CN209500380U - A kind of collecting device for body fluids being completed at the same time injection and collection of specimens function - Google Patents

Abstract

The utility model relates to field of mechanical technique, in particular a kind of collecting device for body fluids that can be completed at the same time injection and collection of specimens function, including drainage bag, the upper end of drainage bag is equipped with the first drainage tube, the top of drainage bag is equipped with triple valve, lower through-tube, upper siphunculus and side siphunculus are successively arranged on triple valve counterclockwise, valve knob is additionally provided on triple valve, rubber plug is equipped in the siphunculus of side, rubber plug is equipped with limit film, the top of triple valve is equipped with puncture tube, and the lower end of puncture tube is equipped with the second drainage tube, and the side of triple valve is equipped with syringe.The utility model is by increasing triple valve between traditional drainage bag and puncture tube, medical staff can be under the premise of not destroying drainage tube airtightness, take the flushing cleaning that syringe completes hydrops collection of specimens, the injection of drug body cavity and external drainage tube by triple valve, it reduces and dismantles pollution problem caused by drainage bag repeatedly, and reduce medical and nursing work amount, reduce consumptive material usage amount.

Description

A body fluid collection device that can simultaneously complete the functions of drug injection and specimen collection

technical field

The utility model relates to the technical field of machinery, in particular to a body fluid collection device which can simultaneously complete the functions of drug injection and specimen collection.

Background technique

Body cavity effusion is a common clinical disease, such as pleural effusion, ascites, etc., an important method of treatment is to drain the effusion through puncture. Thoracentesis and paracentesis are puncture techniques that clinicians must master. The routine operation is to place a drainage tube in the body cavity and then connect a drainage bag. During the drainage process, if you need to obtain fluid samples for testing or inject drugs into the body cavity through the drainage tube During treatment, the drainage bag needs to be removed, and the body cavity catheter port is exposed to the air, which increases the chances of external bacterial infection and fluid leakage, and increases the workload of medical staff for disinfection and replacement of the drainage bag. In view of this, we propose a body fluid collection device that can simultaneously complete the functions of drug injection and specimen collection.

Utility model content

The purpose of the present invention is to provide a body fluid collection device that can simultaneously complete the functions of drug injection and specimen collection, so as to solve the problems raised in the above-mentioned background art.

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

A body fluid collection device that can simultaneously complete the functions of drug injection and specimen collection, comprising a drainage bag, the upper end of the drainage bag is provided with a first drainage tube, the upper part of the drainage bag is provided with a three-way valve, and the three-way valve is provided on the upper part of the drainage bag. A lower passage, an upper passage and a side passage are arranged in order in a counterclockwise direction, the three-way valve is also provided with a valve knob, the side passage is provided with a rubber stopper, and the rubber stopper is provided with a limit piece A puncture tube is arranged above the three-way valve, a second drainage tube is arranged at the lower end of the puncture tube, and a syringe is arranged on one side of the three-way valve.

Preferably, a connection cylinder is provided between the drainage bag and the three-way valve, an inner thread is provided on the inner side wall of the lower end of the connection cylinder, a connection hose is provided on the upper end of the connection cylinder, and the connection is flexible. The pipe and the connecting cylinder are integrally formed, and the top end of the connecting hose is fixedly clamped in the down-pass pipe.

Preferably, the bottom end of the first drainage tube is fixedly clamped in the drainage bag, the outer side wall of the top end of the first drainage tube is provided with an outer thread matched with the inner thread, and the first drainage tube is provided with an outer thread matching the inner thread. The top end of the drainage tube is threadedly connected with the connecting cylinder.

Preferably, the lower passage, the upper passage and the side passage are integrally formed, and the valve knob is rotatably connected to the three-way valve.

Preferably, the diameter of the rubber plug is equal to the inner diameter of the side passage pipe, the rubber plug is snap-fitted with the side passage pipe, the limiting piece and the rubber plug are integrally formed, and the The diameter of the limiting piece is larger than the diameter of the rubber stopper.

Preferably, the top end of the second drainage tube is fixedly clipped in the puncture tube, and the bottom end of the second drainage tube is fixed clipped in the upper through tube.

Preferably, the outer diameter of the nipple of the syringe is equal to the inner diameter of the side passage tube, and the nipple of the syringe is snap-fitted with the side passage tube.

Compared with the prior art, the beneficial effects of the present utility model are: the utility model adds a three-way valve between the traditional drainage bag and the puncture tube, so that medical staff can use a syringe to pass The three-way valve completes the collection of effusion samples, the injection of drugs into the body cavity and the flushing and cleaning of the external drainage tube, which reduces the pollution caused by repeated disassembly of the drainage bag, reduces the workload of medical care and reduces the consumption of consumables.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

2 is a schematic diagram of the overall structure of the three-way valve of the present invention;

Fig. 3 is the overall structure schematic diagram of the second embodiment of the present utility model;

FIG. 4 is a schematic structural diagram of the connecting cylinder of the present invention.

In the figure: 1. Drainage bag; 11. First drainage tube; 111. External thread; 2. Three-way valve; , rubber stopper; 251, limit piece; 3, puncture tube; 31, second drainage tube; 4, syringe; 5, connecting cylinder; 501, internal thread; 51, connecting hose.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer" and "counterclockwise" is Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot It is understood as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature.

Example 1

A body fluid collection device that can simultaneously complete the functions of drug injection and specimen collection, as shown in Figure 1-2, includes a drainage bag 1, the upper end of the drainage bag 1 is provided with a first drainage tube 11, and the upper part of the drainage bag 1 is provided with a tee Valve 2, the three-way valve 2 are provided with a lower passage pipe 21, an upper passage pipe 22 and a side passage pipe 23 in a counterclockwise direction. The three-way valve 2 is also provided with a valve knob 24, and the side passage pipe 23 has a rubber The stopper 25 is provided with a limiting piece 251 on the rubber stopper 25 , a puncture tube 3 is provided above the three-way valve 2 , a second drainage tube 31 is provided at the lower end of the puncture tube 3 , and a syringe 4 is provided on one side of the three-way valve 2 .

In this embodiment, the bottom end of the first drainage tube 11 is fixedly clipped in the drainage bag 1 and sealed by melting, and the top end of the first drainage tube 11 is fixedly clipped in the lower through tube 21 and sealed by melting, and the first drainage tube 11 passes through the first drainage tube. The tube 11 connects the drainage bag 1 and the three-way valve 2 as a whole to prevent the pipeline from slipping.

In this embodiment, the lower passage 21 , the upper passage 22 and the side passage 23 are integrally formed, and the valve knob 24 is rotatably connected to the three-way valve 2 .

Further, the diameter of the rubber stopper 25 is equal to the inner diameter of the side passage tube 23 , and the rubber stopper 25 is snap-fitted with the side passage tube 23 . The orifice of the tube 23 is tightly plugged and sealed to prevent external impurities from entering and causing the orifice of the side-pass tube 23 to be polluted or breed bacteria.

Further, the limiting piece 251 and the rubber stopper 25 are integrally formed, and the diameter of the limiting piece 251 is larger than the diameter of the rubber stopper 25, so as to prevent the rubber stopper 25 from entering the side channel 23 and being difficult to pull out. The position piece 251 can easily pull out the rubber plug 25 .

Specifically, the rubber stopper 25 is made of medical grade latex, and its material is soft and elastic, and has a large frictional force, which can effectively seal the mouth of the side through-pipe 23 .

In addition, the three-way valve 2 involved in this embodiment adopts a plug three-way valve with the brand name Aibel produced and provided by Guangdong Baihe Medical Technology Co., Ltd., and the matching accessories are also provided by the manufacturer. In addition, the three-way valve 2 involved in this embodiment is an existing technology, which can be realized by those skilled in the art. It is needless to say that the content of the protection of the present invention does not involve any changes to the structure and working principle of the three-way valve 2. Improve.

In this embodiment, the top end of the second drainage tube 31 is fixedly clipped in the puncture tube 3 and sealed by melting, and the bottom end of the second drainage tube 31 is fixedly clipped in the upper through tube 22 and sealed by melting, The drainage tube 31 connects the puncture tube 3 and the three-way valve 2 as a whole, puncture the puncture tube 3 into the patient's body, and rotate the valve knob 24 to make the lower tube 21 communicate with the upper tube 22, and the drainage bag 1 can be passed through. Drain fluid from the patient's body.

In this embodiment, the outer diameter of the nipple of the syringe 4 is equal to the inner diameter of the side passage tube 23 , and the nipple of the syringe 4 is snap-fitted with the side passage tube 23 .

Specifically, when the effusion sample needs to be obtained, an empty sterile syringe 4 is taken first, the nipple of the syringe 4 is clamped into the side passage tube 23, and the valve knob 24 is rotated to make the upper passage tube 22 and the side passage tube 23 Connect, pull the piston rod of the syringe 4 to obtain a fresh effusion sample; when it is necessary to inject medicine through the drainage tube, first rotate the valve knob 24 to connect the upper through tube 22 with the side through tube 23, and use the syringe 4 to extract the medicine Then clip into the side passage pipe 23 for injection; when the drainage pipe needs to be rinsed and cleaned, first rotate the valve knob 24 to make the upper passage pipe 22 communicate with the side passage pipe 23, and use the syringe 4 to extract an appropriate amount of The cleaning liquid is clamped into the side channel 23, the cleaning solution is injected, and then the valve knob 24 is rotated to connect the lower channel 21 and the upper channel 22, the cleaning solution is drained through the drainage bag 1, and the cleaning solution flows through the second channel. The drainage tube 31 and the first drainage tube 11 complete the cleaning of the drainage tube.

Example 2

As the second embodiment of the present invention, the structure of the general drainage bag 1 is fixed. When the drainage bag 1 is full, the drainage tube in the patient needs to be pulled out and replaced with a new drainage bag 1 and drainage tube. It brings pain and wastes time and resources. In order to facilitate the replacement of the drainage bag 1 at any time, the inventor has made the following improvements on the basis of Example 1. As a preferred embodiment, as shown in Figures 3-4, the drainage bag A connecting cylinder 5 is provided between the 1 and the three-way valve 2 , and a connecting hose 51 is provided on the upper end of the connecting cylinder 5 .

In this embodiment, the connecting hose 51 and the connecting cylinder 5 are integrally formed, the top end of the connecting hose 51 is fixedly clamped in the lower passage 21 and sealed by melting, and the connecting cylinder 5 and the three-way valve are connected by the connecting hose 51 2 are connected as a whole to prevent the connecting cylinder 5 from falling off.

Further, an inner thread 501 is provided on the inner side wall of the lower end of the connecting cylinder 5, an outer thread 111 matched with the inner thread 501 is provided on the top outer side wall of the first drainage pipe 11, and the top end of the first drainage pipe 11 is connected to the connecting cylinder. 5. The threaded connection is convenient for disassembly and replacement, and the threaded connection can effectively improve the tightness and tightness of the connection between the first drainage pipe 11 and the connecting cylinder 5.

Specifically, the connecting cylinder 5 and the connecting hose 51 in this embodiment are all made of medical grade silicone rubber, which is soft, self-willed, large in friction, wear-resistant and durable.

When the body fluid collection device of the present invention, which can simultaneously complete the functions of drug injection and specimen collection, is used, the collection device is firstly taken, and the puncture tube 3 is inserted into the body of the patient according to the routine operation and fixed, and then the valve knob 24 is rotated to make the downward passage The tube 21 is communicated with the upper passage tube 22, and the effusion is drained through the drainage bag 1. When it is necessary to extract the effusion specimen, inject the drug into the body cavity or flush the drainage tube, turn the valve knob 24 to make the upper passage tube 22 connect to the side. The tube 23 is connected, pull out the rubber stopper 25 and use the syringe 4 for routine operations. After the operation is completed, re-tighten the rubber stopper 25; Clamp, then quickly unscrew the first drainage tube 11 from the connecting cylinder 5, take a new sterile drainage bag 1 and connect it into the connecting cylinder 5, and finally remove the hemostatic forceps.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Under the premise of the spirit and scope, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A bodily fluid collection device capable of simultaneously completing the functions of drug injection and specimen collection, comprising a drainage bag (1), characterized in that: the upper end of the drainage bag (1) is provided with a first drainage tube (11), and the A three-way valve (2) is arranged above the drainage bag (1), and a lower passage (21), an upper passage (22) and a side passage (23) are sequentially arranged on the three-way valve (2) in a counterclockwise direction. ), a valve knob (24) is also provided on the three-way valve (2), a rubber stopper (25) is arranged in the side passage pipe (23), and a limiting piece (25) is arranged on the rubber stopper (25). 251), a puncture tube (3) is arranged above the three-way valve (2), a second drainage tube (31) is arranged at the lower end of the puncture tube (3), and a A syringe (4) is provided on the side. 2. The bodily fluid collection device capable of simultaneously completing the functions of drug injection and specimen collection according to claim 1, characterized in that: a connecting cylinder ( 5), an inner thread (501) is provided on the inner side wall of the lower end of the connecting cylinder (5), a connecting hose (51) is provided on the upper end of the connecting cylinder (5), and the connecting hose (51) is The connecting cylinder (5) is an integral molding structure, and the top end of the connecting hose (51) is fixedly clamped in the down-pass pipe (21). 3. The bodily fluid collection device capable of simultaneously completing the functions of drug injection and specimen collection according to claim 2, wherein the bottom end of the first drainage tube (11) is fixedly clamped to the drainage bag (1) Inside, the outer side wall of the top end of the first drainage tube (11) is provided with an outer thread (111) matched with the inner thread (501), and the top end of the first drainage tube (11) is connected to the The barrel (5) is threaded. 4. The body fluid collection device capable of simultaneously completing the functions of drug injection and specimen collection according to claim 1, characterized in that: the lower passage (21), the upper passage (22) and the side passage (23) An integral molding structure, the valve knob (24) is rotatably connected with the three-way valve (2). 5. The body fluid collection device capable of simultaneously completing the functions of drug injection and specimen collection according to claim 1, characterized in that: the diameter of the rubber stopper (25) is equal to the inner diameter of the side channel (23), so The rubber stopper (25) is snap-fitted with the side passage pipe (23), the limiting piece (251) and the rubber stopper (25) are integrally formed, and the diameter of the limiting piece (251) is larger than the diameter of the rubber stopper (25). 6. The bodily fluid collection device capable of simultaneously completing the functions of drug injection and specimen collection according to claim 1, characterized in that: the top of the second drainage tube (31) is fixedly clamped in the puncture tube (3) , the bottom end of the second drainage pipe (31) is fixedly clamped in the upper through pipe (22). 7. The bodily fluid collection device according to claim 1, characterized in that: the outer diameter of the nipple of the syringe (4) is equal to the inner diameter of the side channel (23), The nipple of the syringe (4) is snap-fitted with the side channel (23).