Negative pressure wound drainage device

By designing a negative pressure wound drain, a filter is used to filter impurities, and the straps and Velcro are attached to each other. The assembly of the straps and Velcro solves the problem of solid particles and impurities that has not been effectively solved in the existing technology, prevents the device from falling off, and improves the stability and efficiency of drainage.

CN223350663UActive Publication Date: 2025-09-19SHENZHEN BAOAN DISTRICT CENT HOSPITAL
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Patent Information

Application Number
CN202422310822.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-09-19
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

Existing negative pressure wound drains have difficulty removing solid particles and impurities from the liquid, causing pipe blockage, and may fall off during operation, affecting drainage efficiency.

Method used

A negative pressure wound drainage device is designed, which includes components such as a drainage bottle, a hose, a mounting shell, a filter, a strap and a Velcro. The filter filters impurities, and the strap and Velcro fixing device ensure that it fits the wound stably to prevent it from falling off.

Benefits of technology

It achieves effective filtration of solid particles and impurities, prevents the device from falling off, and improves the stability and efficiency of drainage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drainage devices, and discloses a negative pressure wound drainage device which comprises a drainage bottle, a bottle opening is formed in one end of the drainage bottle, a bottle cap is arranged at the top of the bottle opening, a first hose fixedly penetrates through the top of the bottle cap, and a mounting shell is arranged at one end of the first hose. A drainage hole is formed in one side of the mounting shell, a groove is formed in the mounting shell, a mounting frame is movably connected to the inner side wall of the groove, and a U-shaped block is fixedly connected to one side of the mounting frame. According to the negative-pressure wound drainage apparatus, through the arrangement of the mounting frame, the U-shaped block, the push rod, the clamping block, a limiting rod and a spring, when a worker uses the negative-pressure wound drainage apparatus, the push rod is firstly pressed to move under the limiting of the limiting rod, meanwhile, the spring is pressed, the clamping block is driven to move, and after the clamping block completely moves out of a clamping groove, the mounting frame can be pulled; and therefore, the mounting frame is detached, and the effect of replacing the device is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of drain devices, in particular to a negative pressure wound drain device. Background Art

[0002] Wound drainage is an important part of the surgical treatment process. In the ICU emergency department, most surgeries require the placement of drainage tubes in the patient's body to ensure wound healing after suture. Surgical drainage can effectively prevent the occurrence of infection, allowing pus or exudate in the wound to be drained out in a timely and effective manner, reducing or eliminating surgical infections caused by exudate and pus. Effective drainage can eliminate the pressure of these fluids on tissues, reduce the occurrence of inflammation or digestive effects on tissues, thereby avoiding serious consequences such as tissue necrosis.

[0003] However, existing negative pressure wound drains have the following disadvantages:

[0004] (1) Existing negative pressure wound drains have difficulty removing solid particles and impurities from the liquid, which leads to pipe blockage and affects drainage efficiency;

[0005] (2) Existing negative pressure wound drains may fall off during operation, causing unstable liquid flow and affecting the overall efficiency of the system.

[0006] Therefore, the utility model provides a negative pressure wound drain. Utility Model Content

[0007] (1) Technical problems solved

[0008] The technical problem solved by the utility model is to provide a negative pressure wound drainage device which is highly practical, can be operated simply and has a relatively simple structure, and solves the problem of removing solid particles and impurities in the liquid and the problem of possible falling off during operation proposed in the above background technology.

[0009] (2) Technical solution

[0010] The top of the bottle is provided with a cap, and the top of the bottle is provided with a first hose, and the top of the bottle cap is fixedly passed through the first hose, and a mounting shell is provided on one end of the mounting shell. A drainage hole is provided on one side of the mounting shell, and a groove is provided in the interior of the mounting shell, and the inner side wall of the groove is movably connected to the mounting frame. One side of the mounting frame is fixedly connected to a U-shaped block, a push rod is slidably connected to the inside of the U-shaped block, and one side of the push rod is fixedly connected to a clamping block. The inner side wall of the mounting shell is provided with a clamping groove, and the clamping groove is adapted to the clamping block. The inner side wall of the U-shaped block is fixedly connected to a limiting rod, the push rod movably sleeves on the surface of the limiting rod, and a spring is commonly connected between the other side of the push rod and the inner side wall of the U-shaped block, a strap is fixedly connected to one side of the mounting shell, and the surfaces of the strap are respectively provided with a Velcro sub-surface and a Velcro female surface, and the other side of the U-shaped block is fixedly connected to a fixing block.

[0011] Optionally, a sub-thread is provided on the surface of the bottle cap, and a female thread is provided on the inner side wall of the bottle mouth, and the female thread is matched with the sub-thread, so as to facilitate cleaning of the drainage bottle.

[0012] Optionally, a second hose is fixedly passed through the top of the drainage bottle, and one end of the second hose is fixedly connected to a negative pressure drainer to facilitate drainage of the wound.

[0013] Optionally, a filter is fixedly connected to the inner wall of the installation frame, and the filter is arranged in a rectangular shape to effectively filter impurities.

[0014] Optionally, an observation window is provided on the surface of the drainage bottle, and the observation window is rectangular, which is convenient for observing the internal situation of the drainage bottle.

[0015] Optionally, a rectangular hole is provided at one end of the fixing block, and the rectangular hole is adapted to fit with a strap, so that the patient can wear the device more easily.

[0016] (3) Beneficial effects

[0017] The utility model provides a negative pressure wound drain, which has the following beneficial effects:

[0018] 1. The negative pressure wound drainage device is equipped with an installation frame, a U-shaped block, a push rod, a card block, a limit rod and a spring. When the staff uses it, they first press the push rod to move it under the limit of the limit rod, and at the same time press the spring to drive the card block to move. When the card block is completely moved out of the card slot, the installation frame can be pulled to disassemble the installation frame, thereby achieving the purpose of replacing the device.

[0019] 2. The negative pressure wound drain device is configured with a strap, a Velcro sub-surface, a Velcro mother-surface, and a fixing block. When used by a worker, the worker first fits the drainage hole to the wound and pulls the strap to wrap around the limb. The strap is then passed through the fixing block and folded in half to make the Velcro sub-surface contact with the Velcro mother-surface, thereby achieving the function of fixing the device and preventing it from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the installation shell of the utility model;

[0022] Figure 3 This is a schematic diagram of the binding structure of the utility model;

[0023] Figure 4 This is a schematic structural diagram of a drainage bottle of the present invention.

[0024] In the figure: 1. Drainage bottle; 2. First hose; 3. Mounting shell; 4. Mounting frame; 5. Filter; 6. U-shaped block; 7. Push rod; 8. Block; 9. Limit rod; 10. Spring; 11. Strap; 13. Fixing block; 14. Second hose; 15. Negative pressure drain; 17. Bottle cap; 18. Observation window. DETAILED DESCRIPTION

[0025] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] See also Figures 1 to 4The utility model provides a technical solution: a negative pressure wound drainage device, comprising a drainage bottle 1, a bottle mouth is opened at one end of the drainage bottle 1, a bottle cap 17 is arranged on the top of the bottle mouth, a first hose 2 is fixedly passed through the top of the bottle cap 17, a mounting shell 3 is arranged at one end of the first hose 2, a drainage hole is opened on one side of the mounting shell 3, a groove is opened inside the mounting shell 3, the inner side wall of the groove is movably connected with the mounting frame 4, one side of the mounting frame 4 is fixedly connected with a U-shaped block 6, the interior of the U-shaped block 6 is slidably connected with a push rod 7, one side of the push rod 7 is fixedly connected with a clamping block 8, the inner side wall of the mounting shell 3 is opened The setting of the limit rod 9 and the spring 10 enables the staff to press the push rod 7 to move it under the limit of the limit rod 9, and at the same time press the spring 10 to drive the block 8 to move. When the block 8 is completely moved out of the slot, the mounting frame 4 can be pulled, thereby disassembling the mounting frame 4 and achieving the function of replacing the device. One side of the mounting shell 3 is fixedly connected with a strap 11, and the surfaces of the strap 11 are respectively provided with a Velcro sub-surface and a Velcro mother-surface. The other side of the mounting shell 3 is fixedly connected with a fixing block 13. Through the setting of the strap 11, the Velcro sub-surface, the Velcro mother-surface and the fixing block 13, when the staff uses it, first the drainage hole is attached to the wound and the strap 11 is pulled to bypass the limb, and then it is folded in half through the fixing block 13 so that the Velcro sub-surface contacts the Velcro mother-surface, thereby achieving the function of fixing the device and preventing the device from falling off.

[0027] The surface of the bottle cap 17 is provided with a sub-thread, and the inner side wall of the bottle mouth is provided with a female thread. The arrangement of the sub-thread and the female thread facilitates the cleaning of the drainage bottle 1, and the female thread is adapted to the sub-thread;

[0028] A second hose 14 is fixedly passed through the top of the drainage bottle 1, and one end of the second hose 14 is fixedly connected to a negative pressure drain 15. The arrangement of the second hose 14 and the negative pressure drain 15 facilitates drainage of the wound.

[0029] The inner wall of the mounting frame 4 is fixedly connected with a filter screen 5, which effectively filters impurities through the setting of the filter screen 5. The filter screen 5 is set in a rectangular shape;

[0030] An observation window 18 is provided on the surface of the drainage bottle 1. The observation window 18 is provided to facilitate observation of the internal situation of the drainage bottle 1. The observation window 18 is rectangular in shape.

[0031] A rectangular hole is provided at one end of the fixing block 13 . The rectangular hole makes it easier for the patient to wear the device, and the rectangular hole is adapted to the strap 11 .

[0032] In the present invention, the working steps of the device are as follows:

[0033] Step 1: First, press the push rod 7 to move it under the limit of the limit rod 9, and at the same time press the spring 10 to drive the clamping block 8 to move. When the clamping block 8 is completely moved out of the clamping slot, the installation frame 4 can be pulled to disassemble the installation frame 4, thereby achieving the purpose of replacing the device;

[0034] The second step: the drainage hole is then attached to the wound and the bandage 11 is pulled to wrap around the limb, and then passed through the fixing block 13 and folded in half so that the Velcro sub-surface contacts the Velcro main surface, thereby achieving the function of fixing the device and preventing the device from falling off.

[0035] It should be noted that the device structure and drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the device's power mechanism, power supply system, and control system are not fully described. However, those skilled in the art can clearly understand the details of its power mechanism, power supply system, and control system on the premise that they understand the principle of the above-mentioned utility model. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be implemented by simple programming by those skilled in the art.

[0036] The standard parts used can be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A negative pressure wound drain, comprising a drainage bottle (1), characterized in that: One end of the drainage bottle (1) is provided with a bottle mouth, the top of the bottle mouth is provided with a bottle cap (17), the top of the bottle cap (17) is fixedly penetrated by a first hose (2), one end of the first hose (2) is provided with a mounting shell (3), one side of the mounting shell (3) is provided with a drainage hole, the interior of the mounting shell (3) is provided with a groove, the inner side wall of the groove is movably connected to a mounting frame (4), one side of the mounting frame (4) is fixedly connected to a U-shaped block (6), the interior of the U-shaped block (6) is slidably connected to a push rod (7), and one side of the push rod (7) is fixedly connected to A card block (8) is provided on the inner side wall of the installation shell (3), and the card slot is adapted to the card block (8). The inner side wall of the U-shaped block (6) is fixedly connected to a limiting rod (9), and the push rod (7) is movably sleeved on the surface of the limiting rod (9). A spring (10) is commonly connected between the other side of the push rod (7) and the inner side wall of the U-shaped block (6). One side of the installation shell (3) is fixedly connected to a strap (11), and the surface of the strap (11) is respectively provided with a Velcro sub-surface and a Velcro mother-surface. The other side of the installation shell (3) is fixedly connected to a fixing block (13).

2. The negative pressure wound drain according to claim 1, characterized in that: The surface of the bottle cap (17) is provided with a sub-thread, and the inner side wall of the bottle mouth is provided with a female thread, and the female thread is adapted to the sub-thread.

3. The negative pressure wound drain according to claim 1, characterized in that: The top of the drainage bottle (1) is movably connected to a second hose (14), and one end of the second hose (14) is fixedly connected to a negative pressure drainer (15).

4. The negative pressure wound drain according to claim 1, characterized in that: The inner side wall of the installation frame (4) is fixedly connected with a filter screen (5), and the filter screen (5) is arranged in a rectangular shape.

5. The negative pressure wound drain according to claim 1, characterized in that: An observation window (18) is provided on the surface of the drainage bottle (1), and the observation window (18) is arranged in a rectangular shape.

6. The negative pressure wound drain according to claim 1, characterized in that: One end of the fixing block (13) is provided with a rectangular hole, and the rectangular hole is adapted to fit the binding belt (11).