Disposable negative pressure anti-reflux drainage bag

Abstract

The utility model discloses a disposable negative pressure anti-reflux drainage bag, and relates to the technical field of medical auxiliary instruments, in particular to a disposable negative pressure anti-reflux drainage bag which comprises a drainage bag body and an anti-reflux valve, a round cover is arranged at the top of the drainage bag body, a connector is arranged in the round cover, a traction tube is arranged at one end of the connector, and a drainage tube is arranged at the other end of the connector. A positioning block is arranged on the outer surface of the anti-reflux valve, a sealing ring is arranged on the inner bottom wall of the anti-reflux valve, and a cavity is formed in the round cover. According to the disposable negative-pressure anti-reflux drainage bag, through the arrangement of the round cover, the connector, the traction tube, the positioning block, the sealing ring, the clamping block, the push block, the external thread ring block, the internal thread ring block and the antibacterial film, the disposable negative-pressure anti-reflux drainage bag has the waste liquid spraying effect, an anti-reflux valve and a bacteria blocking film are additionally arranged in the drainage bag, and when the waste liquid exceeds a certain amount, the drainage bag can spray out the waste liquid. The medical risk of splashing waste liquid is avoided, the infection of medical staff is prevented, and the purpose of improving the practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to a disposable negative pressure anti-backflow drainage bag. Background Art

[0002] In clinical practice, patients are often required to undergo drainage to discharge urine, body fluids or gases from their bodies. There are various types of devices used for clinical drainage, mainly medical drainage bags, disposable negative pressure devices (or balls) and negative pressure drainage bottles.

[0003] The disposable negative pressure anti-backflow drainage bag in the prior art does not have a negative pressure anti-backflow valve. When the waste liquid in the drainage bag exceeds a certain amount, it will splash out from the negative pressure port, increasing the infection risk of medical staff. A disposable negative pressure anti-backflow drainage bag is now invented to solve the above problem. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a disposable negative pressure anti-backflow drainage bag, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical scheme: a disposable negative pressure anti-backflow drainage bag, including a drainage bag body and an anti-backflow valve, a round cover is arranged on the top of the drainage bag body, a connecting head is arranged inside the round cover, a traction tube is arranged at one end of the connecting head, a positioning block is arranged on the outer surface of the anti-backflow valve, a sealing ring is arranged on the inner bottom wall of the anti-backflow valve, a cavity is opened inside the round cover, a clamping block is arranged inside the cavity, a push block is installed at the bottom of the clamping block, an externally threaded ring block is installed at the bottom of the anti-backflow valve, the outer surface of the externally threaded ring block is connected to the internally threaded ring block by threads, an antibacterial film is placed inside the internally threaded ring block, a traction rope, a liquid outlet pipe and a matching block are respectively arranged on the top of the round cover, a screw cap is arranged at the end of the liquid outlet pipe, a drainage pipe is arranged at the end of the connecting head, a hollow sleeve is arranged at the end of the drainage pipe, a coagulant is placed inside the drainage bag body, and a scale is arranged on the outer surface of the drainage bag body.

[0008] Optionally, a positioning groove with a depth in the up-down direction and a length in the left-right direction is formed at the bottom of the round cover, the end of the positioning block is inserted into the positioning groove, the cross section of the positioning block is L-shaped, and the cavity is connected to the positioning groove.

[0009] Optionally, a side surface of the positioning block is provided with a slot having a depth in the left-right direction and a length in the up-down direction, and an end of the card block is inserted into the slot.

[0010] Optionally, threaded holes are provided inside the clamping block and the round cover, and plastic bolts are provided inside the threaded holes.

[0011] Optionally, the top of the antibacterial membrane abuts against the bottom of the external threaded ring block, and the position of the antibacterial membrane corresponds to the position of the anti-backflow valve.

[0012] Optionally, the size of the hollow sleeve is matched with the size of the matching block, and one end of the traction rope away from the round cover is fixedly connected to the rotary cover.

[0013] Optionally, one end of the anti-backflow valve away from the external threaded ring block is inserted into the interior of the connector, and the top of the sealing ring abuts against the bottom of the round cover.

[0014] (III) Beneficial effects

[0015] The utility model provides a disposable negative pressure anti-backflow drainage bag, which has the following beneficial effects:

[0016] 1. The disposable negative pressure anti-backflow drainage bag has the effect of spraying waste liquid through the arrangement of a round cover, a connector, a traction tube, a positioning block, a sealing ring, a clamping block, a push block, an externally threaded ring block, an internally threaded ring block and an antibacterial film. An anti-backflow valve and an antibacterial film are added inside the drainage bag. When the waste liquid exceeds a certain amount, there will be no medical risk of splashing waste liquid, thereby preventing medical staff from being infected and achieving the purpose of improving practicality.

[0017] 2. The disposable negative pressure anti-backflow drainage bag has the effect of avoiding cross infection through the arrangement of a traction rope, a liquid outlet tube, a matching block, a screw cap, a drainage tube, a hollow sleeve, a coagulant, a scale and a plastic bolt. The coagulant solidifies into a jelly state when it meets a liquid. In this way, when handling medical waste, cross infection can be prevented, medical waste handling is convenient, and the purpose of improving practicality is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the utility model in front view section;

[0020] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 For this utility model Figure 2 The enlarged structural diagram at B in the middle;

[0022] Figure 5 It is a schematic diagram of the structure of the utility model from a top view.

[0023] In the figure: 1. drainage bag body; 2. anti-backflow valve; 3. round cover; 4. connector; 5. plastic bolt; 6. positioning block; 7. sealing ring; 8. clamping block; 9. push block; 10. external thread ring block; 11. internal thread ring block; 12. antibacterial film; 13. traction rope; 14. liquid outlet tube; 15. matching block; 16. screw cap; 17. drainage tube; 18. hollow sleeve; 19. coagulant; 20. scale. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1

[0026] See also Figures 1 to 5 The utility model provides a technical solution: a disposable negative pressure anti-backflow drainage bag, comprising a drainage bag body 1 and an anti-backflow valve 2, the end of the anti-backflow valve 2 away from the external threaded ring block 10 is inserted into the interior of the connector 4, and the top of the sealing ring 7 abuts against the bottom of the round cover 3, a round cover 3 is arranged on the top of the drainage bag body 1, a positioning groove with a depth in the up-down direction and a length in the left-right direction is opened at the bottom of the round cover 3, the end of the positioning block 6 is inserted into the interior of the positioning groove, the cross-section of the positioning block 6 is L-shaped, the cavity is connected to the positioning groove, a connector 4 is arranged inside the round cover 3, a traction tube 5 is arranged at one end of the connector 4, a positioning block 6 is arranged on the outer surface of the anti-backflow valve 2, and a side surface of the positioning block 6 is opened with a A card slot with a depth in the left-right direction and a length in the up-down direction, the end of the card block 8 is inserted into the inside of the card slot, a sealing ring 7 is provided on the inner bottom wall of the anti-backflow valve 2, a cavity is provided inside the round cover 3, a card block 8 is provided inside the cavity, threaded holes are provided inside the card block 8 and the round cover 3, plastic bolts 5 are provided inside the threaded holes, a push block 9 is installed at the bottom of the card block 8, an externally threaded ring block 10 is installed at the bottom of the anti-backflow valve 2, the outer surface of the externally threaded ring block 10 is connected to the internally threaded ring block 11 through threads, an antibacterial film 12 is placed inside the internally threaded ring block 11, the top of the antibacterial film 12 abuts against the bottom of the externally threaded ring block 10, and the position of the antibacterial film 12 corresponds to the position of the anti-backflow valve 2.

[0027] During use, an anti-backflow valve 2 and an antibacterial film 12 are added to the drainage bag body 1. When the waste liquid exceeds a certain amount, there will be no medical risk of splashing waste liquid, which prevents medical staff from being infected. When the anti-backflow valve 2 is installed, the end of the anti-backflow valve 2 is inserted into the interior of the connector 4, and the sealing ring 7 abuts against the round cover 3 to improve the sealing of the connection. The end of the positioning block 6 is inserted into the interior of the positioning groove. When the top of the positioning block 6 reaches the end of the positioning groove, the card slot is aligned with the card block 8, and the push block 9 is pushed to make the end of the card block 8 enter. Inside the slot, when the end of the block 8 reaches the end of the slot, the threaded hole on the round cover 3 is aligned with the threaded hole on the block 8, and the plastic bolt 5 is screwed to make the plastic bolt 5 enter the inside of the threaded hole, which is convenient for limiting the position of the block 8. Through the cooperation of the anti-backflow valve 2 and the antibacterial film 12, the waste liquid can flow back and avoid splashing of the waste liquid. The antibacterial film 12 is located inside the external threaded ring block 10 and the internal threaded ring block 11. The external threaded ring block 10 and the internal threaded ring block 11 are threadedly connected to squeeze and limit the position of the antibacterial film 12, thereby improving practicality.

[0028] Example 2

[0029] See also Figures 1 to 5 The utility model provides a technical solution: a disposable negative pressure anti-backflow drainage bag, the top of the round cover 3 is respectively provided with a traction rope 13, a liquid outlet pipe 14 and a matching block 15, the end of the liquid outlet pipe 14 is provided with a screw cap 16, the end of the connector 4 is provided with a drainage tube 17, the end of the drainage tube 17 is provided with a hollow sleeve 18, the size of the hollow sleeve 18 is adapted to the size of the matching block 15, the end of the traction rope 13 away from the round cover 3 is fixedly connected to the screw cap 16, a coagulant 19 is placed inside the drainage bag body 1, and a scale 20 is provided on the outer surface of the drainage bag body 1.

[0030] When in use, a coagulant 19 is added to the drainage bag body 1, and the coagulant 19 solidifies into a jelly state when it meets liquid. This prevents cross infection when handling medical waste, facilitates medical waste handling, and facilitates observation of waste liquid collection through the scale 20, thereby improving practicality.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A disposable negative pressure anti-backflow drainage bag, comprising a drainage bag body and an anti-backflow valve, characterized in that: A round cover is arranged on the top of the drainage bag body, a connecting head is arranged inside the round cover, a positioning block is arranged on the outer surface of the anti-backflow valve, a sealing ring is arranged on the inner bottom wall of the anti-backflow valve, a cavity is opened inside the round cover, a clamping block is arranged inside the cavity, a push block is installed at the bottom of the clamping block, an externally threaded ring block is installed at the bottom of the anti-backflow valve, the outer surface of the externally threaded ring block is connected with an internally threaded ring block through threads, an antibacterial film is placed inside the internally threaded ring block, a traction rope, a liquid outlet pipe and a matching block are respectively arranged on the top of the round cover, a screw cap is arranged at the end of the liquid outlet pipe, a drainage tube is arranged at the end of the connecting head, a hollow sleeve is arranged at the end of the drainage tube, a coagulant is placed inside the drainage bag body, and a scale is arranged on the outer surface of the drainage bag body.

2. The disposable negative pressure anti-backflow drainage bag according to claim 1, characterized in that: The bottom of the round cover is provided with a positioning groove with a depth in the up-down direction and a length in the left-right direction. The end of the positioning block is inserted into the positioning groove. The cross section of the positioning block is L-shaped, and the cavity is connected with the positioning groove.

3. The disposable negative pressure anti-backflow drainage bag according to claim 1, characterized in that: A card slot with a depth in the left-right direction and a length in the up-down direction is formed on one side of the positioning block, and the end of the card slot is inserted into the inside of the card slot.

4. The disposable negative pressure anti-backflow drainage bag according to claim 1, characterized in that: The inside of the clamping block and the round cover are both provided with threaded holes, and the inside of the threaded holes are provided with plastic bolts.

5. The disposable negative pressure anti-backflow drainage bag according to claim 1, characterized in that: The top of the antibacterial membrane abuts against the bottom of the external thread ring block, and the position of the antibacterial membrane corresponds to the position of the anti-backflow valve.

6. The disposable negative pressure anti-backflow drainage bag according to claim 1, characterized in that: The size of the hollow sleeve is matched with the size of the matching block, and one end of the traction rope away from the round cover is fixedly connected with the rotary cover.

7. The disposable negative pressure anti-backflow drainage bag according to claim 1, characterized in that: One end of the anti-backflow valve away from the external thread ring block is inserted into the interior of the connector, and the top of the sealing ring abuts against the bottom of the round cover.

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