CN221006925U

CN221006925U - Urine sampling device

Info

Publication number: CN221006925U
Application number: CN202322760537.5U
Authority: CN
Inventors: 徐凌
Original assignee: People's Hospital Of Beijing Daxing District
Current assignee: People's Hospital Of Beijing Daxing District
Priority date: 2023-10-14
Filing date: 2023-10-14
Publication date: 2024-05-24
Anticipated expiration: 2033-10-14

Abstract

The utility model relates to the field of medical equipment, specifically a urine sampling device, comprising a liquid collecting tube, a threaded barrel, and a piston rod, wherein one end of the liquid collecting tube is a sampling port and the other end has an internal thread; the threaded barrel is provided with an external thread matched with the internal thread, and the threaded barrel is adjustably arranged in the liquid collecting tube; the piston rod passes through the threaded barrel, and a spring is provided between the piston rod and the threaded barrel, and the two ends of the spring are respectively abutted against a retaining ring in the middle of the piston rod and a bottom plate of the threaded barrel; by pushing the piston rod downward, the spring is further compressed, the piston is placed in the lowest position in the liquid collecting tube, the piston rod is loosened, the spring stretches and drives the piston to move upward, negative pressure is generated in the liquid collecting tube, urine is sucked from the sampling port to complete sampling, the sampling volume can be set, single-handed operation can be achieved, and sampling is efficient, convenient and not easy to miss.

Description

Sampling urine taking device

Technical Field

The utility model relates to the field of medical appliances, in particular to a sampling urine collector.

Background

Urine inspection is a detection mode commonly used in medicine, and urologists generally use the syringe to rely on manual suction to take out urine when taking a sample of urine, and traditional syringe needs to use both hands cooperation and push-and-pull difficult control, and the extraction mode is inconvenient for one-hand operation and the rate of extraction is slower, if carelessly touch the push rod of syringe after the sample is accomplished, makes urine miss and causes the pollution easily.

Disclosure of utility model

First technical problem

The utility model aims to provide a sampling urine collector, which can set the sampling amount, is convenient for medical staff to operate by one hand, and has high efficiency, convenience and fastness in sampling and is not easy to miss.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The sampling urine collector comprises a liquid collecting pipe, a threaded cylinder and a piston rod, wherein the liquid collecting pipe is a hollow cylinder, one end of the liquid collecting pipe is provided with a sampling port, and the other end of the liquid collecting pipe is provided with an internal thread; the thread cylinder is of a cylindrical structure, annular upper plates and annular bottom plates are arranged at two ends of the thread cylinder in parallel, external threads are arranged on the periphery of the thread cylinder, and the external threads are matched with the internal threads; the piston rod comprises a pushing handle, a rod body and a piston, the piston is in sealing connection with the inner wall of the liquid collecting pipe and in sliding fit with the liquid collecting pipe, the rod body penetrates through the threaded cylinder, a baffle ring is arranged in the middle of the rod body and located in the threaded cylinder, and a spring is sleeved on the rod body.

Preferably, the spring is located in the threaded cylinder, two ends of the spring are respectively abutted against the baffle ring and the bottom plate, and the baffle ring is propped against the upper plate to be contacted under the elasticity of the spring.

Preferably, the liquid collecting tube is made of transparent materials, finger rings are symmetrically arranged on two sides of the upper portion of the liquid collecting tube, and graduation marks are arranged on the outer peripheral surface of the liquid collecting tube along the axis direction.

(III) beneficial effects

According to the sampling urine collector disclosed by the utility model, the position of the threaded cylinder in the liquid collecting pipe is changed by adjusting the screwing relation of the internal thread and the external thread, the sampling amount is set, the spring is compressed by one hand, the piston moves down to the limit position and then releases the pushing handle, the spring stretches to drive the piston to move up, negative pressure is generated in the liquid collecting pipe, urine is sucked into and fills the space at the lower part of the piston, the sampling process is operated by one hand, the use is convenient, the piston is not easy to slide down after sampling, and pollution caused by urine omission is avoided.

Drawings

The technical solution of the present utility model and its advantageous effects will be made apparent by the following detailed description of the specific embodiments of the present utility model with reference to the accompanying drawings.

FIG. 1 is a schematic view of a sample urine collector according to the present utility model;

FIG. 2 is a schematic view of a partially cut-away structure of the present utility model;

FIG. 3 is a schematic view of a piston rod according to the present utility model;

Fig. 4 is a schematic view of a screw thread cylinder according to the present utility model.

In the figure: 10. a liquid collecting pipe; 11. a sampling port; 12 internal threads; 13. a finger ring; 20. a thread cylinder; 21. an upper plate; 22. a bottom plate; 23. an external thread; 24. a flange; 30. a piston rod; 31. a push handle; 32. a rod body; 33. a piston; 34. a baffle ring; 35. and (3) a spring.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application; all other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.

The sampling urine collector comprises a liquid collecting tube 10, a threaded cylinder 20 and a piston rod 30, wherein the liquid collecting tube 10 is a hollow cylinder, one end of the liquid collecting tube is provided with a sampling port 11, and the other end of the liquid collecting tube is provided with an internal thread 12; the threaded cylinder 20 is of a cylindrical structure with two open ends, and annular upper plates 21 and bottom plates 22 are arranged at the two ends in parallel; the upper end of the thread cylinder 20 is outwards extended to form an annular flange 24, knurling is arranged on the side wall of the flange 24, external threads 23 are arranged on the periphery of the thread cylinder 20, and the external threads 23 are matched with the internal threads 12; the lower end of the threaded cylinder 20 is positioned in the inner cavity of the liquid collecting pipe 10; the threaded cylinder 20 adjusts the position relation with the liquid collecting pipe 10 through the rotation fit of threads; the piston rod 30 comprises a push handle 31, a rod body 32 and a piston 33, the piston 33 is in sealing connection with the inner wall of the liquid collecting tube 10 and in sliding fit, two ends of the rod body 32 penetrate through the threaded cylinder 20, a baffle ring 34 is arranged in the middle of the rod body 32 and is positioned in the threaded cylinder 20, and a spring 35 is arranged between the rod body 32 and the threaded cylinder 20.

Further, the spring 35 is sleeved on the rod body 32, two ends of the spring 35 are respectively abutted against the baffle ring 34 and the bottom plate 22, and the baffle ring 34 is propped against the upper plate 21 under the elasticity of the spring 35.

The liquid collecting tube 10 is made of transparent materials, finger rings 13 are symmetrically arranged on two sides of the upper portion of the liquid collecting tube 10, and scale marks are arranged on the outer peripheral surface of the liquid collecting tube 10 along the axis direction.

Before use, the sampling amount is set, the length of the threaded cylinder 20 extending into the inner cavity of the liquid collecting pipe 10 is adjusted through the rotary flange 24, the position of the piston 33 is changed along with the length, the space of the liquid collecting cavity 10 at the lower part of the piston 33 is the effective volume, and the effective volume is consistent with the required sampling amount through observing scale marks.

When the urine collecting tube 10 is used, the finger is used for hooking the finger ring 13, the pushing handle 31 is pushed, the spring 35 is further compressed, the piston 33 slides downwards in the liquid collecting tube 10 until reaching the limit position, the sampling port 11 is inserted into a container filled with urine of a patient, the pushing handle 31 is loosened, the spring 35 stretches to push the baffle ring 34, the rod body 32 and the piston 33 are driven to move upwards synchronously, negative pressure is generated in the liquid collecting tube 10, the urine enters the liquid collecting tube 10 along the sampling port 11, after the baffle ring 34 is propped up to be in contact with the upper plate 21 under the elasticity of the spring 35, the piston rod 30 stops moving, and the space below the piston 33 is filled with the urine.

When urine needs to be added into the detection equipment, the pushing handle 31 is pushed, so that the urine in the liquid collecting tube 10 drops from the sampling port 11, and the operation is simple and the use is convenient.

The foregoing is only the embodiments of the present application, and therefore, the patent scope of the application is not limited thereto, and all equivalent structures or equivalent processes using the descriptions of the present application and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the application.

Claims

1. The sampling urine collector is characterized by comprising a liquid collecting tube (10), a threaded cylinder (20) and a piston rod (30), wherein the liquid collecting tube (10) is a hollow cylinder, one end of the liquid collecting tube (10) is provided with a sampling port (11), and the other end of the liquid collecting tube is provided with an internal thread (12); the thread cylinder (20) is of a cylindrical structure, annular upper plates (21) and annular bottom plates (22) are arranged at two ends of the thread cylinder in parallel, external threads (23) are arranged on the periphery of the thread cylinder (20), and the external threads (23) are matched with the internal threads (12); the piston rod (30) comprises a pushing handle (31), a rod body (32) and a piston (33), wherein the piston (33) is in sealing connection with the inner wall of the liquid collecting pipe (10) and is in sliding fit, two ends of the rod body (32) penetrate through the threaded cylinder (20), a baffle ring (34) is arranged in the middle of the rod body (32), the baffle ring (34) is located in the threaded cylinder (20), and a spring (35) is sleeved on the rod body (32).

2. A sampling urine collector as claimed in claim 1, wherein the spring (35) is located in the screw barrel (20), two ends of the spring (35) are respectively abutted against the baffle ring (34) and the bottom plate (22), and the baffle ring (34) is propped against the upper plate (21) under the elasticity of the spring (35).

3. The sampling urine collector according to claim 1 or 2, wherein the liquid collecting tube (10) is made of transparent materials, finger rings (13) are symmetrically arranged on two sides of the upper portion of the liquid collecting tube (10), and graduation marks are arranged on the outer peripheral surface of the liquid collecting tube (10) along the axis direction.