CN210812837U - A drainage fluid extraction device - Google Patents

Abstract

The utility model discloses a drainage liquid extraction device, comprising a drainage bag and a liquid taking device. The drainage bag includes a liquid storage bag, a drainage device and a drainage device communicated with the liquid storage bag. The liquid taking port of the liquid inside the liquid bag, the liquid taking port is provided with a first connecting pipe, the first connecting pipe is communicated with the liquid storage bag, the first connecting pipe is provided with a cap for closing the first connecting pipe, and the liquid taking device includes a liquid taking pipe and a vacuum The liquid storage tube, one end of the liquid taking tube is provided with a second connecting tube detachably connected to the first connecting tube, and the other end is provided with a puncture needle connected with the vacuum liquid storage tube. The connecting tube is connected with the first connecting tube, and the puncture needle is inserted into the vacuum liquid storage tube. Since the vacuum liquid storage tube is under negative pressure, the atmospheric pressure will drain the hydraulic pressure into the vacuum liquid storage tube. The application does not need to destroy the vacuum liquid storage tube when taking the liquid. , it will not cause the problem of leakage of drainage fluid, and it can be taken out even when the fluid volume in the fluid storage bag is small.

Description

A drainage fluid extraction device

technical field

The utility model relates to the technical field of drainage devices, in particular to a drainage liquid extraction device.

Background technique

For patients with abdominal and pelvic surgery, abdominal drainage tubes or pelvic drainage tubes will be left after surgery. Doctors often extract drainage fluid for routine drainage or bacterial culture tests. In order to ensure that the drainage fluid is not polluted, the drainage fluid should be placed in a disposable blood pump for all tests, and the cap of the tube head of the blood pump is a one-way lock, once it is separated, the cap cannot be fastened again. At present, the existing disposable drainage bags are only equipped with a discharge tube and a discharge switch. If the drainage fluid needs to be retained, the cap of the suction vessel must be opened, so that the drainage fluid flows into the suction vessel through the drainage tube of the drainage bag. This may cause the cap of the pumping tube with drainage fluid to fall off during high-speed centrifugation, and the drainage fluid may contaminate the testing machine. Or use a syringe to puncture the drainage bag to extract the drainage fluid and inject it into the blood collection tube. After this operation, the drainage bag needs to be replaced, which increases the hospitalization cost of the patient. Some new drainage bags have a latex port added to the connecting tube for sampling and testing, but the limitation is that if the drainage fluid is below the latex sampling port, the drainage fluid will not be retained.

How to solve the problem that the drainage bag in the prior art is inconvenient to extract the internal drainage fluid has become a technical problem that those skilled in the art need to solve urgently.

Utility model content

The purpose of the utility model is to provide a drainage fluid extraction device to solve the problem of inconvenience in extracting drainage fluid from drainage bags in the prior art.

The technical effects that can be produced by the preferred technical solutions among the technical solutions provided by the present invention are detailed in the following descriptions.

To achieve the above object, the utility model provides the following technical solutions:

The utility model provides a drainage liquid extraction device, comprising:

Drainage bag, including a liquid storage bag, a drainage device arranged at the top of the liquid storage bag, and a drainage device arranged at the bottom end of the liquid storage bag, and the bottom end of the drainage bag is also provided with a drainage device for extracting the liquid storage bag The liquid taking port for the inner liquid, the liquid taking port is provided with a first connecting pipe that communicates with the inside of the liquid storage bag, and the first connecting pipe is provided with a cap for closing the first connecting pipe, and the cap is connected to the first connecting pipe. the first connecting pipe is detachably connected;

The liquid taking device includes a liquid taking pipe and a vacuum liquid storage pipe, one end of the liquid taking pipe is provided with a second connecting pipe detachably connected with the first connecting pipe, and the other end is provided with a second connecting pipe connected with the vacuum liquid storage pipe. Puncture needle.

Preferably, the first connecting portion includes a first connecting portion and a second connecting portion that communicate with each other, the first connecting portion extends into the interior of the liquid storage bag, and the outer side is sealedly connected to the liquid storage bag, and the liquid storage bag is sealed. The second connecting part is located at the bottom of the liquid storage bag and is used for connecting with the second connecting pipe.

Preferably, the second connecting pipe includes a third connecting part and a fourth connecting part that communicate with each other. The fourth connecting part is located at the front end of the liquid taking pipe and is detachably connected to the second connecting part.

Preferably, both the first connecting pipe and the second connecting pipe are hard hollow pipes.

Preferably, the inner diameter of the second connection part is equal to the outer diameter of the fourth connection part, and the fourth connection part is inserted into the second connection part.

Preferably, the inner diameter of the second connecting portion is 10-15 mm.

Preferably, the drainage device comprises an introduction pipe communicating with the liquid storage bag and an anti-reflux valve arranged on the introduction pipe for preventing the backflow of the drainage fluid.

Preferably, the liquid discharge device includes a discharge pipe communicated with the liquid storage bag and a discharge switch provided on the discharge pipe.

Preferably, the cap includes a cylinder with one end open and a cylindrical sealing core disposed in the center of the cylinder, the inner diameter of the cylinder is equal to the outer diameter of the second connecting portion, and the outer diameter of the sealing core The diameter is larger than the inner diameter of the second connecting portion, and the sealing core is made of rubber.

Preferably, the top of the liquid storage bag is further provided with a hanging hole for hanging the liquid storage bag.

A drainage liquid extraction device provided by the utility model has the following beneficial effects:

The utility model provides a drainage liquid extraction device, comprising a drainage bag and a liquid extraction device for extracting the liquid in the drainage bag, wherein the drainage bag includes a liquid storage bag, a drainage device and a drainage device, and the drainage device is arranged in the storage bag. The upper part of the liquid bag is communicated with the inside of the liquid storage bag, and is used to introduce the liquid in the body into the liquid storage bag; The liquid storage bag is discharged. In addition, on the basis of the existing drainage bag, the present application is provided with a liquid taking port for extracting the liquid in the liquid storage bag at the bottom end of the liquid storage bag, and a first connecting pipe is arranged in the liquid taking port. The nozzle connects the inner and outer sides of the liquid storage bag, and the liquid in the liquid storage bag can flow out from the inside through the first nozzle. The end of the first nozzle is provided with a cap for closing the first nozzle, and the cap is detachably connected to the first nozzle. , when the liquid does not need to be extracted, the cap closes the first connecting pipe; the liquid collecting device includes a liquid collecting pipe and a vacuum liquid storage pipe, and one end of the liquid collecting pipe is provided with a second connecting pipe that can be detachably connected to the first connecting pipe, and the second connecting pipe It is communicated with the liquid taking tube, and the other end of the liquid taking tube is provided with a puncture needle for penetrating the vacuum liquid storage tube. When it is necessary to extract the liquid, remove the cap from the first connecting pipe, connect the second connecting pipe with the first connecting pipe, and then insert the puncture needle into the vacuum liquid storage tube. The liquid is sucked into the vacuum liquid storage tube to complete the liquid collection. After the liquid collection is completed, the second connecting pipe is separated from the first connecting pipe, and the cap is fastened on the first connecting pipe to seal. The problem of leakage of drainage fluid caused by the inability to re-tighten the cap after capping also maximizes the sterility of the entire liquid collection process, and also solves the problem that some new drainage bags cannot extract the liquid below the sampling port.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not limiting of the present application.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces 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 just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a structural diagram of a drainage bag shown in an embodiment of the present invention;

Fig. 2 is the connection diagram of the drainage bag and the liquid taking device shown in the embodiment of the present utility model;

Fig. 3 is the structure diagram of the liquid taking pipe shown in the embodiment of the present utility model;

4 is a cross-sectional view of a discharge switch shown in an embodiment of the present invention;

5 is a structural diagram of an anti-reflux valve shown in an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a cap shown in an embodiment of the present invention.

In the figure: 1. Liquid storage bag; 2. Drainage device; 201, Introducing pipe; 202, Anti-reflux valve; 3. Drainage device; 301, Discharge pipe; 302, Drain switch; 402, the second connection part; 5, the cap; 501, the cylinder; 502, the sealing core; 6, the liquid pipe; 7, the vacuum liquid storage pipe; 8, the second connection; 802, the fourth connecting part; 9, the puncture needle; 10, the hanging hole.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention more clear, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present invention.

Hereinafter, the embodiment will be described with reference to the drawings. In addition, the embodiments shown below do not have any limiting effect on the content of the utility model described in the claims. In addition, the whole content of the structure shown in the following embodiment is not limited to what is necessary for the solution of the invention described in the claim.

1 to 6, the present utility model provides a drainage fluid extraction device, including a drainage bag for draining and storing drainage fluid and a fluid extraction device for extracting drainage fluid in the drainage bag. A liquid storage bag 1 for storing drainage liquid, a drainage device 2 for introducing the drainage liquid into the liquid storage bag 1, and a drainage device 3 for discharging the drainage liquid in the liquid storage bag 1, and the drainage device 2 is arranged in the liquid storage bag. The top of 1 is communicated with the interior of the liquid storage bag 1, and the drainage device 3 is arranged at the bottom end of the liquid storage bag 1 and communicated with the interior of the liquid storage bag 1. The bottom end of the bag 1 is located on one side of the liquid discharge device 3, and a liquid taking port is arranged, and a first connecting pipe 4 is arranged in the liquid taking port. The first connecting pipe 4 is connected to the inner and outer sides of the liquid storage bag 1. One end of the outer side of the liquid bag 1 is provided with a cap 5 for closing the first connecting tube 4, and the cap 5 is detachably connected to the first connecting tube 4. When the liquid does not need to be taken, the first cap 5 is connected to the first connecting tube 4; the liquid taking device Including the liquid taking tube 6 and the vacuum liquid storage tube 7, the liquid taking tube 6 is a flexible tube, and the vacuum liquid storage tube 7 is the existing vacuum blood sampling tube, and one end of the liquid taking tube 6 is provided with a detachable connection with the first connecting pipe 4. The second connecting pipe 8 is connected to the liquid taking pipe 6 , and the other end of the liquid taking pipe 6 is provided with a puncture needle 9 which can be inserted into the vacuum liquid storage pipe 7 . When taking the liquid, the cap 5 is separated from the first connecting pipe 4, the second connecting pipe 8 is connected with the first connecting pipe 4, and the puncture needle 9 is inserted into the vacuum liquid storage tube 7. Since the interior of the vacuum liquid storage tube 7 is vacuum, it is In the negative pressure state, the drainage liquid in the liquid storage bag 1 is pressed into the vacuum liquid storage tube 7 by atmospheric pressure, and the extraction of the drainage liquid is completed. After the extraction is completed, the second connecting pipe 8 is separated from the first connecting pipe 4, and the cap 5 Installed on the first nozzle 4 to seal. The present application well avoids the problem in the prior art that the cap of the blood collection tube has to be removed in order to extract the drainage fluid, resulting in the leakage of the drainage fluid due to the failure of the cap to be fastened. It also ensures the sterility of the actual extraction process. It also solved the problem that some new drainage bags could not extract the liquid under the sampling port.

As an optional embodiment, the above-mentioned drainage bag is a double-layer structure, and the edge of the drainage bag can be sealed by a heat sealing process. The end of the connection part 401 protrudes into the liquid storage bag 1 and the outer side is located between the double-layer structures. The drainage bag of the layer structure is wrapped on the outside of the first connecting part 401, and the drainage bag and the first connecting part 401 can be pressed together by a heat sealing process to achieve a sealed connection, and the second connecting part 402 and the first connecting part 401 are integrated. Structure, the second connecting part 402 is exposed on the outside of the drainage bag for detachable connection with the cap 5 or the second nozzle 8, and is connected to the cap 5 when liquid is not needed, and is connected to the second nozzle 8 when liquid is taken.

Further, the above-mentioned second connecting pipe 8 includes a third connecting portion 801 and a fourth connecting portion 802 that communicate with each other. The third connecting portion 801 is used to connect with the liquid taking pipe 6, and the outer diameter of the third connecting portion 801 may be slightly larger than The inner diameter of the liquid taking pipe 6, the liquid taking pipe 6 can be made of soft material, when the third connecting part 801 is inserted into the liquid taking pipe 6, an interference fit can be realized between the third connecting part 801 and the liquid taking pipe 6 , to achieve a sealed connection, and the fourth connection part 802 fixedly connected with the third connection part 801 is used to cooperate with the second connection part 402 to realize a detachable connection.

In practice, the above-mentioned first connecting pipe 4 and second connecting pipe 8 can both be hard hollow tubes, and the material can be medical plastic, such as PC material, which has a certain hardness and can be more convenient to operate.

In implementation, the inner diameter of the above-mentioned second connection portion 402 may be equal to the outer diameter of the fourth connection portion 802. When liquid collection is required, the fourth connection portion 802 can be directly inserted into the second connection portion 402 for connection. It can be directly pulled out and separated, or the outer diameter of the fourth connection part 802 can be slightly larger than the inner diameter of the second connection part 402, which can better achieve the sealing effect.

Preferably, the inner diameter of the second connecting portion 402 may be 10-15 mm, and the outer diameter of the fourth connecting portion 802 is also 10-15 mm, and is set to match the inner diameter of the second connecting portion 402 .

Optionally, the above-mentioned drainage device 2 may include an introduction pipe 201 with one end communicating with the liquid storage bag 1 and an anti-reflux valve 202 disposed on the introduction pipe 201 for preventing the backflow of the drainage fluid. The introduction pipe 201 may be medically transparent. The hose is connected to the liquid storage bag 1 and one end is inserted into the liquid storage bag 1. The outer side wall of the transparent hose and the double-layer structure of the liquid storage bag 1 can be pressed together by a heat sealing process to achieve a sealed connection. The anti-reflux valve 202 The working principle is to flatten the transparent hose so that it cannot pass the liquid. The medical anti-reflux valve 202 has various forms, for example, it can be an oblong plastic sheet, and the center of the plastic sheet is opened along the length of the plastic sheet. The width of the clamping groove can be equal to twice the thickness of the pipe wall of the introduction pipe 201, and a circular hole is set at one end of the clamping groove, and the diameter of the circular hole can be greater than or equal to the outer diameter of the introduction pipe 201. When When the introduction pipe 201 needs to circulate the liquid, place the introduction pipe 201 in the round hole. When the introduction pipe 201 does not need to circulate the liquid, the introduction pipe 201 can be slid into the clamping groove communicated with the circular hole, and the clamping groove will The introduction pipe 201 is flattened to achieve the interception effect.

Further, the above-mentioned liquid discharge device 3 may include a discharge pipe 301 communicated with the liquid storage bag 1 and a discharge switch 302 arranged in the discharge pipe 301. The medical discharge switch 302 has various forms, only one of which is described here. The discharge switch 302 may include a tubular casing and a rotary switch arranged in the casing, the tubular casing is arranged in the discharge pipe 301, the axis of the tubular casing is perpendicular to the axis of the discharge pipe 301, and both ends of the tubular casing penetrate the discharge pipe 301, and the tubular casing is located in the discharge pipe 301. The inner part of the pipe 301 is provided with a liquid discharge port that penetrates the tubular casing along the axial direction of the discharge pipe 301, the rotary switch is cylindrical, the outer diameter is the same as the inner diameter of the tubular casing, the rotary switch is arranged in the tubular casing, and one end is provided with a rotating handle, The part of the rotary switch located inside the tubular casing is provided with a circulation port that penetrates the rotary switch in a direction perpendicular to the axis of the rotary switch. When the liquid needs to be discharged, the rotary switch is rotated to make the liquid discharge port and the circulation port aligned, and the discharge pipe 301 Unblocked, the liquid is discharged. When the liquid is not required to be discharged, the rotary switch is turned to stagger the liquid discharge port and the flow port, and the discharge pipe 301 is closed.

Preferably, the above-mentioned cap 5 may include a cylinder 501 with one end open, the inner diameter of the cylinder 501 is equal to the outer diameter of the second connecting portion 402, and the cylinder 501 can be fastened to the end of the second connecting portion 402 to achieve sealing, In order to better achieve the sealing effect, a cylindrical sealing core 502 can be arranged on the top of the center of the cylinder 501. The sealing core 502 can be made of medical rubber. The outer diameter of the sealing core 502 can be slightly larger than the inner diameter of the second connecting part 402. 5 When the end of the second connecting portion 402 is buckled, the sealing core 502 is inserted into the second connecting portion 402 to achieve sealing.

For the convenience of hanging, a hanging hole 10 for hanging the liquid storage bag 1 can be provided on the edge of the top end of the liquid storage bag 1 .

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. A drainage fluid extraction device, comprising:

the drainage bag comprises a liquid storage bag (1), a drainage device (2) arranged at the top end of the liquid storage bag (1) and a liquid drainage device (3) arranged at the bottom end of the liquid storage bag (1), wherein a liquid taking port used for extracting liquid in the liquid storage bag (1) is further arranged at the bottom end of the drainage bag, a first connecting pipe (4) communicated with the interior of the liquid storage bag (1) is arranged at the liquid taking port, a cover cap (5) used for sealing the first connecting pipe (4) is arranged on the first connecting pipe (4), and the cover cap (5) is detachably connected with the first connecting pipe (4);

liquid taking device, including liquid taking pipe (6) and vacuum liquid storage pipe (7), the one end of liquid taking pipe (6) be provided with first takeover (4) can dismantle second takeover (8) of being connected, the other end be provided with pjncture needle (9) that vacuum liquid storage pipe (7) are connected.

2. The drainage fluid extraction device according to claim 1, wherein the first connection tube (4) comprises a first connection part (401) and a second connection part (402) which are communicated with each other, the first connection part (401) extends into the liquid storage bag (1) and the outer side surface of the first connection part is hermetically connected with the liquid storage bag (1), and the second connection part (402) is positioned at the bottom of the liquid storage bag (1) and is used for being connected with the second connection tube (8).

3. The drainage fluid extraction device according to claim 2, wherein the second connecting tube (8) comprises a third connecting portion (801) and a fourth connecting portion (802) which are communicated with each other, the third connecting portion (801) is inserted into the fluid extraction tube (6) and the outer side surface of the third connecting portion is hermetically connected with the inner side wall of the fluid extraction tube (6), and the fourth connecting portion (802) is located at the front end of the fluid extraction tube (6) and is detachably connected with the second connecting portion (402).

4. The drainage fluid extraction device of claim 3, wherein the first connecting pipe (4) and the second connecting pipe (8) are both hard hollow pipes.

5. The drainage fluid extraction device according to claim 4, wherein the second connecting portion (402) has an inner diameter equal to an outer diameter of the fourth connecting portion (802), and the fourth connecting portion (802) is inserted into the second connecting portion (402).

6. The drainage fluid extraction device of claim 5, wherein the second connecting portion (402) has an inner diameter of 10-15 mm.

7. The drainage fluid extraction device according to claim 1, wherein the drainage device (2) comprises an introduction tube (201) communicating with the reservoir bag (1) and an anti-reflux valve (202) provided on the introduction tube (201) for preventing reverse flow of the drainage fluid.

8. The drainage fluid extraction device according to claim 1, wherein the drainage device (3) comprises a discharge tube (301) communicating with the fluid reservoir (1) and a discharge switch (302) provided on the discharge tube (301).

9. The drainage fluid extraction device according to claim 2, wherein the cap (5) comprises a cylinder (501) with an open end and a cylindrical sealing core (502) arranged at the center of the cylinder (501), the inner diameter of the cylinder (501) is equal to the outer diameter of the second connecting part (402), the outer diameter of the sealing core (502) is larger than the inner diameter of the second connecting part (402), and the sealing core (502) is made of rubber.

10. The drainage fluid extraction device according to claim 1, wherein the top end of the liquid storage bag (1) is further provided with a hanging hole (10) for hanging the liquid storage bag (1).

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