Medical guide wire dip-coating device
By combining a temperature control chamber and a temperature sensor with a heating and cooling system, the problem of inaccurate temperature control in the dipping tank was solved, ensuring coating uniformity and improving the dipping effect of medical guidewires.
Patent Information
- Application Number
- CN202423280061.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing medical guidewire dip coating devices, the dip temperature is not accurately controlled, resulting in excessively rapid evaporation of the coating or poor fluidity, which affects the dip coating effect.
A temperature control chamber and temperature sensor are used in conjunction with a heating device and a cooling water pipe system. The temperature sensor detects the temperature inside the immersion tank, the heating device and water pump are used to regulate the temperature, and a stirring device is used to ensure the uniformity of the coating.
It achieves precise temperature control and coating uniformity in the dip coating tank, improving the uniformity and quality of medical guidewire dip coating and enhancing the effectiveness of the device.
Smart Images

Figure CN223818976U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dip -coating device technical field especially relates to a medical guide wire dip -coating device. BACKGROUND
[0002] Medical guide wire is a kind of long, soft wire, is used to guide other medical instruments in human body blood vessel or other lumen, for example, catheter, balloon or stent, it can create a safe passage in blood vessel or other narrow, curved lumen, provide guidance for the smooth passage of subsequent instruments, doctor can explore the anatomical structure of blood vessel or lumen through guide wire, assess the degree and position of stenosis or obstruction, guide wire can provide support in the process of inserting other medical instruments, prevent the twist or break of instrument.
[0003] In prior art, in order to improve the performance and biocompatibility of medical guide wire, generally dip -coating coating on its surface, to reduce the friction between guide wire and blood vessel wall, make guide wire more easily pass through narrow or curved blood vessel, reduce the operation difficulty and damage to blood vessel, but when dip -coating guide wire, due to the temperature control of dip -coating groove is not in place, its temperature is too high to cause coating volatilization too fast, temperature is too low to cause poor flowability of coating, thereby reduce the use effect of the medical guide wire dip -coating device. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problem that the temperature control of dip -coating groove is not in place when using existing equipment, and provides a medical guide wire dip -coating device.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a medical guide wire dip -coating device, including temperature control room, the inner wall bottom of temperature control room is fixedly installed with two heating devices, the top of temperature control room is fixedly installed with dip -coating groove, the inner wall one side of dip -coating groove is fixedly installed with temperature sensor, the outer wall one side of dip -coating groove is contacted with cold water tank, the top of cold water tank is fixedly installed with cover plate, the top of cover plate is fixedly inserted with two cooling water pipes, and the outer surface wall of two cooling water pipes is connected with the inside of dip -coating groove, the outer surface wall of two cooling water pipes is fixedly installed with water pump, and the outer wall other side of dip -coating groove is contacted with recovery tank.
[0006] Preferably, the outer wall one side of cold water tank is fixedly inserted with water adding pipe, and the outer surface wall of water adding pipe is fixedly installed with first control valve.
[0007] Preferably, the outer wall one side of recovery tank is fixedly inserted with connecting pipe, and the outer surface wall of connecting pipe is fixedly installed with second control valve.
[0008] Preferably, the outer wall of the dip coating tank is fixedly provided with four fixed plates, and the top of each of the four fixed plates is fixedly provided with an electric push rod.
[0009] Preferably, the output end of each of the four electric push rods is fixedly provided with a strip-shaped plate, and the top of each of the two strip-shaped plates is fixedly provided with a driving motor.
[0010] Preferably, the bottom of each of the two driving motors is fixedly provided with a stirring device.
[0011] Preferably, the outer wall of the dip coating tank is fixedly provided with a controller, and the outer wall of the controller is electrically connected with the outer walls of the two heating devices, the two water pumps, the first control valve, the second control valve and the two driving motors.
[0012] Compared with the prior art, the dip coating device has the advantages and positive effects that,
[0013] 1. In the utility model, under the action of the temperature sensor, when the coating temperature in the dip coating tank is lower than the original set value, the two heaters are started by the controller to heat the coating to the original set temperature range, when the coating temperature in the dip coating tank is higher than the original set value, the two water pumps are started by the controller to make the water in the cold water tank flow along the two cooling water pipes, pass through the inside of the dip coating tank and take away part of the heat of the coating in the inside of the dip coating tank, and then return to the recovery tank, so that the temperature in the dip coating tank is always ensured to be in the appropriate range, thereby the uniformity and quality of the medical guide wire dip coating can be improved, and the use effect of the medical guide wire dip coating device is improved.
[0014] 2. In the utility model, the two driving motors are started by the controller to drive the two stirring devices to stir the coating in the inside of the dip coating tank, and the four electric push rods are started by the controller to drive the two strip-shaped plates, the two driving motors and the two stirring devices to move up and down, so that the stirring track of the stirring device in the dip coating tank is changed, thereby the uniformity of the coating can be ensured, and the uniformity and quality of the medical guide wire dip coating are further improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A perspective view of the medical guide wire dip coating device is provided for the utility model;
[0016] Figure 2 A front view of the medical guide wire dip coating device is provided for the utility model;
[0017] Figure 3 A partially exploded view of the medical guide wire dip coating device is provided for the utility model;
[0018] Figure 4 A partially expanded schematic view of the medical guide wire dip coating device is provided for the utility model.
[0019] Legend:
[0020] 1. Controlled temperature chamber; 2. Heating device; 3. Dipping tank; 4. Temperature sensor; 5. Cold water tank; 6. Cover plate; 7. Cooling water pipe; 8. Water pump; 9. Recovery tank; 10. Water supply pipe; 11. First control valve; 12. Connecting pipe; 13. Second control valve; 14. Fixing plate; 15. Electric push rod; 16. Strip plate; 17. Drive motor; 18. Stirring device; 19. Controller. Detailed Implementation
[0021] To better understand the above-mentioned objectives, features and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.
[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0023] Example 1: As Figures 1-4 As shown, this utility model provides a medical guide wire dipping device, including a controlled chamber 1, two heating devices 2 fixedly installed on the bottom of the inner wall of the controlled chamber 1, a dipping tank 3 fixedly installed on the top of the controlled chamber 1, a temperature sensor 4 fixedly installed on one side of the inner wall of the dipping tank 3, a cold water tank 5 in contact with one side of the outer wall of the dipping tank 3, a cover plate 6 fixedly installed on the top of the cold water tank 5, two cooling water pipes 7 fixedly inserted on the top of the cover plate 6, and the outer walls of the two cooling water pipes 7 are connected to the interior of the dipping tank 3, a water pump 8 fixedly installed on the outer walls of both cooling water pipes 7, a recovery tank 9 in contact with the other side of the outer wall of the dipping tank 3, a water inlet pipe 10 fixedly inserted on one side of the outer wall of the cold water tank 5, a first control valve 11 fixedly installed on the outer wall of the water inlet pipe 10, a connecting pipe 12 fixedly inserted on one side of the outer wall of the recovery tank 9, and a second control valve 13 fixedly installed on the outer wall of the connecting pipe 12.
[0024] The effect achieved by the whole embodiment 1 is that when the medical guide wire needs to be dip-coated in the dip-coating tank 3, the temperature in the dip-coating tank 3 is ensured to be always within the optimal temperature range for dip-coating the medical guide wire, and the temperature range value is set in the temperature sensor 4, when the temperature sensor 4 detects that the temperature in the dip-coating tank 3 is lower than the set value, the two heating devices 2 are started by the controller 19 to heat the dip-coating tank 3 until the temperature returns to the original set temperature range, when the temperature sensor 4 detects that the temperature in the dip-coating tank 3 is higher than the set value, the two water pumps 8 are started by the controller 19 to make the cold water in the cold water tank 5 flow along the two cooling water pipes 7, pass through the inside of the dip-coating tank 3, and take away part of the heat of the coating inside, and then flow into the recovery tank 9, under the action of the first control valve 11 and the water adding pipe 10, it is connected with the external water pipe to ensure that the cold water is sufficient, under the action of the second control valve 13 and the connecting pipe 12, the water with heat can be used for other processes to reduce the loss of heat energy and always ensure that the temperature in the dip-coating tank 3 is within the appropriate range, thereby improving the uniformity and quality of dip-coating the medical guide wire, and further improving the use effect of the medical guide wire dip-coating device.
[0025] Embodiment 2: as shown in Figures 2-4 The outer wall of the dip-coating tank 3 is fixedly installed with four fixed plates 14, the top of each of the four fixed plates 14 is fixedly installed with an electric push rod 15, the output end of each of the four electric push rods 15 is fixedly installed with a strip-shaped plate 16, the top of each of the two strip-shaped plates 16 is fixedly installed with a driving motor 17, the bottom of each of the two driving motors 17 is fixedly installed with a stirring device 18, the outer wall of the dip-coating tank 3 is fixedly installed with a controller 19, and the outer wall of the controller 19 is electrically connected with the outer walls of the two heating devices 2, the two water pumps 8, the first control valve 11, the second control valve 13 and the two driving motors 17.
[0026] The effect achieved by the whole embodiment 2 is that the two driving motors 17 installed on the two strip-shaped plates 16 are started by the controller 19 to drive the two stirring devices 18 to stir the coating in the inside of the dip-coating tank 3, at the same time, the four electric push rods 15 are started by the controller 19 to drive the two strip-shaped plates 16, the two driving motors 17 and the two stirring devices 18 to move up and down to change the stirring track of the stirring device 18 in the dip-coating tank 3, the stirring device 18 is composed of a stirring rod and a plurality of stirring blades, thereby further ensuring the uniformity of the coating in the dip-coating tank 3, improving the uniformity and quality of dip-coating the medical guide wire, and thereby improving the use effect of the medical guide wire dip-coating device.
[0027] Working principle: first, when the medical guide wire needs to be dipped in the dip tank 3, under the action of temperature sensor 4, when the coating temperature in the dip tank 3 is lower than the original set value, then through the controller 19 start two heating device 2, make it to the dip tank 3 heating, until the temperature returns to the original set temperature range, when the temperature in the dip tank 3 is higher than the set value, then through the controller 19 start two water pump 8, make the cold water in the cold water tank 5 along the two cooling water pipe 7 flow, through the inside of dip tank 3, and take away part of the heat of the coating inside, and then flow into the recovery tank 9, then under the action of the first control valve 11 and water pipe 10, can ensure that the cold water is enough, under the action of the second control valve 13 and connecting pipe 12, can be used for other processes with heat, reduce the loss of heat energy, at the same time, through the controller 19 start two drive motor 17 and four electric push rod 15, make it to drive two stirring device 18 in the dip tank 3 on the coating stirring at the same time, can also move up and down, and change the stirring track of stirring device 18 in the coating, can further guarantee the uniformity of the coating in the dip tank 3, in general, through the temperature in the dip tank 3 is always in the appropriate range, and guarantee the uniformity of the coating in the dip tank 3, can improve the uniformity and quality of the medical guide wire dipping, thereby improving the use effect of the medical guide wire dipping device.
[0028] The above is only the preferred embodiment of the present application, not the other forms of the present application limit, any skilled in the art of the technical personnel may use the above disclosed technical content to change or modification as equivalent variation of equivalent embodiment applied to other fields, but any simple modification, equivalent change and modification of the above embodiment, which does not deviate from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical scheme of the present application.
Claims
1. A medical guidewire dipping device, comprising a temperature control chamber (1), characterized in that: Two heating devices (2) are fixedly installed on the bottom of the inner wall of the temperature control chamber (1). A dipping tank (3) is fixedly installed on the top of the temperature control chamber (1). A temperature sensor (4) is fixedly installed on one side of the inner wall of the dipping tank (3). A cold water tank (5) is in contact with one side of the outer wall of the dipping tank (3). A cover plate (6) is fixedly installed on the top of the cold water tank (5). Two cooling water pipes (7) are fixedly inserted on the top of the cover plate (6). The outer walls of the two cooling water pipes (7) are connected to the inside of the dipping tank (3). A water pump (8) is fixedly installed on the outer walls of the two cooling water pipes (7). A recycling box (9) is in contact with the other side of the outer wall of the dipping tank (3).
2. The medical guidewire dipping device according to claim 1, characterized in that: A water inlet pipe (10) is fixedly inserted into one side of the outer wall of the cold water tank (5), and a first control valve (11) is fixedly installed on the outer wall of the water inlet pipe (10).
3. The medical guidewire dipping device according to claim 2, characterized in that: A connecting pipe (12) is fixedly inserted into one side of the outer wall of the recycling bin (9), and a second control valve (13) is fixedly installed on the outer wall of the connecting pipe (12).
4. The medical guidewire dipping device according to claim 3, characterized in that: The outer wall of the dip coating tank (3) is fixedly equipped with four fixing plates (14), and the top of each of the four fixing plates (14) is fixedly equipped with an electric push rod (15).
5. The medical guidewire dipping device according to claim 4, characterized in that: Two strip plates (16) are fixedly installed at the output ends of the four electric push rods (15), and a drive motor (17) is fixedly installed on the top of each of the two strip plates (16).
6. The medical guidewire dipping device according to claim 5, characterized in that: A stirring device (18) is fixedly installed at the bottom of each of the two drive motors (17).
7. The medical guidewire dipping device according to claim 6, characterized in that: A controller (19) is fixedly installed on one side of the outer wall of the dip coating tank (3), and the outer wall of the controller (19) is electrically connected to the outer walls of the two heating devices (2), two water pumps (8), the first control valve (11), the second control valve (13) and the two drive motors (17).