A surgical dressing change device to prevent cross-infection

By introducing a disinfection mechanism into the surgical dressing change device, which uses a stepper motor and water pump to spray alcohol for automatic disinfection, the problem of manual disinfection required in the existing technology is solved, and the efficiency and safety of dressing change are improved.

CN224269682UActive Publication Date: 2026-05-26钦州市妇幼保健院
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
钦州市妇幼保健院
Filing Date
2025-06-04
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing surgical dressing change devices lack disinfection functions, requiring manual disinfection after each dressing change, which increases the workload of medical staff and prolongs the disinfection cycle.

Method used

A surgical dressing change device designed to prevent cross-infection is equipped with a disinfection mechanism. A stepper motor drives a threaded shaft to move a moving box, which is automatically disinfected by spraying alcohol with a water pump. An air pump and a heating wire accelerate the drying of the alcohol.

Benefits of technology

The automatic disinfection of the dressing change device has been achieved, which reduces the workload of medical staff and the disinfection time, and improves the efficiency of dressing change.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model provides a surgical dressing change device to prevent cross-infection, relating to the technical field of surgical dressing change devices. It includes a dressing table with a disinfection mechanism at its front. The disinfection mechanism includes two first-step motors, each with its bottom surface fixedly connected to the outer surface of the dressing table. Two threaded shafts are rotatably connected to the inner wall of the dressing table, with the end of each threaded shaft near the first-step motor fixedly connected to its output end. A movable box is threadedly connected to the outer surfaces of the two threaded shafts, and a water pump is fixedly connected to the upper surface of the movable box. This cross-infection-preventing surgical dressing change device ultimately disinfects the patient's contact area by spraying water through a nozzle at the outlet of a first multi-directional output pipe onto the surface of a rotating ring. This effectively avoids the problem of increased workload and longer disinfection cycles for medical staff caused by the lack of automatic disinfection functionality in traditional dressing change devices.
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Description

Technical Field

[0001] This utility model relates to a dressing change device, specifically a surgical nursing dressing change device for preventing cross-infection, and belongs to the technical field of surgical nursing dressing change devices. Background Technology

[0002] Surgical dressing change devices are integrated medical devices designed for safe and efficient wound care procedures. Outer shell dressing change devices are mostly used in medical care work to change dressings on patients' limbs.

[0003] Patent document CN221243331U discloses a surgical dressing change device, including a dressing change device body, which includes a base plate, a drive mechanism, a docking mechanism, and a winding assembly. A front support and a rear support are mounted on the surface of the base plate, and a drive mechanism is mounted on the side of the front support.

[0004] The aforementioned patented technology lacks a disinfection function. Therefore, after each dressing change for a patient, medical staff must manually disinfect the areas on the device that the patient has touched, increasing their workload and resulting in a long disinfection cycle. Therefore, this paper proposes a surgical dressing change device to prevent cross-infection. Utility Model Content

[0005] This invention proposes a surgical dressing change device to prevent cross-infection, thereby solving the problem in the prior art that the dressing change device cannot automatically disinfect the contact area with the patient.

[0006] This utility model is achieved through the following technical solution: a surgical nursing dressing change device to prevent cross-infection, including a dressing change table, and a disinfection mechanism is provided in front of the dressing change table;

[0007] The disinfection mechanism includes two first-step motors. The bottom surface of each first-step motor is fixedly connected to the outer surface of the dressing table. The inner wall of the dressing table is rotatably connected to two threaded shafts. The end of each threaded shaft near the first-step motor is fixedly connected to the output end of the first-step motor. The outer surfaces of the two threaded shafts are threadedly connected to a movable box. The upper surface of the movable box is fixedly connected to a water pump. The input end of the water pump is fixedly connected to a first input pipe. The bottom end of the first input pipe passes through the movable box and extends into the interior of the movable box. The output end of the water pump is fixedly connected to a first multi-directional output pipe.

[0008] The dressing change station is equipped with a flip adjustment component and a drying component.

[0009] The flipping adjustment assembly includes two fixed frames. The bottom surface of one fixed frame is fixedly connected to the inner bottom wall of the dressing table. Two hydraulic rods are fixedly connected to the front of the other fixed frame. The telescopic ends of the two hydraulic rods are fixedly connected to the back of the other fixed frame. The bottom surface of the other fixed frame is in contact with the inner bottom wall of the dressing table. The interior of the other fixed frame is slidably connected to the outer surface of the dressing table.

[0010] Each of the fixed frames has a rotating ring rotatably connected to its inner wall, and each rotating ring has a flipping ring fixedly connected to the end of the first stepper motor. The dressing table has a long shaft rotatably connected to its inner wall.

[0011] The outer surface of the long shaft is fixedly connected to a first gear and a second gear, respectively. The outer surfaces of the first gear and the second gear mesh with the outer surface of the flip ring. A second stepper motor is provided in front of the long shaft, and the output end of the second stepper motor is fixedly connected to the end of the long shaft near the second stepper motor.

[0012] The drying assembly includes two sets of rollers, each set of rollers is rotatably connected to the inner wall of the moving box, and the outer surface of each set of rollers is in contact with the inner bottom wall of the dressing table. An injection pipe is fixedly connected to the front of the moving box, and a circular plug is snapped into the inside of the injection pipe.

[0013] An air pump is fixedly connected to the upper surface of the mobile box. The input end of the air pump is fixedly connected to a second input pipe. The bottom end of the second input pipe passes through the mobile box and extends into the interior of the mobile box. The output end of the air pump is fixedly connected to a second multi-directional output pipe. Several identical heating wires are fixedly connected to the inner wall of the mobile box.

[0014] This invention provides a surgical dressing change device to prevent cross-infection, which has the following beneficial effects:

[0015] This anti-cross-infection surgical dressing change device features two first-step motors. The power generated by these motors drives two threaded shafts to rotate. These shafts are threadedly connected to a movable box, allowing the box to move within the dressing table. During movement, a water pump fixed to the top of the box draws alcohol from inside through a first input pipe and delivers it to a first multi-directional output pipe. The alcohol is then sprayed onto the surface of the rotating ring through a nozzle at the outlet of the first multi-directional output pipe, effectively disinfecting the patient's contact area. This design effectively avoids the problems associated with dressing change devices lacking automatic disinfection functions, which can lead to increased workload for medical staff and longer disinfection cycles. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the overall structure of the surgical dressing change device for preventing cross-infection according to this utility model;

[0017] Figure 2 This is a schematic diagram of the first stepper motor structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the second stepper motor structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the water pump structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the air pump structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the heating wire structure of this utility model.

[0022] Explanation of reference numerals in the attached figures

[0023] 1. Dressing table;

[0024] 2. Disinfection mechanism; 201. Mobile box; 202. Threaded shaft; 203. First stepper motor; 204. First input pipe; 205. Water pump; 206. First multi-directional output pipe;

[0025] 3. Tilting adjustment assembly; 301. Tilting ring; 302. Second stepper motor; 303. Second gear; 304. First gear; 305. Long shaft; 306. Rotating ring; 307. Fixing frame; 308. Hydraulic rod;

[0026] 4. Drying assembly; 401. Air pump; 402. Circular plug; 403. Injection pipe; 404. Roller; 405. Second input pipe; 406. Second multi-directional output pipe; 407. Heating wire. Detailed Implementation

[0027] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this application.

[0028] Please see Figures 1-5 This utility model embodiment provides a surgical nursing dressing change device to prevent cross-infection, including a dressing change table 1, and a disinfection mechanism 2 is provided in front of the dressing change table 1;

[0029] The disinfection mechanism 2 includes two first stepper motors 203. The bottom surface of each first stepper motor 203 is fixedly connected to the outer surface of the dressing table 1. The inner wall of the dressing table 1 is rotatably connected to two threaded shafts 202. The end of each threaded shaft 202 near the first stepper motor 203 is fixedly connected to the output end of the first stepper motor 203. The outer surfaces of the two threaded shafts 202 are threadedly connected to a movable box 201. The upper surface of the movable box 201 is fixedly connected to a water pump 205. The input end of the water pump 205 is fixedly connected to a first input pipe 204. The bottom end of the first input pipe 204 passes through the movable box 201 and extends into the interior of the movable box 201. The output end of the water pump 205 is fixedly connected to a first multi-directional output pipe 206.

[0030] Please see Figures 1-3 The dressing table 1 is equipped with a flip adjustment assembly 3, which includes two fixed frames 307. The bottom surface of one fixed frame 307 is fixedly connected to the inner bottom wall of the dressing table 1, and the front of the other fixed frame 307 is fixedly connected to two hydraulic rods 308. The telescopic ends of the two hydraulic rods 308 are fixedly connected to the back of the other fixed frame 307. The bottom surface of the other fixed frame 307 is in contact with the inner bottom wall of the dressing table 1, and the interior of the other fixed frame 307 is slidably connected to the outer surface of the dressing table 1. By using the hydraulic rods 308, the front fixed frame 307 can be moved forward, thereby adjusting the device according to the different body lengths of the patients.

[0031] Please see Figures 1-3 Each fixed frame 307 has a rotating ring 306 rotatably connected to its inner wall. Each rotating ring 306 has a flip ring 301 fixedly connected to one end near the first step motor 203. The inner wall of the dressing table 1 is rotatably connected to a long shaft 305. By setting the rotating ring 306, the rotating ring 306 can drive the flip ring 301 to rotate on one side of the fixed frame 307.

[0032] Please see Figure 2 and Figure 3 A first gear 304 and a second gear 303 are fixedly connected to the outer surface of the long shaft 305. The outer surfaces of the first gear 304 and the second gear 303 mesh with the outer surface of the flip ring 301. A second stepper motor 302 is provided in front of the long shaft 305. The output end of the second stepper motor 302 is fixedly connected to one end of the long shaft 305 near the second stepper motor 302. By providing the second stepper motor 302, the first gear 304 and the second gear 303 can be driven to rotate. With the meshing relationship between the first gear 304 and the second gear 303 and the flip ring 301, the flip ring 301 can be driven to rotate.

[0033] Please see Figures 4-6 The dressing station 1 is equipped with a drying assembly 4, which includes two sets of rollers 404. Each set of rollers 404 is rotatably connected to the inner wall of the moving box 201, and the outer surface of each set of rollers 404 is in contact with the inner bottom wall of the dressing station 1. The front of the moving box 201 is fixedly connected to an injection tube 403, and a circular plug 402 is engaged inside the injection tube 403. By providing rollers 404, the resistance encountered by the moving box 201 during movement can be reduced. When alcohol needs to be replenished, the moving box 201 moves to the front, and the injection tube 403 passes through the dressing station 1 and moves to the front of the dressing station 1. At this time, the circular plug 402 can be pulled out directly, and then alcohol can be delivered into the injection tube 403.

[0034] Please see Figure 6 An air pump 401 is fixedly connected to the upper surface of the mobile box 201. The input end of the air pump 401 is fixedly connected to a second input pipe 405. The bottom end of the second input pipe 405 passes through the mobile box 201 and extends into the interior of the mobile box 201. The output end of the air pump 401 is fixedly connected to a second multi-directional output pipe 406. Several identical heating wires 407 are fixedly connected to the inner wall of the mobile box 201. By setting up the air pump 401, the air around the heating wires 407 through the second input pipe 405 can be transported to the interior of the second multi-directional output pipe 406, and finally delivered to the position of the flip ring 301 where alcohol has just been sprayed, thus accelerating the drying of the alcohol.

[0035] When using this invention: When the patient's arm or leg needs to be used, the patient's arm or leg can be placed in the uppermost groove of the two flip rings 301. In addition, the position of the front flip ring 301 can be adjusted according to the different lengths of the patient's arm and leg. When the position of the front flip ring 301 needs to be adjusted, the hydraulic rod 308 can be controlled to move, and the hydraulic rod 308 can be used to push the front fixed frame 307 forward. It should be understood that the parts of the fixed frame 307 that contact the dressing table 1 are coated with a coating to reduce friction. When the front fixed frame 307 moves, it will drive the rotating ring 306 and the flip ring 301 connected to the inner wall to move synchronously. This achieves the purpose of adjusting the distance between the two flip rings 301, and then the dressing of the patient's arm or leg can be changed.

[0036] After the dressing change is completed, the second stepper motor 302 is controlled to drive the long shaft 305 to rotate. The long shaft 305 will drive the first gear 304 and the second gear 303 to rotate. Utilizing the meshing relationship between the first gear 304 and the second gear 303 and the flip ring 301, the flip ring 301 can be driven to rotate. It should be understood that the position of the flip ring 301 located at the rear is fixed and inconvenient, while the position of the flip ring 301 located at the front can be adjusted. Therefore, the second gear 303 that meshes with the flip ring 301 located at the front is also longer. So even if the flip ring 301 located at the front moves forward, it will still mesh with the second gear 303. At this time, the two flip rings 301 will rotate 180 degrees, so that the original groove of the flip ring 301 inside the dressing table 1 and the groove above the dressing table 1 will exchange positions. Therefore, the position of the flip ring 301 in contact with the patient will rotate to the inside of the dressing table 1. At this time, the dressing change can be performed directly on the next patient.

[0037] Then, the first stepper motor 203 is controlled to run. The power generated by the first stepper motor 203 can drive the two threaded shafts 202 to rotate. The threaded shafts 202 are threadedly connected to the moving box 201, which can drive the moving box 201 to move inside the dressing table 1. In addition, when the moving box 201 moves, the water pump 205 fixed on the upper surface of the moving box 201 will draw out the alcohol inside the moving box 201 through the first input pipe 204 and deliver it to the inside of the first multi-directional output pipe 206. Finally, it is sprayed on the surface of the flip ring 301 through the nozzle at the outlet end of the first multi-directional output pipe 206, so as to achieve the purpose of disinfecting the patient contact area.

[0038] While the water pump 205 is running, the air pump 401 and the heating wire 407 also run synchronously. The air pump 401 draws the air heated by the heating wire 407 into the second multi-directional output pipe 406 and delivers it to the position of the flip ring 301 where alcohol was just sprayed, thus achieving rapid drying of the alcohol. It should be understood that the internal space of the mobile box 201 is divided into front and rear parts, and the space in the rear half is not sealed. There is no partition at the bottom to block it. Therefore, the air pump 401 can directly draw the gas inside the dressing table 1 into the rear half of the mobile box 201. After being heated by the heating wire 407, it can finally be delivered to the surface of the flip ring 301, effectively avoiding the problem of increased workload and longer disinfection cycle for medical staff due to the lack of automatic disinfection function in the dressing device.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A surgical dressing change device for preventing cross-infection, comprising a dressing change table (1), characterized in that: A disinfection mechanism (2) is provided in front of the dressing station (1); The disinfection mechanism (2) includes two first stepper motors (203). The bottom surface of each first stepper motor (203) is fixedly connected to the outer surface of the dressing table (1). The inner wall of the dressing table (1) is rotatably connected to two threaded shafts (202). The end of each threaded shaft (202) near the first stepper motor (203) is fixedly connected to the output end of the first stepper motor (203). The outer surfaces of the two threaded shafts (202) are threadedly connected to a movable box (201). The upper surface of the movable box (201) is fixedly connected to a water pump (205). The input end of the water pump (205) is fixedly connected to a first input pipe (204). The bottom end of the first input pipe (204) passes through the movable box (201) and extends into the interior of the movable box (201). The output end of the water pump (205) is fixedly connected to a first multi-directional output pipe (206). The dressing table (1) is equipped with a flip adjustment component (3) and a drying component (4).

2. The surgical dressing change device for preventing cross-infection according to claim 1, characterized in that: The flip adjustment assembly (3) includes two fixed frames (307). The bottom surface of one of the fixed frames (307) is fixedly connected to the inner bottom wall of the dressing table (1). The front surface of one of the fixed frames (307) is fixedly connected to two hydraulic rods (308). The telescopic ends of the two hydraulic rods (308) are fixedly connected to the back of the other fixed frame (307). The bottom surface of the other fixed frame (307) is in contact with the inner bottom wall of the dressing table (1). The interior of the other fixed frame (307) is slidably connected to the outer surface of the dressing table (1).

3. A surgical dressing change device for preventing cross-infection according to claim 2, characterized in that: Each of the fixed frames (307) has a rotating ring (306) rotatably connected to its inner wall. Each of the rotating rings (306) has a flipping ring (301) fixedly connected to one end of the first stepper motor (203). The inner wall of the dressing table (1) is rotatably connected to a long shaft (305).

4. A surgical dressing change device for preventing cross-infection according to claim 3, characterized in that: The outer surface of the long shaft (305) is fixedly connected to a first gear (304) and a second gear (303). The outer surfaces of the first gear (304) and the second gear (303) mesh with the outer surface of the flip ring (301). A second stepper motor (302) is provided in front of the long shaft (305). The output end of the second stepper motor (302) is fixedly connected to one end of the long shaft (305) near the second stepper motor (302).

5. A surgical dressing change device for preventing cross-infection according to claim 1, characterized in that: The drying assembly (4) includes two sets of rollers (404). Each set of rollers (404) is rotatably connected to the inner wall of the moving box (201). The outer surface of each set of rollers (404) is in contact with the inner bottom wall of the dressing table (1). An injection pipe (403) is fixedly connected to the front of the moving box (201). A circular plug (402) is snapped into the inside of the injection pipe (403).

6. A surgical dressing change device for preventing cross-infection according to claim 1, characterized in that: An air pump (401) is fixedly connected to the upper surface of the mobile box (201). The input end of the air pump (401) is fixedly connected to a second input pipe (405). The bottom end of the second input pipe (405) passes through the mobile box (201) and extends into the interior of the mobile box (201). The output end of the air pump (401) is fixedly connected to a second multi-directional output pipe (406). Several identical heating wires (407) are fixedly connected to the inner wall of the mobile box (201).