CN210741973U

CN210741973U - Urine test tube for quickly filtering urine sediment

Info

Publication number: CN210741973U
Application number: CN201920950256.7U
Authority: CN
Inventors: 孙永学; 于晴晴; 苏吉贤; 吴玄光; 贾坤
Original assignee: South China Agricultural University
Current assignee: South China Agricultural University
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-06-12
Anticipated expiration: 2029-06-21

Abstract

The utility model provides a urine test tube for rapidly filtering urinary sediment. The urine detection tube comprises a filtrate tube and a urinary sedimentation tube; two ends of the urine sedimentation tube are opened, one end of the urine sedimentation tube is a sample inlet, the other end of the urine sedimentation tube is a sample outlet, a sediment groove is arranged close to the sample outlet, and a detachable sealing cap is arranged at the sample outlet; the filtrate pipe is provided with a push rod, a sample collecting pipe, a piston ring and a filter membrane; the push rod and the filter membrane are respectively arranged at two ends of the sample collecting pipe, and the piston ring is arranged on the outer wall of one end, close to the filter membrane, of the sample collecting pipe; the filtrate pipe is in sealing contact with the inner wall of the urine sedimentation pipe through a piston ring and can move in the urine sedimentation pipe. But urine test tube rapid filtration urine can shorten clinical urine test time greatly, and the simplified operation can replace the centrifuge of expensive and bulky large capacity, and the sample that once separation obtained can detect multinomial index simultaneously, is showing improvement urine test efficiency, practices thrift the cost, and is convenient at real life and clinical application.

Description

Urine test tube for quickly filtering urine sediment

Technical Field

The utility model belongs to urine detects medical instrument field. And more particularly, to a urine test tube for rapidly filtering urinary sediment.

Background

The urine examination comprises routine analysis of urine, detection of visible components in urine (such as urine red blood cells, white blood cells and the like), quantitative determination of protein components, and urease determination. Urine tests are very important examination means in human clinical examination and animal clinical examination, and have very important values for clinical diagnosis, curative effect judgment and prognosis.

In human clinical and animal clinical examinations, the common method for routine urinary sediment microscopy is centrifugation: uniformly mixing fresh urine, putting 3-5 mL of the fresh urine in a sedimentation tube, and carrying out centrifugal sedimentation for 5-10 min at the speed of 1000 r/min; carefully pipette the supernatant out, leaving 0.5mL of urine, which can be used for urine chemical examination; shaking the sedimentation tube to make the urine sediment evenly suspended in a small amount of residual urine; the urinary sediment is sucked by a suction tube and placed on a glass slide, and the microscopic examination is carried out after the air drying. The conventional centrifugal detection method needs to consume a long time in the clinical examination process, is low in efficiency, requires a large-capacity low-speed centrifuge with a large volume to be specially equipped in a laboratory, also needs the steps of centrifugation and mixing in operation, needs special instruments and equipment to complete each step, is complex to operate, needs a large amount of consumables, and increases the expenses of hospitals, examination institutions or animal clinics.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current urinary sediment microscopic examination and need specific macro equipment, lead to the cost higher, the while operation is also comparatively loaded down with trivial details defect and technique not enough, provides the urine test tube of the rapid filtration urinary sediment.

The utility model discloses above-mentioned purpose is realized through following technical scheme:

a urine test tube for rapidly filtering urine sediments comprises a filtrate tube and a urine sedimentation tube; two ends of the urine sedimentation tube are opened, one end of the urine sedimentation tube is a sample inlet, the other end of the urine sedimentation tube is a sample outlet, a sediment groove is arranged close to the sample outlet, and the sample outlet is also provided with a detachable sealing cap; the filtrate pipe is provided with a push rod, a sample collecting pipe, a piston ring and a filter membrane; the push rod and the filter membrane are respectively arranged at two ends of the sample collecting pipe, and the piston ring is arranged on the outer wall of one end, close to the filter membrane, of the sample collecting pipe; the filtrate pipe is in sealing contact with the inner wall of the urine sedimentation pipe through a piston ring and can move in the urine sedimentation pipe.

Preferably, the slag settling tank is conical, and the vertex angle of the slag settling tank is connected with the sample outlet.

Preferably, the sealing cap is connected with the sample outlet in a sealing mode through threads or clamping.

Preferably, a sampling port is arranged on the push rod; the sampling port can be sealed by a rubber plug.

Preferably, the outer peripheral wall of the sample collection tube is provided with an installation groove; the piston ring is mounted in the mounting groove.

More preferably, the mounting groove and the piston ring can be provided in a plurality, and the number of the mounting groove and the number of the piston ring can be matched.

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

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

Preferably, the urinary sediment tube, the sample outlet and the sample collecting tube are all cylindrical; and a piston ring is just placed in a gap between the sample collecting tube and the urinary sedimentation tube.

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

Preferably, the push rod is arranged into a cross-shaped framework, and the top end of the push rod is three-quarters circular; the diameter of the three-quarter circle can be larger than, smaller than or equal to the diameter of the sample collecting pipe.

Preferably, the notch of the three-quarter round top end faces the sampling opening.

Preferably, the push rod is arranged into a cross-shaped framework, and the top end of the push rod is in a complete circle shape; the diameter of the complete round top end is smaller than that of the sample collecting pipe.

Preferably, the sampling port is arranged outside the complete circular top end edge of the top end of the sample collecting pipe.

The utility model provides a urine test tube's application method does: taking the filtrate pipe out of the urine sedimentation pipe, connecting the sealing cap to the sample outlet in a sealing manner, adding a urine sample into the urine sedimentation pipe through the sample inlet, inserting one end of the filtrate pipe, which is provided with the filter membrane, into the urine sedimentation pipe, as shown in figure 6, if the sampling port is sealed by a rubber plug, taking down the rubber plug, and then pushing the push rod downwards; the urine sample enters the sample collection tube through the filter membrane, substances which cannot pass through the filter membrane in the urine sample, such as crystals, tubes, red blood cells, white blood cells, epithelial cells and the like, urinary sediments are enriched in the conical sediment groove at the bottom of the urinary sediment tube, the push rod pushes the urine sample completely, the urine sample is filtered, the rubber plug of the sampling port can be plugged, and the urine sample in the sample collection tube can be prevented from flowing back to the urinary sediment tube.

After the filtration is finished, the urine sample in the sample collecting tube can be directly extracted through the sampling port to carry out urine dry chemical detection; a small amount of urine drops containing urine sediments in the sediment tank can be directly microscopically detected by dropping a sample onto the glass slide; the filter residue on the filter membrane can be stuck on the glass slide for direct staining microscopic examination.

The utility model discloses following beneficial effect has:

but urine test tube rapid filtration urine can shorten clinical urine test time greatly, and the simplified operation can replace expensive and bulky centrifuge, and the sample that once separation obtained can detect multinomial index simultaneously, is showing improvement urine test efficiency, practices thrift the cost, and is convenient at real life and clinical application.

Drawings

Fig. 1 is a schematic structural view of a urine test tube provided in embodiment 1.

Fig. 2 is a schematic cross-sectional view of the urine test tube provided in example 1.

Fig. 3 is a schematic structural view of a filtrate pipe provided in example 1.

Fig. 4 is a schematic structural view of a filtrate pipe assembly provided in example 1.

FIG. 5 is a schematic view of the filter membrane installation tank provided in example 1.

Fig. 6 is a schematic structural view of the urine test tube provided in embodiment 1.

Detailed Description

The present invention will be further described with reference to the following drawings and specific examples, which are not intended to limit the invention in any way. Unless otherwise indicated, the reagents, methods and apparatus employed in the present invention are conventional in the art.

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

Example 1

A urine test tube for rapidly filtering urine sediment, the structure schematic diagram of which is shown in figure 1, comprises a filtrate tube 1 and a urine sediment tube 2; the cross-sectional view of the urine test tube is shown in fig. 2, wherein two ends of the urine sedimentation tube 2 are open, one end is a sample inlet 21, the other end is a sample outlet 22, a sediment groove 23 is arranged near the sample outlet 22, and the sample outlet 22 is further provided with a detachable sealing cap 221; the filtrate pipe 1 is provided with a push rod 11, a sample collecting pipe 12, a piston ring 13 and a filter membrane 14; wherein the push rod 11 and the filter membrane 14 are respectively arranged at two ends of the sample collecting pipe 12, and the piston ring 13 is arranged on the outer wall of one end of the sample collecting pipe 12 close to the filter membrane 14; the filtrate pipe 1 is in sealing contact with the inner wall of the urinary sedimentation pipe 2 through a piston ring 13 and can move in the urinary sedimentation pipe 2.

The slag settling tank 23 is conical, and has a triangular cross section, and the apex angle thereof is connected to the sample outlet 22, as shown in fig. 2.

The sealing cap 221 is connected with the sample outlet 22 in a sealing way through threads or clamping.

As shown in fig. 3, the push rod 11 is provided with a sampling port 111; the sampling port 111 may be sealed with a rubber stopper.

The outer peripheral wall of the sample collecting pipe 12 is provided with a mounting groove 15; the piston ring 13 is mounted in the mounting groove 15.

One or more mounting grooves 15 and piston rings 13 can be arranged, and the number of the mounting grooves and the number of the piston rings can be matched.

As shown in fig. 5, in order to facilitate installation of the filter membrane 14 and ensure that the filter membrane 14 can normally function in the using process without falling off or breakage of the filter membrane 14 due to the existence of pressure, a filter membrane installation groove 16 is arranged at one end of the sample collection tube 12; the filter membrane 14 is glued in the filter membrane mounting groove 16.

To ensure that the urine sample can only enter the sample collection tube 12 through the filter 14, the filter mounting slot 16 is integrally formed with the sample collection tube 12.

The filter membrane mounting groove 16 is connected to the sample collecting pipe 12 through threads or clamping connection.

The urinary sediment tube 2, the sample outlet 22 and the sample collecting tube 12 are all cylindrical; and the space between the sample collection tube 12 and the urinary sedimentation tube 2 is just provided with the piston ring 13.

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

The push rod 11 is a cross-shaped framework, the top end of the push rod is three-quarters circular, and the diameter of the push rod can be larger than, smaller than or equal to that of the sample collecting pipe 12.

To facilitate sampling, the cut-out of the three-quarter circle top is aligned with the sampling port 111, as shown in FIG. 4.

Another equally feasible solution is to provide the push rod 11 as a cross-shaped skeleton, whose top end is a complete circle, whose diameter is smaller than the diameter of the sample collection tube 12. The sampling port 111 is located outside the fully circular top edge of the top end of the sample collection tube 12.

The using method of the urine test tube provided by the embodiment comprises the following steps: taking the filtrate pipe 1 out of the urinary sediment pipe 2, hermetically connecting the sealing cap 221 to the sample outlet 22, adding the urine sample into the urinary sediment pipe 2 through the sample inlet 21, inserting the end of the filtrate pipe 1 provided with the filter membrane 14 into the urinary sediment pipe 2, as shown in fig. 6, if the sampling port 111 is sealed by a rubber plug, taking down the rubber plug, and then pushing the push rod 111 downwards; if the breathable bacteria-filtering membrane is adopted, the push rod 111 is directly pushed downwards, the urine sample enters the sample collection tube 12 through the filter membrane 14, substances in the urine sample which cannot pass through the filter membrane 14, such as crystals, casts, red blood cells, white blood cells, epithelial cells and other urine sediments, are enriched in the conical sediment groove 23 at the bottom of the urine sediment tube 2, the push rod 111 is completely pushed, the urine sample is filtered, and a rubber plug of the sampling port 111 can be plugged, so that the urine sample in the sample collection tube 12 can be prevented from flowing back to the urine sediment tube 2.

After the filtration is finished, the urine sample in the sample collection pipe 12 can be directly extracted through the sampling port 111 for urine dry chemical detection; a small amount of urine drops containing urine sediments in the sediment tank 23 can be dripped onto a glass slide through the sample 22 and directly subjected to microscopic examination; the filter residue on the filter membrane 14 can be stuck on a glass slide for direct staining microscopy.

The urine test tube in the embodiment can be used for quickly filtering urine, greatly shortening clinical urine test time, simplifying operation, replacing an expensive and large-size centrifugal machine, remarkably improving urine test efficiency, saving cost and being convenient to use in actual life and clinic.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and that those skilled in the art can make variations or modifications in other different forms based on the above description and thought, and all embodiments need not be exhaustive. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A urine test tube for rapidly filtering urine sediments is characterized by comprising a filtrate tube (1) and a urine sedimentation tube (2); two ends of the urinary sediment tube (2) are opened, one end is a sample inlet (21), the other end is a sample outlet (22), a sediment groove (23) is arranged close to 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 collecting pipe (12), a piston ring (13) and a filter membrane (14); wherein the push rod (11) and the filter membrane (14) are respectively arranged at two ends of the sample collecting pipe (12), and the piston ring (13) is arranged on the outer wall of one end of the sample collecting pipe (12) close to the filter membrane (14); the filtrate pipe (1) is in sealing contact with the inner wall of the urine sedimentation pipe (2) through a piston ring (13) and can move in the urine sedimentation pipe (2).

2. The urine test tube for rapidly filtering urinary sediment according to claim 1, wherein the sediment tank (23) is tapered, and the apex angle thereof is connected to the sample outlet (22).

3. The urine test tube for rapidly filtering urinary sediment according to claim 1, wherein the push rod (11) is provided with a sampling port (111); the sampling port (111) can be sealed by a rubber plug.

4. The urine test tube for rapid filtering of urinary sediment according to claim 3, wherein the sample collection tube (12) is provided with an installation groove (15) on the outer peripheral wall thereof; the piston ring (13) is arranged in the mounting groove (15); one end of the sample collection pipe (12) is provided with a filter membrane installation groove (16); the filter membrane (14) is glued on the surface of the filter membrane mounting groove (16).

5. The urine test tube for rapidly filtering urinary sediment according to claim 4, wherein the urinary sediment tube (2), the sample outlet (22) and the sample collection tube (12) are all cylindrical; and a piston ring (13) is just placed in the gap between the sample collecting tube (12) and the urinary sedimentation tube (2).

6. The urine test tube for rapid filtering of urinary sediment according to claim 5, wherein the push rod (11) and the sample collection tube (12) are integrally formed.

7. The urine test tube for rapidly filtering urinary sediment according to claim 6, wherein the push rod (11) is configured as a cross-shaped frame with a three-quarter circle at the top end; the diameter of the three-quarter circle can be larger than, smaller than or equal to the diameter of the sample collection pipe (12).

8. The urine test tube for rapidly filtering urinary sediment according to claim 7, wherein the notch of the three-quarter round top end is opposite to the sampling port (111).

9. The urine test tube for rapidly filtering urinary sediment according to claim 6, wherein the push rod (11) is configured as a cross-shaped frame, the top end of the cross-shaped frame is a complete circle, and the diameter of the complete circle is smaller than that of the sample collecting tube (12).

10. The urine test tube for rapid filtering of urinary sediment according to claim 9, wherein the sampling port (111) is provided outside the completely rounded top edge of the top end of the sample collection tube (12).