Portable contrast agent heating device

Abstract

The utility model relates to a portable contrast agent heating device, which comprises a shell, a heating mechanism arranged outside the shell and a control mechanism arranged in the shell, the control mechanism is electrically connected with the heating mechanism, and the control mechanism comprises a temperature controller, a relay module, a step-down converter, a main control board and a power supply terminal; the power supply terminal is divided into two paths through wires, one path is connected with the heating mechanism through the temperature controller and the high-voltage end of the relay module, the other path is connected with the power supply end of the main control board through the step-down converter, and the output end of the main control board is connected with the low-voltage end of the relay module. The portable contrast agent heating device is simple in structure and small in overall size, elements and accessories are economical and easy to obtain, the automatic heating start-stop control function, the constant temperature maintaining effect and the heating speed adjusting function are achieved, the portable contrast agent heating device has good portability, meanwhile, the flexible heating part can be matched with syringes, medicine bottles and other containers of various specifications, and use is convenient. The heating device is especially suitable for intensifying the heating of the iodine contrast agent for CT examination.

Description

Technical Field

[0001] The utility model relates to the field of medical auxiliary equipment, in particular to a portable contrast agent heating device. Background Art

[0002] The existing methods of heating iodine contrast agents are mainly: using the heating sleeve of the high-pressure syringe to heat it, or by purchasing an additional constant temperature heating box for heating. Among them, the heating sleeve of the high-pressure syringe has low heating and heat preservation efficiency, and it is impossible to control the temperature. In addition, since different syringes are not interchangeable and are consumable parts, the overall cost of this heating method is high; and the constant temperature heating box, in addition to the need to purchase additional equipment, is generally large in size, and is not ideal in terms of economy and portability. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a portable contrast agent heating device, which has a simple structure, a small overall volume, and economical and easily available components and accessories, realizes automatic heating start and stop control, a constant temperature maintenance effect and a heating speed adjustment function, and while having good portability, the flexible heating part can be adapted to containers such as syringes and medicine bottles of various specifications, and is particularly suitable for heating iodine contrast agents used in enhanced CT examinations.

[0004] The portable contrast agent heating device includes a shell, a heating mechanism arranged outside the shell, and a control mechanism arranged inside the shell, wherein the control mechanism is electrically connected to the heating mechanism, wherein the control mechanism includes a temperature controller, a relay module, a step-down converter, a main control board, and a power terminal; the power terminal is divided into two paths through a wire, one path is connected to the heating mechanism via the temperature controller and the high-voltage end of the relay module, and the other path is connected to the power supply end of the main control board via the step-down converter, and the output end of the main control board is connected to the low-voltage end of the relay module.

[0005] Specifically, the temperature controller adopts YJ-SM3A high-precision temperature control; the buck converter adopts an AC-DC isolated power supply buck converter module; and the main control board adopts an Arduino UNO development board.

[0006] Furthermore, the heating mechanism includes a flexible nylon cloth inner layer, a wiring layer, a double-sided adhesive fixing layer, a heat-insulating cotton layer, and a flexible nylon cloth outer layer that are composited into one. The wiring layer located in the middle layer is provided with a silicone-sheathed constantan wire heating wire, and the flexible nylon cloth inner layer and the flexible nylon cloth outer layer located in the inner and outer surface layers are provided with Velcro velvet and hook surfaces respectively.

[0007] Furthermore, the silicone sheathed constantan wire heating wire is arranged in a folded manner, and two shaped thin copper wires are provided on the upper and lower sides of the silicone sheathed constantan wire heating wire.

[0008] Optimally, the portable contrast agent heating device also includes a temperature sensor, which is an independently powered analog temperature sensor, and the output end of the temperature sensor is connected to the signal input end of the main control board.

[0009] Optimized, the shell adopts a 3D printed shell made of polylactic acid material; the shell is provided with a power interface for connecting an external AC220V power supply with an internal power terminal, and an inlet and outlet for connecting an external heating mechanism, a temperature sensor and an internal control mechanism.

[0010] The utility model discloses a portable contrast agent heating device, which has a simple structure, a small overall volume, and economical and readily available components and accessories. It realizes automatic heating start and stop control, a constant temperature maintenance effect, and a heating speed adjustment function. While having good portability, the flexible heating part can be adapted to containers such as syringes and medicine bottles of various specifications, and is particularly suitable for heating iodine contrast agents used in enhanced CT examinations. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The portable contrast agent heating device of the utility model is further described below in conjunction with the accompanying drawings:

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the portable contrast agent heating device;

[0013] Figure 2 It is a wireframe diagram of the logic structure and connection principle of the control mechanism of the portable contrast agent heating device;

[0014] Figure 3 It is a schematic diagram of the layered structure of the heating mechanism of the portable contrast agent heating device.

[0015] In the figure:

[0016] 1-housing; 11-power interface, 12-inlet and outlet;

[0017] 2-heating mechanism; 21-flexible nylon cloth inner layer, 22-wiring layer, 23-double-sided adhesive fixing layer, 24-insulating cotton layer, 25-flexible nylon cloth outer layer, 26-Velcro; 221-silicone outer skin constantan wire heating wire, 222-shaped thin copper wire;

[0018] 3-control mechanism; 31-thermostat, 32-relay module, 33-step-down converter, 34-main control board, 35-power terminal;

[0019] 4- Temperature sensor. DETAILED DESCRIPTION

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the description of the present invention, it should be understood that the terms "left", "right", "front", "back", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0022] The technical solution of the utility model is further described below with specific embodiments, but the protection scope of the utility model is not limited to the following embodiments.

[0023] Implementation method 1: Figure 1 , 2As shown, the portable contrast agent heating device includes a housing 1, a heating mechanism 2 arranged outside the housing 1, and a control mechanism 3 arranged inside the housing 1, wherein the control mechanism 3 is electrically connected to the heating mechanism 2, wherein the control mechanism 3 includes a thermostat 31, a relay module 32, a buck converter 33, a main control board 34, and a power terminal 35; the power terminal 35 is divided into two paths through a wire, one path is connected to the heating mechanism 2 through the thermostat 31 and the high-voltage end of the relay module 32, and the other path is connected to the power supply end of the main control board 34 through the buck converter 33, and the output end of the main control board 34 is connected to the low-voltage end of the relay module 32. The thermostat 31 adopts YJ-SM3A high-precision temperature control; the buck converter 33 adopts an AC-DC isolated power buck converter module; and the main control board 34 adopts an ArduinoUNO development board. YJ-SM3A high-precision temperature control can control the current through resistance to achieve current change and thus control the temperature, and realize manual adjustment of the heating speed; the AC-DC isolated power supply buck converter module reduces the 220V AC power to 5V DC to drive the main control board to run; the ArduinoUNO development board drives the low-voltage part of the relay through weak current signals to control the on and off of the high-voltage part. The AC220V external power supply is connected to the power terminal, and the wire is connected to the YJ-SM3A high-precision temperature control and the silicone-coated constantan wire heating wire. When the YJ-SM3A high-precision temperature control is in the state of loop connection, the current is controlled by resistance to achieve current change and thus control the heating speed; at the same time, this part of the circuit is connected in series with the high-voltage part of the relay module, and the ArduinoUNO development board sends a signal to the low-voltage part of the relay module, uses weak current to control strong current, controls the high-voltage part of the relay to execute the on and off of the loop, and the silicone-coated constantan wire heating wire is heated and stopped.

[0024] Implementation method 2: Figure 3 As shown, the heating mechanism 2 of the portable contrast agent heating device includes a flexible nylon cloth inner layer 21, a wiring layer 22, a double-sided adhesive fixing layer 23, a heat-insulating cotton layer 24, and a flexible nylon cloth outer layer 25, which are composited into one. The wiring layer 22 located in the middle layer is provided with a silicone-skinned copper wire heating wire 221, and the surfaces of the flexible nylon cloth inner layer 21 and the flexible nylon cloth outer layer 25 located in the inner and outer surface layers are provided with a velvet surface and a hook surface of a Velcro 26, respectively. The flexible nylon cloth inner layer is applied to the heated device, the heat generated by the wiring layer is conducted inwardly, the double-sided adhesive fixing layer is used to fix the copper wire of the wiring layer, the heat-insulating cotton layer is used to prevent heat dissipation outward to improve the heating efficiency, and the Velcro is used to fix the entire heating mechanism when wrapping around the high-pressure syringe barrel or medicine bottle. The remaining structures and components are as described in Implementation 1 and will not be described again.

[0025] Implementation method 3: Figure 3As shown, the silicone-coated constantan wire heating wire 221 of the portable contrast agent heating device is arranged in a folding manner, and two shaped thin copper wires 222 are provided on the upper and lower sides of the silicone-coated constantan wire heating wire 221. The reciprocatingly folded silicone-coated constantan wire heating wire 221 is used for electric heating, and the shaped thin copper wire is used to shape the curvature of the entire heating mechanism when wrapping around the high-pressure syringe syringe or medicine bottle. The remaining structures and components are as described in Embodiment 1 and will not be described again.

[0026] Implementation 4: Figure 1 , 2 As shown, the portable contrast agent heating device also includes a temperature sensor 4, which is an independently powered analog temperature sensor, and the output end of the temperature sensor 4 is connected to the signal input end of the main control board 34. The analog temperature sensor is powered independently of the heating part so that temperature monitoring can be performed at any position. The remaining structures and components are as described in Embodiment 1 and will not be described again.

[0027] Implementation 5: Figure 1 As shown, the housing 1 of the portable contrast agent heating device is a 3D printed housing made of polylactic acid material; the housing 1 is provided with a power interface 11 for connecting an external AC220V power supply to an internal power terminal 35, and an inlet and outlet 12 for connecting an external heating mechanism 2, a temperature sensor 4 and an internal control mechanism 3. The remaining structures and components are as described in Embodiment 1 and will not be described again.

[0028] During operation: the control mechanism starts after the power terminal is powered on, the temperature sensor sends the temperature to the main control board, the high-voltage end of the relay module is connected, and the constantan wire heating wire is powered on to start heating; during the process, the heating speed is manually controlled by setting the temperature control, and the temperature value threshold is controlled by setting the main control board; when the temperature reaches the upper limit, the main control board sends a signal command to control the high-voltage part of the relay module to disconnect the circuit, and the heating part is disconnected. At this time, no heating is performed and one-time heating is completed; when the temperature drops to the lower limit of the threshold, the main control board controls the high-voltage part of the relay module to be connected, and the heating mechanism heats up again, and this is repeated.

[0029] This portable contrast agent heating device has a simple structure, a small overall size, and economical and easily available components. It realizes automatic heating start and stop control, constant temperature maintenance effect and heating speed adjustment function. While having good portability, the flexible heating part can be adapted to various specifications of syringes, medicine bottles and other containers, and is especially suitable for heating iodine contrast agents used in enhanced CT examinations.

[0030] The above description shows the main features, basic principles, and advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments or embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, the above embodiments or embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A portable contrast agent heating device, characterized in that: The invention comprises a housing (1), a heating mechanism (2) arranged outside the housing (1), and a control mechanism (3) arranged inside the housing (1), wherein the control mechanism (3) is electrically connected to the heating mechanism (2), wherein: The control mechanism (3) comprises a temperature controller (31), a relay module (32), a step-down converter (33), a main control board (34), and a power supply terminal (35); the power supply terminal (35) is divided into two paths through a wire, one path is connected to the heating mechanism (2) via the temperature controller (31) and the high-voltage end of the relay module (32), and the other path is connected to the power supply end of the main control board (34) via the step-down converter (33), and the output end of the main control board (34) is connected to the low-voltage end of the relay module (32).

2. The portable contrast agent heating device according to claim 1, characterized in that: The temperature controller (31) adopts a YJ-SM3A high-precision temperature controller; the buck converter (33) adopts an AC-DC isolated power buck converter module; and the main control board (34) adopts an Arduino UNO development board.

3. The portable contrast agent heating device according to claim 2, characterized in that: The heating mechanism (2) comprises a flexible nylon cloth inner layer (21), a wiring layer (22), a double-sided adhesive fixing layer (23), a heat insulating cotton layer (24), and a flexible nylon cloth outer layer (25) which are composited into one body; the wiring layer (22) located in the middle layer is provided with a silicone-coated constantan wire heating wire (221); and the surfaces of the flexible nylon cloth inner layer (21) and the flexible nylon cloth outer layer (25) located in the inner and outer surface layers are provided with a velvet surface and a hook surface of a Velcro (26) respectively.

4. The portable contrast agent heating device according to claim 3, characterized in that: The silicone-coated constantan wire heating wire (221) is arranged in a folded manner, and two shaped thin copper wires (222) are provided on the upper and lower sides of the silicone-coated constantan wire heating wire (221).

5. The portable contrast agent heating device according to claim 4, characterized in that: It also includes a temperature sensor (4), wherein the temperature sensor (4) is an independently powered analog temperature sensor, and the output end of the temperature sensor (4) is connected to the signal input end of the main control board (34).

6. The portable contrast agent heating device according to claim 5, characterized in that: The shell (1) is a 3D printed shell made of polylactic acid material; the shell (1) is provided with a power interface (11) for connecting an external AC220V power supply to an internal power terminal (35), and an inlet and outlet (12) for connecting an external heating mechanism (2), a temperature sensor (4) and an internal control mechanism (3).

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