CN207610890U - A medical test sampling device - Google Patents

Abstract

The utility model discloses a kind of medical test samplers, including decompression cabinet, the first connecting tube, sampler, drawdown pump and cleaning fluid tank；The right end of decompression cabinet is connect by snorkel with drawdown pump, and the left end of decompression cabinet is connect by woven hose with cleaning fluid tank, and the lower end of decompression cabinet is connect by the first connecting tube with sampler；Sampler includes that the second connecting tube, sampling funnel, probe tube and sample connection, the upper end of the second connecting tube are connect with the lower end of the first connecting tube successively from top to bottom, and liquid flow sensor is provided on the madial wall of probe tube；Sample connection capping includes sleeve and connecting plate, and the upper end of connecting plate is provided with protrusion, and sleeve is placed with sample connection, and raised detachable card is located in the groove of probe tube lateral wall.Compared with prior art, the utility model has the beneficial effects that the entrance of air can be avoided effectively；Volume can be accurately controlled；The mutual pollution of solution can effectively be avoided；It can prevent solution suck-back.

Description

A medical test sampling device

technical field

The utility model relates to the technical field of medical equipment, in particular to a medical inspection sampling device.

Background technique

At present, liquids are often sampled in the field of medical testing. The commonly used sampling device is composed of a glass straw and an air bag installed on the upper end of the glass straw. However, the existing sampling device has the following disadvantages: the solution is easily It is sucked into the air bag; the liquid is not quantitative, and it needs to be used with a graduated cylinder; and when the solution is drawn, it is easy to mix with air and pollute the detection solution.

Utility model content

The purpose of the utility model is to provide a medical test sampling device for the above-mentioned problems existing in the existing medical test sampling device. The medical inspection sampling device can effectively avoid the infiltration of air during the process of extracting the detection solution; it can quantitatively sample, avoiding the use of measuring cylinders; and avoiding the solution sucking back.

In order to achieve the above purpose, the technical solution adopted in this application is: a medical test sampling device, including a decompression tank, a first connecting pipe, a sampling device, a decompression pump and a cleaning solution tank;

The upper end of the decompression box is provided with a controller, the front end of the decompression box is provided with a display screen, the right end of the decompression box is connected to the decompression pump through a vent pipe, and the vent pipe is provided with a first electric valve , the left end of the decompression tank is connected to the cleaning solution tank through the infusion pipe, and the second electric valve and the water pump are arranged on the infusion pipe, and the second electric valve, the water pump, the first electric valve and the display screen are all It is electrically connected with the controller, and the lower end of the decompression box is connected with the sampling device through the first connecting pipe;

The sampling device includes a second connecting pipe, a sampling funnel, a sampling pipe, and a sampling joint whose inner chambers communicate with each other in order from top to bottom, the upper end of the second connecting pipe is threadedly connected with the lower end of the first connecting pipe, and the sampling A liquid flow sensor is provided on the inner wall of the tube, the liquid flow sensor is electrically connected to the controller, a groove is opened on the outer wall of the sampling tube, and a sampling joint cover is sleeved on the sampling joint;

The sampling joint cover includes a sleeve and a connecting plate fixedly connected to the sleeve. A protrusion is fixedly arranged on the upper end of the connecting plate, and the sampling joint is placed on the sleeve. in the slot.

Further, the controller, the display screen, the first electric valve, the second electric valve, the water pump and the liquid flow sensor are all connected to an external power source.

Further, a rubber sleeve is provided at the joint between the first connecting pipe and the second connecting pipe.

Further, the bottom end of the sleeve is fixedly provided with a rubber pad.

Further, the cleaning solution tank contains disinfectant or distilled water.

Further, the materials of the first connecting pipe and the sampling device are both plastic.

Further, there are multiple decompression tanks, first connecting pipes and sampling devices, and the numbers of the decompression tanks, first connecting pipes and sampling devices are equal.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The decompression pump pumps air to the utility model, and cooperates with the sampling joint capping to prevent air from entering the detection solution during the sampling process;

(2) The controller, the liquid flow sensor and the display screen can observe the volume of the liquid in the sampling device in real time, omitting the use of the measuring cylinder.

(3) Multiple decompression boxes, the first connecting pipe and the sampling device are used together to take multiple samples at the same time.

(4) After use, the sampling device is cleaned through the cleaning solution tank, which can avoid mutual contamination between detection solutions.

(5) The sampling funnel can effectively avoid sucking back the solution in the sampling device.

Description of drawings

Fig. 1 is the structural representation of a kind of medical inspection sampling device of the utility model embodiment;

Fig. 2 is a schematic structural view of a sampling device of a medical inspection sampling device according to an embodiment of the present invention;

Fig. 3 is a schematic structural view of a sampling joint cover of a medical testing sampling device according to an embodiment of the present invention;

In the figure: 1. Decompression box; 2. First connecting pipe; 3. Sampling device; 3-1. Second connecting pipe; 3-2. Sampling funnel; 3-3. Sampling pipe; 3-4. Sampling joint ;4, decompression pump; 5, cleaning liquid tank; 6, rubber sleeve; 7, ventilation pipe; 8, infusion tube; 9, the first electric valve; 10, the second electric valve; -1. Sleeve; 11-2. Connecting plate; 11-3. Protrusion; 11-4. Rubber pad; 12. Liquid flow sensor; 13. Groove.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. , based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model, rather than Any indication or implication that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should not be construed as limiting the invention.

As shown in Figure 1, the utility model embodiment provides a kind of medical examination sampling device, comprises decompression box 1, first connecting pipe 2, sampling device 3, decompression pump 4 and cleaning solution tank 5;

The upper end of the decompression box 1 is provided with a controller, the front end of the decompression box 1 is provided with a display screen, and the right end of the decompression box 1 is connected with the decompression pump 4 through the vent pipe 7, and the vent pipe 7 is provided with a first electric valve 9, The left end of the decompression box 1 is connected with the cleaning liquid tank 5 through the infusion tube 8, and the cleaning liquid tank 5 is filled with disinfectant or distilled water. The infusion tube 8 is provided with a second electric valve 10 and a water pump, and the second electric valve 10, the water pump, the first electric valve 9 and the display screen are all electrically connected to the controller, and the controller, the display screen, the first electric valve 9. The second electric valve 10, the water pump and the liquid flow sensor 12 are all connected to an external power source. The lower end of the decompression box 1 is connected with the sampling device 3 through the first connecting pipe 2 . The user closes the second electric valve 10, opens the first electric valve 9, starts the decompression pump 4, and the decompression pump 4 pumps the air in the decompression box 1, the first connecting pipe 2 and the sampling device 3, and then the user will sample The device is placed in the solution to be sampled, and due to the effect of pressure, the solution to be sampled enters the sampling device. And because the sampling device is provided with a liquid flow sensor 12, the liquid flow sensor 12 transmits the volume of the liquid in the sampling device to the controller in real time, and displays it on the display screen, which is convenient for the user to observe in real time and achieve quantitative measurement. Take the test solution, avoiding the use of graduated cylinders. When the amount of solution in the sampling device 3 reaches the demand, the controller will control the first electric valve 9 to close, if the user no longer needs to use the utility model or needs to use the utility model to take other types of detection solutions, the user The utility model will be cleaned. The cleaning process is as follows: the user closes the first electric valve 9, opens the second electric valve 10, starts the water pump, and the disinfectant or distilled water in the cleaning liquid tank 5 will be delivered to the decompression tank 1 through the infusion tube 8 by the water pump. In the first connecting pipe 2 and the sampling device 3, they are cleaned, so that mutual contamination among the detection solutions can be avoided.

As shown in Fig. 2, the sampling device 3 comprises a second connecting pipe 3-1, a sampling funnel 3-2, a sampling tube 3-3 and a sampling joint 3-4 in which the inner cavity communicates with each other successively from top to bottom. The upper end of the connecting pipe 3-1 is threadedly connected to the lower end of the first connecting pipe 2, which is convenient for selecting sampling devices with different volumes according to actual needs. The connection between the first connecting pipe 2 and the second connecting pipe 3-1 is provided with a rubber sleeve 6, and the rubber sleeve 6 further seals the connection, in order to ensure that the decompression pump 4 can smoothly extract the air in the sampling device 3, The resulting pressure difference is convenient for later sampling. The inner wall of the sampling tube 3-3 is provided with a liquid flow sensor 12, the liquid flow sensor 12 is electrically connected to the controller, and the liquid flow sensor 12 monitors the volume of the solution entering the sampling device 3 in real time, and gives real-time feedback to The controller, the controller displays the data on the display screen, which is convenient for the user to observe in real time, and determines the volume of the solution to be taken according to the actual situation, avoiding the use of measuring cylinders. The outer wall of the sampling tube 3-3 is provided with a groove 13 and the sampling joint 3-4 is sleeved with a sampling joint cover 11;

As shown in Figure 3, the sampling joint cover 11 includes a sleeve 11-1 and a connecting plate 11-2 fixedly connected to the sleeve 11-1, the upper end of the connecting plate 11-2 is fixedly provided with a protrusion 11-3, and the sleeve The cylinder 11-1 is placed with a sampling joint 3-4, and the bottom end of the sleeve 11-1 is fixedly provided with a rubber pad 11-4, which can ensure that the liquid inlet of the sampling joint 3-4 is completely blocked. The protrusion 11-3 is detachably clamped in the groove 13. When using the utility model, first put the sampling joint cover 11 on the sampling joint 3-4, and fit the protrusion 11-3 in the groove 13; then, the user closes the second electric valve 10 and opens the second electric valve. An electric valve 9, and start the pressure reducing valve 4, and the sampling joint 3-4 is penetrated into the solution to be taken; finally, the protrusion 11-3 is taken out from the groove 13, and the sampling joint cover 11 is moved downward, At this time, the solution to be taken will be pressed into the sampling device 3 due to the effect of pressure, and the sampling funnel 3-2 of the sampling device 3 can prevent the solution from entering the decompression box 1 .

As a preferred solution of this embodiment, the materials of the first connecting pipe 2 and the sampling device 3 are both plastic. Avoid breakage.

As another preferred solution of this embodiment, there are multiple decompression tanks 1 , first connecting pipes 2 and sampling devices 3 , and the numbers of decompression tanks 1 , first connecting pipes 2 and sampling devices 3 are equal. In this embodiment, there are three decompression boxes 1, first connecting pipes 2 and sampling devices 3, and three samples can be taken at the same time.

In summary, the utility model can effectively prevent air from entering the sampling solution; can accurately control the volume of the sampling solution; can effectively avoid mutual contamination of the sampling solutions; and can prevent the solution from sucking back.

The above disclosures are only preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any changes conceivable by those skilled in the art should fall within the protection scope of the present utility model.

Claims (7)

1. A sampling device for medical examination, characterized in that it comprises a decompression tank (1), a first connecting pipe (2), a sampling device (3), a decompression pump (4) and a cleaning solution tank (5); The upper end of the decompression box (1) is provided with a controller, the front end of the decompression box (1) is provided with a display screen, and the right end of the decompression box (1) is connected to the decompression pump ( 4) connection, the ventilation pipe (7) is provided with a first electric valve (9), the left end of the decompression tank (1) is connected with the cleaning solution tank (5) through the infusion tube (8), the infusion The pipe (8) is provided with a second electric valve (10) and a water pump, and the second electric valve (10), the water pump, the first electric valve (9) and the display screen are all electrically connected to the controller. The lower end of the decompression box (1) is connected with the sampling device (3) by the first connecting pipe (2); The sampling device (3) comprises, from top to bottom, a second connecting pipe (3-1), a sampling funnel (3-2), a sampling tube (3-3) and a sampling connector (3-4) in which the inner cavity communicates with each other. ), the upper end of the second connecting pipe (3-1) is threadedly connected to the lower end of the first connecting pipe (2), and the inner wall of the sampling pipe (3-3) is provided with a liquid flow sensor (12), The liquid flow sensor (12) is electrically connected to the controller, a groove (13) is opened on the outer wall of the sampling tube (3-3), and a sampling joint (3-4) is sleeved with a sampling Joint cover (11); The sampling joint cover (11) includes a sleeve (11-1) and a connecting plate (11-2) fixedly connected to the sleeve (11-1), and the upper end of the connecting plate (11-2) is fixedly arranged There is a protrusion (11-3), a sampling joint (3-4) is placed in the sleeve (11-1), and the protrusion (11-3) is detachably clamped in the groove (13). 2. A kind of medical examination sampling device as claimed in claim 1, is characterized in that, described controller, display screen, first electric valve (9), second electric valve (10), suction pump and liquid flow sensor (12) are all connected with external power supply. 3. A medical test sampling device according to claim 1, characterized in that a rubber sleeve (6) is provided at the connection between the first connecting pipe (2) and the second connecting pipe (3-1). 4. A medical test sampling device according to claim 1, characterized in that a rubber pad (11-4) is fixedly provided at the bottom end of the sleeve (11-1). 5. A kind of medical inspection sampling device as claimed in claim 1, characterized in that, disinfectant or distilled water is filled in the cleaning liquid tank (5). 6. A medical test sampling device as claimed in claim 1, characterized in that, the materials of the first connecting pipe (2) and the sampling device (3) are both plastic. 7. A kind of medical examination sampling device as claimed in claim 1, is characterized in that, described decompression tank (1), first connecting pipe (2) and sampling device (3) have a plurality of, and described decompression The numbers of the pressure box (1), the first connecting pipe (2) and the sampling device (3) are equal.