CN210170082U

CN210170082U - Body fluid sampler

Info

Publication number: CN210170082U
Application number: CN201920424869.7U
Authority: CN
Inventors: 王鲜; 李英琦; 赵粟
Original assignee: Guizhou Medical University
Current assignee: Guizhou Medical University
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-03-24
Anticipated expiration: 2029-03-29

Abstract

The utility model belongs to human medical instrument field, concretely relates to body fluid sampler. The suction tube comprises a horizontally arranged barrel body, a horizontally arranged negative pressure tube and a suction port, wherein one end of the barrel body is communicated with the suction port, one end of the suction port is far away from the barrel body is communicated with one end of the negative pressure tube, the inner wall of the barrel body is connected with the outer wall of the negative pressure tube, one end of the negative pressure tube is far away from the barrel body is communicated with a negative pressure device, and a middle section body liquid storage device capable of storing middle section body liquid is arranged in the barrel body. The utility model discloses a sample collection to the middle section body fluid of body fluid. The interference of front-section body fluid and tail-section body fluid in body fluid is avoided, the quality of collected body fluid is improved, and the accuracy of the final detection result is ensured.

Description

Body fluid sampler

Technical Field

The utility model belongs to human medical instrument field, concretely relates to body fluid sampler.

Background

Currently, in the treatment of animals or humans, it is often necessary to extract body fluids of the animal or human body and then to specify the correct treatment regimen by analyzing the results of the body fluids. In the prior art, the liquid extraction of eyes, ears, nose, pharynx, throat and other parts is mainly performed by a syringe. Although the syringe is simple and convenient to operate, the automatic collection of the body fluid cannot be realized in the process of extracting the body fluid. Moreover, due to the particularity of body fluids, body fluids are divided into front-stage body fluids, middle-stage body fluids and tail-stage body fluids. Thereby the accuracy that the forepart body fluid solution received the interference of impurity to influence the detection, the last section of tail section body fluid owing to be the body fluid, thereby also receive the interference of other materials easily and influence the accuracy. The middle-section body fluid is in the middle section of body fluid extraction, so that the quality is best, the possibility of interference is low, and the accuracy of the final detection result can be greatly improved. The existing extraction method cannot effectively extract the middle-stage body fluid of the body fluid, so that the accuracy of the final detection result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem and provide an easy operation, can realize the automatic collection of body fluid and can draw the body fluid sampler of middle section body fluid.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a body fluid sampler, includes barrel, the negative pressure pipe and the suction inlet of level setting that the level set up, the one end of barrel with the suction inlet intercommunication, the barrel is kept away from the one end of suction inlet with the one end intercommunication of negative pressure pipe, the inner wall of barrel with the outer wall connection of negative pressure pipe, the negative pressure pipe is kept away from the one end and the negative pressure device intercommunication of barrel, be equipped with the midrange body liquid storage device that can save the midrange body fluid in the barrel.

The utility model has the advantages that: the suction port of the body fluid sampler is placed at a designated place, then the negative pressure device is started, negative pressure is generated in the cylinder, body fluid enters the cylinder along with the suction port and is heavy, and when the body fluid begins to enter the negative pressure tube, the negative pressure device is closed. The middle section body fluid of body fluid is stored in middle section body fluid storage device, has realized the sample collection to the middle section body fluid of body fluid. The interference of front-section body fluid and tail-section body fluid in body fluid is avoided, the quality of collected body fluid is improved, and the accuracy of the final detection result is ensured.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the middle-section body fluid storage device comprises a vertically arranged water stop ring A, a vertically arranged water stop ring B, a piston and a horizontally arranged baffle plate, wherein the water stop ring A and the water stop ring B are oppositely arranged and are both arranged on the inner wall of the barrel body, the baffle plate is arranged between the water stop ring A and the water stop ring B, one end of the baffle plate is connected with the side wall of the water stop ring B, and the length of the baffle plate is smaller than the distance between the water stop ring A and the water stop ring B;

the side wall of the cylinder body is provided with an opening, the piston is detachably connected with the opening, and the opening is arranged opposite to the baffle plate.

Adopt the beneficial effect of above-mentioned further scheme to be when the body fluid enters into a section of thick bamboo weight through the suction inlet, the body fluid at first enters into the clearance between stagnant water ring A and the stagnant water ring B through the through-hole on the stagnant water ring A in, then flows away through the through-hole on the stagnant water B. And finally stopping the negative pressure adsorption of the negative pressure device when the body fluid enters the negative pressure pipe, wherein at the moment, the body fluid at the front section of the body fluid leaves the water stop ring B and enters the negative pressure pipe, and the body fluid at the tail section of the body fluid does not enter the water stop ring A, so that the body fluid stored in the semi-closed storage space formed by the water stop ring A, the baffle plate and the water stop ring B is the body fluid at the middle section. And opening the piston, and taking out the middle-section body fluid for detection. The accuracy of detection is greatly improved.

Further, the radius of the through hole of the water stop ring A is smaller than that of the through hole of the water stop ring B.

The beneficial effect of adopting the further scheme is that the radius of the through hole of the water stop ring A is smaller than that of the through hole of the water stop ring B, so that the body fluid flows from a small space to a large space, and the fluidity of the body fluid is enhanced.

Further, the piston is in threaded connection with the cylinder.

Adopt above-mentioned further scheme's beneficial effect be, piston and opening can enough keep the leakproofness, have convenient dismantlement.

Further, the negative pressure device is an air bag.

Adopt above-mentioned further scheme's beneficial effect to be, before the sample body fluid, press the gasbag, collect the body fluid through the negative pressure that the gasbag produced, with low costs and convenient and fast.

Further, the negative pressure device is a negative pressure aspirator.

The beneficial effect of adopting the further scheme is that the utility model discloses a portable aspirator of SX-IV that five looks instruments and meters Limited company produced in Shanghai, convenient and fast.

Further, a handle is arranged on the outer wall of the barrel body.

The beneficial effect of adopting the further scheme is that the body fluid collection process is more convenient to be carried out through the handle.

Further, the diameter of the suction port is smaller than that of the cylinder.

Adopt above-mentioned further scheme's beneficial effect to be for it is heavy that body fluid can more swiftly enter into the barrel through the suction inlet.

Drawings

Fig. 1 is a schematic structural view of a belted bag of the present invention;

fig. 2 is a schematic structural view of the vacuum extractor of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the vacuum suction device comprises a cylinder body, 2 parts of a suction port, 3 parts of a handle, 4 parts of a negative pressure pipe, 5 parts of a piston, 6 parts of an air bag, water stop rings A and 8, water stop rings B and 9, a baffle plate, 10 parts of a negative pressure suction device.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples 1,

As shown in figure 1, a body fluid sampler comprises a horizontally arranged cylinder body 1, a horizontally arranged negative pressure pipe 4 and a suction port 2, wherein one end of the cylinder body 1 is communicated with the suction port 2, one end of the cylinder body 1, which is far away from the suction port 2, is communicated with one end of the negative pressure pipe 4, the inner wall of the cylinder body 1 is fixedly connected with the outer wall of the negative pressure pipe 4, one end of the negative pressure pipe 4, which is far away from the cylinder body 1, is communicated with a negative pressure device, and a middle section body fluid storage device capable of storing middle section body fluid is arranged in the cylinder body 1.

Specifically, the middle-section body fluid storage device comprises a vertically arranged water stop ring A7, a vertically arranged water stop ring B8, a piston 5 and a horizontally arranged baffle plate 9, wherein the water stop ring A7 and the water stop ring B8 are oppositely arranged and are both arranged on the inner wall of the barrel body 1, the baffle plate 9 is arranged between the water stop ring A7 and the water stop ring B8, one end of the baffle plate 9 is connected with the side wall of the water stop ring B8, and the length of the baffle plate 9 is smaller than the distance between the water stop ring A7 and the water stop ring B8;

the side wall of the cylinder body 1 is provided with an opening, the piston 5 is detachably connected with the opening, and the opening is opposite to the baffle plate 9.

Specifically, the radius of the through hole of the water stop ring a7 is smaller than the radius of the through hole of the water stop ring B8. The piston 5 is in threaded connection with the cylinder 1.

Specifically, the negative pressure device is an air bag 6. The outer wall of the cylinder body 1 is provided with a handle 3, and the diameter of the suction port 2 is smaller than that of the cylinder body 1.

The specific implementation mode is that the air bag 6 is squeezed firstly, then the handle 3 is held by hand to send the suction port 2 to a designated part of a human body, then the air bag 6 is loosened slowly, the body fluid enters the barrel body 1 from the suction port 2, when the body fluid reaches the negative pressure pipe 4 through the water stop ring A7 and the water stop ring B8 in the barrel body 1 in sequence, the air bag 6 is kept in a constant volume state, then the piston 5 is opened, and the liquid in the semi-closed space formed by the water stop ring A7, the water stop ring B8 and the baffle plate 9 is taken out, so that the middle-section body fluid of the body fluid is obtained.

Examples 2,

As shown in fig. 2, the difference from embodiment 1 is that the negative pressure device is a negative pressure aspirator 10. The entering state of the body fluid is controlled by the negative pressure aspirator 10.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a body fluid sampler, its characterized in that, negative pressure pipe (4) and suction inlet (2) that barrel (1), level that set up including the level set up, the one end of barrel (1) with suction inlet (2) intercommunication, barrel (1) is kept away from the one end of suction inlet (2) with the one end intercommunication of negative pressure pipe (4), the inner wall of barrel (1) with the outer wall sealing connection of negative pressure pipe (4), negative pressure pipe (4) are kept away from the one end and the negative pressure device intercommunication of barrel (1), be equipped with the midrange body liquid storage device that can save the midrange body fluid in barrel (1).

2. The body fluid sampler of claim 1, wherein the middle body fluid storage device comprises a vertically arranged water stop ring A (7), a vertically arranged water stop ring B (8), a piston (5) and a horizontally arranged baffle plate (9), wherein the water stop ring A (7) and the water stop ring B (8) are arranged oppositely and are both arranged on the inner wall of the barrel (1), the baffle plate (9) is arranged between the water stop ring A (7) and the water stop ring B (8), one end of the baffle plate (9) is connected with the side wall of the water stop ring B (8), and the length of the baffle plate (9) is smaller than the distance between the water stop ring A (7) and the water stop ring B (8);

the side wall of the cylinder body (1) is provided with an opening, the piston (5) is detachably connected with the opening, and the opening is opposite to the baffle plate (9).

3. Body fluid sampler according to claim 2, characterized in that the radius of the through-hole of the water stop ring a (7) is smaller than the radius of the through-hole of the water stop ring B (8).

4. A body fluid sampler according to claim 2, characterized in that the piston (5) is screwed to the barrel (1).

5. A body fluid sampler according to claim 1, characterized in that the negative pressure means is a balloon (6).

6. A body fluid sampler according to claim 1 wherein the negative pressure device is a negative pressure aspirator (10).

7. A body fluid sampler according to any of claims 1 to 6 wherein the outer wall of the barrel (1) is provided with a handle (3).

8. A body fluid sampler according to any of claims 1 to 6 wherein the diameter of the suction opening (2) is smaller than the diameter of the barrel (1).