CN114870267A - Oral cavity millimeter wave therapeutic instrument - Google Patents
Oral cavity millimeter wave therapeutic instrument Download PDFInfo
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- CN114870267A CN114870267A CN202210722862.XA CN202210722862A CN114870267A CN 114870267 A CN114870267 A CN 114870267A CN 202210722862 A CN202210722862 A CN 202210722862A CN 114870267 A CN114870267 A CN 114870267A
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- 230000001105 regulatory effect Effects 0.000 claims 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/02—Radiation therapy using microwaves
- A61N5/022—Apparatus adapted for a specific treatment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
The invention discloses an oral millimeter wave therapeutic apparatus, which comprises a host, an antenna mechanism connected with the host on the same axis and a handheld mechanism connected with the host, wherein the axis of the handheld mechanism is vertical to the axis direction of the host, the antenna mechanism comprises a circular waveguide, a millimeter wave antenna and an antenna protective cover, the host comprises a millimeter wave source and a waveform conversion attenuation device, the waveform conversion attenuation device comprises an attenuation unit and a waveform conversion unit which are integrated into a device, the attenuation unit is connected with the millimeter wave source through a flange, and the attenuation unit is suitable for attenuating the millimeter wave power emitted by the millimeter wave source to a target value; the waveform transformation unit is connected with the circular waveguide and is suitable for transforming the field pattern of the millimeter wave after power attenuation from TE10 wave in the rectangular waveguide into circularly polarized wave in the circular waveguide so as to provide the millimeter wave antenna with required millimeter wave output power. The oral cavity millimeter wave therapeutic apparatus can go deep into the oral cavity to perform accurate irradiation, and can ensure a larger millimeter wave energy adjusting range.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an oral cavity millimeter wave therapeutic apparatus.
Background
The millimeter waves can penetrate through the epidermis of the living being to act on deep tissues and can resonate with biological macromolecules such as proteins and RNA (ribonucleic acid) to influence and regulate the process of life activities. The millimeter wave therapeutic apparatus induces a series of biological effects, such as promotion of metabolism and blood circulation, sterilization, etc., by resonance generated by specific oscillation frequency and human cells.
Oral millimeter wave treatment devices need to be hand-held and capable of localized treatment of each tooth. The diameter (effective radiating area) of which is as small as possible while covering a single tooth, the hand-held portion cannot touch the patient's face when the antenna is inserted into the mouth. Due to the directivity of the horn antenna, the field distribution of the antenna aperture surface is not uniform, so that the effect of the millimeter waves with different field strengths acting on a specific part is different. Chinese patent No. CN205235181U in the prior art discloses a millimeter wave oral cavity irradiator, which includes a waveguide cavity, an antenna connected with the waveguide cavity, a feedthrough capacitor and a body effect tube arranged in the waveguide cavity, the antenna is a scale antenna, scales are uniformly arranged on the scale antenna, the scale antenna is detachably connected with the waveguide cavity, and the millimeter wave oral cavity irradiator further includes a waveguide handle connected with one end of the waveguide cavity. Although the oral cavity illuminator meets the treatment requirement of the oral cavity part in terms of volume and structure, the structure of an antenna protective cover and a waveguide cavity is not improved, and the impedance matching of an antenna at a medium interface cannot be guaranteed.
Therefore, an oral millimeter wave therapeutic apparatus is needed, which can perform targeted effective treatment on oral parts, and can ensure the reliability and stability of the transmitted wave intensity while reducing the diameter and the volume and meeting the requirements of handheld treatment so as to solve the technical problems existing in the prior art.
Disclosure of Invention
In view of the above problems, in order to adapt to the complex structure of the oral cavity, an oral cavity millimeter wave therapeutic apparatus is provided, which can ensure the impedance matching between the antenna and the protective medium and the millimeter wave energy adjusting range while reducing the volume and diameter of the apparatus.
According to one aspect of the invention, an oral millimeter wave therapeutic apparatus is provided, which comprises a host machine, an antenna mechanism connected with the host machine on the same axis, and a handheld mechanism connected with the host machine, wherein the axis of the handheld mechanism is vertical to the axis direction of the host machine and the antenna mechanism, the antenna mechanism comprises a circular waveguide, a millimeter wave antenna and an antenna protective cover, the host machine comprises a millimeter wave source and a waveform conversion attenuation device, the waveform conversion attenuation device comprises an attenuation unit and a waveform conversion unit which are integrated into a whole, the attenuation unit is connected with the millimeter wave source through a flange, and the attenuation unit is suitable for attenuating the millimeter wave power emitted by the millimeter wave source to a target value; the waveform transformation unit is connected with the circular waveguide and is suitable for transforming the field pattern of the millimeter wave after power attenuation from TE10 wave in the rectangular waveguide into circularly polarized wave in the circular waveguide so as to provide the millimeter wave antenna with required millimeter wave output power.
The oral cavity millimeter wave therapeutic instrument in this scheme is small and exquisite light, can hand the use, can be directed against the characteristics in the oral cavity, and direct action is at focus positions such as tooth, gum, and accurate controllable treatment that reaches. Aiming at the technical problems of mismatching of the impedance of an antenna and a protective medium, large volume of a waveform conversion attenuation device and the like in the existing millimeter wave therapeutic apparatus, the volume of the device can be greatly reduced by integrating a waveform conversion unit and an attenuation sheet into one device, parameters such as the shape, the thickness and the like of an antenna protective cover and the waveform conversion unit are optimized by matching through numerical simulation, and the millimeter wave power attenuation can be ensured to have a large adjusting range under the condition of not changing a power source; the energy loss of millimeter waves can be reduced while the antenna is protected, and the long-term stable work of the millimeter wave antenna is facilitated.
Optionally, the shape, size, position of the millimeter wave attenuation medium of the attenuation unit and the internal shape of the waveform transformation unit are determined when the field pattern, return loss, insertion loss, voltage standing wave ratio, and S parameter of the waveform transformation attenuation device meet the impedance matching requirements in the simulation process.
Optionally, the waveform transformation attenuation device further includes a positioning rod, an adjusting nut and a limiting spring, the positioning rod is connected to the attenuation unit, and the adjusting nut and the limiting spring adjust the position of the attenuation unit through the positioning rod so as to adjust the power attenuation amount of the millimeter waves, so that the power of the millimeter waves is attenuated to a target value.
According to the scheme, the wave mode conversion unit and the adjustable attenuation unit are combined into one device, so that the number of parts is reduced, and the requirements on the performance and the volume of the instrument are met. The large attenuation quantity adjusting capacity is kept under the condition of not changing a power source, so that the volume of the waveform conversion attenuation device is reduced from 13cm in length, 2cm in width, 8cm in height to 4.5cm in length, 2cm in width, 2cm in height and 2cm in height, and the attenuation quantity adjusting range reaches 0.5-10 dB.
Optionally, the millimeter wave antenna is a conical horn antenna, the antenna protection cover is made of polytetrafluoroethylene materials, the millimeter wave antenna and the waveguide are made of brass plating materials, and the antenna protection cover completely covers the millimeter wave antenna and the antenna waveguide.
Optionally, an assembly step is arranged between the antenna protection cover and the millimeter wave antenna, the assembly step is used for fixing the relative position between the antenna protection cover and the millimeter wave antenna, the relative position between the antenna protection cover and the millimeter wave antenna is determined according to the field distribution radiated by the millimeter wave antenna, the shape of the antenna protection cover is determined according to the directional diagram of the millimeter wave antenna, and the thickness of the antenna protection cover is determined according to the characteristic impedance matching degree between the millimeter wave antenna and the antenna protection cover in the numerical simulation process.
Through carrying out the matching adjustment to shape, thickness, position etc. of antenna protection cover, can avoid reflection and the energy loss of millimeter wave, guarantee antenna transmitting power to reach effectual treatment.
Optionally, in the process of numerical simulation, when the waveform reflection loss amount of the millimeter wave antenna passing through the antenna protection cover is smaller than the preset loss amount, the shape and the thickness of the antenna protection cover conform to the characteristic impedance matching of the millimeter wave at the dielectric interface on the propagation path.
Optionally, the host further includes a housing, a power supply interface, and a heat dissipation module, where the power supply interface is adapted to provide a stable operating voltage for the millimeter wave source through an external dc voltage stabilizing circuit. The radiating module is suitable for reducing the working temperature of the therapeutic apparatus, and the damage of the millimeter wave therapeutic apparatus to the apparatus caused by the temperature rise due to the long-time work is avoided.
The oral cavity millimeter wave therapeutic apparatus provided by the scheme has a compact structure, is convenient to use by hand, and can ensure reliable transmitted wave power while reducing the size. Specifically, the wave mode conversion structure and the adjustable attenuation unit are combined into one component, so that the volume is greatly reduced, the larger attenuation adjusting capacity is kept, the volume of the wave mode conversion attenuation device is greatly reduced, and the attenuation adjusting range reaches 0.5-10 dB. The instrument antenna mechanism extends out of the main machine longer and can go deep into the oral cavity, and the length, the diameter, the shape, the transmitting power and the like of the part going deep into the oral cavity can be specially designed according to the specific structure of the part needing to be treated, so that the action effect of the instrument can be ensured.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 illustrates a schematic diagram of an oral millimeter wave treatment apparatus 100 according to an embodiment of the present invention;
fig. 2 is a schematic diagram showing an internal structure of a waveform conversion attenuating device 220 according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The millimeter wave therapeutic apparatus is widely used for treating various diseases due to small action position and accurate and controllable effect. But the existing millimeter wave therapeutic apparatus can not ensure the intensity of the millimeter wave emission power to realize accurate treatment. To the position of this kind of complicated structure of oral cavity, in order to satisfy the instrument to the local treatment demand of each tooth, this scheme provides an oral cavity millimeter wave therapeutic instrument, can go deep into the oral cavity and carry out accurate treatment to every tooth, and this instrument is small, can hand-held use, and can satisfy daily family's nursing demand.
Figure 1 illustrates a schematic diagram of an oral millimeter wave treatment apparatus 100 according to an embodiment of the present invention. As shown in FIG. 1, the millimeter wave treatment apparatus 100 comprises a main machine 200, an antenna mechanism 300 connected with the main machine on the same axis, and a handheld mechanism 400 connected with the main machine, wherein the axis of the handheld mechanism is perpendicular to the axis direction of the main machine and the antenna mechanism, so as to facilitate handheld use. In one embodiment of the present invention, the handheld part and the host can be movably connected, that is, the angle between the axis of the handheld mechanism and the axis of the host and the antenna can be adaptively adjusted according to actual requirements, so as to increase the flexibility of the instrument, for example, when millimeter waves are required to irradiate the wisdom teeth in the deep oral cavity, the angle between the axis of the host and the axis of the handheld mechanism can be set to be more than 90 degrees.
The antenna mechanism 300 includes a circular waveguide 330, a millimeter wave antenna 310 and an antenna protection cover 320, and the host 200 includes a millimeter wave source 210 and a waveform conversion attenuation device 220. Because the oral cavity millimeter wave therapeutic apparatus needs the antenna to go deep into the cavity, and meanwhile, because the treatment needs the antenna to have a large effective radiation area and a large power, and the antenna mechanism is long, the antenna protection cover 320 can be made of polytetrafluoroethylene materials with good biocompatibility and millimeter wave transmittance, the millimeter wave antenna and the circular waveguide can be made of brass plating materials, and the antenna protection cover completely covers the millimeter wave antenna and the antenna waveguide. The antenna protection cover 320 and the millimeter wave antenna 310 are provided with assembling steps, the assembling steps can be used for fixing the relative position between the antenna protection cover and the millimeter wave antenna, the relative position between the antenna protection cover and the millimeter wave antenna can be determined according to the field distribution radiated by the millimeter wave antenna, the shape of the antenna protection cover can be determined according to the directional diagram of the millimeter wave antenna, and the thickness of the antenna protection cover can be determined according to the characteristic impedance matching degree between the millimeter wave antenna and the antenna protection cover in the numerical simulation process. In the numerical simulation process, when the waveform reflection loss of the millimeter wave antenna passing through the antenna protection cover is less than the preset loss, determining that the shape and the thickness of the antenna protection cover conform to the characteristic impedance matching between the millimeter wave antenna and the antenna protection cover. The antenna protection cover can guarantee the transparency of the antenna protection cover to the millimeter wave antenna while protecting the antenna, and energy loss of millimeter waves on a transmission path is avoided.
As shown in fig. 1, the host 200 further includes a housing 230, a power supply interface 240 and a heat dissipation module 250, wherein the power supply interface 240 is adapted to provide a stable operating voltage for the millimeter wave source 210 through an external dc voltage regulator circuit. The heat dissipation module 250 can dissipate heat inside the instrument by using a fan, thereby reducing the working temperature of the therapeutic apparatus. The millimeter wave therapeutic apparatus 100 can be used for noninvasive and painless treatment of the oral cavity, and the structural design of the millimeter wave therapeutic apparatus can meet the requirement of the human body on size miniaturization of the millimeter wave therapeutic apparatus.
Fig. 2 is a schematic diagram showing an internal structure of a waveform conversion attenuating device 220 according to an embodiment of the present invention. As shown in fig. 2, the waveform transformation attenuating device 220 includes, among other things, an attenuating unit 221 and a waveform transformation unit 222 integrated into one device. The attenuation unit 221 is connected to a millimeter wave source through a flange, and the millimeter wave source can generate millimeter waves with certain power and frequency through an oscillator under an operating voltage. The attenuation unit 221 may attenuate the millimeter wave power emitted from the millimeter wave source to a target value. The waveform converting unit 222 is connected to the circular waveguide. In the embodiment of the present invention, the waveform output by the millimeter wave source is a rectangular waveguide, and the waveform conversion unit 222 may convert the power-attenuated millimeter wave pattern from the TE10 wave in the rectangular waveguide to a circularly polarized wave in the circular waveguide, so as to provide the millimeter wave antenna with the required millimeter wave output power. The millimeter wave source is output as a rectangular waveguide, then the power is controlled by the attenuation unit, the waveform is converted by the waveform conversion unit with the square-circle transition structure, and then the converted waveform is transmitted to the transmitting antenna by the circular waveguide, and is transmitted from the transmitting antenna to the treated part through the antenna protective cover.
In order to reduce the volume of the instrument, the waveform conversion attenuation device is integrated into a mechanism, most of connecting structures are eliminated, the adjusting mechanism is greatly simplified, meanwhile, in order to enable the performance of the adjusting mechanism to meet the use requirement, the mutual interference between the two units is reduced, and the design of the two functional units is improved through configuration optimization and simulation analysis. Specifically, the shape, size, position of the millimeter wave attenuation medium of the attenuation unit and the internal shape of the waveform conversion unit are determined when the field pattern, return loss, insertion loss, voltage standing wave ratio, and S parameter of the waveform conversion attenuation apparatus meet the impedance matching requirements in the simulation process. Through the waveform transformation attenuation device, millimeter wave power emitted by the millimeter wave source is absorbed by an attenuation medium in the attenuation unit, the power is reduced to a target range, then the millimeter wave power is continuously transmitted to the left side and enters the waveform transformation unit, and the field pattern of the millimeter wave is transformed into circularly polarized wave in the circular waveguide from TE10 wave in the rectangular waveguide through matching adjustment.
The waveform conversion attenuating device 220 further includes a positioning rod 223, an adjusting nut 224, and a restraining spring 225. The positioning rod 223 is connected to the attenuation unit 221, and the adjusting nut 224 and the limit spring 225 adjust the position of the attenuation unit 221 through the positioning rod 223, so as to adjust the power attenuation amount of the millimeter wave, and attenuate the power of the millimeter wave to a target value. The improved waveform conversion attenuation device eliminates most connecting structures, greatly simplifies an adjusting mechanism and the like, reduces the required volume to 4.5cm in length, 2cm in width and 2cm in height, and can meet the use requirement, and the adjustment range of the attenuation unit to the millimeter wave power attenuation is 0.5-10 dB.
In the working process of the oral cavity millimeter wave therapeutic apparatus, a power supply interface is utilized to provide working voltage for a millimeter wave source through a direct current voltage stabilizing circuit provided by an external power supply, the millimeter wave source generates millimeter wave oscillation in a resonant cavity, the millimeter wave oscillation is stabilized at a target frequency and power after being screened by the resonant cavity and is transmitted to a waveform conversion attenuation device, the millimeter wave power is reduced to a target power range, meanwhile, after the waveform of the millimeter wave is converted, the polarization characteristic meets the transmission and radiation requirements of a subsequent system, then, the millimeter wave is continuously transmitted along a waveguide, and is transmitted out according to a pre-designed radiation direction after reaching a millimeter wave antenna, and in the transmission process, the millimeter wave reaches a specific part of a human body after being matched by an antenna protective cover.
Through the scheme, the oral millimeter wave therapeutic apparatus is compact in structure, convenient to use in a handheld mode, and capable of guaranteeing reliable transmitted wave power while reducing size. Specifically, by combining the wave mode conversion unit and the adjustable attenuation unit into one component, the volume is greatly reduced, and simultaneously, the large attenuation adjusting capacity is kept, so that the volume of the wave mode conversion attenuation device is reduced from 13cm in length, 2cm in width, 8cm in height to 4.5cm in length, 2cm in width, and 2cm in height, and the attenuation adjusting range reaches 0.5-10 dB. The instrument antenna mechanism extends out of the main machine longer and can go deep into the oral cavity, and the length, the diameter, the shape, the transmitting power and the like of the part going deep into the oral cavity can be specially designed according to the specific structure of the part needing to be treated, so that the action effect of the instrument can be ensured.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules or units or components of the devices in the examples disclosed herein may be arranged in a device as described in this embodiment or alternatively may be located in one or more devices different from the devices in this example. The modules in the foregoing examples may be combined into one module or may be further divided into multiple sub-modules.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
Furthermore, some of the described embodiments are described herein as a method or combination of method elements that can be performed by a processor of a computer system or by other means of performing the described functions. A processor having the necessary instructions for carrying out the method or method elements thus forms a means for carrying out the method or method elements. Further, the elements of the apparatus embodiments described herein are examples of the following apparatus: the apparatus is used to implement the functions performed by the elements for the purpose of carrying out the invention.
As used herein, unless otherwise specified the use of the ordinal adjectives "first", "second", "third", etc., to describe a common object, merely indicate that different instances of like objects are being referred to, and are not intended to imply that the objects so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
While the invention has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this description, will appreciate that other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Furthermore, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Accordingly, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the appended claims. The present invention has been disclosed in an illustrative rather than a restrictive sense with respect to the scope of the invention, as defined in the appended claims.
Claims (7)
1. An oral cavity millimeter wave therapeutic apparatus is characterized by comprising a host machine, an antenna mechanism connected with the host machine on the same axis and a handheld mechanism connected with the host machine, wherein the axis of the handheld mechanism is vertical to the axis direction of the host machine and the antenna mechanism, the antenna mechanism comprises a circular waveguide, a millimeter wave antenna and an antenna protective cover, the host machine comprises a millimeter wave source and a waveform transformation attenuation device, the waveform transformation attenuation device comprises an attenuation unit and a waveform transformation unit which are integrated into a device, the attenuation unit is connected with the millimeter wave source through a flange, and the attenuation unit is suitable for attenuating millimeter wave power emitted by the millimeter wave source to a target value; the waveform transformation unit is connected with the circular waveguide and is suitable for transforming the field pattern of the millimeter waves with attenuated power from TE10 waves in the rectangular waveguide into circularly polarized waves in the circular waveguide so as to provide the millimeter wave antenna with required millimeter wave output power.
2. The oral millimeter wave treatment apparatus according to claim 1, wherein the shape, size, position of the millimeter wave attenuating medium of the attenuating unit and the internal shape of the waveform transforming unit are determined by the waveform transforming attenuating device' S pattern, return loss, insertion loss, voltage standing wave ratio, S-parameter meeting the impedance matching requirement in the simulation process.
3. The oral millimeter wave treatment instrument of claim 2, wherein the waveform transformation attenuation device further comprises a positioning rod, an adjusting nut and a limiting spring, the positioning rod is connected with the attenuation unit, and the adjusting nut and the limiting spring adjust the position of the attenuation unit through the positioning rod so as to adjust the power attenuation of the millimeter waves and attenuate the power of the millimeter waves to a target value.
4. The oral millimeter wave treatment apparatus of claim 1, wherein the millimeter wave antenna is a conical horn antenna, the antenna shield is made of polytetrafluoroethylene, the millimeter wave antenna and the waveguide are made of brass plating, and the antenna shield completely covers the millimeter wave antenna and the antenna waveguide.
5. The oral millimeter wave treatment apparatus of claim 4, wherein an assembly step is provided between the antenna protection cover and the millimeter wave antenna, the assembly step is used to fix the relative position between the antenna protection cover and the millimeter wave antenna, the relative position between the antenna protection cover and the millimeter wave antenna is determined according to the field distribution radiated by the millimeter wave antenna, the shape of the antenna protection cover is determined according to the directional diagram of the millimeter wave antenna, and the thickness of the antenna protection cover is determined according to the characteristic impedance matching degree between the millimeter wave antenna and the antenna protection cover in the numerical simulation process.
6. The oral millimeter wave treatment device of claim 5, wherein in the numerical simulation process, when the reflection loss of the millimeter wave antenna passing through the antenna protection cover is less than the preset loss, the shape and thickness of the antenna protection cover conform to the impedance matching of the millimeter wave at the interface of the medium on the transmission path.
7. The oral millimeter wave therapy device according to claim 1, wherein the host further comprises a housing, a power supply interface and a heat dissipation module, the power supply interface being adapted to provide a regulated operating voltage to the millimeter wave source via an external dc voltage regulator circuit.
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| CN202210722862.XA CN114870267B (en) | 2022-06-24 | 2022-06-24 | Millimeter wave therapeutic apparatus for oral cavity |
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| CN202210722862.XA CN114870267B (en) | 2022-06-24 | 2022-06-24 | Millimeter wave therapeutic apparatus for oral cavity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899566A (en) * | 2022-07-08 | 2022-08-12 | 北京中成康富科技股份有限公司 | Waveform transformation attenuation device and millimeter wave therapeutic instrument |
| CN114887227A (en) * | 2022-07-08 | 2022-08-12 | 北京中成康富科技股份有限公司 | Protection device and protection method of millimeter wave antenna and millimeter wave therapeutic apparatus |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002076721A (en) * | 2000-08-31 | 2002-03-15 | Kyocera Corp | Connection configuration of non-radiating dielectric line and metal waveguide and millimeter wave transmission and reception part and receiver |
| WO2003104833A2 (en) * | 2002-06-06 | 2003-12-18 | Roadeye Flr General Partnership | Forward-looking radar system |
| KR100866593B1 (en) * | 2007-06-25 | 2008-11-03 | 박대욱 | Thermal treatment device using millimeter wave |
| JP2008272504A (en) * | 2008-06-24 | 2008-11-13 | Toshiba Corp | Ultrasonic therapy apparatus |
| US20100079215A1 (en) * | 2008-09-30 | 2010-04-01 | Brannan Joseph D | System, apparatus and method for dissipating standing wave in a microwave delivery system |
| WO2012022538A1 (en) * | 2010-08-19 | 2012-02-23 | Sony Corporation0 | Mobile device for therapeutic action |
| CN205235181U (en) * | 2015-12-29 | 2016-05-18 | 成都恒波医疗器械有限公司 | Millimeter wave oral cavity irradiator |
| US20180147606A1 (en) * | 2015-04-24 | 2018-05-31 | Les Solutions Medicales Soundbite Inc. | Method and system for generating mechanical pulses |
| CN112263782A (en) * | 2020-12-08 | 2021-01-26 | 麦堆微电子技术（上海）有限公司 | Millimeter wave therapeutic instrument |
| CN216439833U (en) * | 2021-10-17 | 2022-05-06 | 北京中成康富科技股份有限公司 | Millimeter wave therapeutic instrument with double frequency channels |
-
2022
- 2022-06-24 CN CN202210722862.XA patent/CN114870267B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002076721A (en) * | 2000-08-31 | 2002-03-15 | Kyocera Corp | Connection configuration of non-radiating dielectric line and metal waveguide and millimeter wave transmission and reception part and receiver |
| WO2003104833A2 (en) * | 2002-06-06 | 2003-12-18 | Roadeye Flr General Partnership | Forward-looking radar system |
| KR100866593B1 (en) * | 2007-06-25 | 2008-11-03 | 박대욱 | Thermal treatment device using millimeter wave |
| JP2008272504A (en) * | 2008-06-24 | 2008-11-13 | Toshiba Corp | Ultrasonic therapy apparatus |
| US20100079215A1 (en) * | 2008-09-30 | 2010-04-01 | Brannan Joseph D | System, apparatus and method for dissipating standing wave in a microwave delivery system |
| WO2012022538A1 (en) * | 2010-08-19 | 2012-02-23 | Sony Corporation0 | Mobile device for therapeutic action |
| US20180147606A1 (en) * | 2015-04-24 | 2018-05-31 | Les Solutions Medicales Soundbite Inc. | Method and system for generating mechanical pulses |
| CN205235181U (en) * | 2015-12-29 | 2016-05-18 | 成都恒波医疗器械有限公司 | Millimeter wave oral cavity irradiator |
| CN112263782A (en) * | 2020-12-08 | 2021-01-26 | 麦堆微电子技术（上海）有限公司 | Millimeter wave therapeutic instrument |
| CN216439833U (en) * | 2021-10-17 | 2022-05-06 | 北京中成康富科技股份有限公司 | Millimeter wave therapeutic instrument with double frequency channels |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899566A (en) * | 2022-07-08 | 2022-08-12 | 北京中成康富科技股份有限公司 | Waveform transformation attenuation device and millimeter wave therapeutic instrument |
| CN114887227A (en) * | 2022-07-08 | 2022-08-12 | 北京中成康富科技股份有限公司 | Protection device and protection method of millimeter wave antenna and millimeter wave therapeutic apparatus |
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