CN102784436A - Microwave hyperthermia therapy radiator and microwave hyperthermia therapy device - Google Patents
Microwave hyperthermia therapy radiator and microwave hyperthermia therapy device Download PDFInfo
- Publication number
- CN102784436A CN102784436A CN2011101253564A CN201110125356A CN102784436A CN 102784436 A CN102784436 A CN 102784436A CN 2011101253564 A CN2011101253564 A CN 2011101253564A CN 201110125356 A CN201110125356 A CN 201110125356A CN 102784436 A CN102784436 A CN 102784436A
- Authority
- CN
- China
- Prior art keywords
- area
- refractive index
- ultra
- artificial micro
- micro structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to a microwave hyperthermia therapy radiator and a microwave hyperthermia therapy device. The microwave hyperthermia therapy radiator comprises a radiator body and a meta-material panel disposed on the radiator body. The meta-material panel comprises at least a meta-material lamina which includes a sheet substrate and a plurality of artificial microstructures disposed on the substrate. Refractive index distribution of each meta-material lamina is the same. The meta-material lamina comprises a circular area and a plurality of annular areas which has a same center with the circular area. In the circular area and the annular areas, the refractive index reduces continuously with increasing radius and the refractive index is the same when the radiuses are the same. In the plurality of areas, at least two adjacent areas exist, a first area and a second area. In the first area, the refractive index continuously reduces from n1 to n2 with increasing radius, and in the second area, the refractive index continuously reduces from n3 to n4 with increasing radius, wherein n3>n2 is satisfied. The microwave hyperthermia therapy radiator and the microwave hyperthermia therapy device make microwave energy concentrate on diseased regions, thereby reducing damage of normal tissues and improving thermotherapy efficiency.
Description
Technical field
The present invention relates to the microwave heat therapeutic technology, more particularly, relate to microwave radiator for thermotherapy and microwave hyperthermia device.
Background technology
The irradiation that organism receives microwave can produce heat effect, through the direct kill tumor cell of high temperature.Therefore, adopt microwave heat therapeutic technology treatment tumor usually.Why the microwave irradiation human body produces microwave biological effect, is because various the organizing of human body all has natural frequency, and when the natural frequency of microwave frequency and certain tissue was identical, this tissue just produced resonance absorbing.When the energy of this tissue absorption surpasses a certainly when subtracting threshold values, will cause biological effect.The effective main cause of microwave heat therapeutic is following:
(1) microwave heat therapeutic be microwave irradiation behind diseased region, pathological tissues absorbs microwave energy self and produces heat, so pathological tissues is than other hot compress quick heatings, and uniformity of temperature profile.
(2) microwave has the characteristic of the heating selected: the dielectric constant of the various tissues of human body is inequality, and therefore the ability of various tissue absorption microwaves is also inequality.Absorb the strong tissue of microwave ability and just heat up soon, the intensification that absorption can be weak just slowly.It is strong that pathological tissues often absorbs the microwave ability than normal structure, quick heating, thus reached the purpose of selecting treatment.Other thermotherapy methods just do not have this characteristic.
(3) microwave heat therapeutic can be made a definite diagnosis diseased region; Other hot compression therapy methods then can not: if diseased region is inflammation; the blood capillary of diseased region causes poor blood circulation because of being narrowed down by the compressing of Inflamed tissue, when with the microwave irradiation diseased region; shine the health tissues that adjoins mutually with diseased region unavoidably simultaneously, just pathological tissues and the health tissues while is by microwave heating.For health tissues, absorb blood that heat major part that microwave produces is recycled take away be dispersed into through skin external; For pathological tissues, because of poor blood circulation sharply heats up.When Where topical pathological tissues temperature was raised to 38 ℃-39 ℃, affected part had just had pain.Painful area is exactly a diseased region, thereby has accurately confirmed lesion locations, and these characteristics are to improving curative effect, and it is of great advantage to shorten the course of treatment.
Thermotherapy is the big effect of lifting in the treatment malignant tumor not only, and in the many benign diseases of treatment also highly significant of effect, in clinical practice, demonstrated huge development potentiality and wide application prospect, extensive patients is benefited.
But in the present microwave heat therapeutic process, except shining diseased region, also can shine the health tissues that adjoins mutually with diseased region; Cause damage, because the degree that microwave energy converges is lower, make thermotherapy effect also bad in addition normal structure; Heat time heating time is longer; This is not hope the result that sees, therefore, needs a kind of microwave heat therapeutic technology that can reduce normal tissue injury, improve thermotherapy efficient.
Summary of the invention
The technical problem that the present invention will solve is that the defective to damage normal structure in the above-mentioned microwave heat therapeutic process of prior art provides a kind of microwave radiator for thermotherapy and microwave hyperthermia device.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of microwave radiator for thermotherapy, comprise the irradiator body, also comprise the ultra material panel that is installed on the said irradiator body; Said ultra material panel comprises at least one ultra sheet of material; Said ultra sheet of material comprises plate shape substrates and is arranged on a plurality of artificial micro structure on the said substrate; The index distribution of each said ultra sheet of material is all identical; Said ultra sheet of material comprises a border circular areas and a plurality of and concentric annular region of border circular areas; In said border circular areas and the annular region refractive index reduce continuously along with the increase of radius and the refractive index at same radius place identical, have two adjacent first areas and second area in a plurality of zones at least, refractive index is along with the increase of radius is reduced to n2 continuously from n1 in the first area; Refractive index is along with the increase of radius is reduced to n4 continuously from n3 in the second area, and satisfies n3＞n2.
In microwave radiator for thermotherapy of the present invention, said ultra material panel is piled up by a plurality of ultra sheet of material and forms.
In microwave radiator for thermotherapy of the present invention; Said artificial micro structure has identical geometry; The size of artificial micro structure reduces along with the increase of radius and the artificial micro structure at same radius place measure-alike continuously in each said zone; At least have two adjacent first areas and second area in a plurality of zones, the change in size scope of artificial micro structure common factor is non-NULL in said first area and the second area.
In microwave radiator for thermotherapy of the present invention, each said artificial micro structure is planar structure or the stereochemical structure of being made up of at least one one metal wire.
In microwave radiator for thermotherapy of the present invention, said tinsel is copper wire or filamentary silver.
In microwave radiator for thermotherapy of the present invention, said tinsel through etching, plating, brill quarter, photoetching, electronics is carved or ion is carved method attached on the substrate.
In microwave radiator for thermotherapy of the present invention, said substrate is made by pottery, macromolecular material, ferroelectric material, ferrite material or ferromagnetic material.
In microwave radiator for thermotherapy of the present invention, said artificial micro structure is " worker " font, " ten " font or " king " font.
The present invention also provides a kind of microwave hyperthermia device, comprises housing, also comprises being arranged at the intravital microwave radiator for thermotherapy of said shell; Said microwave radiator for thermotherapy comprises the irradiator body and is installed in the ultra material panel on the said irradiator body; Said ultra material panel comprises at least one ultra sheet of material; Said ultra sheet of material comprises plate shape substrates and is arranged on a plurality of artificial micro structure on the said substrate; The index distribution of each said ultra sheet of material is all identical; Said ultra sheet of material comprises a border circular areas and a plurality of and concentric annular region of border circular areas; In said border circular areas and the annular region refractive index reduce continuously along with the increase of radius and the refractive index at same radius place identical, have two adjacent first areas and second area in a plurality of zones at least, refractive index is along with the increase of radius is reduced to n2 continuously from n1 in the first area; Refractive index is along with the increase of radius is reduced to n4 continuously from n3 in the second area, and satisfies n3＞n2.
In microwave hyperthermia device of the present invention; Said artificial micro structure has identical geometry; The size of artificial micro structure reduces along with the increase of radius and the artificial micro structure at same radius place measure-alike continuously in each said zone; At least have two adjacent first areas and second area in a plurality of zones, the change in size scope of artificial micro structure common factor is non-NULL in said first area and the second area.
The technical scheme of embodiment of the present invention; Has following beneficial effect: through on microwave radiator for thermotherapy, increasing ultra material panel; Make microwave energy concentrate on diseased region more, and the microwave energy at the normal structure place that adjoins mutually with diseased region significantly reduces, thus shortened the thermotherapy time, reduced normal structure damage, improved thermotherapy efficient; Strengthen therapeutic effect, also reduced the misery in the patient treatment process.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation according to the microwave radiator for thermotherapy of one embodiment of the present invention;
Fig. 2 is the structural representation of the ultra material panel that adopts of the present invention;
Fig. 3 is the sketch map of the refractive index of ultra material panel shown in Figure 2 with radius change;
Fig. 4 is the refractive index profile of ultra material panel on the yz plane shown in Figure 2;
Fig. 5 is the structural representation of deutero-second embodiment of artificial micro structure shown in Figure 2;
Fig. 6 is the structural representation according to the microwave hyperthermia device of one embodiment of the present invention.
The specific embodiment
The microwave heat therapeutic technology has good therapeutic effect to disease, chronic disease etc. in inflammation, tumor, traumatic hemorrhage, internal injury congestion, the body cavity.The present invention is through increasing ultra material panel on microwave radiator for thermotherapy; Make microwave energy concentrate on diseased region more; And the microwave energy at the normal structure place that adjoins mutually with diseased region significantly reduces; Thereby shortened the thermotherapy time, reduced normal structure damage, improved thermotherapy efficient; Strengthened therapeutic effect, also reduced the misery in the patient treatment process certainly, the right present insoluble tumor of the technical scheme of this invention particularly treatment of malignant tumor (cancer) has good curative effect.
Ultra material is a kind ofly to be elementary cell and to carry out spatial arrangement, have the new material of special electromagnetic response with ad hoc fashion with artificial micro structure 2, comprises artificial micro structure 2 and the substrate 1 that supplies artificial micro structure to adhere to.Artificial micro structure 2 is planar structure or the stereochemical structure of being made up of at least one one metal wire, a plurality of artificial micro structures 2 array arrangement on substrate 1, each artificial micro structure 2 with and appended substrate 1 shared part be a ultra material cell.Substrate 1 can be any and artificial micro structure 2 material different, and the stack of these two kinds of materials makes each ultra material cell produce an effective dielectric constant and pcrmeability, these two physical parameters the are corresponding respectively electric field response and the magnetic responsiveness of ultra material cell.Ultra material is that characteristic by artificial micro structure 2 determines to the characteristic of electromagnetic response, and topological characteristic and its physical dimension that the electromagnetic response of artificial micro structure 2 depends on its pattern wiry to a great extent and had.According to the topological graph and the physical dimension of each artificial micro structure 2 of arranging in the ultra material space of above-mentioned principle design, just can the electromagnetic parameter of every bit in the ultra material be provided with.
Fig. 1 is the structural representation according to the microwave radiator for thermotherapy 100 of one embodiment of the present invention, and this microwave radiator for thermotherapy comprises irradiator body 20, is installed in the ultra material panel 10 on the irradiator body 20.We can know as common practise; Electromagnetic refractive index is proportional with
; When a branch of electromagnetic wave is propagated into other a kind of medium by a kind of medium; Electromagnetic wave can reflect; When the inner index distribution of material was non-homogeneous, electromagnetic wave will be to the bigger position deviation of refractive index ratio, through designing the electromagnetic parameter of every bit in the ultra material; Just can adjust, and then reach the purpose that changes the electromagnetic wave propagation path the index distribution of ultra material.Can make the electromagnetic wave that sends from irradiator body 20 converge in a less zone through the index distribution that designs ultra material panel 10 according to above-mentioned principle.The big I in the zone of converging is set according to the demand of reality, through the index distribution that changes ultra material panel 10 the required regional extent that converges is set.In practical application, can change the radiant intensity of microwave radiator for thermotherapy 100 through the power of adjusting irradiator body 20 according to the conditions of patients needs, thereby change the temperature that converges the zone, the feasible treatment demand that is fit to patient part.In addition, can also regulate the electromagnetic zone of converging with irradiator body 20 distances through changing ultra material panel 10.
a
1≥a
2≥a
3≥……≥a
n (1)
b
1≥b
2≥b
3≥……≥b
n (2)
c
1≥c
2≥c
3≥……≥c
n (3)
B wherein
1＞a
n, c
1＞b
n, n is not less than 2 natural number, and formula (1) (2) (3) is not all got equal sign simultaneously.
Utilize ultra material panel 10 will converge in a less zone from the electromagnetic wave that irradiator body 20 sends, big more the closer to deflection angle folded between edge's incident electromagnetic wave of ultra material panel 10 and the outgoing electromagnetic wave.Can know that as common practise the refractive index variable quantity between the adjacent ultra material cell is big more, then electromagnetic deflection angle is big more.Therefore, for the electromagnetic wide-angle deviation of realizing ultra material panel 10 edges and the electromagnetic wave of realizing the plane wave form, the variations in refractive index of ultra material cell satisfies as follows and concerns in each zone:
(a
1-a
2)≤(a
2-a
3)≤……≤(a
n-1-a
n)≤(b
1-b
2)≤(b
2-b
3)≤……≤(b
n-1-b
n)≤(c
1-c
2)≤(c
2-c
3)≤……≤(c
n-1-c
n)(4)
Satisfying the ultra material panel 10 of above-mentioned variations in refractive index magnitude relation, for the electromagnetic wave that sends from irradiator body 20, is a with the refractive index
1Ultra material cell be the center of circle, therefore along with the refractive index variable quantity of the ultra material panel 10 of the increase of radius on the yz plane increases gradually, with a
1The ultra material cell at place is the center of circle, and the deviation angle is big during along with the increase incident electromagnetic wave outgoing of radius, and is more little the closer to its outgoing deflection angle of ultra material cell incident electromagnetic wave at place, the center of circle.Through certain designed and calculating, make these deflection angles satisfy certain rules successively, can realize that electromagnetic wave converges.The artificial micro structure 2 of passing through each ultra material cell of design based on the microwave radiator for thermotherapy of ultra material of the present invention; Obtain this unitary DIELECTRIC CONSTANTS and pcrmeability μ; And then make the change of refractive amount Δ n of each adjacent ultra material cell can realize the deviation angle that electromagnetic wave is specific to the index distribution design of ultra material panel 10, can realize that electromagnetic wave that the spherical wave form is dispersed changes the electromagnetic wave of plane form into.
In order to represent ultra sheet of material 3 refractive index refractive index regularity of distribution on the yz face more intuitively; The ultra material cell that refractive index is identical is linked to be a line; And represent the size of refractive index with the density of line; The close more refractive index of line is big more, and the index distribution of ultra sheet of material 3 that then meets above all relational expressions is as shown in Figure 4.
The experiment proof; The artificial micro structure 2 of identical patterns; Its physical dimension becomes the ε direct ratio with dielectric constant, therefore under the situation that incident electromagnetic wave is confirmed, and artificial micro structure 2 the arranging on ultra sheet of material of topological pattern and different size through the artificial micro structure 2 of appropriate design; Just can adjust the index distribution of ultra material panel 10, and then realize that electromagnetic wave that the spherical wave form is dispersed changes the electromagnetic wave of plane form into.
But the artificial micro structure 2 that realizes above-mentioned refractive index and refractive index variable quantity distribution relation has a variety of implementations, and for the artificial micro structure 2 of planar structure, its geometry can be that axial symmetry also can non-axial symmetry; For three dimensional structure, it can the rotational symmetric any 3-D graphic of right and wrong 90 degree.
Planar artificial micro structure 2 as shown in Figure 2 is all on the surface attached to flat substrates 1.Artificial micro structure 2 is " worker " font among the figure, comprises vertical first tinsel 201 and is connected to first tinsel, 201 two ends and perpendicular to second tinsel 202 of first tinsel 201.Ultra material panel 10 is made up of a plurality of identical ultra sheet of material 3; The size maximum that comprises the artificial micro structure 2 of a border circular areas and a plurality of and concentric annular region of border circular areas and circle centre position on the yz plane of each ultra sheet of material 3; The size of the artificial micro structure 2 of each interior " worker " font in zone is along with the increase of radius reduces continuously, and the artificial micro structure 2 at same radius place is measure-alike; At least there are two adjacent first areas and second area in a plurality of zones; The change in size scope of artificial micro structure 2 common factor is non-NULL in these two adjacent areas; Be the center of circle promptly with artificial micro structure 2 size maximums; Along with the increase of radius exists two adjacent first areas and second area at least successively, the size of maximum artificial micro structure 2 is greater than the size of artificial micro structure 2 minimum in the first area in the second area.
Need to prove that because in fact ultra material cell is a cube but not a point, therefore above-mentioned circle, annular are approximate description, the identical or essentially identical ultra material cell of actual refractive index distributes on a zigzag circumference.When being similar to computer with smoothed curves such as square pixels point-rendering circle, ellipses, its concrete design class carries out the programming mode (for example OpenGL) of described point; Curve display is smooth when pixel is very little with respect to curve, and curve display has sawtooth when pixel is big with respect to curve.
Embodiment illustrated in fig. 5 is deriving of artificial micro structure 2 shown in Figure 2; The artificial micro structure 2 of deriving among Fig. 5 not only comprises first tinsel 201 and second tinsel 202 of formation " worker " font, also comprises being connected to second tinsel, 202 two ends and perpendicular to the 3rd tinsel 203 of second tinsel 202.
Be to be understood that; The present invention can adopt the artificial micro structure 2 of symmetrical structures such as " king " font or " ten " font; Also can adopt the artificial micro structure 2 of other unsymmetric structures; As long as the index distribution of each ultra sheet of material 3 on the yz face satisfy above-mentioned all relational expressions, through to shape, the size of artificial micro structure 2 with arrange to be provided with and to realize that electromagnetic wave converges to a zone.
During practical implementation, can draw its dielectric constant and pcrmeability, constantly adjust the shape and size of artificial micro structure 2 then, satisfy above-mentioned index distribution up to the value of its dielectric constant and pcrmeability through calculating with emulation.
Artificial micro structure 2 is made up of tinsels such as at least one copper wire or filamentary silvers in the foregoing description, has special pattern.Metal wire through etching, plating, brill quarter, photoetching, electronics is carved or ion quarter etc. method attached on the substrate 1.Wherein etching is more excellent manufacturing process; Its step is behind the plane pattern that designs suitable artificial micro structure 2; Earlier with a tinsel integrally attached on the substrate 1; Through etching machines, utilize the chemical reaction of solvent and metal to get rid of the paillon foil part beyond artificial micro structure 2 predetermined pattern, the remaining artificial micro structure 2 that can obtain array arrangement then.Substrate 1 is made by pottery, macromolecular material, ferroelectric material, ferrite material or ferromagnetic material etc.For example, macromolecular materials such as politef, epoxy resin, FR4, F4b.
The present invention also provides a kind of microwave hyperthermia device 600, comprises housing 601, is arranged at the microwave radiator for thermotherapy 602 in the housing 601.Wherein, microwave radiator for thermotherapy 602 comprises irradiator body 6021 and is installed in the ultra material panel 6022 on the irradiator body 6021.Arranging of the concrete structure of wherein ultra material panel 6022 and refractive index is identical with the ultra material panel 102 of preceding text, and the irradiator body 20 of irradiator body 6021 again sees Fig. 1-5 and associated description thereof for details, repeats no more here.Structure among the figure is merely signal, not as limitation of the present invention.
In Fig. 6, only show the critical piece of microwave hyperthermia device 600, for clearer description content of the present invention, other necessary parts and not shown, for example support etc.Should be understood that, as long as the microwave heat therapeutic equipment that adopts technical scheme of the present invention to obtain is included in protection scope of the present invention.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protects, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. a microwave radiator for thermotherapy comprises the irradiator body, it is characterized in that, also comprises the ultra material panel that is installed on the said irradiator body; Said ultra material panel comprises at least one ultra sheet of material; Said ultra sheet of material comprises plate shape substrates and is arranged on a plurality of artificial micro structure on the said substrate; The index distribution of each said ultra sheet of material is all identical; Said ultra sheet of material comprises a border circular areas and a plurality of and concentric annular region of border circular areas; In said border circular areas and the annular region refractive index reduce continuously along with the increase of radius and the refractive index at same radius place identical, have two adjacent first areas and second area in a plurality of zones at least, refractive index is along with the increase of radius is reduced to n2 continuously from n1 in the first area; Refractive index is along with the increase of radius is reduced to n4 continuously from n3 in the second area, and satisfies n3＞n2.
2. microwave radiator for thermotherapy as claimed in claim 1 is characterized in that, said ultra material panel is piled up by a plurality of ultra sheet of material and forms.
3. according to claim 1 or claim 2 microwave radiator for thermotherapy; It is characterized in that; Said artificial micro structure has identical geometry; The size of artificial micro structure reduces along with the increase of radius and the artificial micro structure at same radius place measure-alike continuously in each said zone, has two adjacent first areas and second area in a plurality of zones at least, and the change in size scope of artificial micro structure is occured simultaneously and is non-NULL in said first area and the second area.
4. microwave radiator for thermotherapy as claimed in claim 3 is characterized in that, each said artificial micro structure is planar structure or the stereochemical structure of being made up of at least one one metal wire.
5. microwave radiator for thermotherapy as claimed in claim 4 is characterized in that, said tinsel is copper wire or filamentary silver.
6. microwave radiator for thermotherapy as claimed in claim 5 is characterized in that, said tinsel through etching, plating, brill quarter, photoetching, electronics is carved or ion is carved method attached on the substrate.
7. microwave radiator for thermotherapy as claimed in claim 1 is characterized in that said substrate is made by pottery, macromolecular material, ferroelectric material, ferrite material or ferromagnetic material.
8. microwave radiator for thermotherapy as claimed in claim 3 is characterized in that, said artificial micro structure is " worker " font, " ten " font or " king " font.
9. a microwave hyperthermia device comprises housing, it is characterized in that, also comprises being arranged at the intravital microwave radiator for thermotherapy of said shell; Said microwave radiator for thermotherapy comprises the irradiator body and is installed in the ultra material panel on the said irradiator body; Said ultra material panel comprises at least one ultra sheet of material; Said ultra sheet of material comprises plate shape substrates and is arranged on a plurality of artificial micro structure on the said substrate; The index distribution of each said ultra sheet of material is all identical; Said ultra sheet of material comprises a border circular areas and a plurality of and concentric annular region of border circular areas; In said border circular areas and the annular region refractive index reduce continuously along with the increase of radius and the refractive index at same radius place identical, have two adjacent first areas and second area in a plurality of zones at least, refractive index is along with the increase of radius is reduced to n2 continuously from n1 in the first area; Refractive index is along with the increase of radius is reduced to n4 continuously from n3 in the second area, and satisfies n3＞n2.
10. microwave hyperthermia device as claimed in claim 9; It is characterized in that; Said artificial micro structure has identical geometry; The size of artificial micro structure reduces along with the increase of radius and the artificial micro structure at same radius place measure-alike continuously in each said zone, has two adjacent first areas and second area in a plurality of zones at least, and the change in size scope of artificial micro structure is occured simultaneously and is non-NULL in said first area and the second area.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110125356.4A CN102784436B (en) | 2011-05-16 | 2011-05-16 | Microwave hyperthermia therapy radiator and microwave hyperthermia therapy device |
| PCT/CN2011/083068 WO2012149824A1 (en) | 2011-04-30 | 2011-11-28 | Antenna based on metamaterial, microwave thermal therapy radiator, and microwave thermal therapy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110125356.4A CN102784436B (en) | 2011-05-16 | 2011-05-16 | Microwave hyperthermia therapy radiator and microwave hyperthermia therapy device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102784436A true CN102784436A (en) | 2012-11-21 |
| CN102784436B CN102784436B (en) | 2015-04-29 |
Family
ID=47150140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110125356.4A Active CN102784436B (en) | 2011-04-30 | 2011-05-16 | Microwave hyperthermia therapy radiator and microwave hyperthermia therapy device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102784436B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3031493A1 (en) * | 2014-12-11 | 2016-06-15 | Palo Alto Research Center, Incorporated | Metamaterial phased array for hyperthermia therapy |
| US10307607B2 (en) | 2016-02-09 | 2019-06-04 | Palo Alto Research Center Incorporated | Focused magnetic stimulation for modulation of nerve circuits |
| CN112512154A (en) * | 2020-12-08 | 2021-03-16 | 四川大学 | Device and method for improving microwave heating efficiency |
| CN112569885A (en) * | 2020-12-08 | 2021-03-30 | 四川大学 | Microwave reaction device with reflection protection |
| US11141585B2 (en) | 2018-12-28 | 2021-10-12 | Palo Alto Research Center Incorporated | Non-invasive neural interface |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186181A (en) * | 1990-07-27 | 1993-02-16 | Cafiero Franconi | Radio frequency thermotherapy |
| CN1089177A (en) * | 1992-03-26 | 1994-07-13 | 湖南大学 | A kind of microware radiating heat to human body method and device |
| US20030053790A1 (en) * | 2001-08-23 | 2003-03-20 | Riken | Photonic crystal and optical waveguide elements |
| US20090201572A1 (en) * | 2008-02-07 | 2009-08-13 | Toyota Motor Engineering & Manufacturing North America, Inc. | Metamaterial gradient index lens |
| CN101699659A (en) * | 2009-11-04 | 2010-04-28 | 东南大学 | Lens antenna |
| JP2010187062A (en) * | 2009-02-10 | 2010-08-26 | Hitachi Maxell Ltd | Metamaterial |
| CN101971422A (en) * | 2008-03-12 | 2011-02-09 | 波音公司 | Lens for scanning angle enhancement of phased array antennas |
-
2011
- 2011-05-16 CN CN201110125356.4A patent/CN102784436B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186181A (en) * | 1990-07-27 | 1993-02-16 | Cafiero Franconi | Radio frequency thermotherapy |
| CN1089177A (en) * | 1992-03-26 | 1994-07-13 | 湖南大学 | A kind of microware radiating heat to human body method and device |
| US20030053790A1 (en) * | 2001-08-23 | 2003-03-20 | Riken | Photonic crystal and optical waveguide elements |
| US20090201572A1 (en) * | 2008-02-07 | 2009-08-13 | Toyota Motor Engineering & Manufacturing North America, Inc. | Metamaterial gradient index lens |
| CN101971422A (en) * | 2008-03-12 | 2011-02-09 | 波音公司 | Lens for scanning angle enhancement of phased array antennas |
| JP2010187062A (en) * | 2009-02-10 | 2010-08-26 | Hitachi Maxell Ltd | Metamaterial |
| CN101699659A (en) * | 2009-11-04 | 2010-04-28 | 东南大学 | Lens antenna |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3031493A1 (en) * | 2014-12-11 | 2016-06-15 | Palo Alto Research Center, Incorporated | Metamaterial phased array for hyperthermia therapy |
| JP2016112409A (en) * | 2014-12-11 | 2016-06-23 | パロ アルト リサーチ センター インコーポレイテッド | Metamaterial phased array for hyperthermia therapy |
| US10307607B2 (en) | 2016-02-09 | 2019-06-04 | Palo Alto Research Center Incorporated | Focused magnetic stimulation for modulation of nerve circuits |
| US11141585B2 (en) | 2018-12-28 | 2021-10-12 | Palo Alto Research Center Incorporated | Non-invasive neural interface |
| CN112512154A (en) * | 2020-12-08 | 2021-03-16 | 四川大学 | Device and method for improving microwave heating efficiency |
| CN112569885A (en) * | 2020-12-08 | 2021-03-30 | 四川大学 | Microwave reaction device with reflection protection |
| CN112569885B (en) * | 2020-12-08 | 2021-09-17 | 四川大学 | Microwave reaction device with reflection protection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102784436B (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102784436A (en) | Microwave hyperthermia therapy radiator and microwave hyperthermia therapy device | |
| Vrba et al. | Metamaterial antenna arrays for improved uniformity of microwave hyperthermia treatments | |
| He et al. | A hexagonal focused array for microwave hyperthermia: Optimal design and experiment | |
| CN104218325A (en) | Artificial electromagnetic material with effective dielectric constant and permeability close to zero | |
| EP3140003B1 (en) | Apparatus for creating small focus deep hyperthermia in tissue | |
| Vrba et al. | Novel applicators for local microwave hyperthermia based on zeroth-order mode resonator metamaterial | |
| Ebrahimi-Ganjeh et al. | Study of water bolus effect on SAR penetration depth and effective field size for local hyperthermia | |
| CN103219567A (en) | Metamaterial mode converter | |
| Gupta et al. | Analysis of the SAR distributions in three-layered bio-media in direct contact with a water-loaded modified box-horn applicator | |
| Rajebi et al. | SAR enhancement of slot microstrip antenna by using silicon layer in hyperthermia applications | |
| CN107335147A (en) | A kind of surface wave energy coupling head suitable for microwave physical therapy | |
| RU2466758C1 (en) | Contact microwave applicator | |
| Suseela et al. | Breast cancer hyperthermia using a grid array applicator | |
| CN102247655B (en) | Energy accumulating rectangular waveguide radiator set | |
| Johnson et al. | A new type of lightweight low-frequency electromagnetic hyperthermia applicator | |
| CN102790275A (en) | Electromagnetic wave beam splitter | |
| CN202161692U (en) | Energy gathering rectangular waveguide radiator group | |
| KR101302814B1 (en) | Electromedical device for the non-invasive reduction or removal of subcutaneous adipose tissue | |
| CN116914448A (en) | Circular array antenna system for whole body thermotherapy | |
| CN103036028B (en) | A kind of electromagnetic horn | |
| Xiao et al. | Single-layer metasurface focusing lens for medical applications | |
| Drizdal et al. | Microstrip applicator for local hyperthermia | |
| CN113629402B (en) | Fan-shaped wave beam plane lens antenna | |
| Suseela | Investigations on the Use of Hyperthermia for Breast Cancer Treatment | |
| Andrey et al. | Methods and apparatus for microwave thermotherapy based on slow-wave systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |