CN115006729A - Gynaecology's millimeter wave therapeutic instrument - Google Patents
Gynaecology's millimeter wave therapeutic instrument Download PDFInfo
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- CN115006729A CN115006729A CN202210721534.8A CN202210721534A CN115006729A CN 115006729 A CN115006729 A CN 115006729A CN 202210721534 A CN202210721534 A CN 202210721534A CN 115006729 A CN115006729 A CN 115006729A
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
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Abstract
The invention discloses a gynecological millimeter wave therapeutic apparatus, which comprises a host and an antenna mechanism connected with the host, wherein the antenna mechanism comprises a circular waveguide, a millimeter wave antenna and an antenna protective cover which are sequentially connected, and the host and the antenna mechanism are connected along the same axial direction. 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 mechanism, the attenuation unit is connected with the millimeter wave source through a flange, the waveform conversion unit is connected with a circular waveguide and is suitable for attenuating the power of millimeter waves emitted by the millimeter wave source to a target value, and the waveform conversion unit is suitable for converting the field pattern of the millimeter waves after power attenuation from TE10 waves in the rectangular waveguide to circularly polarized waves in the circular waveguide so as to provide required millimeter wave output power for the millimeter wave antenna. The gynecological therapeutic apparatus can be deeply implanted into a gynecological cavity for accurate irradiation treatment, and ensures a larger millimeter wave adjusting range under the condition of not changing a millimeter wave source.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a gynecological millimeter wave therapeutic apparatus.
Background
The gynecological diseases are common diseases of women, including inflammatory diseases, neoplastic diseases, dysfunctional diseases and the like. The treatment mechanism of the existing gynecological treatment instrument mainly depends on a strong radio electromagnetic field generated by equipment to generate heat effect at a human body part for treatment. However, the treatment mechanism has the disadvantages of 'treating the symptoms and not the root cause' and generates non-negligible harm.
The millimeter wave can penetrate through the epidermis of the living being to act on deep tissues and can resonate with biological macromolecules such as protein, RNA and the like, so that the life activity process is influenced and regulated. The millimeter wave therapeutic apparatus causes a series of biological effects through resonance generated by specific oscillation frequency and human body cells, and obtains various therapeutic effects. Therefore, the millimeter waves can be used for effectively treating gynecological diseases.
The therapeutic apparatus of the existing millimeter wave therapeutic apparatus generally has larger diameter and volume, can not treat the gynecological cavity in a targeted manner, and can not adjust the power of the existing millimeter wave therapeutic apparatus. Because the existing millimeter wave therapeutic apparatus uses the mode of connecting the attenuator and the waveform converter in series, if the attenuator is added to realize power adjustment, the size of the millimeter wave system is far beyond the actual requirement, and the millimeter wave therapeutic apparatus cannot be used in actual treatment, and particularly cannot deeply treat narrow gynecological cavity.
Therefore, a gynecological millimeter wave therapeutic apparatus with a suitable diameter and size is needed, which can perform targeted effective treatment on gynecological parts, reduce the volume of the apparatus, improve the antenna and the waveform transformation and attenuation structure, ensure millimeter wave radiation power, and ensure treatment effect, so as to solve the technical problems in the prior art.
Disclosure of Invention
In view of the above problems, the present invention is proposed to provide a gynecological mm wave treatment device which overcomes or at least partially solves the above problems, in order to reduce the diameter and volume of the gynecological mm wave treatment device and to meet the miniaturization requirement of medical equipment.
According to one aspect of the invention, the gynecological millimeter wave therapeutic apparatus comprises a host machine and an antenna mechanism connected with the host machine, wherein the antenna mechanism comprises a waveguide, a millimeter wave antenna and an antenna protection cover which are sequentially connected, the host machine and the antenna mechanism are connected along the same axial direction, 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, the waveform conversion unit is connected with the waveguide, the attenuation unit is suitable for attenuating the millimeter wave power emitted by the millimeter wave source to a target value, and the waveform conversion unit is suitable for converting the field pattern of the millimeter waves after power attenuation 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.
The gynaecology's millimeter wave therapeutic instrument can reduce diameter and volume that the instrument gos deep into the gynaecology intracavity to the narrow and small characteristics in gynaecology intracavity space, can direct action on focus position, and accurate controllable treatment that reaches effect. 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, and internal shape of the millimeter wave attenuating medium of the attenuating unit and the waveform transforming unit are determined when the field pattern, return loss, insertion loss, voltage standing wave ratio, and S parameter of the millimeter wave meet the impedance matching requirement in the simulation process, and the diameter of the antenna structure is smaller than a predetermined value, so as to ensure that the antenna mechanism can enter the gynecological cavity.
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.
The wave mode conversion unit and the adjustable attenuation unit are integrated into a device, so that the number of parts is reduced, and the requirements on the performance and the volume of the instrument are met. The waveform conversion attenuator can keep large attenuation adjusting capacity under the condition of greatly reducing the volume and not changing a power source, so that the volume of the waveform conversion attenuator is reduced from 13cm in length, 2cm in width, 2cm in height and 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.
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 emission power to improve the long-term stability of therapeutic instrument, guarantee treatment.
Optionally, in the process of numerical simulation, when the 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 transmission 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 gynecological millimeter wave therapeutic apparatus provided by the scheme has the advantages of compact structure, reduced diameter and volume and capability of ensuring reliable radiation power. Specifically, the wave mode conversion structure and the adjustable attenuation unit are combined into a single component, so that the large attenuation adjusting capacity is kept under the condition of not changing a power source, the volume of the wave mode conversion attenuation device is greatly reduced, and the attenuation adjusting range reaches 0.5-10 dB. The antenna mechanism can go deep into the intracavity, and the length, diameter, shape, transmitting power of the part going deep into the intracavity can be specially designed according to the specific structure of the intracavity part of the gynaecology, and 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 other 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 is a schematic structural diagram of a gynecological millimeter wave treatment apparatus 001 according to an embodiment of the present invention;
fig. 2 shows a schematic diagram of a waveform conversion attenuating device 140 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 can be used for treating various diseases due to small action position and accurate and controllable effect. However, the existing millimeter wave therapeutic apparatus generally has large volume and large diameter, can not be adjusted according to the adaptability of the treatment part, and can not go deep into the narrow cavity for precise treatment. This scheme provides a gynaecology's millimeter wave therapeutic instrument can go deep into the gynaecology intracavity and carry out accurate treatment, keeps great millimeter wave decrement controllability when reducing instrument diameter and volume.
Fig. 1 shows a schematic structural diagram of a gynecological millimeter wave treatment instrument 001 according to an embodiment of the invention. As shown in fig. 1, the gynecological millimeter wave treatment apparatus 001 comprises a host 200 and an antenna mechanism 300 connected with the host, wherein the antenna mechanism 300 comprises a waveguide 130, a millimeter wave antenna 110 and an antenna protection cover 100 which are connected in sequence, the host 200 and the antenna mechanism 300 are connected along the same axial direction, the host 200 comprises a millimeter wave source 150 and a waveform conversion attenuation device 140, and further comprises a shell 160, a power supply interface 170 and a heat dissipation module 180. The power supply interface 170 is adapted to provide a stable operating voltage to the millimeter wave source 150 via an external dc voltage regulator circuit. In some embodiments of the present invention, the host may further include a control module, and the control module is adapted to control the irradiation time and the irradiation intensity of the millimeter wave, so as to perform a treatment on the gynecological cavity with higher precision and controllability.
The antenna mechanism 300 can be deeply inserted into the gynecological cavity through the handheld host part for millimeter wave irradiation treatment. The millimeter-wave antenna 110 is a conical horn antenna, and the radiation field of the horn antenna is determined by the size of the mouth surface of the horn and the propagation type. The millimeter wave source 150 may be various microwave functional devices, such as a rectangular waveguide, a millimeter wave photonic crystal device, etc., and in the embodiment of the present invention, the output of the millimeter wave source is a rectangular waveguide, the power is controlled by an attenuation structure, the waveform conversion is realized by a waveform converter with a square-circle transition structure characteristic, and the waveform is transmitted to the transmitting antenna by the circular waveguide, and is transmitted from the transmitting antenna to the treated part through the protective cover.
In order to reduce the diameter and the volume of the instrument, the waveform conversion attenuation device is integrated into a whole, most of connecting structures are eliminated, the adjusting mechanism is greatly simplified, meanwhile, in order to enable the performance of the waveform conversion attenuation device 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 by when the field pattern, return loss, insertion loss, voltage standing wave ratio, and S parameter of the millimeter wave meet the impedance matching requirements in the simulation process. The voltage standing wave ratio is antinode voltage/node voltage, and the S parameters comprise S12 (reverse transmission coefficient), S21 (forward transmission coefficient), S11 (input reflection coefficient) and S22 (output reflection coefficient). Through the waveform transformation attenuation device, a millimeter wave source enters the attenuation unit from the right side, the power of the emitted millimeter waves is absorbed by an attenuation medium in the attenuation unit, the power is reduced to a target range, then the millimeter waves are continuously transmitted to the left side to enter the waveform transformation unit, and the field pattern of the millimeter waves is transformed from TE10 waves in the rectangular waveguide into circularly polarized waves in the circular waveguide through matching adjustment.
Fig. 2 shows a schematic diagram of a waveform conversion attenuating device 140 according to an embodiment of the present invention. As shown in fig. 2, the waveform transformation attenuator 140 includes an attenuating unit 142 and a waveform transformation unit 141 integrated into a single mechanism, the attenuating unit 142 is connected to the millimeter wave source 150 through a flange 146, the waveform transformation unit 142 is connected to the circular waveguide in the antenna mechanism, for example, through a screw connection or a snap connection, the attenuating unit 142 can attenuate the power of the millimeter waves emitted from the millimeter wave source 150 to a target value, and the waveform transformation unit 141 is adapted to transform the field pattern of the millimeter waves after power attenuation from the TE10 wave in the rectangular waveguide to the circularly polarized wave in the circular waveguide so as to provide the millimeter wave antenna with a desired millimeter wave output power. The waveform conversion attenuation device 140 further includes a positioning rod 143, an adjustment nut 144, and a restraining spring 145. The positioning rod 143 is connected to the attenuation unit 142, and the adjusting nut 144 and the limiting spring 145 adjust the position of the attenuation unit 142 via the positioning rod 143, so as to adjust the millimeter wave power attenuation amount, so that the millimeter wave power is attenuated to a target value, and further, the millimeter wave power attenuation amount is adjusted. The improved waveform conversion attenuation device eliminates most connecting structures, greatly simplifies the adjusting mechanism and the like, reduces the required volume to 4.5cm long, 2cm wide, 2cm high and 2cm high, and can meet the use requirement, and the attenuation unit has the millimeter wave power attenuation adjusting range of 0.5-10 dB.
Because the gynecological millimeter wave therapeutic apparatus needs the antenna to go deep into the cavity, the effective radiation area of the antenna is large and the power is large because the treatment needs the antenna. The millimeter wave antenna is a conical horn antenna, the antenna protection cover can be made of polytetrafluoroethylene materials with good biocompatibility and millimeter wave transmittance, the millimeter wave antenna and the waveguide can be made of brass plating materials, the antenna protection cover completely covers the millimeter wave antenna and the antenna waveguide, impedance matching of millimeter waves on a propagation path can be achieved while the antenna is protected, and the preset strength of the millimeter waves reaching a treatment part is guaranteed.
As shown in fig. 1, in the antenna mechanism 300, an assembly step 120 is disposed between the antenna protection cover 100 and the millimeter wave antenna 110, the assembly step 120 may be used to fix a 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 may be determined according to field distribution radiated by the millimeter wave antenna, a shape of the antenna protection cover may be determined according to a directional diagram of the millimeter wave antenna, and a thickness of the antenna protection cover may be determined according to a characteristic impedance matching degree between the millimeter wave antenna and the antenna protection cover in a 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 be made of a polytetrafluoroethylene material with biocompatibility, and transparency of the antenna protection cover to the millimeter wave antenna can be guaranteed.
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 emission power to improve the long-term stability of therapeutic instrument, guarantee treatment.
Above-mentioned millimeter wave therapeutic instrument carries out noninvasive painless treatment to gynaecology's inner chamber position, and its structural design can satisfy human inner chamber to the miniaturized requirement of millimeter wave therapeutic instrument size. In the working process of the gynecological millimeter wave therapeutic apparatus, a power supply interface provides 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, polarization characteristics meet 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 predesigned radiation direction after reaching a millimeter wave antenna, and the millimeter wave reaches a specific part of a human body after being matched with an antenna protective cover in the transmitting process.
Through the scheme, the gynecological millimeter wave therapeutic apparatus is compact in structure, and reliable radiation power can be guaranteed while the diameter and the size are reduced. Specifically, by combining the wave mode conversion unit and the adjustable attenuation unit into one component, the large attenuation adjusting capacity is kept under the condition of not changing a power source, so that the volume of the wave mode conversion attenuation device is greatly reduced, and the attenuation adjusting range reaches 0.5-10 dB. The antenna mechanism can go deep into the intracavity, and the length, diameter, shape, transmitting power of the part going deep into the intracavity can be specially designed according to the specific structure of the intracavity part of the gynaecology, and 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 device 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 described 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. A gynecological millimeter wave therapeutic apparatus, which is characterized by comprising a host and an antenna mechanism connected with the host, the antenna mechanism comprises a circular waveguide, a millimeter wave antenna and an antenna protective cover which are connected in sequence, the host machine and the antenna mechanism are connected along the same axial direction, 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 device, the attenuation unit is connected with the millimeter wave source through a flange, the waveform transformation unit is connected with the circular waveguide, the attenuation unit is suitable for attenuating the power of millimeter waves emitted by the millimeter wave source to a target value, and the waveform transformation unit is suitable for transforming the field pattern of the millimeter waves after the power attenuation 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 gynecological millimeter wave treatment instrument according to claim 1, wherein 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 by the field pattern, return loss, insertion loss, voltage standing wave ratio and S parameter of the millimeter wave in the simulation process when the impedance matching requirement is met, and the diameter of the antenna structure is smaller than a predetermined value.
3. The gynecological millimeter wave treatment instrument according to 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 amount of the millimeter waves and attenuate the power of the millimeter waves to a target value.
4. The gynecological millimeter wave treatment instrument according to claim 1, wherein the millimeter wave antenna is a conical horn antenna, the antenna protection cover is made of polytetrafluoroethylene material, the millimeter wave antenna and the waveguide are made of brass plating material, and the antenna protection cover completely covers the millimeter wave antenna and the circular waveguide.
5. The gynecological millimeter wave treatment apparatus according to claim 4, wherein 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.
6. The gynecological millimeter wave treatment instrument according to claim 5, wherein in the numerical simulation process, when the 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 waves at the medium interface on the transmission path.
7. The gynecological millimeter wave treatment apparatus according to claim 1, wherein the host further comprises a housing, a power supply interface and a heat dissipation module, wherein the power supply interface is adapted to provide a stable working voltage for the millimeter wave source through an external direct current voltage stabilizing circuit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| 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 |
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