TW201618727A - Electromagnetic thermal ablation and excitation devices - Google Patents

Abstract

An electromagnetic thermal ablation and excitation devices, includes a carrying unit, a suspension arm unit, an excitation device mounted on the suspension arm unit and a control unit. Said excitation unit includes an electromagnetic permeable portion, and a coil unit disposed on said electromagnetic permeable portion. The design allows the suspension arm unit to move freely hence carrying the excitation unit to desired treatment locations.

Description

Electromagnetic hyperthermia system and excitation device

The invention relates to an electromagnetic thermotherapy device, in particular to an electromagnetic hyperthermia system and an excitation device.

Existing tumor treatment methods include microwave hyperthermia, radiofrequency ablation hyperthermia, etc., in order to cause local tumor tissue necrosis, thereby achieving the purpose of tumor treatment. However, the cost of traditional cancer treatment is high, and even the patient suffers from great pain, making it difficult for most patients to receive cancer treatment.

With the improvement of medical level today, 磁 developed another magnetocaloric tumor ablation technique suitable for tumor treatment, which mainly uses an alternating magnetic field to act on a magnetic susceptor to convert the susceptor to eddy current and convert it into heat. Ablation of tumor tissue can significantly reduce treatment costs and patient suffering. However, how to control the electromagnetic field is the key to determine the quality of treatment, so it still depends on the continuous improvement of research and development technology.

FIG. 1 shows a conventional electromagnetic thermotherapy apparatus, which mainly comprises a machine table 11, an electromagnetic control device 12 mounted on the machine table 11, a coil 13 electrically connected to the electromagnetic control device 12, and an installation. And the cooling water circulation device 14 connected to the electromagnetic control device 12, and an electrical connection between the electromagnetic control device 12 and the cooling water circulation device 14 Control device 15. In the case of shallow electromagnetic hyperthermia, the coil 13 is placed on the patient's body, and a high-frequency magnetic field generated by a magnetically sensitive needle (not shown) passing through the single coil 13 is used to induce the sense. The magnetic needle is magnetically heated to ablate the tumor tissue. If deep electromagnetic heating therapy is to be carried out, two electromagnetic thermotherapy devices are required, and the coils 13 of the two electromagnetic thermotherapy devices are respectively placed above and below the patient to be treated, through the The electromagnetic control device 12 is energized to drive the coils 13 to generate a high frequency magnetic field, thereby inducing the magnetic sensitive heat of the magnetic sensitive needle and enabling ablation of the deep tumor tissue.

However, the current positioning structure of the coil 13 of the electromagnetic thermotherapy device 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 coil 13 and the sense cannot be accurately controlled. The spacing between the magnetic needles makes it difficult to adjust the position of the coil 13 and the magnetic field of the opposing magnetic needle according to the treatment demand.

In addition, the current electromagnetic thermotherapy equipment requires the use of a cooling water circulation device 14, which is bulky and inconvenient to push. In addition, the current electromagnetic heat treatment equipment has many wires and water pipes, which may hinder the convenience of the treatment. Furthermore, when the coils 13 of the two electromagnetic thermotherapy devices are simultaneously applied for treatment, the magnetic field is not easily matched.

Accordingly, it is an object of the present invention to provide an excitation device that produces a concentrated and deep magnetic field.

Another object of the present invention is to provide an electromagnetic hyperthermia system which can automatically and accurately control the position and angle of the excitation device and can generate a concentrated and deep magnetic field to improve the therapeutic effect.

Thus, the excitation device of the present invention is applied to an electromagnetic thermal therapy system. The excitation device includes an insulative housing, a magnetism collecting unit, and at least one coil unit. The collecting unit is disposed in the insulating housing, and the collecting unit has at least one magnetic sensing end. The coil unit is wound around the magnetic sensitive end of the magnetic collecting unit. The coil unit has two electrical connecting portions, and the coil unit is capable of generating an alternating magnetic field by electrically connecting an alternating current power source.

In another aspect, the electromagnetic thermotherapy system comprises a carrying unit, a A universal rotating unit, a cantilever unit, an excitation device, and a control unit. The carrying unit comprises a body and a plurality of rollers disposed at the bottom of the body. The universal rotating unit is pivotally mounted on the carrying unit and is rotatable at multiple angles relative to the carrying unit. One end of the cantilever unit is pivotally connected to the universal rotating unit. The excitation device is connected to the other end of the cantilever unit, and the excitation device comprises a collecting unit and at least one coil unit, the collecting unit has at least one magnetic sensing end, and the coil unit is disposed around the collecting unit In the magnetic sensing end, the coil unit has two power receiving portions, and the coil unit is capable of generating an alternating magnetic field by electrically connecting an alternating current power source to the power receiving portions. The control unit is disposed on the carrying unit, and can be configured to control the rotation of the universal rotating unit and interlock the driving of the exciting device.

The effect of the invention is to control the universal direction by the control unit Rotating the unit to rotate, and interlocking the cantilever unit to drive the excitation device to the set position, and the two electrical parts of the coil unit are electrically connected to the alternating current power source to generate a concentrated and deep magnetic field, which can be performed when used with a therapeutic aid. Deeper ablation procedures can improve the treatment.

2‧‧‧Magnetic device

21‧‧‧Insulated housing

211‧‧‧ half shell

22‧‧‧Gear unit

221‧‧‧ magnetic end

23‧‧‧ coil unit

231‧‧‧Power Department

3‧‧‧AC power supply

4‧‧‧ Carrying unit

41‧‧‧Ontology

42, 43‧‧‧ Wheels

5‧‧‧ universal rotating unit

6‧‧‧cantilever unit

61‧‧‧ cantilever

62‧‧‧ Connecting rod

63‧‧‧Rotary axis

7‧‧‧Control unit

8‧‧‧Input interface

9‧‧‧Gathering magnetic positioning unit

91‧‧‧Retaining frame

92‧‧‧ base

93‧‧‧Opening

Other features and effects of the present invention will be apparent from the embodiments of the present invention, wherein: FIG. 1 is a schematic diagram illustrating a conventional electromagnetic thermotherapy apparatus; FIG. 2 is a partial cross-sectional view illustrating the present invention. FIG. 3 is a partial cross-sectional view showing a second embodiment of the excitation device of the present invention; and FIG. 4 is a side elevational view showing the first embodiment of the electromagnetic hyperthermia system of the present invention; FIG. It is a side view of another angle, which is a supplementary explanation of FIG. 4; and FIG. 6 is a schematic view showing a second embodiment of the electromagnetic thermotherapy system of the present invention.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 2, a first embodiment of the excitation device 2 of the present invention includes an insulative housing 21, a magnetism collecting unit 22, and a coil unit 23.

The insulative housing 21 is made of a material that is non-magnetic, non-magnetic, and resistant to high temperatures, and the insulative housing 21 has two halves 211 (only one of which is shown by view angle), the half shells The 211 can be detachably coupled to each other in a snap-fit manner.

The collecting unit 22 is made of a highly magnetic single crystal material, a polycrystalline material or an iron-based material, and has an L-shaped body and has a magnetic sensing end 221, and the collecting unit 22 is disposed on the insulating layer. Inside the housing 21.

The coil unit 23 is magnetically wound around the collecting unit 22 On the end 221, the coil unit 23 has two power receiving portions 231. Specifically, the winding unit 23 is wound in a layer of tight winding, uniform winding, multiple layers of winding, arbitrary winding, integral winding, complete winding, positioning winding or winding.

2, in use, the excitation device 2 is applied An electromagnetic thermotherapy system can generate a concentrated deep magnetic field by electrically connecting the power receiving portions 231 of the coil unit 23 to an AC power source 3, thereby bringing the excitation device 2 close to or placed on the surface skin of the human body. A pair of therapeutic aids (such as a magnetic sensitive needle) is inserted through the deep magnetic field and penetrated into the human body. Under the action of a deep magnetic field, when the end of the therapeutic aid contacts the patient's lesion end, an eddy current is generated. The heat is generated, and the deep lesions of the human body can be thermally ablated, thereby improving the therapeutic effect.

Referring to FIG. 3, a second embodiment of the excitation device 2 of the present invention is shown. This embodiment is substantially the same as the first embodiment. The difference is that the magnetism collecting unit 22 has a C-shaped body shape, but is not limited thereto, and may be, for example, a ㄇ-shaped body or a U-shaped body. The magnetism collecting unit 22 has two magnetic sensing ends 221, and the magnetic sensing ends 221 are spaced apart from each other. In addition, the excitation device 2 includes two coil units 23, which are respectively disposed on the magnetic terminals 221 of the magnetism unit 22, and the coil units 23 respectively have two power receiving portions 231 for respectively electrically connected in parallel. Connect an AC power source 3.

In use, the coil unit 23 is electrically connected The portion 231 is electrically connected to an AC power source 3, and the AC power sources 3 are in phase, so that after being energized, a concentrated one can be generated between the magnetic terminals 221 a deep magnetic field, whereby the excitation device 2 is placed close to or placed on the surface skin of the human body, and one end of the therapeutic aid (such as a magnetic sensitive needle) penetrates through the deep magnetic field and penetrates into the human body, under the action of a deep magnetic field, when When the end of the therapeutic aid contacts the patient's lesion end, it also generates an eddy current to generate fever energy, so it can also perform thermal ablation of deep human lesions, which can improve the therapeutic effect.

Referring to Figures 4 and 5, the first embodiment of the electromagnetic thermotherapy system of the present invention The embodiment comprises a carrying unit 4, a universal rotating unit 5, a cantilever unit 6, an excitation device 2, and a control unit 7. The carrying unit 4 includes a body 41 and a plurality of rollers 42 and 43 disposed at the bottom of the body 41. The universal rotating unit 5 is pivotally mounted on the carrying unit 4 and can be rotated by 0-360 degrees with respect to the carrying unit 4. The cantilever unit 6 includes two cantilevers 61 (only one shown for viewing angle relationship), a connecting rod 62 connected to one end of the cantilever 61, and a rotating shaft 63 rotatably pivoted on the connecting rod 62. The other ends of the cantilevers 61 are coaxially pivoted to both sides of the universal rotating unit 5, so that the cantilevers 61 can rotate relative to the universal rotating unit 5. Further, the rotating shaft 63 is pivotally connected to the exciting device 2, and the exciting device 2 is rotatable relative to the rotating shaft 63. Therefore, the excitation device 2 can perform multi-angle rotation under the driving of the cantilever 61 of the cantilever unit 6 and the rotating shaft 63 and the universal rotating unit 5, and the rotation of the cantilever unit 6 and the universal rotating unit 5 The angle is controlled by the control unit 7. As for the excitation device 2, the configuration described in the first embodiment or the second embodiment can be adopted. In the present embodiment, the description will be made on the second embodiment of the excitation device 2. In addition, the control unit 7 can be disposed inside or outside the carrying unit 4, which is described in the foregoing embodiment, and the control unit 7 Electrically connected to each unit.

Furthermore, the electromagnetic hyperthermia system also includes a human input system The control command transmits the signal to the input unit 8 of the control unit 7 in a wired or wireless manner, which is described in a wired manner in this embodiment. The control unit 7 can control the rotation of the universal rotating unit 5 by inputting a control command through the input interface 8, and interlocking the cantilever unit 6 to drive the excitation device 2 to be displaced. It is to be noted that the power receiving portions 231 of the coil unit 23 of the excitation device 2 can be electrically connected to the control unit 7 through a line, and the required electric power can be introduced to generate an alternating magnetic field.

The electromagnetic thermotherapy system of the invention can be matched with a magnetic sensitive needle (not shown) It is applied to magnetocaloric ablation. In use, the user can input a control command through the input interface 8, so that the control unit 7 can control the rotation of the universal rotating unit 5 and simultaneously rotate the cantilever unit 6 to a specified angle to synchronously drive the displacement of the excitation device 2. Up to the proper position and maintaining the set angle, and the two magnetic sensing ends 221 of the excitation device 2 are respectively located above and below the affected part of the human body, and the coil unit 23 of the excitation device 2 introduces the required power via the control unit 7 A concentrated deep magnetic field is generated, and one end of the therapeutic aid (such as a magnetic sensitive needle) is inserted through the deep magnetic field and penetrated into the human body. Under the action of the deep magnetic field, an eddy current is generated at the end of the therapeutic aid to generate heat. Yes, this can be a thermal ablation of deep human lesions. The structure design can further enhance the strength and depth of the magnetic field in use, and can improve the treatment temperature and the magnetic depth of the therapeutic aid when the excitation device 2 is passed, thereby achieving a deeper and faster therapeutic effect.

Referring to Figure 6, a second implementation of the electromagnetic hyperthermia system of the present invention For example, the first embodiment differs from the first embodiment of the electromagnetic thermotherapy system only in that the embodiment further includes an auxiliary magnetism collecting unit 9 including an end of the insulating housing 21 disposed on the excitation device 2. The fixing frame 91 and a base body 92 which is disposed on the fixing frame 91 and is made of a magnetic conductive material, and an opening 93 is formed in the base body 92. By the arrangement of the auxiliary magnetic collecting unit 9, the depth of the deep magnetic field and the strength of the reinforcing magnetic field can be further extended, so that the therapeutic aid can penetrate deeper the lesion of the human body through the excitation device 2, and the therapeutic effect can be effectively improved.

In summary, the electromagnetic thermotherapy system of the present invention and its excitation device 2 With the above-mentioned structural design, the control unit 7 can control the universal rotating unit 5 and the cantilever unit 6 to rotate the displacement of the excitation device 2 to an appropriate position by simply inputting a control command through the input interface 8. The concentrated deep magnetic field generated by the excitation device 2 enables a therapeutic aid (such as a magnetic sensitive needle) to pass through the deep magnetic field and penetrate into the human body to generate heat energy under the action of a deep magnetic field, thereby performing deep-rooted lesions on the human body. Thermal ablation can effectively improve the treatment effect. In addition, by adding the auxiliary magnetic focusing unit 9, the depth of the deep magnetic field and the strength of the strengthening magnetic field can be extended, so that the therapeutic temperature and the magnetic depth of the therapeutic aid can be increased when the therapeutic device passes through the excitation device 2, and the treatment is improved. The effect is more remarkable and the overall ease of use is excellent. Therefore, the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

2‧‧‧Magnetic device

21‧‧‧Insulated housing

22‧‧‧Gear unit

221‧‧‧ magnetic end

23‧‧‧ coil unit

231‧‧‧Power Department

3‧‧‧AC power supply

Claims (14)

An excitation device is applied to an electromagnetic thermotherapy system, the excitation device includes: a magnetic focusing unit having at least one magnetic sensing end; and at least one coil unit wound around the magnetic sensing end of the magnetic collecting unit, The coil unit has two power receiving portions, and the coil unit is capable of generating an alternating magnetic field by electrically connecting an alternating current power source to the power receiving portions. The excitation device according to claim 1, wherein the magnetism collecting unit is made of a highly magnetic single crystal material, a polycrystalline material or an iron-based material, and the magnetism collecting unit has an L-shaped body shape. The excitation device of claim 1, wherein the magnetic focusing unit has two magnetic sensing ends, and the magnetic sensing ends are spaced apart, and the magnetic sensing ends respectively diffract a coil unit, wherein each coil unit is The second power supply unit is electrically connected to an alternating current power source to generate an alternating magnetic field between the magnetically sensitive ends. The excitation device according to claim 3, wherein the magnetism collecting unit is made of a highly magnetic single crystal material, a polycrystalline material or an iron-based material, and the collecting unit is C-shaped or ㄇ Shaped, or U-shaped. The excitation device according to any one of claims 1 to 4, wherein the winding unit is wound in a layer of a tight winding, an equal winding, a multi-layer winding, an arbitrary winding, a full-row winding, and a complete winding. Position the winding or wrap it around. The excitation device according to claim 1 or 4, further comprising an insulating case coated on the outside of the collecting unit, the insulating case being made of a material that is non-magnetic, non-screening and resistant to high temperature. And the insulating housing has two half shells which can be detachably combined with each other to be integrated. An electromagnetic heat therapy system comprising: a carrying unit comprising a body and a plurality of rollers disposed at a bottom of the body; a universal rotating unit pivotally mounted on the carrying unit and capable of rotating at a plurality of angles relative to the carrying unit; a cantilever unit, one end of which is pivotally connected to the universal rotating unit; an excitation device connected to the other end of the cantilever unit, and the excitation device comprises a collecting unit and at least one coil unit, the collecting unit having at least one a magnetic sensing end, the coil unit is disposed on the magnetic sensing end of the magnetic collecting unit, the coil unit has two electrical connecting portions, and the coil unit is electrically connected to the alternating current power source by the electrical connecting portions An alternating magnetic field; and a control unit disposed on the carrying unit, configured to control the rotation of the universal rotating unit and interlocking the cantilever unit to drive the exciting device to be displaced. The electromagnetic hyperthermia system according to claim 7, wherein the magnetism collecting unit is made of a highly magnetic single crystal material, a polycrystalline material or an iron-based material, and has an L-shaped body shape. The excitation device of claim 7, wherein the magnetic focusing unit has two magnetic sensing ends, and the magnetic sensing ends are spaced apart, and the magnetic sensing ends respectively diffract a coil unit, wherein each coil unit is The second power supply unit is electrically connected to an alternating current power source to generate an alternating magnetic field between the magnetically sensitive ends. The electromagnetic hyperthermia system of claim 9, wherein the concentrating unit is made of a highly magnetic single crystal material, a polycrystalline material or an iron-based material, and It is C-shaped, or scorpion-shaped, or U-shaped. The electromagnetic hyperthermia system according to any one of claims 7 to 10, wherein the coil unit is wound in a layer of tight winding, equal winding, multi-layer winding, arbitrary winding, integral winding, complete alignment Winding, positioning winding or winding. The electromagnetic hyperthermia system of claim 11, further comprising an input unit capable of inputting a control command and transmitting the signal to the control unit by wire or wirelessly, so that the control unit can control the rotation of the universal rotating unit And the cantilever unit drives the displacement of the excitation device. The electromagnetic hyperthermia system of claim 12, further comprising an insulating case coated on the outside of the collecting unit, the insulating case being made of a material that is non-magnetic, non-magnetic, and resistant to high temperatures. And the insulating housing has two half shells which can be detachably combined with each other to be integrated. The electromagnetic hyperthermia system of claim 13, further comprising an auxiliary magnetism collecting unit, wherein the auxiliary magnetism collecting unit comprises a fixing frame disposed at one end of the insulating housing of the excitation device, and a fixing frame is disposed on the fixing frame A substrate made of a magnetically permeable material, the substrate having an opening formed therein.