CN210741973U - A urine test tube for rapidly filtering urine sediment - Google Patents

Abstract

The utility model provides a urine test tube for quickly filtering urine sediment. The urine detection tube includes a filtrate tube and a urine sink tube; the two ends of the urine sink tube are open, one end is a sample inlet, the other end is a sample outlet, and a sediment tank is arranged near the sample outlet, and the sample outlet is provided with a removable seal Cap; the filtrate tube is provided with a push rod, a sample collection tube, a piston ring and a filter membrane; wherein the push rod and the filter membrane are respectively arranged at both ends of the sample collection tube, and the piston ring is arranged on the outer wall of the sample collection tube close to one end of the filter membrane The filtrate pipe is in sealing contact with the inner wall of the urethra sink through the piston ring, and can move inside the urethra. The urine test tube of the utility model can quickly filter urine, can greatly shorten the clinical urine test time, simplify the operation, and can replace the expensive and large-volume and large-capacity centrifuge. Urinalysis efficiency, cost saving, convenient in real life and clinical application.

Description

A urine test tube for rapidly filtering urine sediment

technical field

The utility model belongs to the field of urine detection medical instruments. More specifically, it relates to a urine test tube for rapidly filtering urine sediment.

Background technique

Urine examination, including routine urinalysis, detection of formed components in urine (such as urine red blood cells, white blood cells, etc.), quantitative determination of protein components, urine enzyme determination, etc. Urine examination is a very important examination method in both human clinical and animal clinical examinations. Urine examination is of great value in clinical diagnosis, judging efficacy and prognosis.

In human clinical and animal clinical tests, the conventional method for microscopic examination of urine sediment is the centrifugal precipitation method: after mixing the fresh urine, take 3-5 mL into a precipitation tube, and centrifuge at 1000 r/min for 5-10 min. ; Carefully aspirate the supernatant with a pipette, leaving 0.5mL of urine, the supernatant can be used for urine chemical testing; Shake the sedimentation tube to evenly suspend the urine sediment in a small amount of remaining urine; Use a pipette to absorb the urine sediment and place it On glass slides, air-dried for microscopic examination. This conventional centrifugal detection method takes a long time in the clinical testing process and is inefficient. In addition, the laboratory needs to be specially equipped with a large volume low-speed centrifuge, which also requires centrifugation and mixing in operation. Each step needs to be equipped with special equipment to complete, the operation is cumbersome, requires a lot of consumables, and increases the expenses of hospitals, inspection institutions or animal clinics.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to overcome the defects and technical deficiencies that the existing urine sediment microscopic examination requires specific large-scale equipment, resulting in high cost and complicated operation, and provides a urine detection tube for quickly filtering urine sediment.

The above-mentioned purpose of the present utility model is achieved through the following technical solutions:

A urine detection tube for quickly filtering urine sediment, comprising a filtrate tube and a urine sedimentation tube; the urine sedimentation tube is open at both ends, one end is a sample inlet, one end is a sample outlet, and a sediment tank is arranged near the sample outlet, and the sample outlet is provided with a sediment tank. The port is also provided with a detachable sealing cap; the filtrate tube is provided with a push rod, a sample collection tube, a piston ring and a filter membrane; the push rod and the filter membrane are respectively arranged at both ends of the sample collection tube, and the piston ring is arranged on the sample collection tube on the outer wall near one end of the filter membrane; the filtrate tube is in sealing contact with the inner wall of the urethra sink through the piston ring, and can move inside the urethra.

Preferably, the sediment tank is in the shape of a cone, and the apex angle thereof is connected with the sample outlet.

Preferably, the sealing cap is sealingly connected to the sample outlet through threads or snap connections.

Preferably, a sampling port is provided on the push rod; the sampling port can be sealed with a rubber stopper.

Preferably, an installation groove is provided on the outer peripheral wall of the sample collecting tube; the piston ring is installed in the installation groove.

More preferably, a plurality of the installation grooves and the piston ring may be provided, and the numbers of the two may match.

Preferably, one end of the sample collection tube is provided with a filter membrane installation groove; the filter membrane is glued on the surface of the filter membrane installation groove.

More preferably, the filter membrane installation groove and the sample collection tube are integrally formed.

Preferably, the urine sink tube, the sample outlet and the sample collection tube are all cylindrical; and the space between the sample collection tube and the urine sink tube is just placed with a piston ring.

Preferably, the push rod and the sample collection tube are integrally formed.

Preferably, the push rod is arranged as a cross-shaped skeleton, and its top end is a three-quarter circle; the diameter of the three-quarter circle may be greater than, less than or equal to the diameter of the sample collecting tube.

Preferably, the notch at the top of the three-quarter circle faces the sampling port.

Preferably, the push rod is arranged as a cross-shaped skeleton, the top of which is a complete circle; the diameter of the top of the complete circle is smaller than the diameter of the sample collection tube.

Preferably, the sampling port is arranged outside the complete circular top edge of the top end of the sampling tube.

The use method of the urine test tube provided by the utility model is as follows: firstly, the filtrate tube is taken out from the urea immersion tube, the sealing cap is sealed and connected to the sample outlet, then the urine sample is added into the urethra immersion tube through the sample inlet, and then the filtrate is The end of the tube with the filter membrane is inserted into the urine sink tube, as shown in Figure 6. If the sampling port is sealed with a rubber stopper, the rubber stopper needs to be removed, and then the push rod is pushed down; then the urine sample enters the collection through the filter membrane. In the sample tube, the substances in the urine sample that cannot pass through the filter membrane, such as crystals, casts, red blood cells, white blood cells, epithelial cells and other urine sediments are enriched in the conical sediment tank at the bottom of the urinary sedimentation tube, and the push rod pushes it completely. If the filtration of the urine sample is completed, the rubber stopper of the sampling port can be plugged to prevent the urine sample in the collecting tube from flowing back into the urethra.

After the above filtration is completed, the urine sample in the sample collection tube can be directly extracted through the sampling port for urine dry chemical detection; a small amount of urine droplets containing urine sediment in the sediment tank can be dropped onto the glass slide through the sample for direct microscopic examination. ; The filter residue on the filter membrane can be stuck on the glass slide for direct staining and microscopy.

The utility model has the following beneficial effects:

The urine test tube of the utility model can quickly filter urine, can greatly shorten the clinical urine test time, simplify the operation, and can replace the expensive and bulky centrifuge. , cost saving, convenient in real life and clinical application.

Description of drawings

FIG. 1 is a schematic structural diagram of the urine test tube provided in Example 1. FIG.

FIG. 2 is a schematic cross-sectional structural diagram of the urine test tube provided in Example 1. FIG.

FIG. 3 is a schematic structural diagram of the filtrate tube provided in Example 1. FIG.

FIG. 4 is a schematic structural diagram of the filtrate tube assembly provided in Example 1. FIG.

FIG. 5 is a schematic structural diagram of the filter membrane installation groove provided in Example 1. FIG.

FIG. 6 is a schematic structural diagram of the urine test tube provided in Example 1. FIG.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but the embodiments do not limit the present invention in any form. Unless otherwise specified, the reagents, methods and equipment used in the present invention are conventional reagents, methods and equipment in the technical field.

Unless otherwise specified, the reagents and materials used in the present invention are commercially available.

Example 1

A urine test tube for quickly filtering urine sediment, the schematic diagram of which is shown in Figure 1, including a filtrate tube 1 and a urine sedimentation tube 2; the cross-sectional view of the urine detection tube is shown in Figure 2, wherein the urine sedimentation tube 2 is open at both ends, and one end is open. It is a sample inlet 21, one end is a sample outlet 22, a sediment tank 23 is provided near the sample outlet 22, and the sample outlet 22 is also provided with a detachable sealing cap 221; the filtrate tube 1 is provided with a push rod 11, a sample collection tube 12. Piston ring 13 and filter membrane 14; wherein the push rod 11 and the filter membrane 14 are respectively arranged on both ends of the sample collection tube 12, and the piston ring 13 is arranged on the outer wall of the sample collection tube 12 close to one end of the filter membrane 14; the filtrate tube 1 passes through The piston ring 13 is in sealing contact with the inner wall of the urethra tube 2 and can move inside the urethra tube 2 .

The sediment tank 23 is tapered, and its cross section is triangular, as shown in FIG.

The sealing cap 221 is sealingly connected to the sample outlet 22 through threads or snap connections.

As shown in FIG. 3 , the push rod 11 is provided with a sampling port 111 ; the sampling port 111 can be sealed with a rubber plug.

An installation groove 15 is provided on the outer peripheral wall of the sample collection tube 12 ; the piston ring 13 is installed in the installation groove 15 .

One or more installation grooves 15 and piston rings 13 may be provided, and the number of the two may match.

As shown in FIG. 5 , in order to facilitate the installation of the filter membrane 14 and ensure that the filter membrane 14 can function normally during use, without causing the filter membrane 14 to fall off or be damaged due to the existence of pressure, one end of the sample collection tube 12 is provided with There is a filter membrane installation groove 16; the filter membrane 14 is glued in the filter membrane installation groove 16.

In order to ensure that the urine sample can only enter the sample collection tube 12 through the filter membrane 14 , the filter membrane installation groove 16 is integrally formed with the sample collection tube 12 .

The filter membrane mounting groove 16 is connected to the sample collection tube 12 by screwing or snap-fitting.

The urine sink tube 2 , the sample outlet 22 and the sample collection tube 12 are all cylindrical; and the space between the sample collection tube 12 and the urine sink tube 2 is just where the piston ring 13 is placed.

The push rod 11 and the sample collection tube 12 are integrally formed.

Wherein, the push rod 11 is set as a cross-shaped skeleton, the top of which is a three-quarter circle, and its diameter can be greater than, less than or equal to the diameter of the sample collection tube 12 .

In order to facilitate sampling, the notch at the top of the three-quarter circle faces the sampling port 111, as shown in FIG. 4 .

Another equally feasible solution is to set the push rod 11 as a cross-shaped skeleton, the top of which is a complete circle and whose diameter is smaller than that of the sample collection tube 12 . Then, the sampling port 111 is arranged on the outside of the complete circular top edge of the top end of the sample collecting tube 12 .

The method of using the urine test tube provided in this embodiment is as follows: first take out the filtrate tube 1 from the urine sink tube 2, seal the cap 221 on the sample outlet 22, and then add the urine sample into the urine sediment through the sample inlet 21. In the tube 2, then insert the end of the filtrate tube 1 with the filter membrane 14 into the urine sink tube 2, as shown in Figure 6, if the sampling port 111 is sealed with a rubber stopper, you need to remove the rubber stopper, and then push down Rod 111; if the air-permeable bacterial membrane is used, push the push rod 111 directly downward, and the urine sample enters the sample collection tube 12 through the filter membrane 14, and the substances in the urine sample that cannot pass through the filter membrane 14, such as Urinary sediments such as crystals, casts, red blood cells, white blood cells, and epithelial cells are concentrated in the conical sediment tank 23 at the bottom of the sedimentation tube 2. When the push rod 111 is fully pushed, the urine sample is filtered and the sampling port can be plugged. The rubber stopper of 111 can prevent the urine sample in the sample collection tube 12 from flowing back into the urethra sink 2.

After the above filtration is completed, the urine sample in the sample collection tube 12 can be directly extracted through the sampling port 111 for dry chemical detection of urine; a small amount of urine droplets containing urine sediment in the sediment tank 23 can be dropped onto the glass slide through the sample 22. , direct microscopic examination; the filter residue on the filter membrane 14 can be stuck on the glass slide for direct staining microscopic examination.

Using the urine test tube in the above embodiment can quickly filter urine, can greatly shorten the clinical urine test time, simplify the operation, can replace the expensive and bulky centrifuge, can significantly improve the urine test efficiency, save costs, and be used in real life and clinical applications. convenient.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit the protection scope of the present invention. For those of ordinary skill in the art, on the basis of the above descriptions and ideas, the Variations or changes in other forms can be made, and there is no need and cannot be an exhaustive list of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims (10)

1. a urine test tube for quickly filtering urine sediment is characterized in that, comprising filtrate tube (1) and urine sink tube (2); urine sink tube (2) is open at both ends, and one end is a sample inlet (21), and one end is a sample inlet (21). The sample outlet (22) is provided with a sediment tank (23) near the sample outlet (22), and the sample outlet (22) is provided with a detachable sealing cap (221); the filtrate pipe (1) is provided with A push rod (11), a sample collection tube (12), a piston ring (13) and a filter membrane (14); wherein the push rod (11) and the filter membrane (14) are respectively arranged at both ends of the sample collection tube (12), and the piston The ring (13) is arranged on the outer wall of the sample collection tube (12) close to one end of the filter membrane (14); the filtrate tube (1) is in sealing contact with the inner wall of the urethra sink tube (2) through the piston ring (13), and can be Urinary immersion tube (2) internal activities. 2 . The urine test tube for rapidly filtering urine sediment according to claim 1 , wherein the sediment tank ( 23 ) is tapered, and its apex angle is connected with the sample outlet ( 22 ). 3 . 3 . The urine test tube for rapidly filtering urine sediment according to claim 1 , wherein the push rod ( 11 ) is provided with a sampling port ( 111 ); the sampling port ( 111 ) can be sealed with a rubber plug. 4 . 4. The urine test tube for quickly filtering urine sediment according to claim 3, wherein a mounting groove (15) is provided on the outer peripheral wall of the sample collecting tube (12); the piston ring (13) is mounted in the mounting groove (12). 15); one end of the sample collection tube (12) is provided with a filter membrane installation groove (16); the filter membrane (14) is glued on the surface of the filter membrane installation groove (16). 5. The urine test tube for rapidly filtering urine sediment according to claim 4, wherein the urine sedimentation tube (2), the sample outlet (22) and the sample collection tube (12) are all cylindrical; The space between the sample tube (12) and the urine sink tube (2) is just right to place the piston ring (13). 6 . The urine test tube for rapidly filtering urine sediment according to claim 5 , wherein the push rod ( 11 ) and the sample collecting tube ( 12 ) are integrally formed. 7 . 7. The urine test tube for rapidly filtering urine sediment according to claim 6, wherein the push rod (11) is arranged in a cross-shaped skeleton, and its top is a three-quarter circle; the three-quarter circle The diameter of the shape can be greater than, less than or equal to the diameter of the manifold (12). 8 . The urine test tube for rapidly filtering urine sediment according to claim 7 , wherein the notch at the top of the three-quarter circle faces the sampling port ( 111 ). 9 . 9. The urine test tube for rapidly filtering urine sediment according to claim 6, wherein the push rod (11) is provided as a cross-shaped skeleton, the top of which is a complete circle, and the diameter of the top of the complete circle is Smaller than the diameter of the sample collection tube (12). 10. The urine test tube for rapidly filtering urine sediment according to claim 9, characterized in that, the sampling port (111) is arranged outside the complete circular top edge of the top of the sample collecting tube (12).

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