CN211705425U - Drainage bag - Google Patents

Abstract

The utility model discloses a drainage bag, which belongs to the field of medical equipment. The utility model provides a drainage bag, comprising: a drainage bag body; a drainage bag tube, one end of which is communicated with the drainage bag body; and a three-way valve, which has a first interface, a second interface and a third interface, wherein the first interface An interface is fixedly connected to one end of the drainage bag tube away from the drainage bag body. The drainage tube of the utility model can be directly threadedly connected with the puncture drainage tube without the aid of other connecting pieces, which is convenient to use, and when the drainage bag is full, the replacement of the drainage bag is also convenient. In addition, it also has the advantages that the drainage bag does not need to be removed when the drainage bag is retained, thereby avoiding potential drainage fluid contamination and extravasation, and the advantages of flushing and injecting medicine into the tube, flushing the drainage bag, etc., can be performed according to clinical needs.

Description

a drainage bag

technical field

The utility model particularly relates to a drainage bag, which belongs to the field of medical equipment.

Background technique

The drainage bag is generally connected to the terminal of the drainage tube, and is mainly used for the collection of urine in patients with urinary incontinence, surgically coma patients and people with reduced mobility, or for the collection of wound drainage fluid in cooperation with other instruments.

At present, the terminals of puncture and drainage tubes commonly used in clinical practice are mostly negative interfaces (that is, with external threads). Therefore, in the prior art, when external drainage is required, a sterile latex tube with a similar diameter is required to be sleeved at one end and a disposable drainage bag at the other end, which is not only inconvenient to use, but also more troublesome to replace. In addition, if the drainage fluid needs to be kept for testing, the drainage bag should be removed, and the drainage fluid in the drainage tube should be kept or extracted, or the drainage fluid should be kept at the point where the needle punctured the latex tube. This will cause contamination of the drainage fluid, affect the test results, and damage the leakage at the puncture of the latex tube.

Utility model content

The utility model is designed to solve the above problems, and the purpose is to provide a drainage bag, which can not only be docked with the terminal of the puncture drainage tube, but also can conveniently retain drainage fluid.

The utility model provides a drainage bag, which is characterized by comprising: a drainage bag body; a drainage bag tube, one end of which is communicated with the drainage bag body; and a three-way valve, which has a first interface, a second interface and a third interface, Wherein, the first interface is fixedly connected to one end of the drainage bag tube away from the drainage bag body.

The drainage bag provided by the utility model may also have the following characteristics: wherein the three-way valve comprises: a three-way valve main body, which is a hollow cylinder, and the outer surface is provided with a first interface, a second interface and a third interface; and a three-way valve core, which is in the form of a hollow cylinder, and has three through holes on the outer surface, which are embedded in the main body of the three-way valve and coaxial with the main body of the three-way valve.

The drainage bag provided by the utility model may also have the following characteristics: wherein the three-way valve further comprises: a T-shaped knob, which is fixedly arranged on the three-way valve core and is used to drive the three-way valve core relative to the three-way valve. The main body rotates, wherein the three ends of the T-shaped knob correspond to the three through holes respectively, and are used to indicate the positions of the three through holes when the three-way valve core rotates.

The drainage bag provided by the present invention may also have the following feature: wherein, the second interface is a male interface with internal threads.

The drainage bag provided by the present invention may also have the following feature: wherein, the third interface is a female interface with an external thread.

The drainage bag provided by the present invention may also have the following features: wherein the three-way valve further includes: a protective cap with an inner thread compatible with the outer thread of the third interface, used for fixing on the third interface through a threaded connection on three interfaces.

The drainage bag provided by the present utility model may also have the following features: wherein the three-way valve further includes: a protective inner core, which has an external thread compatible with the internal thread of the second interface, when the second interface is not in use , which is fixed on the second interface through screw connection.

The function and effect of the utility model

According to the drainage tube of the present invention, it includes a drainage bag body, a drainage bag tube and a three-way valve, and one of the interfaces of the three-way valve has an internal thread matching the terminal of the puncture drainage tube. Therefore, the drainage tube of the present invention can be directly threadedly connected to the puncture drainage tube without the aid of other connecting parts, which is convenient to use. The bag can be removed, thereby avoiding potential drainage fluid contamination and leakage, and at the same time, flushing and injecting medicines into the tube and flushing the drainage bag can be performed according to clinical needs.

Description of drawings

1 is a schematic structural diagram of a drainage bag in an embodiment of the present invention.

Detailed ways

In order to make it easy to understand the technical means, creative features, achieved goals and effects of the present invention, the present invention will be described in detail below with reference to the embodiments and the accompanying drawings.

<Example>

1 is a schematic structural diagram of a drainage bag in an embodiment of the present invention.

As shown in FIG. 1 , a drainage bag 100 includes a drainage bag body 10 , a drainage bag tube 20 , a three-way valve 30 and a protective inner core (not shown in the figure).

The drainage bag body 10 is a transparent plastic bag made of medical polymer material. The outer surface of the drainage bag body 10 has a volume scale.

One end of the drainage bag tube 20 is communicated with the drainage bag body 10 , and the other end is fixedly connected with the three-way valve 30 .

The three-way valve 30 includes a three-way valve body 31 , a three-way valve core (not shown in the figure), a T-shaped knob 32 and a protective cap 33 .

The three-way valve body 31 has a first port 311, a second port 312, and a third port 313.

The first interface 311 is fixedly connected to one end of the drainage bag tube 20 away from the drainage bag body 10 .

The second interface 312 is a male interface and has an inner thread, which is compatible with the outer thread of the interface of the puncture and drainage tube 40 , and is used for threaded connection with the puncture and drainage tube 40 .

The third interface 313 is a female interface and has external threads. In actual use, the third interface 313 can be used to connect with the negative pressure drainage ball, and can also be connected to a drainage sampling device, a flushing device, an injection device, etc. through the third interface 313 according to clinical needs.

The three-way valve core is a hollow cylinder with three through holes on the outer surface, which are embedded in the three-way valve main body 31 and coaxial with the three-way valve main body 31 .

The T-shaped knob 32 is fixedly arranged on the three-way valve core, and is used to drive the three-way valve core to rotate relative to the three-way valve body 31. The three ends of the T-shaped knob 32 correspond to the three through holes respectively, and are used when the three-way valve core is rotated. When the spool rotates, it indicates the position of the three through holes.

The protection cap 33 has an inner thread compatible with the outer thread of the third port 313 , and is used to be fixed on the third port 313 through screw connection. In actual use, when the third interface 313 does not need to be connected to the outside world or to other medical equipment, the protective cap 33 can be screwed and fixed on the third interface 313 to protect the inside of the drainage bag 100 from being damaged Pollution.

The protective inner core has an external thread compatible with the internal thread of the second port 312 , and is fixed on the second port 312 by screw connection when the second port 312 is not in use.

In actual use, when drainage is normal, the second interface 312 is threadedly connected to the puncture drainage tube 40 , and the T-shaped knob 32 is rotated to connect the first interface 311 with the second interface 312 , and the third interface 313 is threadedly connected to the protective cap 33 . At this time, the drainage fluid enters the drainage bag body 10 from the puncture drainage tube 40 through the three-way valve 30 .

When the negative pressure drainage ball needs to be connected, the second interface 312 is threadedly connected to the puncture and drainage tube 40, and the third interface 313 is connected with a negative pressure drainage ball. The three ports 313 communicate with each other. After using the negative pressure drainage ball to generate negative pressure in the system, rotate the T-shaped knob 32 again, so that the first interface 311 and the second interface 312 are communicated and are not communicated with the third interface 313. At this time, the drainage fluid enters the drainage bag body 10 from the puncture drainage tube 40 through the three-way valve 30 .

In actual use, the connection between the negative pressure drainage ball and the third interface 313 can be sleeved through a hose, or a single-way or three-way threaded connection with an internal thread compatible with the external thread of the third interface can be used.

When the drainage fluid needs to be collected, the second interface 312 is threadedly connected to the puncture drainage tube 40, and the third interface 313 is connected to a sampling device. Rotating the T-shaped knob 32 makes the first interface 311 and the third interface 313 communicate with each other and neither communicate with the second interface 312 . At this time, the drainage liquid enters the sampling device from the drainage bag 100 through the three-way valve 30; or the T-shaped knob 32 is rotated to make the second interface 312 and the third interface 313 communicate with each other and not communicate with the first interface 311. The liquid enters the sampling device from the puncture and drainage tube 40 through the three-way valve 30 .

When the drainage bag 100 needs to be flushed continuously, the second interface 312 is threadedly connected to the puncture drainage tube 40, and the third interface 313 is connected to a syringe with flushing fluid or an infusion bag with flushing fluid and an infusion strap, and the T-shaped knob 32 is rotated to make the first The first interface 311 , the second interface 312 and the third interface 313 communicate with each other. At this time, continuous irrigation can be performed while maintaining drainage to keep drainage unobstructed.

When it is necessary to inject medicine or flushing fluid into the puncture and drainage tube 40, the second interface 312 is threadedly connected to the puncture and drainage tube 40, and the third interface 313 is connected with a syringe with flushing fluid (or medicine) or a syringe with flushing fluid (or medicine). For the infusion bag and the infusion strap, the T-shaped knob 32 is rotated to make the third interface 313 and the second interface 312 communicate with each other and not communicate with the first interface 311 . At this time, medicine or flushing fluid may be injected into the puncture and drainage tube 40 according to actual clinical needs.

If two drainage bags are required, two drainage bags 100 provided in this embodiment can be used at the same time, wherein the second interface 312 of one drainage bag 100 is threadedly connected to the puncture drainage tube 40, and then the second drainage bag 100 of the other drainage bag 100 is used. The interface 312 is docked with the third interface 313 of the first drainage bag 100, and the tee is rotated to an appropriate position. (If more drainage bags are needed, it can be analogized) The capacity of drainage can be increased. At this time, if two bags of drainage fluid need to be sent for inspection separately, they can be directly sent for inspection to ensure that the two bags of drainage fluid have the same composition and will not be affected by the later inspection. Dumping liquids can cause contamination and affect results.

Action and effect of the embodiment

The drainage tube according to the embodiment includes a drainage bag body, a drainage bag tube and a three-way valve, and one of the ports of the three-way valve has an internal thread matching the terminal end of the puncture drainage tube. Therefore, the drainage tube of this embodiment can be directly threadedly connected to the puncture drainage tube without using other connecting parts, which is convenient to use. When the drainage bag is full, it is also convenient to replace the drainage bag.

Further, according to the drainage tube involved in the embodiment, because the drainage tube and the drainage bag are in a straight line, the drainage is smoother, and the operation when docking the puncture drainage tube is more convenient.

Further, according to the drainage tube involved in the embodiment, because it includes a drainage bag body, a drainage bag tube, and a three-way valve, and one interface of the three-way valve can be used to connect with the drainage fluid sampling device, the present embodiment is used to retain the drainage tube. There is no need to remove the drainage bag during drainage, thus avoiding potential drainage contamination and extravasation.

Further, the drainage tube according to the embodiment includes a drainage bag body, a drainage bag tube and a three-way valve, and an interface of the three-way valve can be used to connect with a syringe or an infusion strap, so when the drainage fluid is viscous. If there are many impurities and the drainage is not smooth, continuous flushing can be carried out while maintaining the drainage to keep the drainage unobstructed, or inject drugs or flushing liquid into the puncture and drainage tube according to the actual clinical needs.

The above-mentioned embodiments are preferred cases of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (1)

1. a drainage bag, is characterized in that, comprises: Drainage bag body; a drainage bag tube, one end of which is communicated with the drainage bag body; and The three-way valve has a first port, a second port and a third port, Wherein, the first interface is fixedly connected with the end of the drainage bag tube away from the drainage bag body, The three-way valve includes: The main body of the three-way valve is a hollow cylinder, and the outer surface is provided with a first interface, a second interface and a third interface; The three-way valve core is a hollow cylinder, and the outer surface has three through holes, which are embedded in the three-way valve main body and coaxial with the three-way valve main body; The T-shaped knob is fixedly arranged on the three-way valve core, and is used to drive the three-way valve core to rotate relative to the three-way valve body; The protection inner core has an outer thread compatible with the inner thread of the second interface, and is fixed on the second interface through screw connection when the second interface is not in use; and a protective cap, which has an inner thread compatible with the outer thread of the third interface, and is used to be fixed on the third interface through a threaded connection, The three ends of the T-shaped knob correspond to the three through holes respectively, and are used to indicate the positions of the three through holes when the three-way valve core rotates, The second interface is a male interface with an internal thread, The third interface is a female interface and has external threads.

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