CN207024068U - A kind of sampling apparatus for pleural effusion - Google Patents

Abstract

The utility model discloses a sampling device for pleural effusion, which comprises a drainage bag and a drainage channel for connecting the drainage bag with the chest cavity of a human body. The drainage channel includes a thin drainage tube with an outer diameter 10mm coarse drainage tube, the coarse drainage tube includes a first coarse drainage tube and a second coarse drainage tube, the first coarse drainage tube communicates with the second coarse drainage tube through a three-way valve, and the first coarse drainage tube One end of the tube communicates with the upper end of the drainage bag, the other end of the first coarse drainage tube communicates with the first tapered joint of the three-way valve, and one end of the second coarse drainage tube communicates with the second end of the three-way valve. The conical joints are connected, and the third conical joint of the three-way valve is covered with an antifouling cover, and the other end of the second thick drainage tube is communicated with one end of the thin drainage tube through the fourth conical joint. , the other end of the thin drainage tube communicates with the chest cavity of the human body, a liquid outlet pipe is arranged at the lower end of the drainage bag, and a liquid outlet valve is arranged on the liquid outlet pipe.

Description

A sampling device for pleural effusion

technical field

The utility model relates to the technical field of sampling devices, in particular to a sampling device for pleural effusion.

Background technique

After the operation, there is effusion in the patient's body or deep in the surgical site, which needs to be drained with a tube to prevent infection. After intubation, the connector of the drainage bag is connected to the intubation tube, and the effusion is drained into the transparent bag. After a certain amount of liquid, open the liquid outlet valve to discharge the liquid from the liquid outlet pipe.

The drainage bag used for pleural effusion in the prior art has the following disadvantages. 1. In the process of use, the patient accidentally or foreign matter presses the drainage bag, which can easily lead to backflow of the liquid in the drainage bag, causing infection and even affecting the recovery of the patient; 2. The outer diameter of the entire drainage tube is the same, relatively thick, and it extends into the human chest and has a large contact surface with the human body, which is likely to cause damage to the surgical site and make the patient feel uncomfortable; 3. When sampling, it is necessary to The drainage tube is pulled out from the drainage bag, and then plugged into the sampling tube for sampling. This structure not only improves the complexity of the operation of the medical staff, but also easily pollutes the joint of the drainage tube, which is not conducive to the recovery of the patient. .

However, in view of the deficiencies of the existing technology, it is necessary for the developer to develop a device with reasonable design and simple structure, which can avoid the backflow of the liquid flowing into the drainage bag, reduce the contact area with the chest cavity, reduce the discomfort of the patient, and reduce the pain of the patient. Painful, healthcare provider-friendly sampling device for pleural effusions.

Utility model content

In order to solve the problems existing in the prior art, the purpose of this utility model is to provide a device with reasonable design and simple structure, which can avoid the backflow of the liquid flowing into the drainage bag, reduce the contact area with the chest cavity, reduce the discomfort of the patient, and relieve The pain of the patient, the sampling device for pleural effusion that is easy for the medical staff to operate.

In order to solve the above technical problems, the utility model is realized by adopting the following technical solutions:

A sampling device for pleural effusion, comprising a drainage bag and a drainage channel for connecting the drainage bag with the chest cavity of a human body, characterized in that the drainage channel includes a fine drainage tube with an outer diameter of less than 2.0mm and a drainage tube with an outer diameter greater than 10mm The coarse drainage tube, the coarse drainage tube includes a first coarse drainage tube and a second coarse drainage tube, the first coarse drainage tube communicates with the second coarse drainage tube through a three-way valve, and the first coarse drainage tube One end of the first coarse drainage tube communicates with the upper end of the drainage bag, the other end of the first coarse drainage tube communicates with the first conical joint of the three-way valve, one end of the second coarse drainage tube communicates with the second cone of the three-way valve The third conical joint of the three-way valve is covered with an antifouling cover, and the other end of the second thick drainage tube communicates with one end of the thin drainage tube through the fourth conical joint. The other end of the thin drainage tube communicates with the chest cavity of the human body, a liquid outlet pipe is provided at the lower end of the drainage bag, and a liquid outlet valve is arranged on the liquid outlet pipe.

In a preferred embodiment of the present invention, a one-way valve is provided on the first coarse drainage tube.

In a preferred embodiment of the present utility model, on the outer peripheral surfaces of the first conical joint, the second conical joint, the third conical joint and the fourth conical joint, several Concave limit steps.

In a preferred embodiment of the present invention, a scale is provided on the drainage bag.

In a preferred embodiment of the present utility model, hanging ears are also provided on the upper end of the drainage bag.

Compared with the prior art, the utility model is equipped with a one-way valve on the first coarse drainage tube, and the setting of the one-way valve can effectively prevent the backflow of the liquid flowing into the drainage bag; the utility model has an outer diameter smaller than 2.0mm thin drainage tube, the setting of the thin drainage tube reduces the contact area with the chest cavity, relieves the patient's discomfort and pain; the utility model is equipped with a three-way valve, when sampling, the sampling tube and the three-way valve The third conical joint of the three-way valve is connected with the third conical joint, and then the switching switch provided on the three-way valve is manually controlled, so that the first conical joint of the three-way valve is connected with the third conical joint, which is convenient for medical personnel to perform sampling.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the utility model.

FIG. 2 is an enlarged view of A in FIG. 1 .

FIG. 3 is an enlarged view of B in FIG. 1 .

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific illustrations.

Referring to FIGS. 1-3 , a sampling device for pleural effusion shown in the figures includes a drainage bag 100 and a drainage channel for connecting the drainage bag 100 and the chest cavity of a human body.

The drainage channel includes a thin drainage tube 300 with an outer diameter of less than 2.0 mm and a thick drainage tube 200 with an outer diameter greater than 10 mm. The thick drainage tube 200 includes a first thick drainage tube 210 and a second thick drainage tube 220. The first thick drainage tube 210 passes through The three-way valve 500 communicates with the second coarse drainage tube 220, one end of the first coarse drainage tube 210 communicates with the upper end of the drainage bag 100, and the other end of the first coarse drainage tube 210 communicates with the first taper of the three-way valve 500. The joint 510 is in communication, and one end of the second coarse drainage tube 220 is in communication with the second tapered joint 520 of the three-way valve 500 .

An anti-contamination cover 550 is provided on the third conical joint 530 of the three-way valve 500, which effectively prevents the third conical joint 530 of the three-way valve 500 from being polluted when it is not connected with the sampling tube, which is conducive to the recovery of patients .

The other end of the second thick drainage tube 220 communicates with one end of the thin drainage tube 300 through the fourth tapered joint 310, the fourth tapered joint 310 is arranged on the thin drainage tube 300, and the other end of the thin drainage tube 300 is connected to the chest cavity of the human body. In communication with each other, a liquid outlet pipe 400 is provided at the lower end of the drainage bag 100 , and a liquid outlet valve 410 is provided on the liquid outlet pipe 400 .

A one-way valve 211 is provided on the first coarse drainage tube 210, and the setting of the one-way valve 211 can effectively prevent the liquid flowing into the drainage bag from backflowing.

On the outer peripheral surfaces of the first conical joint 510, the second conical joint 520, the third conical joint 530 and the fourth conical joint 310, there are a number of concave limit steps 511, 521, 531, 311.

A scale 110 is provided on the drainage bag 100, which is convenient for medical personnel to observe the volume of liquid flowing into the drainage bag 100, and improves the practical performance of the sampling device.

Hanging lugs 120, 130 are also provided on the upper end of the drainage bag 100. The setting of the hanging lugs 120, 130 facilitates hanging and carrying of the drainage bag 100, further improving the practical performance of the device.

When sampling is required, the antifouling cover 550 that is located on the third conical joint 530 of the three-way valve 500 is removed, and then the sampling tube is connected with the third conical joint 530 of the three-way valve 500, and the medical staff manually Control the switching switch 540 arranged on the three-way valve 500, so that the second conical joint 520 of the three-way valve 500 is connected with the third conical joint 530, which is convenient for the medical staff to perform sampling. After the sampling is completed, the medical staff can pass through the Manually control the switching switch 540 to make the first conical joint 510 of the three-way valve 500 communicate with the second conical joint 520, then pull out the pipe from the third conical joint 530 of the three-way valve 500, and then The anti-fouling cap 550 caps back on the third conical fitting 530 .

In summary, the utility model is provided with a one-way valve on the first coarse drainage tube, and the setting of the one-way valve can effectively avoid the reverse flow of the liquid flowing into the drainage bag; Thin drainage tube, the setting of the thin drainage tube reduces the contact area with the chest cavity, relieves the patient's discomfort and pain; the utility model is equipped with a three-way valve. The conical joints are connected, and then the switching switch provided on the three-way valve is manually controlled, so that the first conical joint of the three-way valve is connected with the third conical joint, which is convenient for medical personnel to perform sampling.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. The utility model does not depart from the spirit and scope of the utility model There will also be various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A sampling device for pleural effusion, comprising a drainage bag and a drainage channel for communicating with the drainage bag and the chest cavity of a human body, characterized in that, the drainage channel includes a thin drainage tube with an outer diameter less than 2.0mm and an outer diameter A coarse drainage tube larger than 10mm, the coarse drainage tube includes a first coarse drainage tube and a second coarse drainage tube, the first coarse drainage tube communicates with the second coarse drainage tube through a three-way valve, the first coarse drainage tube One end of the drainage tube communicates with the upper end of the drainage bag, the other end of the first coarse drainage tube communicates with the first tapered joint of the three-way valve, and one end of the second coarse drainage tube communicates with the first taper joint of the three-way valve. The two conical joints are connected, and the third conical joint of the three-way valve is covered with an antifouling cover, and the other end of the second thick drainage tube is connected to one end of the thin drainage tube through the fourth conical joint. The other end of the thin drainage tube communicates with the chest cavity of the human body, a liquid outlet tube is provided at the lower end of the drainage bag, and a liquid outlet valve is arranged on the liquid outlet tube. 2. A sampling device for pleural effusion according to claim 1, characterized in that: a one-way valve is provided on the first coarse drainage tube. 3. A sampling device for pleural effusion as claimed in claim 1, characterized in that: in the first conical joint, the second conical joint, the third conical joint and the fourth conical joint A number of concave limit steps are evenly spaced along the axial direction on the outer peripheral surface of the inner surface. 4. A sampling device for pleural effusion according to claim 1, characterized in that: a scale is provided on the drainage bag. 5. A sampling device for pleural effusion according to claim 1, characterized in that: the upper end of the drainage bag is also provided with hanging ears.