CN207462361U - The drainage bag of catheter and the adapter of catheter - Google Patents

Abstract

The utility model discloses a drainage bag for a urinary catheter, which comprises a bag body, the bag body is provided with a diversion joint connected with the drainage port of the catheter, and the diversion joint is provided with an anti-backflow For the first one-way valve, the bag body is also provided with a drainage joint communicating with the water injection port of the catheter, and the second one-way valve for preventing backflow is provided on the drainage joint. The utility model also discloses an adapter for the urinary catheter. It can be seen from the above scheme that the diversion connector on the bag body is connected with the drainage port of the catheter, and the urine can be continuously and effectively drained. After the catheterization is completed, directly connect the drainage connector on the bag body to the water injection port of the catheter The connection allows the water in the air bag to be discharged into the bag body, which is convenient for pulling out the catheter. The operation is simple, no other tools are needed, and manpower is saved. The setting of the first one-way valve and the second one-way valve only allows urine and water flow to the direction of the bag body, avoiding the reverse flow of urine and water.

Description

Drainage bags for catheters and adapters for catheters

technical field

The utility model relates to the technical field of medical appliances, in particular to a catheter drainage bag and a catheter adapter.

Background technique

There are many types of surgical drainage tubes used clinically, and some are used for wounds, abdominal cavity, gastrointestinal tract, biliary tract, bladder, etc. After the operation, when the patient is inconvenient to urinate, catheterization is required. The main purpose is to guide the urine in the bladder to the outside of the body to prevent the patient from holding back urine and swelling of the bladder. A catheter is required. During the drainage process, Insert the catheter through the urethra into the bladder to drain urine. After the catheter is inserted into the bladder, there is a balloon near the head of the catheter to fix the catheter in the bladder. There is a water injection port on the catheter. It is connected with the airbag, and after the airbag is inflated by injecting water from the water injection port with a syringe, the water injection port has a sealed structure, which can prevent water from leaking out, and the catheter is not easy to come out of the bladder, and then the drainage bag is connected to the drainage port of the catheter, and the urine Continuous and effective drainage is possible, and urine reflux must be prevented, so anti-reflux drainage bags are widely used.

However, after the catheterization is completed, it is usually necessary to use a syringe and other devices to connect with the water injection port of the catheter, so that the water in the air bag can be discharged, and the catheter is pulled out. This operation is cumbersome and requires the help of other tools, which consumes manpower and labor. time.

Contents of the invention

The utility model overcomes the deficiencies of the prior art, and provides a catheter drainage bag and a catheter adapter, which can be directly connected to the water injection port of the catheter after the catheter is completed, which is convenient for the drainage in the air bag. Water discharge, easy operation, simple structure.

In order to achieve the above object, the utility model adopts a technical solution: a drainage bag for a urinary catheter, including a bag body, and the bag body is provided with a diversion joint connected with the drainage port of the urinary catheter. The diversion joint is provided with a first one-way valve to prevent backflow, and the bag body is also provided with a drainage joint connected with the water injection port of the catheter, and the drainage joint is provided with a second one-way valve to prevent backflow. valve.

It can be seen from the above scheme that the diversion connector on the bag body is connected with the drainage port of the catheter, and the urine can be continuously and effectively drained. After the catheterization is completed, directly connect the drainage connector on the bag body to the water injection port of the catheter The connection allows the water in the air bag to be discharged into the bag body, which is convenient for pulling out the catheter. The operation is simple, no other tools are needed, and manpower is saved. The setting of the first one-way valve and the second one-way valve only allows urine and water flow to the direction of the bag body, avoiding the reverse flow of urine and water.

The further setting of the utility model is that: the bag body is provided with an adapter, the adapter is provided with a cavity, the diversion joint communicates with the cavity, the drainage joint communicates with the cavity, and the adapter The joint is provided with a liquid outlet communicating with the bag body.

It can be seen from the above scheme that the bag body is connected with an adapter, the diversion joint and the drainage joint are respectively arranged on the adapter, the liquid outlet of the adapter is connected with the bag body through a catheter, and the urine exported from the catheter and the urine discharged from the air bag All the water can flow into the bag body through the conduits, and there is no need to use different conduits to connect to the bag body, which saves materials.

The further setting of the utility model is: the first opening and the second opening are opened on the adapter joint, the first step is provided on the diversion joint to snap fit with the first opening, and the drainage joint is provided with The second step is clip-fitted with the second opening.

It can be seen from the above scheme that the adapter is provided with a first opening and a second opening, the diversion joint is clamped at the first opening through the first step, the drain joint is clamped at the second opening through the second step, and the diversion joint Both the drain joint and the drain joint are in a tight fit state to avoid liquid leakage in the adapter joint, and the installation method is simple and firm.

A further setting of the utility model is: the first one-way valve and the first one-way valve are both duckbill valves, the diversion joint has a first protrusion extending into the cavity, and the drainage joint extends into the cavity A second protruding post is extended, the first one-way valve is sleeved on the first protruding post, and the first one-way valve is sleeved on the second protruding post.

From the above scheme, it can be known that the first convex post and the diversion joint are connected to each other, and the liquid can enter the cavity through the first convex post; the second convex post and the drainage joint are connected to each other, and the water can enter the cavity through the second convex post. Both the first protruding post and the second protruding post are arranged in the cavity, the first one-way valve is fixedly connected with the first protruding post, so as to realize the one-way communication between the diversion joint and the cavity, and the second one-way valve and the second protruding post Fixed connection to realize one-way communication between the drain joint and the cavity, avoiding the reverse flow of liquid in the adapter. The duckbill one-way valve is made of rubber, which can undergo elastic deformation. The fixed ends are respectively sleeved on the first boss and The second convex column has simple connection and stable installation. The liquid outlet includes two inclined surfaces. The intersection of the inclined surfaces is provided with a channel for liquid to pass through. When the liquid enters the cavity from the one-way valve, the outlet of the one-way valve The liquid end is deformed, the channel is opened, and the liquid can flow into the cavity; on the contrary, when the liquid flows back from the cavity back to the catheter, the liquid washes the inclined surface, and the inclined surface closes the channel under the force, avoiding the liquid backflow.

In order to achieve the above purpose, the utility model also adopts a technical solution: an adapter for a urinary catheter, including an adapter body, and the adapter body is provided with a diversion port that communicates with the drainage port of the catheter joint and the liquid outlet connected with the drainage bag, the adapter body is also provided with a drainage joint connected with the water injection port of the catheter, and the drainage joint is provided with a plug to prevent the drainage joint and the diversion joint from conducting each other. stop structure.

From the above scheme, it can be seen that the diversion joint on the adapter body is connected with the drainage port of the urinary catheter, and the liquid outlet is connected with the drainage bag, so that the urine can be continuously and effectively drained to the drainage bag. The drainage joint on the joint body is connected to the water injection port of the catheter, so that the water in the air bag can be discharged into the bag body, and the catheter can be easily pulled out. The operation is simple, no other tools are needed, and manpower is saved. The setting of the stop structure , Only allow urine and water to flow in the direction of the bag body, avoid urine and water backflow.

A further configuration of the present invention is: a cavity is provided in the adapter body, the diversion joint communicates with the cavity, and the drainage joint communicates with the cavity.

It can be seen from the above scheme that the diversion joint and the drainage joint are respectively arranged on the adapter body, the diversion joint communicates with the cavity, and the drainage joint communicates with the cavity, so that the urine exported from the catheter and the water discharged from the air bag can be passed through The conduit flows into the bag body, and different conduits do not need to be connected to the bag body respectively, thereby saving materials.

A further setting of the present utility model is: the stop structure includes a first one-way valve arranged on the diversion joint and a second one-way valve arranged on the drain joint.

It can be seen from the above scheme that the setting of the first one-way valve realizes the one-way communication between the diversion joint and the cavity, and prevents the liquid from flowing backward in the cavity; the setting of the second one-way valve realizes the one-way communication between the drain joint and the cavity , to prevent the backflow of liquid in the cavity.

The further setting of the utility model is: the first one-way valve and the first one-way valve are both duckbill valves, the diversion joint has a first convex post extending into the cavity, and the drainage joint extends into the cavity There is a second protrusion, the first one-way valve is sleeved on the first protrusion, and the first one-way valve is sleeved on the second protrusion.

From the above scheme, it can be known that the first convex post and the diversion joint are connected to each other, and the liquid can enter the cavity through the first convex post; the second convex post and the drainage joint are connected to each other, and the water can enter the cavity through the second convex post. Both the first protruding post and the second protruding post are arranged in the cavity, the first one-way valve is fixedly connected with the first protruding post, so as to realize the one-way communication between the diversion joint and the cavity, and the second one-way valve and the second protruding post Fixed connection to realize one-way communication between the drain joint and the cavity, avoiding the reverse flow of liquid in the adapter. The duckbill one-way valve is made of rubber, which can undergo elastic deformation. The fixed ends are respectively sleeved on the first boss and The second convex column has simple connection and stable installation. The liquid outlet includes two inclined surfaces. The intersection of the inclined surfaces is provided with a channel for liquid to pass through. When the liquid enters the cavity from the one-way valve, the outlet of the one-way valve The liquid end is deformed, the channel is opened, and the liquid can flow into the cavity; on the contrary, when the liquid flows back from the cavity back to the catheter, the liquid washes the inclined surface, and the inclined surface closes the channel under the force, avoiding the liquid backflow.

A further setting of the utility model is that: the adapter body is provided with a first opening and a second opening, the diversion joint is provided with a first step that snaps and fits with the first opening, and the drainage joint is There is a second step snap fit with the second opening.

It can be seen from the above scheme that the body of the adapter is provided with a first opening and a second opening, the diversion joint is clamped at the first opening through the first step, the drain joint is clamped at the second opening through the second step, and the diversion Both the connector and the drain connector are in a tightly fitted state to avoid liquid leakage in the adapter, and the installation method is simple and firm.

Below in conjunction with accompanying drawing, the utility model is further described.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the utility model in use;

Fig. 2 is a schematic diagram of the explosion structure of the utility model;

Fig. 3 is a schematic diagram of the side structure of the adapter;

Fig. 4 is the A-A sectional schematic diagram of Fig. 3;

Figure 5 is a schematic structural view of the adapter;

Fig. 6 is the structural representation of duckbill valve;

Fig. 7 is a schematic diagram of another embodiment of the one-way valve structure in the utility model;

Fig. 8 is a schematic diagram of another embodiment 2 of the one-way valve structure in the present invention.

Detailed ways

As shown in Figures 1-6, a catheter drainage bag and a catheter adapter include a bag body 1, which is provided with a drainage joint that communicates with the drainage port 21 of the catheter 2 3. The diversion joint 3 is provided with a first one-way valve 4 for preventing backflow, and the bag body 1 is also provided with a drainage joint 5 communicating with the water injection port 22 of the catheter 2, and the drainage joint 5 is provided with an anti-backflow valve. The second one-way valve 6.

In this embodiment, an adapter 7 is provided on the bag body 1, and a cavity 71 is arranged inside the adapter 7. The diversion joint 3 communicates with the cavity 71, and the drain joint 5 communicates with the cavity 71. There is a liquid outlet 72 communicating with the bag body 1 , and the liquid outlet 72 communicates with the bag body 1 through a conduit 75 . The diversion joint 3 and the drainage joint 5 can also be separated separately, and they communicate with the bag body 1 through pipelines respectively.

In this embodiment, the adapter 7 is provided with a first opening 73 and a second opening 74, the diversion joint 3 is provided with a first step 31 snap-fitted with the first opening 73, and the drain joint 5 is provided with a The second opening 74 snaps into the second step 51 . The diversion joint 3 and the drainage joint 5 can also adopt other sealing methods to realize the sealed installation with the adapter 7 .

In this embodiment, both the first one-way valve 4 and the second one-way valve 6 are duckbill valves, the diversion joint 3 has a first protrusion 32 extending into the cavity 71 , and the drainage joint 5 is in the cavity 71 A second protrusion 52 is extended, the first one-way valve 4 is sleeved on the first protrusion 32 , and the second one-way valve 6 is sleeved on the second protrusion 52 . A one-way valve can also be arranged at the place where the conduit 75 connects to the bag body 1 .

In this embodiment, the bag body 1 is provided with an inlet 11 connected to the conduit 75 and an outlet 12 for draining liquid, and a switch 13 is provided at the outlet 12 .

As shown in Figure 7, it is another embodiment one of realizing the one-way liquid one-way check valve in the present invention: the third one-way valve 8 includes a valve body 81 and a valve core 82, and the valve body 81 is provided with a valve chamber 83, and The inlet 84 and the outlet 85 communicated with the valve chamber 83, the spool 82 can be slidably arranged in the valve chamber 83, the inlet 84 is connected to the boss, and the outlet 85 is connected to the cavity, and the spool 82 includes a valve plate 821 and a guide post 822, the valve plate 821 is tightly matched with the inlet 84, the diameter of the valve plate 821 is larger than the diameter of the inlet 84, the guide column 822 is perpendicular to the valve plate 821, and the inner wall of the valve chamber 83 is uniformly distributed along its circumference. Between the outlet 85 and the valve plate 821 , four support columns 86 form a hole 87 for the guide column 822 to slide.

As shown in Figure 8, it is the second embodiment of the utility model to realize the liquid one-way through check valve: the fourth one-way valve 9 includes a valve body 91 and a valve core 92, and the valve body 91 is provided with a valve chamber 93, and The inlet 94 and the outlet 95 communicated with the valve cavity 93, the spool 92 can be slidably arranged in the valve cavity 93, the inlet 94 is connected with the boss, the outlet 95 is connected with the cavity, and the spool 92 includes a valve plate 921 and a guide. Column 922, valve plate 921 is sealed with inlet 94, the diameter of valve plate 921 is larger than the caliber of inlet 94, guide post 922 is perpendicular to valve plate 921, and is placed between outlet 95 and valve plate 921, outlet 95 leads to valve chamber 91 There is a convex tube 96 extending inside, and the convex tube 96 and the guide post 922 are guided and slidably matched. Four through holes 961 are evenly distributed along the axial direction of the convex tube 96, which is convenient for the drainage fluid to flow and prevents the valve plate 921 from closing the outlet 95. .

Claims (9)

1. a kind of drainage bag of catheter, including marsupial body, the bag body is equipped with the water conservancy diversion connected with the draining hole of catheter Connector, the flow guiding connector are equipped with the first check valve of counterflow-preventing, it is characterised in that：It is additionally provided on the bag body and catheter Water filling port connection drainage joint, the drainage joint be equipped with counterflow-preventing the second check valve.

2. the drainage bag of catheter according to claim 1, it is characterised in that：The bag body is equipped with adapter, described Cavity is provided in adapter, the flow guiding connector is connected with cavity, and the drainage joint is connected with cavity, on the adapter Equipped with the liquid outlet connected with bag body.

3. the drainage bag of catheter according to claim 2, it is characterised in that：The first opening is offered on the adapter With the second opening, the flow guiding connector is equipped with the first ladder being engaged by clamping with the first opening, and the drainage joint is equipped with The second ladder being engaged by clamping with the second opening.

4. the drainage bag of catheter according to claim 3, it is characterised in that：First check valve and the first check valve It is duckbill valve, the flow guiding connector is extended with the first pillar into cavity, and the drainage joint is extended with second into cavity Pillar, first check valve are sheathed on the first pillar, and first check valve is sheathed on the second pillar.

5. a kind of adapter of catheter, includes adapter ontology, the adapter ontology is equipped with the drainage with catheter The flow guiding connector of mouth connection and the liquid outlet connected with drainage bag, it is characterised in that：Be additionally provided on the adapter ontology with The drainage joint of the water filling port connection of catheter, the drainage joint, which is equipped with, prevents drainage joint and flow guiding connector mutual conduction Only logical structure.

6. the adapter of catheter according to claim 5, it is characterised in that：Cavity is equipped in the adapter ontology, The flow guiding connector is connected with cavity, and the drainage joint is connected with cavity.

7. the adapter of catheter according to claim 5 or 6, it is characterised in that：The only logical structure includes being arranged on The first check valve on flow guiding connector and the second check valve being arranged on drainage joint.

8. the adapter of catheter according to claim 7, it is characterised in that：First check valve and the first check valve It is duckbill valve, the flow guiding connector is extended with the first pillar into cavity, and the drainage joint is extended with second into cavity Pillar, first check valve are sheathed on the first pillar, and first check valve is sheathed on the second pillar.

9. the adapter of catheter according to claim 5 or 6, it is characterised in that：It is offered on the adapter ontology First opening and the second opening, the flow guiding connector are equipped with the first ladder being engaged by clamping with the first opening, and the draining connects Head is equipped with the second ladder being engaged by clamping with the second opening.