CN220967781U

CN220967781U - Chest drainage bag capable of preventing backflow

Info

Publication number: CN220967781U
Application number: CN202321958587.8U
Authority: CN
Inventors: 覃春涛; 杨明磊; 朱黄凯
Original assignee: Ningbo No2 Hospital
Current assignee: Ningbo No2 Hospital
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-05-17
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses a chest drainage bag capable of preventing backflow, which comprises a drainage bag inner bag, a threaded rod, a backflow baffle, a drainage bag outer bag, a water outlet pipe and a drain outlet, wherein the drainage bag outer bag is fixedly arranged on the outer side of the drainage bag inner bag, a water inlet is fixedly arranged at the upper end of the drainage bag outer bag, the water outlet pipe is fixedly arranged at the lower end of the drainage bag inner bag, a water control valve is fixedly arranged at the water outlet pipe, a rotary shaft II is rotatably arranged in the water inlet, a filter plate is fixedly arranged on the rotary shaft II, a filter screen is fixedly arranged in the water inlet, and the drain outlet is formed in the water inlet. This chest drainage bag of preventing flowing backwards separates hydrops and necrotic tissue through installing drainage bag outer bag additional and installing filter screen and rotation filter in water inlet department, filters necrotic tissue to drainage bag outer bag in, and the hydrops then flows into drainage bag inner bag through the filter screen, has effectually prevented that the outlet pipe from being stopped up by necrotic tissue.

Description

Chest drainage bag capable of preventing backflow

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a backflow-preventing thoracic drainage bag.

Background

The drainage tube is a medical instrument for guiding pus, blood and liquid accumulated in human tissues or cavities to the outside of the body for preventing postoperative infection and promoting wound healing, and the clinically applied surgical drainage tube is various in types, and is used for catheterization, and the clinically applied surgical drainage tube is used for guiding the pus, blood and liquid accumulated in human tissues or cavities to the outside of the body for preventing postoperative infection and affecting wound healing.

The method comprises the following steps: CN209630297U discloses a chest negative pressure drainage bag, mainly relates to the negative pressure drainage field. The utility model provides a chest negative pressure drainage bag, includes the bag body, bag body top sets up linkage, the internal elastic support frame that sets up of bag, bag body top sets up the drainage tube, bag body top sets up the pressure regulating bottle, set up communicating pipe, pressure regulating pipe and suction tube in the pressure regulating bottle, 1-2 cm below the normal saline liquid level is inserted to the communicating pipe, the communicating pipe other end is linked together with the internal chamber of bag, the pressure regulating pipe intercommunication is external, 8-12 cm departments below the normal saline liquid level are inserted to the pressure regulating pipe, one end is located the liquid level in the pressure regulating bottle is inserted to the suction tube, the suction tube is located the outside one end of pressure regulating bottle and is connected with the aspirator. The utility model has the beneficial effects that: the elastic support frame with pressure protection is added, so that the device is simpler to connect and use and better in use effect.

But the device is when having increased drainage effect, in the use, when liquid in the stock solution bag is full of soon or the transfer line is suffered the striking, liquid can take place the refluence, and influence user's health to the postoperative connects drainage bag hydrothorax or ascites, can drain out necrotic tissue under the general circumstances, and the drainage bag fills hydrothorax or ascites back and discharges from the export below the drainage bag, if there is the export that will block up to lead to discharging unsmooth, even the staff extrudes the drainage tube and also can not solve the problem of jam, causes the influence to patient's use.

Disclosure of utility model

The utility model aims to provide a chest drainage bag capable of preventing backflow, so as to solve the problems that backflow is possibly caused and a water outlet under the drainage bag is blocked by necrotic tissues when the infusion tube provided in the background art is used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a chest drainage bag of preventing flowing backwards, includes drainage bag inner bag, threaded rod, backward flow baffle, drainage bag outer bag, outlet pipe and drain, drainage bag outer bag is fixed mounting in the drainage bag inner bag outside, and drainage bag outer bag upper end fixed mounting has the water inlet to drainage bag inner bag lower extreme fixed mounting has the outlet pipe, and outlet pipe fixed mounting has the water control valve simultaneously, the rotation is installed to the water inlet inside rotation has rotation axis two, and fixed mounting has the filter on the rotation axis two, and water inlet inside fixed mounting has the filter screen, has offered the drain on the water inlet simultaneously;

the infusion tube is fixedly arranged at the upper end of the water inlet, the connecting block is connected to the infusion tube, the connecting tube is installed in the connecting block in a penetrating mode, the threaded rod is rotatably installed on the connecting block, the movable block is movably installed on the connecting block, the rotary button is fixedly installed on the threaded rod, the limiting block is fixedly installed on the inner wall on the right side of the connecting tube, the first rotary shaft is rotatably installed on the inner wall on the left side of the connecting tube, the first rotary shaft is connected with the torsion spring, and the first rotary shaft is fixedly installed with the backflow baffle.

Furthermore, the filter screen is semicircular in front view, the filter screen and the second rotary shaft are positioned at the same center, and the radius of the filter screen is the same as the sum of the length of the filter plate and the length of the second rotary shaft, so that the filter plate can be attached to the filter screen to rotate in the water inlet.

Further, the water inlet penetrates through the inner drainage bag and the outer drainage bag, a drain outlet formed in the water inlet is connected with the outer drainage bag, the drain outlets are symmetrically formed in the inner walls of the two sides of the water inlet, and necrotic tissues can be discharged into the outer drainage bag through the drain outlets.

Further, both ends of the filter screen are connected with the lower end of the drain outlet, and the filter screen is fixedly arranged at the lower end of the drain outlet, and necrotic tissues on the filter screen can be cleaned into the drainage bag outer bag through the filter plate.

Further, two groups of threaded rods and moving blocks are symmetrically arranged about the vertical central axis of the connecting block, the lower ends of the moving blocks are in threaded connection with the threaded rods to form a threaded structure, and the threaded rods are rotated to drive the moving blocks to fold so as to clamp the infusion tube.

Further, the reflux baffle rotates and installs the lower extreme at the connecting block, and the diameter of reflux baffle is the same with the diameter of connecting pipe to the stopper is installed in the lower extreme of reflux baffle, and the stopper is connected with the reflux baffle simultaneously, carries out the separation through the infusion to the connecting pipe when liquid takes place to flow back through reflux baffle and stopper, prevents to flow back.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the chest drainage bag capable of preventing backflow, the drainage bag outer bag is additionally arranged, the filter screen and the rotary filter plate are arranged at the water inlet to separate effusion from necrotic tissues, the necrotic tissues are filtered into the drainage bag outer bag, and the effusion flows into the drainage bag inner bag through the filter screen, so that the water outlet pipe is effectively prevented from being blocked by the necrotic tissues;

2. This chest drainage bag of preventing flowing backwards is through connecting block and connecting pipe on the transfer line for the inside reflux baffle of connecting pipe, thereby can prevent to take out the hydrops water conservancy diversion and get into the internal situation of patient through the stopper comes the separation to reflux baffle when the transfer line appears the backward flow phenomenon.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic top view of the filter plate of the present utility model;

FIG. 4 is a schematic diagram of the front cross-section of the connecting block of the present utility model;

fig. 5 is an enlarged view of the structure of fig. 4B according to the present utility model.

In the figure: 1. a drainage bag inner bag; 2. an infusion tube; 3. a connecting block; 4. a connecting pipe; 5. a moving block; 6. a rotation knob; 7. a threaded rod; 8. a first rotating shaft; 9. a torsion spring; 10. a reflux baffle; 11. a limiting block; 12. an outer bag of the drainage bag; 13. a filter plate; 14. a second rotating shaft; 15. a filter screen; 16. a water inlet; 17. a water control valve; 18. a water outlet pipe; 19. and a sewage outlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a chest drainage bag capable of preventing backflow comprises a drainage bag inner bag 1, a transfusion tube 2, a connecting block 3, a connecting pipe 4, a moving block 5, a rotary button 6, a threaded rod 7, a rotary shaft I8, a torsion spring 9, a backflow baffle 10, a limiting block 11, a drainage bag outer bag 12, a filter plate 13, a rotary shaft II 14, a filter screen 15, a water inlet 16, a water control valve 17, a water outlet pipe 18 and a drain outlet 19.

In this embodiment:

The drainage bag comprises a drainage bag inner bag 1, a threaded rod 7, a backflow baffle 10, a drainage bag outer bag 12, a water outlet pipe 18 and a drain outlet 19, wherein the drainage bag outer bag 12 is fixedly arranged on the outer side of the drainage bag inner bag 1, a water inlet 16 is fixedly arranged at the upper end of the drainage bag outer bag 12, the water outlet pipe 18 is fixedly arranged at the lower end of the drainage bag inner bag 1, a water control valve 17 is fixedly arranged at the water outlet pipe 18, a rotary shaft II 14 is rotatably arranged in the water inlet 16, a filter plate 13 is fixedly arranged on the rotary shaft II 14, a filter screen 15 is fixedly arranged in the water inlet 16, and the drain outlet 19 is formed in the water inlet 16.

The filter screen 15 is in a semicircle shape, the filter screen 15 and the second rotary shaft 14 are positioned at the same center, the radius of the filter screen 15 is the same as the sum of the length of the filter screen 13 and the radius of the second rotary shaft 14, so that the filter screen 13 can be attached to the filter screen 15 to rotate in the water inlet 16, the water inlet 16 penetrates through the drainage bag inner bag 1 and the drainage bag outer bag 12, a drain outlet 19 formed in the water inlet 16 is connected with the drainage bag outer bag 12, the drain outlets 19 are symmetrically formed in the inner walls of the two sides of the water inlet 16, necrotic tissues can be discharged into the drainage bag outer bag 12 through the drain outlets 19, the two ends of the filter screen 15 are connected with the lower end of the drain outlet 19, the filter screen 15 is fixedly arranged at the lower end of the drain outlet 19, and the necrotic tissues on the filter screen 15 can be cleaned into the drainage bag outer bag 12 through the filter screen 13.

When the device is used, the device is firstly arranged at a correct position, drainage is started after the device is arranged, when liquid in the chest cavity flows into the water inlet 16 from the infusion tube 2, the gravity of the liquid and necrotic tissue intercepted on the filter plate 13 drives the filter plate 13 fixedly arranged on the rotary shaft II 14 to rotate, when the filter plate 13 inclines, the necrotic tissue flows into the drainage bag outer bag 12 from the drain outlet 19 along the filter plate 13, if the necrotic tissue fails to flow into the drainage bag outer bag 12 completely, the necrotic tissue continuously rotates along the filter plate 13 to fall onto the filter screen 15 and is discharged from the symmetrical drain outlet 19 along with the rotation of the filter plate 13, the filtration of the necrotic tissue is completed, and the blockage possibly occurring when the drainage bag drains is prevented.

The infusion tube 2 is fixedly arranged at the upper end of the water inlet 16, the connecting block 3 is connected to the infusion tube 2, the connecting pipe 4 is installed in the connecting block 3 in a penetrating mode, the threaded rod 7 is rotatably installed on the connecting block 3, the movable block 5 is movably installed on the connecting block 3, the rotary button 6 is fixedly installed on the threaded rod 7, the limiting block 11 is fixedly installed on the inner wall on the right side of the connecting pipe 4, the rotary shaft I8 is rotatably installed on the inner wall on the left side of the connecting pipe 4, the torsion spring 9 is connected to the rotary shaft I8, and the reflux baffle 10 is fixedly installed on the rotary shaft I8.

The threaded rod 7 and the movable block 5 symmetry are installed two sets of with respect to the vertical central axis symmetry of connecting block 3, and the lower extreme threaded connection of movable block 5 constitutes the helicitic texture on threaded rod 7, drive movable block 5 through the rotation threaded rod 7 and draw in and carry out the centre gripping to transfer line 2, reflux baffle 10 rotates the lower extreme of installing at connecting block 3, and the diameter of reflux baffle 10 is the same with the diameter of connecting pipe 4, and stopper 11 installs the lower extreme at reflux baffle 10, stopper 11 is connected with reflux baffle 10 simultaneously, carry out the separation to the infusion of connecting pipe 4 when liquid takes place to flow back through reflux baffle 10 and stopper 11, prevent the backward flow.

When the transfer line 2 is connected to the connecting pipe 4, rotate the swivel button 6 of connecting block 3 both sides, drive threaded rod 7 and rotate, make the movable block 5 that drives threaded connection on the threaded rod 7 inwards draw in, thereby make movable block 5 fix the transfer line 2 of connecting on the connecting block 3, guarantee the stability of infusion, when transfer line 2 takes place the backward flow, reflux baffle 10 receives decurrent force, reflux baffle 10 will be through rotation axis one 8 downward movement, but will be spacing by stopper 11 when reflux baffle 10 moves down, make connecting pipe 4 be blocked, stop the backward flow of liquid.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a chest drainage bag of preventing flowing backwards, includes drainage bag inner bag (1), threaded rod (7), backward flow baffle (10), drainage bag outer bag (12), outlet pipe (18) and drain (19), its characterized in that: the drainage bag is characterized in that a drainage bag outer bag (12) is fixedly arranged on the outer side of the drainage bag inner bag (1), a water inlet (16) is fixedly arranged at the upper end of the drainage bag outer bag (12), a water outlet pipe (18) is fixedly arranged at the lower end of the drainage bag inner bag (1), a water control valve (17) is fixedly arranged at the water outlet pipe (18), a rotary shaft II (14) is rotatably arranged in the water inlet (16), a filter plate (13) is fixedly arranged on the rotary shaft II (14), a filter screen (15) is fixedly arranged in the water inlet (16), and a sewage outlet (19) is formed in the water inlet (16);

The infusion tube (2) is fixedly arranged at the upper end of the water inlet (16), the connecting block (3) is connected to the infusion tube (2), the connecting tube (4) is penetratingly arranged in the connecting block (3), the threaded rod (7) is rotatably arranged on the connecting block (3), the movable block (5) is movably arranged on the connecting block (3), the rotary button (6) is fixedly arranged on the threaded rod (7), the limiting block (11) is fixedly arranged on the inner wall on the right side of the connecting tube (4), the rotary shaft I (8) is rotatably arranged on the inner wall on the left side of the connecting tube (4), the torsion spring (9) is connected to the rotary shaft I (8), and the reflux baffle (10) is fixedly arranged on the rotary shaft I (8).

2. The backflow prevention chest drainage bag of claim 1, wherein: the filter screen (15) is semicircular in front view, the filter screen (15) and the second rotary shaft (14) are located at the same center, and the radius of the filter screen (15) is the same as the sum of the length of the filter plate (13) and the radius of the second rotary shaft (14).

3. The backflow prevention chest drainage bag of claim 1, wherein: the water inlet (16) penetrates through the drainage bag inner bag (1) and the drainage bag outer bag (12), a drain outlet (19) formed in the water inlet (16) is connected with the drainage bag outer bag (12), and the drain outlet (19) is symmetrically formed in the inner walls of the two sides of the water inlet (16).

4. The backflow prevention chest drainage bag of claim 1, wherein: the two ends of the filter screen (15) are connected with the lower end of the sewage outlet (19), and the filter screen (15) is fixedly arranged at the lower end of the sewage outlet (19).

5. The backflow prevention chest drainage bag of claim 1, wherein: the threaded rod (7) and the movable block (5) are symmetrically arranged in two groups relative to the vertical central axis of the connecting block (3), and the lower end of the movable block (5) is in threaded connection with the threaded rod (7) to form a threaded structure.

6. The backflow prevention chest drainage bag of claim 1, wherein: the backflow baffle (10) is rotatably arranged at the lower end of the connecting block (3), the diameter of the backflow baffle (10) is the same as that of the connecting pipe (4), the limiting block (11) is arranged at the lower end of the backflow baffle (10), and meanwhile the limiting block (11) is connected with the backflow baffle (10).