CN115463028A - Fixed-point heat-insulation moxibustion needle and electromagnetic induction type moxibustion needle heating device - Google Patents

Abstract

The invention discloses a fixed-point heat-insulating moxibustion needle and an electromagnetic induction type moxibustion needle heating device. The invention creates a smokeless heating environment by an electromagnetic induction heating mode, effectively overcomes the defects of the prior art, and is safe, reliable and easy to operate.

Description

Fixed-point heat-insulation moxibustion needle and electromagnetic induction type moxibustion needle heating device

Technical Field

The invention belongs to the technical field of medical appliance manufacturing, and particularly relates to a fixed-point heat-insulation moxibustion needle and an electromagnetic induction type moxibustion needle heating device.

Background

Hot moxibustion is commonly used in clinical practice of traditional Chinese medicine, and is used for treating damp-cold diseases caused by qi and blood obstruction by heating a moxibustion needle and needling the acupuncture needle. The acupuncture and moxibustion heating can be used for treating painful diseases caused by wind cold, cold dampness and blood stasis, and can also be used for treating cervical spondylosis, lumbago and skelalgia, shoulder arthritis and rheumatoid arthritis immune diseases of joints.

The existing thermal moxibustion therapy uses the traditional moxa stick needle tail heating technology, burns the moxa stick, and utilizes the heat of the moxa stick to transfer the needle tip for heating. The defects of the heating mode are as follows: the temperature range is not easy to control in the heating process of treatment, the heating effect is limited, and more seriously, the skin tissue of a patient is scalded due to the high temperature of moxibustion in the heating process; in addition, the moxa roll produced is strong in smoke, irritating to medical staff and patients, and causing chronic inflammation and injury of the respiratory tract in the long run.

In the existing heating method for heating the tip of a moxibustion needle, such as chinese patent publication No. CN112076084 a, electric heating is used, and an electric heating wire is disposed inside a needle tube of the heating method and is used to heat the needle tube by being energized. Also, as the Chinese patent publication No. CN 112494322A, it adopts a hollow structure, a built-in metal wire is used for heating the outside of the hollow structure, and the mode has higher requirements on the processing technology of the needle, increases the cost and is not suitable for disposable sanitary safety requirements in medical treatment; and as the Chinese patent publication No. CN 211188262U, the built-in eddy heating is adopted, a coil is wound in the tail part of the needle handle, and the eddy heating is carried out, and the heating mode causes inconvenience for the operation of medical personnel because the needle handle is connected with a lead wire, so that the operation is hindered.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a fixed-point heat-insulation moxibustion needle which is convenient to operate, safe and reliable, and an electromagnetic induction type moxibustion needle heating device.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

the utility model provides a fixed point heat insulation moxibustion needle, includes syringe needle, needle handle, and syringe needle and needle handle integrated into one piece or syringe needle and needle handle can be dismantled and be connected, and needle handle and syringe needle all include core and surface coating, and surface coating coats in the outer wall of core, and needle handle surface coating is nanometer thermal insulation material, and syringe needle surface coating is nanometer heat conduction material.

Preferably, the needle end is conical or knife-shaped.

Preferably, the thickness of the surface coating of the needle handle is 10-30 μm.

Preferably, the thickness of the needle surface coating is 0.2-1.0 μm.

The invention also discloses an electromagnetic induction type moxibustion needle heating device which comprises the fixed-point heat-insulation moxibustion needle, an alternating magnetic field generating module and a magnetic field exciter, wherein the alternating magnetic field generating module is connected with the magnetic field exciter, the alternating magnetic field generating module is arranged corresponding to the position of the moxibustion needle, the magnetic field exciter excites the alternating magnetic field generating module to generate an alternating magnetic field around the moxibustion needle, induction current is generated in a core material of the moxibustion needle, and the moxibustion needle is heated by utilizing the heat effect of the induction current.

Preferably, the alternating magnetic field generating module comprises at least one pair of metal spiral line polar plates which are arranged in parallel, planar spiral line lead coils are arranged inside the two metal spiral line polar plates, the lead coils are electrically connected with the magnetic field exciter, and the magnetic field exciter generates a high-frequency alternating magnetic field between the two polar plates by controlling the current direction and the high-frequency periodic variation of the size of the metal spiral line polar plates.

Preferably, the alternating magnetic field generating module comprises at least a single metal helical line polar plate (called a unipolar plate for short), planar helical line lead coils are arranged inside the metal helical line polar plate, the lead coils are electrically connected with the magnetic field exciter, and the magnetic field exciter generates a high-frequency alternating magnetic field above the unipolar plate by controlling the current direction and the high-frequency periodic change of the metal helical line polar plate.

Preferably, the alternating magnetic field generating module comprises a cylindrical annular coil, and the end of the coil is electrically connected with the magnetic field exciter.

Preferably, the connection of the coil end of the alternating magnetic field generation module and the magnetic field exciter is a flexible connection and is electrically controlled by the flexible connection.

Preferably, the alternating magnetic field generating module is connected with a sliding block of the three-dimensional sliding table, and the sliding block slides to drive the coil or the coil pole plate to move in a three-dimensional space below the bed, so that the position of the moxibustion needle corresponds to the high-frequency alternating magnetic field.

Preferably, the coil is formed by combining one or several conductor turns. In the invention, the handle of the fixed-point heat-insulation moxibustion needle is a part except for the area of about 0.5cm of the needle head, and is coated with the nano heat-insulation coating, and the thickness of the coating is about 10-30 mu m, so that when the core material is heated, the surface temperature of the coating is close to the temperature of a human body, and the influence on the surface of the skin and subcutaneous tissues of the human body is avoided.

Preferably, the electromagnetic induction type acupuncture needle heating device further comprises an acupuncture needle height measuring module, and the acupuncture needle height measuring module consists of a red light generator and a red light imaging scale plate.

According to the invention, the needle head of the fixed-point heat-insulation moxibustion needle adopts stainless steel magnetic conductive substances and is coated with nano heat conductive materials, and alternating magnetic lines of force are cut in an alternating magnetic field to generate eddy current, so that the controllable heating of the needle head and a contacted focus part is realized.

The control principle of the magnetic field exciter is based on an extended Fourier heat conduction equation, energy is converted into heat energy, and an electromagnetic induction temperature field mathematical model is established.

The extended fourier thermal conductivity equation is:

the magnetic field exciter finds the relation between the power-on time and the temperature change based on the expanded Fourier heat conduction equation, and can carry out fixed-point temperature control on the moxibustion needle in the coil heating working space.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention carries out coating protection treatment on the acupuncture needle, is different from the traditional skin contact heating mode, and is coated with the nano heat insulation coating except the needle head, thereby realizing local precise heating of acupuncture points, isolating high temperature at non-acupuncture points, protecting skin and internal tissues, avoiding high-temperature burn, and ensuring that the acupuncture needle is not scalded in the process of applying and taking the acupuncture needle.

2. The moxibustion needle heating device is provided with an electromagnetic induction heating device, preferably a cylindrical solenoid metal heating coil for heating, a plane metal spiral wire polar plate for heating or a combination of the two modes, an alternating magnetic field is generated by an induction coil, and the moxibustion needle can be heated at a fixed point in a coil heating working space by utilizing the characteristics of the alternating magnetic field of opening and closing at any time and the changeable magnetic field.

3. The invention preferably selects the induction coil module of a cylindrical solenoid metal heating coil heating mode, a plane metal spiral line polar plate heating mode or a combination of the two modes, the cylindrical solenoid metal heating coil is fixed on a slide block which can move on a guide rail, and the plane metal spiral line polar plate is placed on two sides of a human body in parallel, namely, the two modes do not influence the operation of applying and taking a needle by a doctor, the operation difficulty of the doctor is reduced, and the use is convenient. Because of the freedom of movement, the heating working space of the coil is expanded to the whole body part.

4. The invention adopts an electromagnetic induction heating mode, is different from the existing heating mode of improving the internal structure of the acupuncture needle, has simple processing technology and low cost, and can carry out disposable disposal or recycling treatment.

5. The electromagnetic induction heating type moxibustion stick creates a smokeless heating environment through an electromagnetic induction heating mode, is different from the traditional moxa stick heating mode which can generate irritant smog, is not beneficial to observing the position of a moxibustion needle in the traditional mode, and can cause respiratory tract injury to medical staff and patients.

6. The electromagnetic heating coil is used for heating, acupuncture points of a plurality of acupuncture needles in a body can be heated at fixed points at the same time, the heating mode is effective, and the treatment efficiency is improved.

7. The invention finds the relation between the heating temperature and the electrifying time by utilizing the extended Fourier heat conduction equation, establishes an electromagnetic induction heating temperature field mathematical model and can effectively control the temperature heating range.

Drawings

FIG. 1 is a schematic view of the structure of a needle of the present invention;

FIG. 2 is a schematic diagram of the apparatus of the present invention;

FIG. 3 is a schematic perspective view of a single metal spiral plate heating method according to the present invention;

FIG. 4 is a perspective view of the heating method of the bimetallic spiral plate of the present invention;

FIG. 5 is a schematic side view of the heating of the bimetallic spiral plate of the present invention;

FIG. 6 is a perspective view of the cylindrical scroll coil heating method of the present invention;

FIG. 7 is a schematic side view of the cylindrical scroll coil heating method of the present invention.

In the figure: the acupuncture needle comprises a acupuncture needle-1, a needle handle tail-1-a, a nanometer thermal insulation coating-1-b outside a needle handle, a needle head-1-c, a high-power supply-2, an induction coil-3, an alternating magnetic field-4, a human body-5, a volute coil-6, a high-frequency power supply box-7, a control panel-8, a treatment bed-9, a measurement guide rail-9 a, an imaging scale plate-10, an infrared light source-11, a three-dimensional sliding table-12, an annular coil-13, a coil sliding block-14 and a coil guide rail-15.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of devices consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" includes two, and is equivalent to at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in FIG. 1, the fixed-point heat-insulating acupuncture needle 1 of the present embodiment comprises a needle head 1-c and a needle holder, which are integrally connected or detachably (movably) connected. The tail part 1-a of the needle handle is spiral, the needle handle and the needle head are both composed of a core material and a surface coating, the outer wall of the core material of the needle handle is coated with a nano heat insulation coating 1-b, and the thickness of the coating is about 10-30 mu m. The surface coating of the needle handle is a nanometer heat-insulating material. The purpose of the thermal barrier coating is that the surface temperature of the coating remains close to the temperature of the human body when the core material is heated.

The needle head surface coating is made of nanometer heat conducting material, and the thickness of the needle head surface coating is 0.2-1.0 μm. The end of the needle head 1-c is a needle point, the needle point is conical or knife-edge-shaped, and the needle head penetrates into the human body of a patient through the end, the length of the needle head 1-c is about 0.5cm, the needle head is made of stainless steel and other magnetic conductive materials, alternating magnetic lines of force can be cut, and eddy current is generated to heat the needle head. Specifically, the needle is not coated with the nano heat insulation coating, and because the needle is made of magnetic conductive materials (such as stainless steel), when the needle is placed in the induction coil and cuts the magnetic induction lines, the needle generates eddy currents to be heated, so that the needle is heated in an alternating magnetic field, the focus part in contact with the needle is controllably heated, and the acupuncture and moxibustion thermotherapy effect is achieved. And because the needle handle is coated with the 10-30 mu m thermal insulation coating, the coating can ensure that the temperature of the outer coating layer is close to the temperature of the human body even if the temperature of the coating reaches 70-80 ℃. In more detail, the needle handle coated with the nano heat insulation coating ensures that the surface coating of the needle handle is still close to the temperature of the human body even if the inner needle core is heated to a higher temperature, so that the moxibustion needle is heated to the thermal moxibustion treatment temperature only in the area section of about 0.5cm of the needle head, and other parts of the moxibustion needle are kept close to the temperature of the human body, thereby realizing the acupuncture point fixed-point thermotherapy, avoiding the burning and the damage of the skin and the internal tissues of the human body, also ensuring the operation safety of the needle application and the needle taking process, and ensuring that the device is safer and more reliable.

The electromagnetic induction type acupuncture needle heating device has various modes, including a cylindrical solenoid metal heating coil heating mode, a plane metal spiral line polar plate heating mode or a combination of the two modes.

As shown in fig. 3 and 4, each of the structures shows a heating mode of the flat metal spiral plate. As shown in fig. 3, the alternating magnetic field generating module includes at least a single metal spiral polar plate (unipolar plate for short) 6, the unipolar plate 6 is mounted on the three-dimensional sliding table 12, and is connected with the sliding block on the three-dimensional sliding table 12, and the unipolar plate 6 is driven by the sliding block to move in the three-dimensional space below the treatment bed 9, so that the position of the moxibustion needle corresponds to the high-frequency alternating magnetic field. The metal helix polar plate is internally provided with a planar helix lead coil which is electrically connected with the magnetic field exciter, and the magnetic field exciter generates a high-frequency alternating magnetic field above the unipolar plate by controlling the current direction and the high-frequency periodic change of the metal helix polar plate. As shown in fig. 4 and 5, the induction coil module comprises at least one pair of opposite planar metal spiral polar plates, the two polar plates are arranged oppositely in parallel from top to bottom, the distance between the two polar plates is equal to about 1.5 times of the shoulder width of a human body, planar spiral lead coils 6 are arranged inside the two metal spiral polar plates, lead parts of the spiral polar plates are electrically connected with a high-source power supply 2 of the magnetic field exciter, and the magnetic field exciter generates a high-frequency alternating magnetic field between the two polar plates by electrically controlling the current direction and the high-frequency periodic change of the size of the polar plates.

The patient body 5 is laid or attached on the treatment bed 9, and the moxibustion needle 1 is inserted into the corresponding acupuncture point of the patient body 5. A measuring guide rail 9a is arranged along the length direction of one side of the treatment bed, and an infrared light source 11 is arranged on the measuring guide rail 9 a; the other edge of the treatment couch 9 is provided with an imaging scale plate 10 along the length direction. The infrared light source 11 and the imaging scale plate 10 form a moxibustion needle height measuring module. For the heating mode of the unipolar plate, the distance between the handle of the moxibustion needle and the surface of the unipolar plate is measured by the height measuring module of the moxibustion needle to be used as the basis for calculating the heating temperature of the needle point of the moxibustion needle, and the spatial position of the unipolar plate is adjusted by the three-dimensional sliding table 12 positioned below the bed according to the calculation result so as to achieve the expected heating effect; for the bipolar plate heating mode, the two opposite planar metal spiral plate electrodes are located in the upper and lower spaces corresponding to the human body 5.

As shown in fig. 6 and 7, the heating structure of the cylindrical solenoid metal heating coil is shown, the induction coil module comprises a ring coil 13 and its installation components, the diameter of the ring coil 13 is equal to about 1.5 times of the shoulder width of the human body, the ring coil 13 is formed by combining one or several conductive wires, the end of the coil is connected to the high frequency power supply 2 of the magnetic field exciter, the connection of the end of the coil and the magnetic field exciter is soft, specifically, the end of the coil is connected with the magnetic field exciter through a soft wire and is controlled by the electric control of the magnetic field exciter, the coil turn combining part is a metal ring or a hard wire, or a hard conduit and a wire combination body attached to the metal ring or the hard conduit. The installation component also comprises at least a pair of parallel coil guide rails 15 and a slide block 11 which is arranged on the guide rails and can move in the guide rail direction, the pair of parallel coil guide rails 15 are installed on the two sides of the treatment bed 9 along the length direction of the bed body, and the coil guide rails 15 form a sliding chute along the length direction. The two sides of the coil 13 are respectively fixed on a coil slide block 14, the coil slide blocks 14 are in sliding fit with the sliding grooves of the coil guide rails 15 on the same side, the coil 13 can move along the length direction of the guide rail/bed body through the sliding of the coil slide blocks 14, the end parts of the coil are in flexible connection with the magnetic field exciter, specifically are soft leads, are connected with the magnetic field exciter and are electrically controlled by the magnetic field exciter, and therefore the coil can move freely on the guide rail. The acupuncture treatment site is adjusted by changing the position of the whole coil relative to the human body. The acupuncture needle 1 is inserted into the corresponding acupuncture point of the human body 5 of the patient, the annular coil 13 is sleeved outside the lying or lying attached patient, and the coil moves in the length direction of the human body of the patient without hindrance, so that the acupuncture point thermotherapy can be carried out on the whole body part of the patient in the heating working space of the coil.

The induction coil module can also be a combination of the cylindrical solenoid metal heating coil heating and a plane metal spiral line polar plate, and the circle of the plane metal spiral line polar plate ensures that a local fixed point moxibustion needle is continuously and uniformly heated, and has pertinence; the cylindrical solenoid metal heating coil ensures that acupuncture points in a larger range of the whole body can be heated and treated by the moxibustion needles in the coil, and has universality; in more detail, the two are combined together, and the treatment of local important acupuncture points and the treatment of more acupuncture points of the whole body are realized by combining the respective advantages.

Further, as shown in fig. 3 to 7, the magnetic field exciter is installed in the high frequency power box 7, the high frequency power 2 is installed in or externally connected to the magnetic field exciter, the high frequency power 2 of this embodiment is installed in the high frequency power box 7, and the magnetic field exciter is further provided with a control board capable of controlling and switching the magnitude and time of the current flowing through the coil of the high frequency power. When in use, the acupuncture needle and the patient are positioned in the high-frequency alternating magnetic field, and the magnetic field exciter is used for adjusting the excitation frequency and the intensity of the high-frequency alternating magnetic field. The magnetic field exciter also comprises a control panel 8 arranged on the surface of the box body, the control panel 8 is arranged on one side surface of the high-frequency power supply box 7, the control panel is a manual manipulator of the control panel, a display screen and a plurality of control buttons are also arranged on the control panel, the control buttons comprise function controls for opening, closing, sudden stop, gear position, duration and the like of the device, the function buttons for opening, closing, gear position, duration and the like ensure the normal functions of the device such as switching, treatment gear position, treatment temperature, treatment duration and the like to run, and the sudden stop button ensures that the device is emergently closed under the conditions of accident or misoperation and the like, thereby ensuring the safety and reliability of the device.

The invention is applied to local fixed-point precise heating, a high-frequency power supply outputs voltage, the relation between magnetic flux and voltage is found out under the measurement and calculation of Maxwell equation set, and then the control system is utilized to set temperature, duration and the like. The key of the control system lies in the relation between the temperature and the power-on time, which is derived from a Fourier heat conduction equation:

the induced current found joule density is:

in the formula q _v Joule heat density W/m generated by electromagnetic inductor ³

-conduction current density vector A/m ²

Sigma-conductivity S/m

The Fourier heat conduction equation is substituted to obtain:

k in the formula-material conductivity W/(m.k)

ρ _t Density of heat-conducting material kg/m ³

C _P-t -heat conduction material specific heat capacity KJ/(kg. K)

The theoretical derivation and the combination of a large number of clinical experiments show that the ideal temperature of the acupuncture needle thermotherapy is controlled between 30 ℃ and 40 ℃, and the control system combines a mathematical model to set corresponding time length so as to achieve the aim of controlling the temperature.

The working principle and the working process of the invention are as follows:

the invention relates to a fixed-point heat-insulating moxibustion needle and an electromagnetic induction type moxibustion needle heating device, wherein the fixed-point heat-insulating moxibustion needle can be heated in the electromagnetic induction heating device and comprises a needle head and a needle handle, the needle handle is coated with a nano heat-insulating coating, the needle head is made of magnetic conductive materials such as stainless steel with the thickness of about 0.5cm, and the coating ensures that the surface of the needle handle coated with the heat-insulating coating is still close to the temperature of a human body when the moxibustion needle is heated in a coil, and the needle head part acting on an acupuncture point continuously keeps heat output, so that the condition that a doctor and a patient are not scalded is ensured, and the safety is ensured. The electromagnetic induction type moxibustion needle heating device is preferably a cylindrical solenoid metal heating coil heating mode, a plane metal spiral line polar plate heating mode or a combination of the two modes, so that the device can be applied to treatment of whole body acupuncture points and treatment of local important acupuncture points of a patient, and has universality and pertinence. The magnetic field exciter also comprises a control panel arranged on the surface of the box body, the control panel is a manual operator of the control panel, the control panel is provided with a display screen and a plurality of control buttons, the control buttons comprise function controls for opening, closing, emergency stop, gear position, time length and the like of the device, the function buttons for opening, closing, gear position, time length and the like ensure the normal function operations of the device such as switch, treatment gear position, treatment temperature, treatment time length and the like, and the emergency stop button ensures the emergency closing operation of the device under the conditions of accidents or misoperation and the like, thereby ensuring the safety and reliability of the device.

When the heating device is used, for a cylindrical solenoid metal heating coil heating mode, the heating coil is installed on guide rails at two sides of a sickbed through sliding blocks and can move on the guide rails along the direction of a human body. The device is characterized in that the coil is moved to a non-acupuncture region at first, a patient is required to be carried without metal and lie or lie on the sickbed, a doctor performs acupuncture on the patient, then a magnetic field exciter switch is started, the temperature gear is adjusted, the time length is adjusted, various parameter information of the device can be checked and adjusted in real time from a display screen, and hot moxibustion at acupuncture points of the whole body is achieved. For the single plane metal spiral line pole plate mode, a patient needing no metal carrying lies or lies on the sickbed, a doctor carries out key local acupuncture point acupuncture on the patient, the distance from the tail end of a acupuncture needle handle to the plane of the pole plate is measured through the acupuncture needle height measuring module, the space position required by the pole plate is calculated according to the measuring result, the three-dimensional sliding table is adjusted, the acupuncture point is enabled to be under the heating working space preset by the coil, a switch of a control box is started, the temperature gear and the regulation and control duration are adjusted, various parameter information of the device can be checked and adjusted in real time from a display screen, and hot moxibustion at the acupuncture point of the key local acupuncture point is realized. The working process is the same for the heating mode combining the two.

The foregoing describes the principles, features and advantages of the present invention and those skilled in the art will appreciate that the above description is not intended to limit the present invention and that the above examples and description illustrate the principles and features of the present invention and that various modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a thermal-insulated moxibustion needle of fixed point, includes syringe needle, needle handle, and syringe needle and needle handle integrated into one piece or syringe needle and needle handle can dismantle and be connected its characterized in that: the needle handle and the needle head both comprise a core material and a surface coating, the surface coating is coated on the outer wall of the core material, the surface coating of the needle handle is a nano heat insulation material, and the surface coating of the needle head is a nano heat conduction material.

2. The fixed-point insulated moxibustion needle according to claim 1, wherein the tip of the needle head is shaped like a cone or a knife.

3. The fixed-point thermal insulating moxibustion needle according to claim 1, wherein the thickness of the surface coating of the needle shaft is 10 to 30 μm; and/or the thickness of the needle surface coating is 0.2-1.0 μm.

4. An electromagnetic induction type heating apparatus for a moxibustion needle, comprising the fixed-point heat-insulating moxibustion needle according to any one of claims 1 to 3, an alternating magnetic field generation module connected to the magnetic field exciter, and a magnetic field exciter disposed at a position corresponding to the position of the moxibustion needle, wherein the magnetic field exciter excites the alternating magnetic field generation module to generate an alternating magnetic field around the moxibustion needle, and an induced current is generated in a core material of the moxibustion needle, thereby heating the moxibustion needle by utilizing a thermal effect of the induced current.

5. The electromagnetic induction type heating apparatus for acupuncture needles as claimed in claim 4, wherein the alternating magnetic field generating module comprises at least a single metal spiral plate or a pair of metal spiral plates disposed in parallel, each metal spiral plate has a planar spiral wire coil disposed therein, the wire coil is electrically connected to said magnetic field exciter, and the magnetic field exciter generates a high-frequency alternating magnetic field above the single-pole plate or between the two plates by controlling the current direction and magnitude of the metal spiral plate to change periodically at high frequency.

6. The electromagnetic induction type needle heating apparatus as claimed in claim 4, wherein the alternating magnetic field generating module comprises a cylindrical annular coil, and an end of the coil is electrically connected to the magnetic field exciter.

7. The electromagnetic induction type needle heating apparatus as claimed in claim 5, wherein the coil end of the alternating magnetic field generating module is connected to the magnetic field exciter in a flexible manner and is electrically controlled.

8. The electromagnetic induction type heating device for moxibustion needles as claimed in claim 7, wherein a three-dimensional sliding table is provided, the alternating magnetic field generating module is connected with a slider of the three-dimensional sliding table, and the coil or the coil plate is slidingly driven by the slider to move in the three-dimensional space under the bed, so that the position of the moxibustion needle corresponds to the high-frequency alternating magnetic field.

9. The electromagnetic induction type needle heating apparatus as claimed in any one of claims 5 to 8, wherein the coil is formed by combining one or more conductive wires.

10. The electromagnetic induction type needle heating device according to any one of claims 4 to 8, further comprising a needle height measuring module, wherein the needle height measuring module comprises a red light generator and a red light imaging scale plate.

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