CN210812837U - Drainage liquid extraction element - Google Patents

Abstract

The utility model discloses a drainage liquid extraction device, which comprises a drainage bag and a liquid taking device, wherein the drainage bag comprises a liquid storage bag, a drainage device and a liquid drainage device which are communicated with the liquid storage bag, the bottom end of the drainage bag is provided with a liquid taking port for extracting liquid in the liquid storage bag, a first connecting pipe is arranged in the liquid taking port, the first connecting pipe is communicated with the liquid storage bag, a cap for sealing the first connecting pipe is arranged on the first connecting pipe, the liquid taking device comprises a liquid taking pipe and a vacuum liquid storage pipe, one end of the liquid taking pipe is provided with a second connecting pipe which is detachably connected with the first connecting pipe, the other end is provided with a puncture needle which is connected with the vacuum liquid storage pipe, when liquid needs to be taken, the cap is taken down, the second connecting pipe is spliced and communicated with the first connecting pipe, the puncture needle is inserted into the vacuum liquid storage pipe, because the vacuum liquid storage pipe is negative pressure, the drainage liquid is pressed into the vacuum liquid storage, the drainage liquid leakage problem can not be caused, and the drainage liquid can be taken out even if the liquid amount in the liquid storage bag is less.

Description

Drainage liquid extraction element

Technical Field

The utility model belongs to the technical field of the drainage device technique and specifically relates to a drainage liquid extraction element is related to.

Background

Patients with abdominopelvic cavity operation can leave abdominal cavity drainage tubes or pelvic cavity drainage tubes after operation, and doctors can often extract drainage liquid to carry out routine or bacterial culture and other tests on the drainage liquid. In order to ensure that the drainage liquid is not polluted, the drainage liquid needs to be placed in the disposable blood pumping tube for assay, the tube head cap of the blood pumping tube is a one-way lock catch, and once the cap is separated, the cap cannot be fastened again. At present, the existing disposable drainage bag is only provided with a discharge pipe and a discharge switch. If drainage liquid needs to be left, the blood vessel drawing cap needs to be opened, so that the drainage liquid flows into the blood vessel drawing tube through the drainage bag discharge tube. Therefore, the blood drawing tube with the drainage fluid can be caused to fall off when the blood drawing tube is subjected to high-speed centrifugation, and the drainage fluid pollutes the testing machine. Or use the syringe to puncture drainage bag and extract and pour into the heparin tube after the drainage liquid into, need to change the drainage bag after this kind of operation, increased patient's hospitalization expense. Some novel drainage bags can be used for sampling and testing by adding a latex opening at the position of the connecting pipe, but the limitation is that if drainage liquid is below the latex sampling opening, the drainage liquid cannot be left.

How to solve the problem that the drainage bag in the prior art is inconvenient to extract internal drainage liquid becomes a technical problem which needs to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage liquid extraction element to solve among the prior art drainage bag and draw the inconvenient problem of drainage liquid.

The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of drainage liquid extraction element, include

The drainage bag comprises a liquid storage bag, a drainage device arranged at the top end of the liquid storage bag and a drainage device arranged at the bottom end of the liquid storage bag, wherein the bottom end of the drainage bag is also provided with a liquid taking port for extracting liquid in the liquid storage bag, the liquid taking port is provided with a first connecting pipe communicated with the interior of the liquid storage bag, the first connecting pipe is provided with a cap for sealing the first connecting pipe, and the cap is detachably connected with the first connecting pipe;

the liquid taking device comprises a liquid taking pipe and a vacuum liquid storage pipe, wherein 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 of the liquid taking pipe is provided with a puncture needle connected with the vacuum liquid storage pipe.

Preferably, first takeover includes first connecting portion and second connecting portion that communicate each other, first connecting portion stretch into the stock solution bag is inside and the lateral surface with stock solution bag sealing connection, the second connecting portion are located the stock solution bag bottom be used for with the second is taken over and is connected.

Preferably, the second is taken over including third connecting portion and the fourth connecting portion that communicate each other, the third connecting portion insert in get the intraductal and lateral surface of liquid with get liquid pipe inside wall sealing connection, the fourth connecting portion are located the front end of getting the liquid pipe with the second connecting portion can dismantle the connection.

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

Preferably, the second connecting portion has an inner diameter equal to an outer diameter of the fourth connecting portion, the fourth connecting portion being inserted into the second connecting portion.

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

Preferably, the drainage device comprises an introducing pipe communicated with the liquid storage bag and an anti-reflux valve arranged on the introducing pipe and used for preventing the drainage liquid from flowing backwards.

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

Preferably, the cap includes a cylinder with an opening at one end and a cylindrical sealing core arranged at the center of the cylinder, the inner diameter of the cylinder is equal to the outer diameter of the second connecting portion, the outer diameter of the sealing core is larger than the inner diameter of the second connecting portion, and the sealing core is made of rubber.

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

The utility model provides a pair of drainage liquid extraction element, its beneficial effect is:

the utility model provides a drainage liquid extraction element, including drainage bag and the liquid device of getting that is used for drawing the liquid in the drainage bag, wherein, the drainage bag includes the liquid storage bag, drainage device and drain, drainage device sets up in the top of liquid storage bag and communicates with the liquid storage bag inside, be used for leading internal liquid into in the liquid storage bag, drain sets up in the below of drainage bag and communicates with the liquid storage bag inside, be used for discharging the liquid storage bag in the liquid storage bag, furthermore, on the basis of current drainage bag, this application is provided with the liquid mouth of getting that is used for drawing the liquid in the liquid storage bag in the bottom of liquid storage bag, set up first takeover in getting the liquid mouth, first takeover communicates the inside and outside both sides of liquid storage bag, can flow from inside through the liquid in the liquid storage bag of first takeover, the tip of first takeover is provided with the block that is used for sealing first takeover, the block can dismantle with first and be connected, when the liquid is not required to be extracted, the cap closes the first connecting pipe; the liquid taking device comprises a liquid taking pipe and a vacuum liquid storage pipe, one end of the liquid taking pipe is provided with a second connecting pipe which can be detachably connected with the first connecting pipe, the second connecting pipe is communicated with the liquid taking pipe, and the other end of the liquid taking pipe is provided with a puncture needle which is used for penetrating the vacuum liquid storage pipe. When needs draw liquid, take off the block from first takeover, take over the second and take over the intercommunication with first, then pierce the pjncture needle in the vacuum stock solution pipe, be the negative pressure in the vacuum stock solution pipe, can inhale the liquid in the drainage bag and accomplish in the vacuum stock solution pipe and get liquid, get the liquid and finish the back, take over the second and take over the separation with first, take over the block lock at first sealed, this application has avoided current liquid mode of getting to destroy behind the heparin tube block unable back-buckling and causes the problem that drainage liquid leaks outward, the aseptic nature of the whole liquid process of getting has also been guaranteed to furthest, the while has also solved the problem that certain novel drainage bag can't draw sample connection below liquid.

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

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a view of a drainage bag according to an embodiment of the present invention;

fig. 2 is a connection diagram of the drainage bag and the liquid taking device shown in the embodiment of the present invention;

FIG. 3 is a structural view of a liquid-taking tube according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the drain switch illustrating an embodiment of the present invention;

fig. 5 is a structural view of an anti-reflux valve according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of the cap according to the embodiment of the present invention.

In the figure: 1. a liquid storage bag; 2. a drainage device; 201. an inlet tube; 202. an anti-reflux valve; 3. a liquid discharge device; 301. a discharge pipe; 302. a drain switch; 4. a first adapter tube; 401. a first connection portion; 402. a second connecting portion; 5. capping; 501. a cylinder; 502. sealing the core; 6. a liquid taking pipe; 7. a vacuum liquid storage tube; 8. a second adapter tube; 801. a third connecting portion; 802. a fourth connecting portion; 9. puncturing needle; 10. and (4) hanging holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 6, the present invention provides a drainage fluid extraction device, comprising a drainage bag for draining and storing drainage fluid and a fluid extraction device for extracting the drainage fluid in the drainage bag, wherein the drainage bag comprises a fluid storage bag 1 for storing drainage fluid, a drainage device 2 for introducing the drainage fluid into the fluid storage bag 1 and a fluid drainage device 3 for discharging the drainage fluid in the fluid storage bag 1, the drainage device 2 is arranged at the top end of the fluid storage bag 1 and is communicated with the interior of the fluid storage bag 1, the fluid drainage device 3 is arranged at the bottom end of the fluid storage bag 1 and is communicated with the interior of the fluid storage bag 1, in order to extract the drainage fluid in the fluid storage bag 1, a fluid extraction port can be arranged at one side of the fluid drainage device 3 at the bottom end of the fluid storage bag 1, a first connection pipe 4 is arranged in the fluid extraction port, the first connection pipe 4 is communicated with the inner and outer sides of the fluid storage bag 1, a cap 5 for sealing the first connection pipe 4 is arranged at one end of the first connection pipe 4, the cap 5 is detachably connected with the first connecting pipe 4, and when liquid taking is not needed, the first cap 5 is connected with the first connecting pipe 4; the liquid taking device comprises a liquid taking pipe 6 and a vacuum liquid storage pipe 7, the liquid taking pipe 6 is a hose, the vacuum liquid storage pipe 7 is an existing vacuum blood taking pipe, one end of the liquid taking pipe 6 is provided with a second connecting pipe 8 detachably connected with the first connecting pipe 4, the second connecting pipe 8 is communicated with the liquid taking pipe 6, and the other end of the liquid taking pipe 6 is provided with a puncture needle 9 capable of being punctured into the vacuum liquid storage pipe 7. When getting liquid, take cap 5 and first takeover 4 separation, take over 8 with the second and be connected with first takeover 4, pjncture needle 9 pierces vacuum liquid storage pipe 7 in, because the inside vacuum that is of vacuum liquid storage pipe 7 is negative pressure state, the drainage liquid in the liquid storage bag 1 is impressed in vacuum liquid storage pipe 7 by atmospheric pressure, accomplish the extraction of drainage liquid, after extracting and finishing, take over 8 with the second and take over 4 separation, install cap 5 again on first takeover 4 sealedly. The fine problem of having avoided among the prior art that leads to the unable back-buckling of tube cap to cause drainage liquid to leak outward of detaching the blood sampling tube cap in order to draw drainage liquid must have also guaranteed the aseptic nature of real process of drawing, has also solved the problem that certain novel drainage bag can't draw sample connection below liquid simultaneously.

As an optional embodiment, the drainage bag is of a double-layer structure, the edge of the drainage bag can be sealed by a heat sealing process, the first connecting tube 4 includes a first connecting portion 401 and a second connecting portion 402 that are communicated with each other, the end of the first connecting portion 401 extends into the liquid storage bag 1, the outer side of the first connecting portion 401 is located between the double-layer structure, a plurality of annular protrusions can be arranged on the outer side of the first connecting portion 401 along the axial direction of the first connecting portion 401, the drainage bag of the double-layer structure is wrapped on the outer side of the first connecting portion 401, can realize sealing connection through heat-seal technology with drainage bag and first connecting portion 401 pressfitting together, second connecting portion 402 and first connecting portion 401 structure as an organic whole, second connecting portion 402 expose in the outside of drainage bag be used for can dismantling with block 5 or second takeover 8 and be connected, need not get when liquid with block 5 be connected, take over 8 with the second and be connected when liquid.

Further, the second connecting tube 8 includes a third connecting portion 801 and a fourth connecting portion 802 that are connected to each other, the third connecting portion 801 is used for being connected to the liquid-taking tube 6, an outer diameter of the third connecting portion 801 may be slightly larger than an inner diameter of the liquid-taking tube 6, the liquid-taking tube 6 may be made of a soft material, after the third connecting portion 801 is inserted into the liquid-taking tube 6, an interference fit may be achieved between the third connecting portion 801 and the liquid-taking tube 6, so as to achieve a sealed connection, and the fourth connecting portion 802 that is fixedly connected to the third connecting portion 801 is used for being connected to the second connecting portion 402 in a matching manner, so as to achieve a detachable connection.

In the implementation, the first connecting pipe 4 and the second connecting pipe 8 may be both hard hollow pipes, and the material may be medical plastics, for example, PC material may be used, and the operation may be more convenient due to certain hardness.

In implementation, the inner diameter of the second connection portion 402 may be equal to the outer diameter of the fourth connection portion 802, when liquid is required to be taken, the fourth connection portion 802 may be directly inserted into the second connection portion 402 for connection, and may be directly pulled out and separated after the liquid is taken out, or the outer diameter of the fourth connection portion 802 may be slightly larger than the inner diameter of the second connection portion 402, so that a sealing effect may be better achieved.

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 10-15 mm and is matched with the inner diameter of the second connecting portion 402.

Optionally, the drainage device 2 may include an introducing tube 201 having one end communicated with the liquid storage bag 1 and an anti-reflux valve 202 disposed on the introducing tube 201 and used for preventing the drainage liquid from flowing backwards, the introducing tube 201 may be a medical transparent flexible tube, one end communicated with the liquid storage bag 1 is inserted into the liquid storage bag 1, the outer side wall of the transparent flexible tube and the double-layer structure of the liquid storage bag 1 may be pressed together through a heat sealing process to achieve a sealed connection, the anti-reflux valve 202 has a working principle that the transparent flexible tube is clamped flat so that the transparent flexible tube cannot pass through the liquid, the medical anti-reflux valve 202 has various forms, for example, may be an oblong plastic sheet, a clamping groove penetrating through the plastic sheet is formed in the center of the plastic sheet along the length direction of the plastic sheet, the width of the clamping groove may be equal to twice the thickness of the tube wall of the introducing tube 201, one end of the clamping, when needing to introduce the intraductal circulation liquid of 201, place introducing pipe 201 in the round hole, when the intraductal circulation liquid of need not introducing, can slide introducing pipe 201 to the chucking groove with the round hole intercommunication, the chucking groove will introduce pipe 201 and press from both sides flat realization and cut off the effect.

Further, the above-mentioned liquid discharge device 3 may include a discharge tube 301 communicating with the liquid storage bag 1 and a discharge switch 302 provided in the discharge tube 301, the form of the medical discharge switch 302 is various, and only one of them is described here, the discharge switch 302 may include a tubular housing and a rotary switch provided in the housing, the tubular housing is provided in the discharge tube 301, the axis of the tubular housing is perpendicular to the axis of the discharge tube 301, and both ends of the tubular housing penetrate through the discharge tube 301, a liquid discharge port penetrating through the tubular housing along the axial direction of the discharge tube 301 is provided in a portion of the tubular housing located inside the discharge tube 301, the rotary switch has a cylindrical shape, the outer diameter is the same as the inner diameter of the tubular housing, the rotary switch is provided in the tubular housing, one end of the rotary switch is provided with a rotary handle, a portion of the rotary switch located inside the tubular housing is provided with a flow port penetrating through the rotary switch in, when liquid drainage is required, the rotary switch is rotated to align the liquid drainage port with the circulation port, the drainage pipe 301 is unblocked, and liquid is drained, and when liquid drainage is not required, the rotary switch is rotated to stagger the liquid drainage port with the circulation port, and the drainage pipe 301 is closed.

Preferably, the cap 5 may include a cylinder 501 with an opening at one end, an inner diameter of the cylinder 501 is equal to an outer diameter of the second connecting portion 402, the cylinder 501 may be fastened to an end of the second connecting portion 402 to achieve sealing, a cylindrical sealing core 502 may be disposed at a top of a center of the cylinder 501 to achieve better sealing effect, the sealing core 502 may be made of medical rubber, an outer diameter of the sealing core 502 may be slightly larger than the inner diameter of the second connecting portion 402, and when the cap 5 is fastened to the end of the second connecting portion 402, the sealing core 502 is plugged 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 arranged at the top end edge of the liquid storage bag 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to 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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