An electric peritoneal dialysis treatment cart

By integrating electric drive and shock absorption units into the peritoneal dialysis treatment vehicle, the problems of laborious and unstable movement have been solved, achieving convenient, efficient and safe mobility.

CN224441633UActive Publication Date: 2026-07-03SHANTOU CENT HOSPITAL

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANTOU CENT HOSPITAL
Filing Date
2025-07-01
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing peritoneal dialysis vehicles lack electric drive, making them difficult and unstable to move, especially on uneven ground, which can cause the medicine bottles to shake or the liquid to spill.

Method used

The device employs an electric drive mechanism and shock absorption unit design, enabling the movement and steering of the treatment cart through electric control, and includes shock absorption units at the rear wheels to improve stability.

Benefits of technology

It improves ease of operation and stability, reduces the risk of bumps and liquid spills during movement, and enhances movement efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224441633U_ABST
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Abstract

This utility model discloses an electric peritoneal dialysis treatment cart, including a cart body, a handle, two front drive wheels, two rear casters, an electric drive mechanism, front wheel seats, two rear wheel seats, two shock absorption units, a controller, and a button for controlling the forward / reverse movement of the front drive wheels. The front wheel seats are mounted on the front side of the bottom of the cart body, and the front wheel axle is rotatably mounted on the front wheel seats. The two rear wheel seats are respectively mounted on the rear ends of the bottom of the cart body through corresponding shock absorption units. The two rear casters are respectively rotatably mounted on the two rear wheel seats. The electric drive mechanism is mounted on the bottom of the cart body, and the power output end of the electric drive mechanism is connected to the front wheel axle. The controller is mounted on the cart body, and the button is mounted on the handle. The signal output end of the button is electrically connected to the corresponding signal input end of the controller, and the electric drive mechanism is electrically connected to the corresponding signal output end of the controller.
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Description

Technical Field

[0001] This utility model relates to the field of medical auxiliary equipment technology, specifically to an electric peritoneal dialysis treatment vehicle. Background Technology

[0002] Peritoneal dialysis is a commonly used clinical treatment, requiring frequent use of various medical supplies and disposal of medical waste. While existing peritoneal dialysis carts (such as CN118902778A and CN207734402U) offer functions like categorized storage and document securing, they still have the following shortcomings: First, they lack electric drive, requiring manual pushing for movement, which is strenuous under heavy loads, and their steering flexibility needs improvement; second, they rely on traditional casters during movement, resulting in insufficient stability, especially when traversing uneven ground, which can cause the medication bottles to shake or even spill. Therefore, there is an urgent need to improve existing carts to meet the requirements of convenience, stability, and safety in clinical operations. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an electric peritoneal dialysis treatment vehicle, which can improve the comfort and stability of operation through electric control and shock absorption design.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] An electric peritoneal dialysis treatment cart includes a cart body, a handle, two front drive wheels, and two rear casters. The handle is mounted on the rear side of the top of the cart body. A rotatable front axle is located on the front side of the bottom of the cart body, and the two front drive wheels are respectively mounted on both ends of the front axle. The cart is characterized by further including an electric drive mechanism, front wheel seats, two rear wheel seats, two shock-absorbing units, a controller, and a button for controlling the forward / reverse movement of the front drive wheels. The front wheel seats are mounted on the front side of the bottom of the cart body, and the front axle is rotatably mounted on the front wheel seats. The two rear wheel seats are respectively mounted on both ends of the rear side of the bottom of the cart body via corresponding shock-absorbing units. The two rear casters are rotatably mounted on the two rear wheel seats. The electric drive mechanism is mounted on the bottom of the cart body, and its power output end is connected to the front wheel axle. The controller is mounted on the cart body, and the button is mounted on the handle. The signal output end of the button is electrically connected to the corresponding signal input end of the controller, and the electric drive mechanism is electrically connected to the corresponding signal output end of the controller.

[0006] When moving the electric peritoneal dialysis cart, medical staff press a button on the handle. The button sends a forward / reverse signal to the controller, which processes the signal and sends it to the electric drive mechanism. The electric drive mechanism then drives the two front drive wheels to move forward or backward. By pushing the handle, the medical staff rotates the cart body around the two rear swivel wheels, using the fixed friction points of the two front drive wheels as the center of rotation, thus turning the entire electric peritoneal dialysis cart.

[0007] In a preferred embodiment, the electric drive mechanism includes a drive motor and a reducer. The bottom of the treatment cart body has a drive housing groove, in which both the drive motor and reducer are installed. The power output shaft of the drive motor is connected to the front wheel axle via the reducer. The drive motor drives the two front drive wheels to rotate, and with the support of the two rear caster wheels, the treatment cart body moves. This electric peritoneal dialysis treatment cart integrates a motor, reducer, and shock absorbers into one unit, enabling both walking and steering functions. It features high integration and strong adaptability.

[0008] In a further preferred embodiment, the shock absorption unit includes a positioning rod and a compression spring. The upper end of the positioning rod is connected to the bottom of the treatment vehicle body, and the lower end of the positioning rod is connected to the corresponding rear wheel seat. The compression spring is fitted onto the positioning rod, with the upper end of the compression spring contacting the bottom of the treatment vehicle body and the lower end of the compression spring contacting the upper surface of the rear wheel seat.

[0009] In a preferred embodiment, the treatment cart body is provided with a first storage platform and a second storage platform, with the first storage platform positioned above the second. The upper surface of the first storage platform has multiple placement areas, and the lower surface has two pull-out drawers. The first storage platform has a guide groove running forward and backward, with its opening on the front side of the first storage platform and positioned above the two drawers. A pull-out auxiliary operating table is installed within the guide groove, and its front side has a pull-out handle for the operator to hold. The multiple placement areas can be categorized as an electronic scale placement area, a peritoneal dialysis fluid placement area, a disinfection area, and a temporary specimen placement area. The electronic scale placement area is used to place electronic scales. The peritoneal dialysis fluid placement area is used to place peritoneal dialysis fluid. The disinfection area is used to place disinfectant containers. The temporary specimen placement area is used to place temporary specimens. The two pull-out drawers are used for categorizing and storing medical devices. The auxiliary operating table provides a pull-out working surface for convenient operation by medical personnel. This utility model integrates a first storage platform, a second storage platform, and an auxiliary operating platform into a treatment cart, optimizing the spatial layout and improving the convenience and standardization of clinical operations.

[0010] Typically, limiting steps are provided on the inner sides of both ends of the guide groove opening, and limiting blocks are provided on both ends of the rear side of the auxiliary operating table. The limiting blocks and limiting steps engage with each other. This design allows the rear side of the auxiliary operating table to be secured in the guide groove, preventing it from detaching from the guide groove.

[0011] In a further preferred embodiment, the upper surface of the first shelf is successively surrounded by guardrails on its front, right, and rear sides. The presence of guardrails on three sides of the upper surface of the first shelf ensures stable placement of items and prevents them from slipping or liquids from spilling.

[0012] In a further preferred embodiment, one of the guardrail panels has multiple hooks on its upper edge, and the other guardrail panel has a file box on its outer side for holding folders, with the opening of the file box facing upwards. The hooks are used to temporarily hold the waste liquid bag to prevent it from tipping over and leaking. The file box is used to hold medical records or prescriptions, avoiding obstruction of the work surface and preventing contamination by liquids.

[0013] In a further preferred embodiment, the upper surface of the second shelf is provided with at least two detachable trash cans. Each trash can has an insert at its upper opening. A front baffle is provided between the front sides of the first and second shelves, and a rear baffle is provided between the rear sides of the first and second shelves. The inner walls of the front and / or rear baffles have strip-shaped slots that engage with the inserts. The trash cans are detachably connected through the engagement of the inserts with the strip-shaped slots. One trash can can be used to hold waste liquid bags, and the other trash can can be used to hold household waste, thus separating waste liquid bags and household waste and avoiding cross-contamination.

[0014] Compared with the prior art, this utility model has the following advantages:

[0015] 1. The electric control of this utility model is convenient and efficient: the electric drive and steering of the treatment cart are realized by the button on the handle, which reduces the operating burden of medical staff, especially when the load is heavy, and improves the mobility efficiency.

[0016] 2. This utility model sets two shock-absorbing units on the corresponding rear wheel seats. When the electric peritoneal dialysis treatment cart encounters obstacles on the ground while moving, the two rear casters can be adjusted up and down by the shock-absorbing units, making the treatment cart more stable during movement. This effectively reduces the bumps when the treatment cart encounters obstacles during movement, reduces the risk of items shaking or liquid spillage caused by bumps, and ensures that items on the main body of the treatment cart are placed stably.

[0017] 3. This utility model has a multi-layer storage space: it is equipped with multiple placement areas, pull-out drawers, a first storage platform with a pull-out auxiliary operating table, and a second storage platform with at least two trash cans, which can hold the medical supplies and instruments required for peritoneal dialysis, and solve the medical work required for peritoneal dialysis in one go. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model;

[0019] Figure 2 yes Figure 1 Cross-sectional schematic diagram of the first and second shelves in the middle;

[0020] Figure 3 This is a schematic diagram of the structure of the shock absorption unit in an embodiment of this utility model. Detailed Implementation

[0021] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0022] like Figure 1-3 As shown, the electric peritoneal dialysis treatment cart in this embodiment includes a cart body 1, a handle 2, two front drive wheels 3, two rear caster wheels 4, an electric drive mechanism 5, front wheel seats (not shown in the figure), two rear wheel seats 7, two shock absorption units 8, a controller, and a button 9 that can control the front drive wheels 3 to move forward / backward; the handle 2 is installed on the rear side of the top of the cart body 1, and a rotatable front axle 11 is provided on the front side of the bottom of the cart body 1, with the two front drive wheels 3 respectively installed on both ends of the front axle 11; the front wheel seats are installed on the front side of the bottom of the cart body 1. The front axle 11 is rotatably mounted on the front wheel seat. The two rear wheel seats 7 are respectively mounted on the rear sides of the bottom of the treatment cart body 1 through corresponding shock absorption units 8. The two rear casters 4 are respectively rotatably mounted on the two rear wheel seats 7. The electric drive mechanism 5 is mounted on the bottom of the treatment cart body 1, and the power output end of the electric drive mechanism 5 is connected to the front axle 11. The controller is mounted on the treatment cart body 1, and the button 9 is mounted on the handle 2. The signal output end of the button 9 is electrically connected to the corresponding signal input end of the controller, and the electric drive mechanism 5 is electrically connected to the corresponding signal output end of the controller.

[0023] When moving the electric peritoneal dialysis cart, medical staff press button 9 on handle 2. Button 9 sends a forward / reverse signal to the controller, which processes the signal and sends it to the electric drive mechanism 5. The electric drive mechanism 5 then drives the two front drive wheels 3 forward / reverse. Medical staff push handle 2, causing the cart body 1 to rotate around the two rear caster wheels 4, with the fixed friction point of the two front drive wheels 3 as the center of rotation. This rotates the rear of the cart body 1, thus steering the entire electric peritoneal dialysis cart.

[0024] The electric drive mechanism 5 includes a drive motor (not shown in the figure) and a reducer (not shown in the figure). The bottom of the treatment cart body 1 is provided with a drive receiving groove 12, in which both the drive motor and the reducer are installed. The power output shaft of the drive motor is connected to the front wheel axle 11 via the reducer. The two front drive wheels 3 are driven to rotate by the drive motor, and with the support of the two rear caster wheels 4, the treatment cart body 1 moves. This electric peritoneal dialysis treatment cart integrates a motor, reducer, and shock absorber into one unit, enabling both walking and steering functions. It has a high degree of integration and strong adaptability.

[0025] The shock absorption unit 8 includes a positioning rod 81 and a compression spring 82. The upper end of the positioning rod 81 is connected to the bottom of the treatment vehicle body 1, and the lower end of the positioning rod 81 is connected to the corresponding rear wheel seat 7. The compression spring 82 is fitted on the positioning rod 81. The upper end of the compression spring 82 is in contact with the bottom of the treatment vehicle body 1, and the lower end of the compression spring 82 is in contact with the upper surface of the rear wheel seat 7.

[0026] The treatment cart body 1 is equipped with a first storage platform 13 and a second storage platform 14. The first storage platform 13 is located above the second storage platform 14. The upper surface of the first storage platform 13 has multiple placement areas 131, and the lower surface of the first storage platform 13 has two pull-out drawers 141. The first storage platform 13 has a guide groove 132 running forward and backward, with its opening on the front side of the first storage platform 13. The guide groove 132 is located above the two drawers 141. A pull-out auxiliary operating table 133 is installed in the guide groove 132, and a pull-out handrail 134 for the operator to hold is located on the front side of the auxiliary operating table 133. The multiple placement areas 131 can be divided into an electronic scale placement area, a peritoneal dialysis fluid placement area, a disinfection area, and a temporary specimen placement area. The electronic scale placement area is used to place the electronic scale. The peritoneal dialysis fluid placement area is used to place the peritoneal dialysis fluid. The disinfection area is used to place disinfectant containers. The temporary specimen placement area is used to place temporary specimens. The two pull-out drawers 141 are used for classifying and storing medical devices. The auxiliary operating table 133 provides a pull-out work surface for convenient operation by medical staff. This utility model integrates the first storage table 13, the second storage table 14, and the auxiliary operating table 133 into the treatment cart, optimizing the space layout and improving the convenience and standardization of clinical operations.

[0027] Typically, the inner sides of both ends of the opening of the guide groove 132 are provided with limiting steps, and both ends of the rear side of the auxiliary operating table 133 are provided with limiting blocks, which engage with the limiting steps. This design allows the rear side of the auxiliary operating table 133 to be secured in the guide groove 132, preventing the auxiliary operating table 133 from detaching from the guide groove 132.

[0028] The upper surface of the first shelf 13 is surrounded by guardrails 15 on its front, right, and rear sides. The guardrails 15 on three sides of the upper surface of the first shelf 13 can stably place items and prevent items from slipping or liquids from spilling.

[0029] One guardrail baffle 15 has multiple hooks 16 on its upper edge, and another guardrail baffle 15 has a file box 17 for holding folders on its outer side, with the opening of the file box 17 facing upwards. The hooks 16 are used to temporarily hold waste liquid bags to prevent them from tipping over and leaking. The file box 17 is used to hold medical records or prescriptions, avoiding occupying the work surface and preventing contamination by liquids.

[0030] The upper surface of the second shelf 14 is provided with at least two detachable trash cans 18. Each trash can 18 has an insert 181 at its upper opening. A front baffle 19 is provided between the front side of the first shelf 13 and the front side of the second shelf 14, and a rear baffle 10 is provided between the rear side of the first shelf 13 and the rear side of the second shelf 14. The inner wall of the front baffle 19 and / or the inner wall of the rear baffle 10 is provided with a strip-shaped slot 191 that engages with the insert 181. The insert 181 is located in the strip-shaped slot 191. The trash cans 18 are detachably connected through the engagement of the insert 181 with the strip-shaped slot 191. One trash can 18 can be used to hold waste liquid bags, and the other trash can 18 can be used to hold household waste, separating waste liquid bags and household waste to avoid cross-contamination.

[0031] During use, medical staff control the electric drive mechanism 5 via button 9 on handle 2, causing the electric drive mechanism 5 to drive the front drive wheels 3 to steer / move forward / backward, moving the treatment cart to the operating position. During operation, the peritoneal dialysis fluid is placed on an electronic scale for weighing, and the used waste fluid bag is hung on the hook 16 on the upper edge of the guardrail 15. Medical waste is then sorted and disposed of in the corresponding waste bin 18. After operation, the surface of the treatment cart is cleaned and disinfected.

[0032] Furthermore, it should be noted that the names of the various parts of the specific embodiments described in this specification may differ. All equivalent or simple variations made to the structure, features, and principles described in this utility model patent concept are included within the protection scope of this utility model patent. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the structure of this utility model or exceed the scope defined in these claims, they should all fall within the protection scope of this utility model.

Claims

1. An electric peritoneal dialysis treatment cart, comprising a cart body, a handle, two front drive wheels, and two rear caster wheels, wherein the handle is mounted on the rear side of the top of the cart body, and a rotatable front axle is provided on the front side of the bottom of the cart body, with the two front drive wheels respectively mounted on both ends of the front axle; characterized in that: It also includes an electric drive mechanism, a front wheel seat, two rear wheel seats, two shock absorbers, a controller, and a button for controlling the forward / reverse movement of the front drive wheels. The front wheel seat is mounted on the front side of the bottom of the treatment cart body, and the front axle is rotatably mounted on the front wheel seat. The two rear wheel seats are respectively mounted on the rear ends of the bottom of the treatment cart body through corresponding shock absorbers. The two rear casters are respectively rotatably mounted on the two rear wheel seats. The electric drive mechanism is mounted on the bottom of the treatment cart body, and the power output end of the electric drive mechanism is connected to the front wheel axle. The controller is mounted on the treatment cart body, and the button is mounted on the handle. The signal output end of the button is electrically connected to the corresponding signal input end of the controller, and the electric drive mechanism is electrically connected to the corresponding signal output end of the controller.

2. The motorized peritoneal dialysis cart of claim 1, wherein: The electric drive mechanism includes a drive motor and a reducer. The bottom of the treatment vehicle body is provided with a drive receiving groove. The drive motor and the reducer are both installed in the drive receiving groove. The power output shaft of the drive motor is connected to the front wheel axle through the reducer.

3. The motorized peritoneal dialysis cart of claim 2, wherein: The shock absorption unit includes a positioning rod and a compression spring. The upper end of the positioning rod is connected to the bottom of the treatment vehicle body, and the lower end of the positioning rod is connected to the corresponding rear wheel seat. The compression spring is fitted on the positioning rod, with the upper end of the compression spring contacting the bottom of the treatment vehicle body and the lower end of the compression spring contacting the upper surface of the rear wheel seat.

4. The motorized peritoneal dialysis cart of claim 1, wherein: The treatment vehicle body is provided with a first storage platform and a second storage platform. The first storage platform is located above the second storage platform. The upper surface of the first storage platform is provided with multiple placement areas, and the lower surface of the first storage platform is provided with two pull-out drawers. The first storage platform is provided with a front-to-back guide groove. The opening of the guide groove is opened on the front side of the first storage platform, and the guide groove is located above the two drawers. A pull-out auxiliary operating table is installed in the guide groove. The front side of the auxiliary operating table is provided with a pull-out handrail for the operator to hold.

5. The motorized peritoneal dialysis cart of claim 4, wherein: The upper surface of the first shelf is surrounded by guardrails on the front, right and rear sides in sequence.

6. The motorized peritoneal dialysis cart of claim 5, wherein: One of the guardrail panels has multiple hooks on its upper edge, and the other guardrail panel has a file box on its outer side that can hold folders, with the opening of the file box facing upwards.

7. The motorized peritoneal dialysis cart of claim 4, wherein: The upper surface of the second shelf is provided with at least two detachable trash cans, and each trash can has an insert strip at its upper opening. A front baffle is provided between the front side of the first shelf and the front side of the second shelf, and a rear baffle is provided between the rear side of the first shelf and the rear side of the second shelf. The inner wall of the front baffle and / or the inner wall of the rear baffle are provided with strip-shaped slots that engage with the insert strips.