TWM473815U - Electromagnetic hyperthermia system - Google Patents

Description

Electromagnetic hyperthermia system

The present invention relates to a hyperthermia system, and more particularly to an electromagnetic hyperthermia system.

"electromagnetic hyperthermia therapy" is an emerging hyperthermia technique for treating tumors. It is mainly through the insertion of a thermotherapy needle with a magnetic heating function into the treated part of the organ. The hyperthermia needle applies a change in the magnetic field, which induces the magnetic heating of the thermotherapy needle to destroy the surrounding tumor cells. Since the needle body of the electromagnetic hyperthermia has a low manufacturing cost, it is a relatively economical therapeutic product.

In order to induce the magnetic heating of the hyperthermia needle, the hyperthermia needle is generally inserted into the patient to be treated, so that the patient's body is located between the coils of the upper and lower intervals, that is, the part to be treated is between these The coils are then energized to drive the coils to generate a high frequency magnetic field to induce magnetic heating of the heat treatment needle. However, the current coil positioning structure of the hyperthermia system is quite inconvenient to use, and the height and the distance between the two can only be manually adjusted manually, and usually does not have the function of adjusting the horizontal angle, so the coils and the coils cannot be accurately controlled. The distance between the thermotherapy needles makes it difficult to adjust the position of the coil and the magnetic field of the relative thermotherapy needle according to the treatment demand, and there is still room for improvement.

Therefore, the object of the present invention is to provide an electromagnetic thermotherapy system that is convenient to use and can automatically and accurately control the position and angle of the coil.

Therefore, the electromagnetic thermotherapy system of the present invention is suitable for inducing magnetic heating of the thermotherapy needle, and comprises a machine table, a lifting and lowering device mounted on the machine, a coil device mounted on the lifting and adjusting device, and a coil device An electromagnetic control device mounted on the machine and electrically connected to the coil devices. The machine base comprises a machine body and a guiding track mounted on the machine body. The lifting and lowering device comprises two lifting seats which can be respectively mounted on the guiding track by the driving up and down displacement, two mounted on the lifting seats respectively, and can respectively drive the lifting and positioning of the respective lifting seats along the guiding track up and down And two rotators respectively mounted on the lifting seats. The coil devices are respectively mounted on the transducers, and are respectively driven by the transducers to rotate to change the horizontal angle. The electromagnetic control device is mounted on the machine body and can be energized to drive the coil devices to generate a magnetic field change.

The effect of the novel: through the lifting and lowering device, the structural design of the height position and the horizontal angle of the coil device can be adjusted, so that the electromagnetic thermotherapy system of the present invention can be based on the shape of the patient, the shape of the hyperthermia needle insertion part, or the hyperthermia Various conditions such as needle insertion angle are used to adjust the position and angle of the coil devices, so as to cooperate with the thermotherapy needle to produce an optimal thermotherapy effect, which helps to improve the quality of electromagnetic hyperthermia.

3‧‧‧ machine

31‧‧‧ machine body

32‧‧‧ wheel body

33‧‧‧Guided orbit

4‧‧‧ Lifting and adjusting device

41‧‧‧ Lifting seat

42‧‧‧ Lifter

43‧‧‧ 调器

5‧‧‧Circuit device

51‧‧‧ coil holder

52‧‧‧ coil

6‧‧‧Electromagnetic control device

61‧‧‧temperature sensor

62‧‧‧Power supply

63‧‧‧ Temperature Controller

7‧‧‧Cooling device

71‧‧‧Water tank

72‧‧‧Water pump

8‧‧‧Central control unit

Other features and effects of the present invention will be apparent from the following description of the drawings, in which: 1 is a perspective view of a preferred embodiment of the present invention; FIG. 2 is a functional block diagram of the preferred embodiment; FIG. 3 is a partial plan cross-sectional view of the coil device of the preferred embodiment; Figure 4 is a side elevational view of the preferred embodiment; and Figure 5 is a view similar to Figure 4, and illustrating a situation in which a coil assembly is shifted down and the coil holder is rotated an angle.

As shown in Figures 1, 2, and 4, the preferred embodiment of the present electromagnetic thermotherapy system is adapted to generate a magnetic field of high frequency variation to induce a hyperthermia needle (not shown) inserted in the patient. Magnetic heating.

The electromagnetic heat therapy system comprises a machine table 3, a lifting and lowering device 4 mounted on the machine table 3, and a coil device 5 respectively mounted on the lifting and lowering device 4, and is mounted on the machine table 3 and electrically connected thereto. An electromagnetic control device 6 of the coil device 5, a cooling device 7 mounted to the machine 3 and connected to the coil devices 5, and a central control device 8. The machine table 3 includes a machine body 31, a plurality of wheel bodies 32 respectively mounted below the machine body 31, and a guide rail 33 attached to the side of the machine body 31.

The lifting and lowering device 4 includes two lifting blocks 41 which are vertically spaced apart and are vertically displaceably mounted to the guiding rails 33, and two lifters 42 respectively mounted in the lifting seats 41 and coupled to the guiding rails 33. And two regulators 43 respectively mounted in the lifting blocks 41. The lifts 42 can be respectively controlled by the central control device 8, and each of them is vertically displaced along the guiding track 33, thereby respectively driving the respective lifting blocks 41 to be displaced up and down. The rotators 43 are respectively driven by the central control unit 8 to rotate the respective connected objects around an axis.

In this embodiment, the lifting and lowering mechanism between the elevator 42 and the guiding rail 33 is designed by using a stepping motor and a gear meshing transmission mechanism, and can accurately control the lifting distance. When implemented, the elevators are implemented. 42 can also be changed to servo motor transmission mechanism to accurately control the lifting height, and because of the numerous lifting and positioning structures between the lifting device 42 and the guiding rail 33, it can also be replaced by other lifting transmission structures, not the above Type is limited.

As shown in FIG. 1 and FIG. 3, the coil devices 5 are respectively mounted on the transducers 43. Each coil device 5 includes a coil holder 51 mounted on the controller 43 and is mounted and fixed to the coil holder 51. The coil 52 in the middle. The coil base 51 is made of an electrically insulating material and can be driven by the adjuster 43 to be rotated clockwise or counterclockwise with respect to the lift base 41, thereby driving the coil 52 to rotate to change its horizontal angle. In this embodiment, the coil 52 is a hollow copper tube, and the two ends of the coil 52 are connected to the cooling mechanism for injecting and discharging the cooling liquid for cooling.

In the present embodiment, the angle range in which the coil base 51 is driven by the rotator 43 is 45° in the counterclockwise direction and the clockwise direction. However, the range of the rotation angle is not limited thereto.

As shown in FIG. 1 and 2, the electromagnetic control device 6 includes a temperature sensor 61 that can be mounted on a thermal therapy needle, and is electrically connected to the wires. The coil 52 can be powered to drive the coil 52 to generate a high frequency varying magnetic field power supply 62, and a signal is coupled to the temperature controller 63 between the temperature sensor 61 and the power supply 62. The temperature sensor 61 senses the temperature of the thermotherapy needle to output a temperature signal. The temperature controller 63 can be used by the central control device 8 to set the predetermined temperature of the thermal therapy needles, and can adjust the magnitude and/or frequency of the alternating current output by the power supply 62 according to the temperature signal change, thereby controlling the coils. 52 The intensity of the high-frequency magnetic field generated, and then adjust the temperature of the magnetic heating of the thermotherapy needle.

The cooling device 7 includes a water tank 71 mounted on the machine body 31 and containing a coolant, and a water pump 72 connected to the water tank 71. The water tank 71 is connected to one end of the coil 52, and the water pump 72 is connected to the other end of the coil 52, so that the water tank 71 and the water pump 72 respectively cooperate with the coils 52 to form a cooling. Liquid circulation circuit. The water pump 72 can be activated to pump the coolant in the water tank 71 into the coils 52, thereby dissipating the heat generated by the coils 52, and the coolant injected into the coils 52 is returned to the water tank 71. The cooling is repeated for repeated use, whereby the temperature of the coils 52 is maintained at a lower temperature.

The central control device 8 is connected to the elevators 42, the controllers 43, the temperature controller 63 and the water pump 72 for operating and controlling the lifting positions of the elevators 42 and controlling the converters. The turning angle of 43 further adjusts the upper and lower angles of the coils 52 and the horizontal angle, and is used to set a predetermined temperature of the thermotherapy needle of the temperature controller 63, and can be used to start and close the water pump 72.

As shown in FIG. 1, 2, 4, and 5, when the electromagnetic thermotherapy system of the present invention is used, the central control device 8 can be operated to control the lifters 42 to be displaced up and down along the guide rail 33, so that the coils 52 are respectively It is located at a certain distance above and below the part to be treated where the patient is inserted into the hyperthermia needle, and further cooperates with the shape of the part to be treated or the angle of insertion of the thermotherapy needle, etc., and individually controls the transducers 43 to drive each The coil holder 51 drives the coil 52 to change the horizontal angle to meet the magnetic field application angle required for the treatment, and after setting the predetermined temperature of the thermotherapy needle of the temperature controller 63, the power supply 62 can be activated to start the power supply. The coil 52 generates a high-frequency magnetic field to induce magnetic heating of the thermotherapy needle inserted into the patient, and the temperature controller 63 starts to adjust the power supply according to the temperature signal returned by the temperature sensor 61. The AC 62 outputs alternating current to maintain the thermal needle at the predetermined temperature set. At this time, the water pump 72 can also be activated together, and the coolant of the water tank 71 is circulated into the coils 52 to prevent the coils 52 from being overheated.

In summary, the structure of the high-low position and the horizontal angle of the coil 52 can be adjusted through the lifting and lowering device 4, so that the electromagnetic thermotherapy system of the present invention can be based on the shape of the patient, the shape of the hot-therapy needle insertion portion, or The thermotherapy needle is inserted with various angles and the like to adjust the distance between the coils 52 and the patient's distance, and the angle of the applied electromagnetic field, so as to cooperate with the thermotherapy needle to produce an optimal thermotherapy effect, and the cooling can be transmitted through the cooling. The device 7 dissipates the thermal energy generated by the coils 52 to maintain the coils 52 in a low temperature state and relatively prolong the service life of the coil devices 5. Further, the electromagnetic control device 6 can automatically adjust the design of the alternating current applied to the coils 52 according to the temperature change of the thermotherapy needle, so as to be accurate in real time. Controlling the temperature of these thermotherapy needles helps to improve the quality of electromagnetic hyperthermia, which is quite convenient and practical. Therefore, it is indeed possible to achieve the purpose of the present invention.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

3‧‧‧ machine

31‧‧‧ machine body

32‧‧‧ wheel body

33‧‧‧Guided orbit

4‧‧‧ Lifting and adjusting device

41‧‧‧ Lifting seat

5‧‧‧Circuit device

51‧‧‧ coil holder

6‧‧‧Electromagnetic control device

61‧‧‧temperature sensor

62‧‧‧Power supply

63‧‧‧ Temperature Controller

7‧‧‧Cooling device

71‧‧‧Water tank

8‧‧‧Central control unit

Claims (6)

An electromagnetic hyperthermia system, which is suitable for inducing magnetic heating of a thermotherapy needle, and comprising: a machine platform comprising a machine body, and a guiding track mounted on the machine body with an upper and lower extension; a lifting and adjusting device And comprising two lifters respectively mounted on the guide rail by the drive up and down, and two lifters respectively mounted on the lift seats and respectively capable of driving the respective lift seats to be displaced up and down along the guide rail, and The two coil devices are respectively mounted on the elevators; the two coil devices are respectively mounted on the converters, and can be respectively driven by the converters to rotate and change the horizontal angle; and an electromagnetic control device is installed on the machine The stage body is electrically connected to the coil devices, and is electrically energized to drive the coil devices to generate a magnetic field change. The electromagnetic thermotherapy system of claim 1, wherein the electromagnetic control device comprises a temperature sensor for sensing the temperature of the thermal therapy needle and correspondingly outputting a temperature signal, and a driving can be changed to apply to An AC power supply of the coil device, and a temperature controller connected to the temperature sensor and the power supply, and the temperature controller can modulate the power supply according to the temperature signal change The size and/or frequency of the output AC. The electromagnetic thermotherapy system according to claim 1, wherein each coil device comprises a coil holder mounted on each of the transducers and respectively driven by the transducer to change its horizontal angle, and one can be driven Rotatingly A coil mounted to the coil base and drivable by the electromagnetic control device to generate a change in magnetic field. The electromagnetic thermotherapy system of claim 3, further comprising a cooling device mounted on the main body of the machine, the cooling device comprising a water tank mounted on the main body of the machine and containing a cooling liquid, and a connected assembly The water pump of the water tank is hollow tubular, and is connected to the water tank by one end of the water tank, and is connected to the water pump by the other end of the water tank, and the water pump can pump the coolant in the water tank separately. In the coils, the coils can respectively drain the coolant pumped into the water tank. The electromagnetic hyperthermia system of claim 1 further comprising a body mounted to the machine body for controlling the elevators, the controllers and the central control device of the electromagnetic control device. The electromagnetic hyperthermia system of claim 1, wherein the machine further comprises a plurality of wheel bodies respectively mounted under the machine body.