;23, through -hole;3, collection pipe;31, filter plug;32, liquid storage cavity;33, overflow cavity;34, sealing rubber ring. DETAILED DESCRIPTION

[0021] The utility model discloses a preferred embodiment of one of the utility model will be described in detail below with the drawings.

[0022] As Figure 1 The excrement sample collection pipe shown in the figure, including the sampler 1, the tube core 2 and the collection pipe 3 that connect in turn;The sampler includes handheld part 11, sets up the screw cap 12 of handheld part 11 axial one end and with Screw cap 12 coaxial and fixed connection's sampling rod 13, the end face of sampling rod is evenly provided with a plurality of sampling grooves 14, when sampling rod groove 14 is perpendicular to insert excrement sample, sample can fill up sampling groove 14, and sampling is more convenient;The tube core 2 includes connecting part 21 and sets up the cavity pipe 22 of connecting part 21 axial one end, the connecting part 21 is annular structure, and the inner wall is provided with the thread that can cooperate with screw cap 12 and lock tightly, the end face of cavity pipe 22 is provided with the through -hole 23 that can make sampling rod pass through, when sampling groove passes with excrement sample, this through -hole 23 can scratch off the redundant sample, and keep in cavity pipe 22, effectively control sample sampling amount;The collection pipe 3 includes the pipe body of top opening, the filter plug 31 of fixed setting in the bottom of pipe body, the filter plug 31 makes the liquid storage cavity 32 and overflow cavity 33 that form in the pipe body, the liquid outlet of filter plug 31 is provided with aluminum foil thin layer;The cavity pipe 22 can be inserted from the top opening of pipe body, and the inner wall on the top of pipe body is provided with a plurality of sealing rubber ring 34, can prevent the internal liquid of liquid storage cavity 32 from flowing out;The aluminum foil thin layer is special metal aluminum material, has good ductility, can isolate the air, moisture, microorganism and so on of outside from overflow cavity 33 into liquid storage cavity 32, prolongs the storage time of the preservative liquid of special component in liquid storage cavity 32.

[0023] In the specific use, the liquid storage cavity 32 stores the preservative liquid for keeping the microbial activity of the sample, which can effectively prevent the microbial activity of the collected excrement sample from decreasing during the preservation and transportation, thereby ensuring the accuracy of subsequent detection.

[0024] The outer surface of the handheld part 11 of the sampler 1 and the connecting part 21 of the tube core 2 is provided with anti-skid vertical lines, which can effectively increase the friction and make the sampler 1 and the tube core 2 more convenient to take and place.

[0025] During the collection of the fecal sample, first, the detector twists off the screw cap 12 through the hand-held part 11 to take out the sampling rod 13, then inserts the sampling rod 13 into the fecal sample vertically, lifts the sampling rod 13 vertically and takes up the fecal sample through the sampling groove 14 on the end surface of the sampling rod 13, thus completing the sampling process; then inserts the sampling rod 13 with the fecal sample into the tube core 2, at this time, the tube core 2 is connected with the collection tube 3, the fecal sample at the end of the sampling rod 13 is scraped to remove the excess fecal sample through the through hole 23 on the end surface of the tube core 2 and then enters the preservative liquid in the collection tube 3, then tightens the sampler 1 and the tube core 2 to prevent the odor of the fecal sample from overflowing and the liquid from leaking during the storage and transportation, thus ensuring the activity of the microorganism in the fecal sample.

[0026] In the specific sampling, the liquid suction needle is used to penetrate the aluminum foil layer and extrude the storage cavity 32 at the same time, so that the to-be-tested liquid is seeped into the overflow cavity 33, and the large-particle residues are filtered through the filter plug 31, so that the to-be-tested liquid can be extracted by the detector for detection, and the liquid in the overflow cavity 33 can be directly used for detection.

[0027] The above-described embodiments are merely used to describe the preferred embodiments of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical scheme of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. A stool sample collection tube, characterized in that: It includes a sampler, a core and a collection tube connected in sequence; The sampler comprises a handheld portion, a nut provided at one axial end of the handheld portion, and a sampling rod coaxial with and fixedly connected to the nut, wherein a plurality of sampling grooves are evenly formed on the distal end surface of the sampling rod; The tube core includes a connecting portion and a lumen provided at one axial end of the connecting portion. The connecting portion is an annular structure, and the inner wall is provided with a thread capable of cooperating and locking with the nut. The end surface of the lumen is provided with a through hole capable of allowing the sampling rod to pass through. The collection tube comprises a tube body with an open top, and a filter plug fixedly arranged at the bottom of the tube body. The filter plug forms a liquid storage cavity and an overflow cavity in the tube body, and a thin layer of aluminum foil is provided at the liquid outlet of the filter plug. The cavity tube can be inserted from the top opening of the tube body, and a plurality of sealing rubber rings are arranged on the inner wall of the top of the tube body.

2. A stool sample collection tube according to claim 1, characterized in that: The outer surfaces of the hand-held portion of the sampler and the connecting portion of the tube core are provided with anti-slip vertical stripes.

3. A stool sample collection tube according to claim 1, characterized in that: The liquid storage cavity stores a preservation liquid for maintaining the activity of sample microorganisms.

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