Negative pressure auxiliary wound cleaning model
By designing a wound negative pressure assisted cleaning model, and using a micro hydraulic pump and a negative pressure device to simulate wound penetration, the problem of lack of a special wound cleaning model in the existing technology is solved, and the effect of wound treatment and healing quality are improved.
Patent Information
- Application Number
- CN202420901548.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing technology lacks a model specifically for wound cleaning, which leads to insufficient experience and inadequate treatment of specific wounds, affecting wound healing.
A wound negative pressure assisted cleaning model was designed, including a human body model, a liquid storage container, a micro hydraulic pump and a controller. The micro hydraulic pump generates continuous hydraulic pressure to simulate the liquid penetration of wound abscesses, and combined with a negative pressure device to simulate wound cleaning.
This model can simulate wound penetration to varying degrees, help medical staff master the negative pressure values of wounds of different degrees, improve their ability to deal with real wounds, and improve the wound healing experience.
Smart Images

Figure CN222600370U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wound cleaning, in particular to a wound cleaning model assisted by negative pressure. Background Art
[0002] The wounds on some patients are prone to continuous festering. For example, the wounds of elderly patients who continue to lie in bed under pressure will cause irritation to the wounds. Humid environments are not conducive to wound healing. If not treated in time, the condition will worsen. Therefore, medical staff need to clean the wounds of patients regularly. With the continuous optimization of medical resources in my country, the number of community health centers has gradually increased, making it more convenient for patients to seek medical treatment. Many patients will choose community health centers to clean their wounds, but community health center staff have limited experience in handling specific wounds and often fail to handle them properly.
[0003] In short, there is currently a lack of a model specifically for wound cleaning, which is not convenient for imparting treatment experience and allowing staff to better handle specific wounds. Utility Model Content
[0004] In view of the above problems, the purpose of the utility model is to provide a wound negative pressure assisted cleaning model to solve the problem that there is currently a lack of a model specifically used for wound cleaning, which is not convenient for imparting treatment experience and allowing staff to better handle specific wounds.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] The invention discloses a wound surface negative pressure assisted cleaning model, comprising a human body model, wherein the human body model has an inner cavity and an open port, wherein the open port is arranged on the side of the inner cavity and communicates with the inner cavity; a liquid storage container, a micro hydraulic pump and a controller are arranged in the inner cavity of the human body model, a wound surface simulation box is arranged on the open port of the human body model and close to the inner side of the inner cavity, and the liquid storage container stores liquid for simulating wound abscesses; an inlet and an outlet of the micro hydraulic pump are respectively communicated with the outlet of the liquid storage container and the inlet of the wound surface simulation box, and the micro hydraulic pump is electrically connected to the controller; and the controller controls the osmotic pressure in the wound surface simulation box by controlling the power of the micro hydraulic pump.
[0007] Preferably, the human body model is a buttocks model, and the wound surface is located at the posterior thigh position of the buttocks model, and the wound surface is used to simulate a buttocks pressure ulcer wound.
[0008] Preferably, an opening and closing cover is disposed on the top side of the inner cavity, and the inner cavity is opened by the opening and closing cover.
[0009] Preferably, the micro hydraulic pump is connected to the liquid storage container and the wound simulation box respectively through a delivery pipeline; the micro hydraulic pump provides power for delivering liquid to the wound simulation box, and when the micro hydraulic pump is started, the liquid flows from the liquid storage container into the wound simulation box under the action of the micro hydraulic pump, and the continuous operation of the micro hydraulic pump prompts the wound simulation box to generate continuous hydraulic pressure.
[0010] Preferably, a permeable layer permeable to liquid is provided on a side of the wound simulation box close to the opening, and when the opening is opened, the permeable layer is exposed to the outside.
[0011] Preferably, the wound surface of the human body model is provided with a drainage hood, which can cover the permeable layer, and the drainage hood is connected to a suction tube, which is used to connect to a negative pressure device; after being sucked by the negative pressure device, the infiltrated liquid is drained through the drainage hood, thereby simulating wound cleaning.
[0012] Preferably, the drainage cover is detachably connected to the human body model by gluing.
[0013] Preferably, the wound simulation box includes a central chamber and several peripheral chambers, and the several peripheral chambers surround the central chamber; the output end of the delivery pipeline is connected to the central chamber; the outer circle of the central chamber and each peripheral chamber is respectively configured with a permeable layer, the permeable capacity of the permeable layer configured in each peripheral chamber is different, and adjacent permeable layers are marked with different colors.
[0014] Preferably, the number of the peripheral chambers of the wound simulation box is two, and the two peripheral chambers are arranged opposite to each other at two ends of the wound simulation box and are separated by a central chamber.
[0015] Preferably, the wound simulation box includes a central chamber and several peripheral chambers, and the several peripheral chambers are surrounded by the central chamber; the outer circles of the central chamber and each of the peripheral chambers are respectively configured with permeable layers, and the peripheral chambers from the maximum permeation position of the liquid simulating the wound abscess to the minimum permeation position are connected in sequence; the output end of the delivery pipeline is connected to the central chamber; when the liquid simulating the wound abscess is input into the wound simulation box, it will gradually flow from the peripheral chamber corresponding to the maximum permeation position into the peripheral chamber corresponding to the minimum permeation position, so that the osmotic pressure of the peripheral chamber corresponding to the maximum permeation position is the largest and more liquid permeates the permeable layer.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] (I) The utility model discloses a wound surface negative pressure assisted cleaning model, wherein a micro hydraulic pump is connected to a liquid storage container and a wound surface simulation box respectively through a delivery pipeline; the micro hydraulic pump provides power for delivering liquid to the wound surface simulation box, and when the micro hydraulic pump is started, liquid flows from the liquid storage container into the wound surface simulation box under the action of the micro hydraulic pump, and under the continuous operation of the micro hydraulic pump, the wound surface simulation box is prompted to generate continuous hydraulic pressure, providing osmotic pressure for the liquid simulating wound abscess to be output from the liquid storage container to the wound surface simulation box. Under osmotic pressure, liquid will penetrate from the permeable layer to the outer surface of the human body model, simulating abscess penetration. The controller controls the micro hydraulic pump to increase the power of the micro hydraulic pump, which can increase the osmotic pressure in the wound surface simulation box, and then more liquid can penetrate through the permeable layer, that is, it can simulate different degrees of wound penetration.
[0018] (ii) The utility model discloses a wound surface negative pressure assisted cleaning model, the wound surface of the human body model is provided with a drainage hood, the drainage hood can cover the permeable layer, the drainage hood is connected to a suction tube, the suction tube is used to be connected to a negative pressure device; after being sucked by the negative pressure device, the infiltrated liquid is drained through the drainage hood, thereby simulating the wound surface cleaning. By adopting the wound surface negative pressure assisted cleaning model for learning, medical staff can master the negative pressure values required for wounds of different degrees, and thus better cope with the treatment of real wounds. The wound surface negative pressure assisted cleaning model disclosed by the utility model can simulate wounds of different degrees of ulceration, which is convenient for staff to learn in different scenarios to improve their coping ability and improve the wound healing experience of patients seeking medical treatment. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the external structure of the wound surface negative pressure assisted cleaning model provided in Example 1 of the utility model;
[0020] Figure 2 This is a schematic diagram of the working state of the wound surface negative pressure assisted cleaning model provided in Example 1 of the utility model when equipped with a drainage hood;
[0021] Figure 3 It is a schematic diagram of the internal structure of the human body model provided in Example 1 of the utility model;
[0022] Figure 4 It is a schematic diagram of the internal structure of the wound simulation box provided in Example 1 of the utility model.
[0023] Description of reference numerals: 10 - human body model, 11 - inner cavity, 12 - opening, 13 - opening and closing cover;
[0024] 20-Liquid storage container;
[0025] 30-wound simulation box, 300-central chamber, 31-chamber, 32-permeable layer;
[0026] 40-micro hydraulic pump, 50-controller;
[0027] 60-drainage hood, 61-suction tube;
[0028] 100-Negative pressure device. DETAILED DESCRIPTION
[0029] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.
[0030] Example 1: A wound surface negative pressure assisted cleaning model
[0031] Embodiment 1 provides a wound surface negative pressure assisted cleaning model, and its structure is described in detail below with reference to the accompanying drawings.
[0032] refer to Figures 1 to 3 The wound surface negative pressure assisted cleaning model includes a human body model 10, wherein the human body model 10 has an inner cavity 11 and an open port 12, wherein the open port 12 is arranged on the side of the inner cavity 11 and the open port 12 is communicated with the inner cavity 11;
[0033] The inner cavity of the human body model 10 is equipped with a liquid storage container 20, a micro hydraulic pump 40 and a controller 50.
[0034] A wound simulation box 30 is disposed on the opening 12 of the wound simulation box 30 and close to the inner side of the inner cavity 11, and the liquid storage container 20 stores liquid for simulating wound abscesses;
[0035] The inlet and outlet of the micro hydraulic pump 40 are respectively connected to the outlet of the liquid storage container 20 and the inlet of the wound simulation box 30, and the micro hydraulic pump 40 is electrically connected to the controller 50;
[0036] The controller 50 can control the micro hydraulic pump 40 . The controller 50 controls the osmotic pressure in the wound simulation box 30 by controlling the power of the micro hydraulic pump 40 .
[0037] Specifically, the human body model 10 is a buttocks model, and the wound surface is located at the posterior thigh position of the buttocks model, and the wound surface is used to simulate a buttocks pressure ulcer wound surface.
[0038] Furthermore, an opening and closing cover 13 is disposed on the top side of the inner cavity 11 , and the inner cavity 11 is opened by the opening and closing cover 13 .
[0039] Specifically, the wound simulation box 30 and the human body model 10 are detachably connected, for example, by gluing or fixing with screws.
[0040] Specifically, refer to Figure 3 , the micro hydraulic pump 40 is connected to the liquid storage container 20 and the wound simulation box 30 respectively through a delivery pipe 41;
[0041] The micro hydraulic pump 40 provides power for conveying liquid to the wound simulation box 30. When the micro hydraulic pump 40 is started, liquid flows from the liquid storage container 20 into the wound simulation box 30 under the action of the micro hydraulic pump 40. Under the continuous operation of the micro hydraulic pump 40, the wound simulation box 30 is prompted to generate continuous hydraulic pressure.
[0042] As a specific implementation, a permeable layer 32 that is permeable to liquid is disposed on a side of the wound simulation box 30 close to the opening 12. When the opening 12 is opened, the permeable layer 32 is exposed to the outside.
[0043] Specifically, the permeable layer 32 is made of a plastic permeable film or cloth.
[0044] The wound surface of the human body model 10 is provided with a drainage hood 60, and the drainage hood 60 can cover the permeable layer 32. The drainage hood 60 is connected to a suction tube 61, and the suction tube 61 is used to be connected to a negative pressure device 100; after being sucked by the negative pressure device 100, the infiltrated liquid is drained through the drainage hood 60, thereby simulating the cleaning of the wound surface.
[0045] By learning from this negative pressure-assisted wound cleaning model, medical staff can understand the negative pressure values required for wounds of different degrees, and thus better cope with real wound treatment.
[0046] Preferably, the drainage cover 60 is detachably connected to the human body model 10 by gluing.
[0047] As a specific implementation method, refer to Figure 4 The wound simulation box 30 includes a central chamber 300 and a plurality of peripheral chambers 31, and the plurality of peripheral chambers 31 surround the central chamber 300;
[0048] The output end of the delivery pipeline 41 is connected to the central chamber 300;
[0049] The outer circles of the central chamber 300 and each of the peripheral chambers 31 are respectively provided with permeable layers 32 . The permeable capacities of the permeable layers 32 respectively provided in each peripheral chamber 31 are different, and adjacent permeable layers 32 are marked with different colors to simulate different degrees of ulceration in different parts of the same wound surface.
[0050] Specifically, the wound simulation box 30 has two peripheral chambers 31 , which are arranged oppositely at two ends of the wound simulation box 30 and separated by the central chamber 300 .
[0051] Alternatively, as another embodiment, the wound simulation box 30 includes a central chamber 300 and a plurality of peripheral chambers 31, and the plurality of peripheral chambers 31 surround the central chamber 300;
[0052] The central chamber 300 and the outer ring of each peripheral chamber 31 are respectively provided with a permeable layer 32, and the peripheral chambers 31 at the maximum permeability position of the liquid simulating the wound abscess and the peripheral chambers 31 at the minimum permeability position are sequentially connected;
[0053] The output end of the delivery pipeline 41 is connected to the central chamber 300;
[0054] When the liquid simulating wound abscess is input into the wound simulation box 30, it will gradually flow from the peripheral chamber 31 corresponding to the position of maximum penetration into the peripheral chamber 31 corresponding to the position of minimum penetration, so that the osmotic pressure of the peripheral chamber 31 corresponding to the position of maximum penetration is the largest and more liquid permeates the permeable layer 32, which is used to simulate the same wound surface, different parts, and different degrees of ulceration.
[0055] Example 2: A method for using a negative pressure-assisted wound cleaning model
[0056] Embodiment 2 provides a method for using a negative pressure-assisted wound cleaning model, using the negative pressure-assisted wound cleaning model of embodiment 1, and the method comprises the following steps:
[0057] Starting the micro hydraulic pump 40 to cause the wound simulation box 30 to generate continuous hydraulic pressure;
[0058] The liquid simulating the wound abscess is output from the liquid storage container 20 to the wound simulation box 30, and then penetrates from the permeable layer 32 to the outer surface of the human body model 10, simulating the abscess penetration;
[0059] The controller 50 controls the micro hydraulic pump 40 to increase the power of the micro hydraulic pump 40 , thereby increasing the osmotic pressure in the wound simulation box 30 , thereby allowing more liquid to penetrate through the permeable layer 32 , simulating different degrees of wound permeability.
[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A wound surface negative pressure assisted cleaning model, characterized in that: The human body model (10) comprises an inner cavity (11) and an open port (12), wherein the open port (12) is arranged on the side of the inner cavity (11) and the open port (12) is communicated with the inner cavity (11); The inner cavity (11) of the human body model (10) is provided with a liquid storage container (20), a micro hydraulic pump (40) and a controller (50). A wound surface simulation box (30) is arranged on the open mouth (12) of the human body model (10) and close to the inner side of the inner cavity (11), and the liquid storage container (20) stores a liquid for simulating wound abscesses; The inlet and outlet of the micro hydraulic pump (40) are respectively connected to the outlet of the liquid storage container (20) and the inlet of the wound simulation box (30), and the micro hydraulic pump (40) is electrically connected to the controller (50); The controller (50) controls the osmotic pressure in the wound simulation box (30) by controlling the power of the micro hydraulic pump (40).
2. The wound surface negative pressure assisted cleaning model according to claim 1, characterized in that: The human body model (10) is a buttocks model, and the wound surface is located at the rear thigh position of the buttocks model, and the wound surface is used to simulate a buttocks pressure ulcer wound surface.
3. The wound surface negative pressure assisted cleaning model according to claim 2, characterized in that: An opening and closing cover (13) is disposed on the top side of the inner cavity (11), and the inner cavity (11) is opened by the opening and closing cover (13).
4. The wound surface negative pressure assisted cleaning model according to claim 1, characterized in that: The micro hydraulic pump (40) is respectively connected to the liquid storage container (20) and the wound simulation box (30) through a delivery pipeline (41); The micro hydraulic pump (40) provides power for conveying liquid to the wound simulation box (30). When the micro hydraulic pump (40) is started, liquid flows from the liquid storage container (20) into the wound simulation box (30) under the action of the micro hydraulic pump (40). The continuous operation of the micro hydraulic pump (40) causes the wound simulation box (30) to generate continuous hydraulic pressure.
5. The wound surface negative pressure assisted cleaning model according to claim 1, characterized in that: A permeable layer (32) that is permeable to liquid is provided on one side of the wound surface simulation box (30) close to the opening (12); when the opening (12) is opened, the permeable layer (32) is exposed to the outside.
6. The wound surface negative pressure assisted cleaning model according to claim 5, characterized in that: The wound surface of the human body model (10) is provided with a drainage cover (60), the drainage cover (60) can cover the permeable layer (32), the drainage cover (60) is connected to a suction tube (61), and the suction tube (61) is used to connect to a negative pressure device (100); After being sucked by the negative pressure device (100), the infiltrated liquid is drained through the drainage cover (60), thereby simulating wound cleaning.
7. The wound surface negative pressure assisted cleaning model according to claim 6, characterized in that: The drainage cover (60) is detachably connected to the human body model (10) by gluing.
8. The wound surface negative pressure assisted cleaning model according to claim 4, characterized in that: The wound simulation box (30) comprises a central chamber (300) and a plurality of peripheral chambers (31), wherein the plurality of peripheral chambers (31) surround the central chamber (300); The output end of the delivery pipeline (41) is in communication with the central chamber (300); The central chamber (300) and the outer ring of each peripheral chamber (31) are respectively provided with a permeable layer (32); the permeable layer (32) respectively provided in each peripheral chamber (31) has a different permeability, and adjacent permeable layers (32) are marked with different colors.
9. The wound surface negative pressure assisted cleaning model according to claim 8, characterized in that: The wound surface simulation box (30) has two peripheral chambers (31), and the two peripheral chambers (31) are arranged opposite to each other at two ends of the wound surface simulation box (30) and are separated by a central chamber (300).
10. The wound surface negative pressure assisted cleaning model according to claim 8, characterized in that: The wound simulation box (30) comprises a central chamber (300) and a plurality of peripheral chambers (31), wherein the plurality of peripheral chambers (31) surround the central chamber (300); The central chamber (300) and the outer ring of each peripheral chamber (31) are respectively provided with a permeable layer (32), and the peripheral chamber (31) is connected in sequence from the position where the permeability of the liquid simulating the wound abscess is the maximum to the position where the permeability of the liquid simulating the wound abscess is the minimum; The output end of the delivery pipeline (41) is in communication with the central chamber (300); When liquid simulating a wound abscess is input into the wound simulation box (30), it will gradually flow from the peripheral chamber (31) corresponding to the position of maximum penetration into the peripheral chamber (31) corresponding to the position of minimum penetration, so that the osmotic pressure of the peripheral chamber (31) corresponding to the position of maximum penetration is the largest and more liquid permeates the permeable layer (32).