Accurate and controllable internal arteriovenous fistula function training instrument
By designing a precise and controllable arteriovenous fistula (AVF) functional training device, and utilizing a micro air pump and a timer chip on a PLC control motherboard, the problem of lack of quantitative control in existing equipment has been solved, achieving standardized training for venous dilation and improving the standardization and consistency of training.
Patent Information
- Application Number
- CN202422443937.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-10
AI Technical Summary
Existing arteriovenous fistula (AVF) functional training equipment lacks standardized settings for quantitatively setting single-session training pressure, duration, and frequency, leading to frequent manual operation by patients and making it difficult to conduct regular training.
Design a precise and controllable arteriovenous fistula functional training device. The device controls the inflation and deflation of the air bladder through a micro air pump, and combines the timer and counting chip of the PLC control motherboard to achieve precise control of training time and frequency.
Standardized training for moderate venous dilation was achieved, reducing the frequency of patient intervention and ensuring the standardization and consistency of training.
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Figure CN223586225U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of rehabilitation training, specifically is a precise controllable arteriovenous fistula function training appearance. BACKGROUND
[0002] Arteriovenous fistula surgery is a kind of small operation of vascular anastomosis in arteriovenous internal surgery, mainly used for hemodialysis treatment, usually the artery of forearm near wrist part and adjacent vein are sewn up, make the vein after anastomosis flow arteria blood, form an arteriovenous fistula;
[0003] Usually, after the patient does arteriovenous fistula surgery, needs to cooperate to carry out functional exercise in order to promote the maturation of internal fistula, for example, clenched fist and wrist elbow joint movement, to promote blood circulation, internal fistula vein dilatation.However, the current equipment for internal fistula functional exercise only has a handgrip ball or a handgrip, and its function can complete the role of promoting upper limb blood circulation.But there is a lack of equipment for setting the single exercise pressure quantitatively in the current medical market, and the exercise duration and frequency cannot be set standardly, resulting in that the patient manually operates more and frequently, and it is difficult to achieve regular training, therefore, a precise controllable arteriovenous fistula function training appearance is proposed. SUMMARY
[0004] This part aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments.In this part, as well as the abstract of the specification and the utility model name of the application, some simplification or omission may be made to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.
[0005] Therefore, the purpose of the utility model is to provide a precise controllable arteriovenous fistula function training appearance, which can supply or release the gas in the air bag in real time through the micro air pump, control the inflation and deflation state of the air bag, adjust the moderate expansion of the vein, and the timer can record the training time in real time, and the inflation and deflation components can be controlled by the counting chip and PLC control mainboard within the specified training time, and the training frequency can be controlled, so as to standardize the functional exercise of arteriovenous fistula.
[0006] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:
[0007] A precise controllable arteriovenous fistula function training appearance, comprising:
[0008] The arm band is connected to the base frame.
[0009] The air charging and discharging component is connected to the arm band, and includes an air bag connected to the arm band, and a pressure sensor connected to the air bag, and the arm band is connected to a micro air pump through an air pipe;
[0010] The PLC control mainboard is arranged in the arm band, and the PLC control mainboard is connected to the air charging and discharging component to control the working state of the air charging and discharging component;
[0011] The air pipe is connected to an electric control air valve for controlling the opening and closing state of the air pipe, and the pressure sensor and the electric control air valve are connected to the PLC control mainboard;
[0012] The PLC control mainboard includes a timer and a counting chip, and the timer and the counting chip are embedded at the rear side of the arm band, and the timer and the counting chip are connected to the PLC control mainboard.
[0013] As a preferred scheme of the precise and controllable arteriovenous fistula function training instrument, the left end of the arm band is connected to a fixed mother band, and the right end of the arm band is connected to a fixed son band matched with the fixed mother band.
[0014] As a preferred scheme of the precise and controllable arteriovenous fistula function training instrument, the outer sides of the two ends of the air pipe are covered with sealing rubber strips.
[0015] Compared with the prior art, the precise and controllable arteriovenous fistula function training instrument has the following beneficial effects:
[0016] The micro air pump is arranged to supply air to the air bag or discharge air in the air bag in real time, so as to control the air charging and discharging state of the air bag, adjust the moderate expansion and relaxation of the vein, and record the training time in real time by the timer. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:
[0018] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0019] Figure 2 It is a schematic diagram of part of the structure of the present application;
[0020] Figure 3 It is a schematic diagram of the top view structure of the present application;
[0021] Figure 4 The utility model discloses a control module structure schematic diagram.
[0022] In the drawing: 100 arm band, 110 fixed female band, 120 fixed subzone, 210 air bag, 211 pressure sensor, 220 micro air pump, 221 air pipe, 230 electric control air valve, 300 PLC control mainboard, 310 timer, 320 counting chip. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiment of the utility model is described in detail below with the accompanying drawings.
[0024] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiment disclosed below.
[0025] Secondly, the utility model is described in detail in combination with the schematic diagram, when detailing the utility model embodiment, for facilitating the explanation, the section view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model here. In addition, the three-dimensional spatial dimension of length, width and depth should be contained in actual manufacture.
[0026] In order to make the purpose, technical scheme and advantage of the utility model more clear, the embodiment of the utility model will be described in further detail below in combination with the drawings.
[0027] The utility model provides a kind of precise controllable arteriovenous fistula function training instrument, please refer to Figures 1-4 Including, arm band 100, inflation and deflation component 200 and PLC control mainboard 300;
[0028] Please continue to refer to Figures 1-4 As the arm band 100 of connecting base frame, fixed female band 110 is sewn in the left end of arm band 100, fixed subzone 120 that cooperates with fixed female band 110 is sewn in the right end of arm band 100, and arm band 100 is tightened on the arm of patient by the cooperation of fixed female band 110 and fixed subzone 120;
[0029] Please continue to refer to Figures 1-3, the filling and discharging component 200 is connected to the cuff 100, and the filling and discharging component 200 comprises an air bag 210 which is attached to the cuff 100, and the air bag 210 is embedded with a pressure sensor 211, and the cuff 100 is connected with a micro air pump 220 through an air pipe 221, and the micro air pump 220 is used for supplying air into the air bag 210 or discharging air in the air bag 210 in real time;
[0030] The air pipe 221 is connected with an electric control air valve 230 through a connecting bolt, and the electric control air valve 230 is used for controlling the opening and closing state of the air pipe 221, and the pressure sensor 211 and the electric control air valve 230 are connected with a PLC control mainboard 300;
[0031] Please continue to refer to Figure 2 The PLC control mainboard 300 is arranged in the cuff 100, and the PLC control mainboard 300 is connected with the filling and discharging component 200, and the PLC control mainboard 300 is used for controlling the working state of the filling and discharging component 200, and the PLC control mainboard 300 is used as a control end, and the PLC control mainboard 300 is used for controlling the working state of the micro air pump 220, the pressure sensor 211 and the electric control air valve 230 in real time, and the micro air pump 220, the pressure sensor 211 and the electric control air valve 230 are counted once for each time of air filling or air discharging;
[0032] The PLC control mainboard 300 comprises a timer 310 and a counting chip 320, and the timer 310 and the counting chip 320 are embedded at the back side of the cuff 100, and the timer 310 and the counting chip 320 are connected with the PLC control mainboard 300, and the timer 310 is used for recording the training time in real time, and the timer 310 can control the cycle number of the filling and discharging component 200 in cooperation with the counting chip 320 and the PLC control mainboard 300 within the specified training time, and then the training frequency is controlled;
[0033] Working principle: when the utility model is used, the micro air pump 220 is used for supplying air into the air bag 210 or discharging air in the air bag 210 in real time, and then the filling and discharging state of the air bag 210 is controlled, so that the venous moderate expansion is adjusted, and the training time can be recorded in real time by the timer 310, and the cycle number of the filling and discharging component 200 can be controlled by the counting chip 320 and the PLC control mainboard 300 within the specified training time, and then the training frequency is controlled, so that the function exercise of the arteriovenous fistula is standardized.
[0034] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A precise and controllable arteriovenous fistula functional training device, characterized in that, include: The arm strap (100) serves as a connecting base frame. An inflation / deflation component (200) is connected to the armband (100) and includes an airbag (210) connected to the armband (100). A pressure sensor (211) is connected inside the airbag (210). The armband (100) is connected to a miniature air pump (220) via an air tube (221). The PLC control motherboard (300) is placed inside the arm strap (100), and the PLC control motherboard (300) is connected to the inflation / deflation component (200) to control the working status of the inflation / deflation component (200); An electrically controlled air valve (230) for controlling the opening and closing state of the air pipe (221) is connected to the air pipe (221). The pressure sensor (211) and the electrically controlled air valve (230) are both connected to the PLC control main board (300). The PLC control motherboard (300) includes a timer (310) and a counting chip (320). The timer (310) and the counting chip (320) are embedded on the back side of the arm strap (100), and both the timer (310) and the counting chip (320) are connected to the PLC control motherboard (300).
2. The precise and controllable arteriovenous fistula functional training device according to claim 1, characterized in that, The left end of the arm strap (100) is connected to a fixing mother strap (110), and the right end of the arm strap (100) is connected to a fixing daughter strap (120) that cooperates with the fixing mother strap (110).
3. The precise and controllable arteriovenous fistula functional training device according to claim 1, characterized in that, Both ends of the trachea (221) are covered with sealing strips.