CN208756809U - Radiotherapy unit - Google Patents
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- CN208756809U CN208756809U CN201820637664.2U CN201820637664U CN208756809U CN 208756809 U CN208756809 U CN 208756809U CN 201820637664 U CN201820637664 U CN 201820637664U CN 208756809 U CN208756809 U CN 208756809U
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Abstract
本实用新型公开了一种放射治疗装置，属于医疗技术领域。所述放射治疗装置包括：放射治疗头，所述放射治疗头包括：电子加速器、偏转控制组件、准直器和靶材，所述偏转控制组件设置在所述电子加速器与所述准直器之间，所述准直器开设有准直孔，所述靶材设置在所述准直孔的入口处；所述偏转控制组件调整所述电子加速器发射的电子束的偏转角度，并将角度偏转后的电子束发射至所述靶材；所述靶材将发射至所述靶材上的电子束转换为X射线；所述准直器通过所述准直孔将所述X射线投射至目标。本实用新型解决了相关技术中X射线的利用率较低的问题。
The utility model discloses a radiation therapy device, which belongs to the technical field of medical treatment. The radiotherapy device includes: a radiotherapy head, the radiotherapy head includes: an electron accelerator, a deflection control assembly, a collimator and a target, and the deflection control assembly is arranged between the electron accelerator and the collimator. During the time, the collimator is provided with a collimation hole, and the target material is arranged at the entrance of the collimation hole; the deflection control component adjusts the deflection angle of the electron beam emitted by the electron accelerator, and deflects the angle The latter electron beam is emitted to the target material; the target material converts the electron beam emitted to the target material into X-rays; the collimator projects the X-rays to the target through the collimation hole . The utility model solves the problem of low utilization rate of X-rays in the related art.
Description
Technical field
The utility model relates to field of medical technology, in particular to a kind of radiotherapy unit.
Background technique
In modern medicine, radiotherapy is a kind of important means for treating tumour.Radiotherapy for radiotherapy
Equipment includes rack and radiotherapy head, and radiotherapy head generally comprises radioactive source and collimator, the ray that radioactive source issues
Tumor focus region is exposed to after collimator carries out beam shape, kills the tumour cell in tumor focus region.Wherein, radiation is controlled
It treats head to be arranged on the rack, the center position of rack is provided with the opening for accommodating therapeutic bed.
Current focusing radiation therapy technology includes using the gamma knife technology of cobalt -60 (Co60) radioactive source and using electronics
The X knife technology of accelerator.Since Co60 radioactive source has naturally radioactive, the radiation in installation, transport and replacement process
The problem of protection question and at any time activity decay always affects the development of gamma knife industry；Compared to gamma knife technology, X knife skill
Art will not generate any radiation, therefore mesh after the power supply of electron accelerator is cut off as radioactive source using electron accelerator
Preceding research and application to X knife technology is increasingly extensive.
In the related technology, radiotherapy head used by X knife technology generally include: electron accelerator, tof tube, target and
The outlet port of tof tube is arranged in single hole collimator, target.Radiation therapy process generally comprises: being emitted by electron accelerator
Electron beam, electron beam are radiated on target after transmitting in tof tube, and electron beam is converted X-ray, single hole collimator by target
Beam shape is carried out to the X-ray entered inside single hole collimator, the x-ray bombardment after beam shape is to tumor focus region, to kill
The tumour cell in dead tumor focus region.
But after being radiated on target due to the electron beam of electron accelerator transmitting, the X that electron beam is converted by target is penetrated
Line is divergent, and diverging area when X-ray reaches single hole collimator is much larger than the inlet area of single hole collimator, therefore
The utilization rate of X-ray is lower in the related technology.
Utility model content
The utility model embodiment provides a kind of radiotherapy unit, can solve the utilization of X-ray in the related technology
The lower problem of rate.The technical solution is as follows:
A kind of radiotherapy unit is provided, the radiotherapy unit includes: radiotherapy head, the radiotherapy head
It include: electron accelerator, deflection control assembly, collimator and target, the deflection control assembly setting accelerates in the electronics
Between device and the collimator, the collimator offers collimating aperture, and the inlet of the collimating aperture is arranged in the target；
The deflection control assembly adjusts the deflection angle of the electron beam of electron accelerator transmitting, and by angular deflection
Electron beam afterwards emits to the target；
The target, which will emit to the electron beam on the target, is converted to X-ray；
The X-ray is projected to target by the collimating aperture by the collimator.
Optionally, the collimator includes at least one collimating aperture group, and each collimating aperture group includes multiple collimating apertures；
The deflection control assembly adjusts the deflection angle of the electron beam of the electron accelerator transmitting, makes the electron beam
The successively target of the inlet of multiple collimating apertures in bombing target collimating aperture group, the target collimating aperture group are described at least one
One in a collimating aperture group.
Optionally, the aperture of the collimating aperture in each collimating aperture group is identical, the collimating aperture in different collimating aperture groups
Aperture is different.
Optionally, the collimator is arc focusing collimator.
Optionally, the radiotherapy unit further include: rotary frame；
The radiotherapy head is arranged on the rotary frame, and the rotary frame is able to drive the radiotherapy head
Rotary shaft around the rotary frame rotates.
Optionally, multiple collimating apertures in each collimating aperture group are arranged along the extending direction of the rotary shaft；
And/or the radiotherapy head can be moved along the extending direction of the rotary shaft.
Optionally, the deflection control assembly is fixedly installed relative to the rotary frame.
Optionally, the deflection control assembly includes: the electromagnet being oppositely arranged；
The electromagnet being oppositely arranged is used to form magnetic deflection field, and the magnetic deflection field is set relatively for adjusting from described
The deflection angle of the electron beam passed through between the electromagnet set.
Optionally, the deflection control assembly further include: focus magnet；
For the focus magnet for being focused processing to the electron beam after deflection, the electron beam after making focus processing is vertical
Bombard target.
It optionally, is the pencil X-ray beam of megavolt grade by the X-ray of the collimating aperture.
Technical solution bring beneficial effect provided by the embodiment of the utility model includes:
Radiotherapy unit provided by the embodiment of the utility model, since target to be arranged in the inlet of collimating aperture, electricity
After the beam bombardment that sub- accelerator issues is on target, electron beam is converted to X-ray by target, and X-ray can be directly from standard
The entrance of straight hole enters in collimating aperture, compared with the relevant technologies, largely increases the number into the X-ray in collimating aperture
Amount, therefore improve the utilization rate of X-ray；And be fixed on the rack since deflection control assembly can be, convenient for control
The deflection angle of system deflection control assembly adjustment electron beam, can be realized without the mechanical deflection by radiotherapy head and penetrates to X
The adjustment of the angle of line, so that the focusing accuracy of X-ray not will receive the limitation of the mechanical movement precision of radiotherapy head, effectively
Ground improves when being irradiated to target, focusing accuracy of the X-ray in target, and is easy to implement noncoplanar irradiation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of radiotherapy unit provided by the embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram of radiotherapy head provided by the embodiment of the utility model；
Fig. 3 is a kind of structural schematic diagram of collimator provided by the embodiment of the utility model.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The utility model embodiment provides a kind of structural schematic diagram of radiotherapy unit, as shown in Figure 1, the radiation is controlled
Treat device include: radiotherapy head 00, with continued reference to FIG. 2, the radiotherapy head 00 may include: electron accelerator 001, partially
Turn control assembly 002, collimator 003 and target 004, deflection control assembly 002 is arranged in electron accelerator 001 and collimator
Between 003, which offers collimating aperture, and the inlet of collimating aperture is arranged in target 004.
The deflection control assembly 002 adjusts the deflection angle for the electron beam that electron accelerator 001 emits, and by angular deflection
Electron beam afterwards emits to target 004.
The target 004, which will emit to the electron beam on target 004, is converted to X-ray.Exemplary, target can be gold or tungsten
Equal materials.
X-ray is projected to target by collimating aperture by the collimator 003.
Wherein, above-mentioned target is tumor focus target, for example, target can be the tumor targets or tumor target of patient.
In conclusion radiotherapy unit provided by the embodiment of the utility model, since collimating aperture is arranged in target
Inlet, after the beam bombardment that electron accelerator issues is on target, electron beam is converted to X-ray by target, and X-ray can
Directly enter in collimating aperture from the entrance of collimating aperture, compared with the relevant technologies, largely increases into the X in collimating aperture
The quantity of ray, therefore improve the utilization rate of X-ray.
Optionally, as shown in Fig. 2, collimator 003 may include at least one collimating aperture group, for example, collimator 003 can be with
Including 5 collimating aperture groups (M1~M5), each collimating aperture group includes multiple collimating apertures.Correspondingly, the inlet of each collimating aperture
It can be correspondingly arranged on one piece of target, for example, each collimating aperture group includes 5 collimating apertures, then each collimating aperture group is correspondingly arranged 5
Block target.Wherein, deflection control assembly 002 adjust electron accelerator 001 emit electron beam deflection angle, make electron beam according to
The target of the inlet of multiple collimating apertures in secondary bombing target collimating aperture group, target collimating aperture group are at least one collimating aperture group
In one.In this way, by adjusting the deflection angle of electron beam, so that it may using the collimator with multiple collimating apertures to target
It is focused irradiation.
Optionally, collimator provided by the embodiment of the utility model can be arc focusing collimator.Certainly, for focusing
The shape of the collimator of irradiation may be cuboid etc..
Exemplary, Fig. 3 is a kind of structural schematic diagram of collimator provided by the embodiment of the utility model, as shown in figure 3, should
Collimator includes 5 collimating aperture groups (M1~M5), and the aperture of the collimating aperture in each collimating aperture group is identical, in different collimating aperture groups
Collimating aperture aperture it is different.It should be noted that multiple collimating aperture groups are arranged, and make collimating aperture in different collimating aperture groups
Aperture is different, the irradiation treatment for different size of target may be implemented, for example, the lesser collimating aperture group in aperture can be chosen
Accurate irradiation treatment is carried out to little tumour, the biggish collimating aperture group in aperture can be chosen, treatment is irradiated to larger tumour, is selected
The collimating aperture group taken can determine that the utility model embodiment does not limit this according to actual needs.
Exemplary, the aperture in different collimating aperture groups may include 5 millimeters, 8 millimeters, 15 millimeters, 20 millimeters and 35 millimeters
At least one of.
Optionally, the position of the deflection angle of electron beam and multiple collimating apertures corresponds, and deflection control assembly 002 adjusts
The realization process of the deflection angle of electron beam may include: that deflection control assembly 002 receives target angle of deflection, and electronics is added
The deflection angle for the electron beam that fast device 001 emits is adjusted to target angle of deflection, wherein target angle of deflection is to need electronics
The angle that the deflection angle of beam is adjusted to, and the target angle of deflection is that deflection control assembly 002 can be by deflection of a beam of electrons extremely
Multiple adjustable deflection angles in one.
Further, as shown in Figure 1, radiotherapy unit can also include: rotary frame 01, radiotherapy head 00 is arranged
On rotary frame 01, which is able to drive radiotherapy head 00 and rotates around the rotary shaft of rotary frame 01.
Rotary frame 01 has central opening, central opening for accommodating therapeutic bed 02, the extending direction of therapeutic bed 02 with
Direction where the rotary shaft of rotary frame 01 is parallel.
Optionally, rotary frame 01 can be annular framework, such as can choose the centers precision such as rotation less than 0.5 millimeter
High-precision annular framework or rotary frame 01 or C arm machine frame, the utility model embodiment is to rotary frame
Type is without limitation.
Optionally, referring to figs. 1 and 2, the direction array arrangement of rotary shaft of multiple collimating aperture groups along rotary frame,
The extending direction of rotary shaft of multiple collimating apertures along rotary frame in each collimating aperture group is arranged, wherein as shown in Fig. 2, every
The geometric center line of the outlet of multiple collimating apertures in a collimating aperture group can be arc-shaped, and the center of circle of the arc is with target P's
Center is overlapped, namely is overlapped with the intersection point of multiple X-rays.
It should be noted that the extension side of the rotary shaft due to multiple collimating apertures in each collimating aperture group along rotary frame
To arrangement, in the case where rotary frame rotation, so that it may the noncoplanar irradiation to target is realized, to reduce to normal group
The damage knitted, and in the utility model embodiment, in the irradiation process to target, it is not necessarily to Mobile treatment table, can be realized
Noncoplanar irradiation treatment is carried out to target, convenient for guaranteeing treatment precision；In addition, launched field can be improved using the collimator focused
The sharp keen degree at edge, launched field refer to the region that X-ray is irradiated.
Optionally, radiotherapy head can be moved along the extending direction of rotary shaft.Wherein, radiotherapy head can be set
Along the arc-shaped guide rail of the extending direction setting of the rotary shaft of rotary frame, the center of circle of the arc-shaped guide rail and the center weight of target
It closes, when the arcuately extending direction movement of guide rail of radiotherapy head, in the case where being not necessarily to Mobile treatment table, may be implemented more
To the noncoplanar irradiation of target on a direction, to reduce the damage of normal tissue.
Wherein, deflection control assembly is fixedly installed relative to rotary frame.Deflecting control assembly 002 may include that signal connects
Receive element, electric current loading element and the electromagnet being oppositely arranged, after signal receiving element receives target angle of deflection, electric current
Loading element can load electric current of corresponding size to electromagnet according to the target angle of deflection, and the electromagnet being oppositely arranged is used for shape
At magnetic deflection field, to adjust the deflection angle from the electron beam passed through between the electromagnet being oppositely arranged by magnetic deflection field, from
And the deflection angle of electron beam is made to be adjusted to target angle of deflection under the action of magnetic deflection field.
Optionally, according to different tumours the characteristics of, deflection control assembly can be made by the deflection angle of control electron beam
Electron beam is distributed the target of the inlet of multiple collimating apertures in successively bombing target collimating aperture group according to the regular hour, such as
The time of each collimating aperture in beam bombardment target collimating aperture group can be made identical, so that according to different non-co-planar angles
The time for being irradiated treatment to target is identical, reduces the damage of normal tissue.Wherein, non-co-planar angle refers to goes out from collimator
Angle between the Plane of rotation of the X-ray and rotary frame penetrated.
Exemplary, radiotherapy unit shown in FIG. 1 may include: to the course of work of radiotherapy unit
Before being irradiated treatment to target, according to the size of the target P in therapeutic bed 02, the mesh in corresponding aperture is selected
Standard straight hole group, according to the determination of the positional relationship of multiple collimating apertures and electron accelerator and the one-to-one deflection angle of collimating aperture
Degree, and establish the position of collimating aperture and the corresponding relationship of deflection angle；According to the position of target, the position of therapeutic bed is adjusted.?
During being irradiated treatment to target, electron accelerator generates electron beam, according to the position of collimating aperture and deflection angle
Corresponding relationship is adjusted the deflection angle of electron beam by deflection control assembly, bombards electron beam successively according to sequential relationship more
The target of the inlet of a collimating aperture, collimating aperture in collimating aperture group lead to along the extending direction setting of the rotary shaft of rotary frame
The rotation for crossing rotary frame 01 drives radiotherapy head 00 to rotate using rotary shaft as the center of circle around rotary shaft, and controls radiotherapy
First 00 arcuately guide rail movement, realizes that multiple non-co-planar angles are irradiated treatment to tumour.
From the course of work of the radiotherapy unit it is found that during being irradiated treatment to tumour, by collimating aperture
Collimating aperture in group is arranged along the extending direction of the rotary shaft of rotary frame, and/or, radiotherapy head is controlled along rotary shaft side
When being moved on the arc-shaped guide rail of setting, when rotary frame rotation, so that it may realize from different non-co-planar angles to tumour
Irradiation treatment, to reduce the damage of normal tissue.
In practical application, radiotherapy unit can also include multiple row ionisation chamber, which can be set in standard
The lower section of straight device carries out real-time monitoring for the intensity to X-ray.
Radiotherapy unit provided by the embodiment of the utility model can also be penetrated with other mountable X on the rotating gantry
Line accelerator uses simultaneously, to meet diversified Treatment need.
Further, deflection control assembly can also include: focus magnet；Focus magnet is used for the electron beam after deflection
It is focused processing, the electron beam after making focus processing vertically bombards target.Since the electron beam of electron accelerator outgoing exists
Focus magnet can be arranged close to the position of collimator in deflection control assembly in the problem that intermediate energy is high, peripheral energy is low,
The focus magnet may include at least one energization solenoid, use the power on that both ends magnetic field outside solenoid is strong, neutral magnetic field
Weak feature gathers electron beam to the central area of target, is the plane of incidence perpendicular to target by deflection of a beam of electrons, and make
Electron beam becomes the electron beam of divergence-free, guarantees the energy one for bombarding the electron beam of the target of the inlet of each collimating aperture
It causes, to realize that the energy of the X-ray from each collimating aperture to objective emission is identical, homogenizes to the normal tissue around target
The dose of radiation of organ reduces the damage of normal tissue.
It should be noted that deflection and focus processing by deflection control assembly to electron beam, can make electron beam
It is focused to the electronic pen pencil of forms of the diameter less than 3 millimeters, the electronic pen pencil of forms bombards on corresponding target, and target is by the electronic pen pencil of forms
After being converted to X-ray, X-ray can form pencil X-ray beam after the collimating aperture in collimator, that is, pass through the X of collimating aperture
Ray is the pencil X-ray beam of megavolt grade, and the focused spot diameter range of the pencil X-ray beam of generation is 3~5 millimeters.
Optionally, electron accelerator may include linear accelerator (also referred to as straight line resonant mode accelerator) and cyclotron
At least one of (also referred to as cyclotron resonance formula accelerator).Wherein, electron accelerator includes accelerating tube, and accelerating tube is used for entrance
The electron beam of accelerating tube is accelerated.Wherein, accelerating tube can be travelling wave accelerating tube or resident wave accelerating pipe.
Optionally, the energy for the electron beam that electron accelerator generates is 2~8 million electro-volts；The average energy of X-ray is
0.6~3 million electro-volt.Since the electron beam that electron accelerator generates can produce the X-ray of megavolt grade, it is higher than gamma knife technology
The energy of X-ray caused by the radioactive source of use, it is more advantageous for the oncotherapy of deep position, and treating certain tumour institute
In the case that the dose of radiation needed is definite value, the X-ray of high dose can shorten the time of oncotherapy, reduce in therapeutic process
Unstability caused by organ movement；In addition, the X-ray of high dose is the treatment aperture for increasing treatment space, realizing large aperture
And realize that bigger non-co-planar rotation angle provides possibility.
In conclusion radiotherapy unit provided by the embodiment of the utility model, since collimating aperture is arranged in target
Inlet, after the beam bombardment that electron accelerator issues is on target, electron beam is converted to X-ray by target, and X-ray can
Directly enter in collimating aperture from the entrance of collimating aperture, compared with the relevant technologies, largely increases into the X in collimating aperture
The quantity of ray, therefore improve the utilization rate of X-ray；And since deflection control assembly is fixedly disposed on rotary frame
, convenient for the deflection angle of control deflection control assembly adjustment electron beam, without the mechanical deflection by radiotherapy head
The adjustment to the angle of X-ray is realized, so that the focusing accuracy of X-ray not will receive the mechanical movement precision of radiotherapy head
Limitation effectively improves when being irradiated to target, focusing accuracy of the X-ray in target, and is easy to implement non-co-planar photograph
It penetrates；Further, on the basis of radiotherapy head is rotated along rotary shaft, multiple collimating apertures in each collimating aperture group are along rotation
The extending direction of axis is arranged, and/or, arcuately guide rail is axially moved control radiotherapy head, without the same of Mobile treatment table
When, bigger non-co-planar angle may be implemented, and then reduce the damage of normal tissue.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely the alternative embodiments of the utility model, are not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of radiotherapy unit, which is characterized in that the radiotherapy unit includes: radiotherapy head, and the radiation is controlled
Treating head includes: that electron accelerator, deflection control assembly, collimator and target, the deflection control assembly are arranged in the electronics
Between accelerator and the collimator, the collimator offers collimating aperture, and the entrance of the collimating aperture is arranged in the target
Place；
The deflection control assembly adjusts the deflection angle of the electron beam of the electron accelerator transmitting, and will be after angular deflection
Electron beam emits to the target；
The target, which will emit to the electron beam on the target, is converted to X-ray；
The X-ray is projected to target by the collimating aperture by the collimator.
2. radiotherapy unit according to claim 1, which is characterized in that the collimator includes at least one collimating aperture
Group, each collimating aperture group includes multiple collimating apertures；
The deflection control assembly adjusts the deflection angle of the electron beam of the electron accelerator transmitting, makes the electron beam successively
The target of the inlet of multiple collimating apertures in bombing target collimating aperture group, the target collimating aperture group are at least one described standard
One in straight hole group.
3. radiotherapy unit according to claim 2, which is characterized in that collimating aperture in each collimating aperture group
Aperture is identical, and the aperture of the collimating aperture in different collimating aperture groups is different.
4. radiotherapy unit according to claim 2, which is characterized in that the collimator is arc focusing collimator.
5. according to any radiotherapy unit of claim 2 to 4, which is characterized in that the radiotherapy unit also wraps
It includes: rotary frame；
The radiotherapy head is arranged on the rotary frame, the rotary frame be able to drive the radiotherapy head circumference around
The rotary shaft of the rotary frame rotates.
6. radiotherapy unit according to claim 5, which is characterized in that multiple collimations in each collimating aperture group
It arranges along the extending direction of the rotary shaft in hole；
And/or the radiotherapy head can be moved along the extending direction of the rotary shaft.
7. radiotherapy unit according to claim 5, which is characterized in that the deflection control assembly is relative to the rotation
Frame of making a connection is fixedly installed.
8. radiotherapy unit according to claim 1, which is characterized in that the deflection control assembly includes: opposite sets
The electromagnet set；
The electromagnet being oppositely arranged is used to form magnetic deflection field, and the magnetic deflection field is used to adjusting to be oppositely arranged from described
The deflection angle of the electron beam passed through between electromagnet.
9. radiotherapy unit according to claim 8, which is characterized in that the deflection control assembly further include: focus
Magnet；
For being focused processing to the electron beam after deflection, the electron beam after making focus processing vertically bombards the focus magnet
Target.
10. radiotherapy unit according to claim 1, which is characterized in that the X-ray by the collimating aperture is megavolt
The pencil X-ray beam of grade.
Priority Applications (1)
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| CN201820637664.2U CN208756809U (en) | 2018-04-28 | 2018-04-28 | Radiotherapy unit |
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| CN201820637664.2U CN208756809U (en) | 2018-04-28 | 2018-04-28 | Radiotherapy unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478941A (en) * | 2018-04-28 | 2018-09-04 | 西安大医数码科技有限公司 | Radiotherapy unit |
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2018
- 2018-04-28 CN CN201820637664.2U patent/CN208756809U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478941A (en) * | 2018-04-28 | 2018-09-04 | 西安大医数码科技有限公司 | Radiotherapy unit |
| WO2019205924A1 (en) * | 2018-04-28 | 2019-10-31 | 西安大医集团有限公司 | Radiation therapy head and radiation therapy apparatus |
| CN108478941B (en) * | 2018-04-28 | 2021-04-27 | 西安大医集团股份有限公司 | radiotherapy device |
| US12036424B2 (en) | 2018-04-28 | 2024-07-16 | Our United Corporation | Radiation therapy head and radiation therapy apparatus |
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Address after: 710018 Xi'an Economic and Technological Development Zone, Shaanxi Province, No.66, Fengcheng 12 Road, No.28 Building, International City Business Center, Unit 1, Floor 3, Room 10301 Co-patentee after: Shenzhen Aowo Medical New Technology Development Co.,Ltd. Patentee after: Xi'an Dayi Group Co.,Ltd. Address before: 710018 Xi'an Economic and Technological Development Zone, Shaanxi Province, No.66, Fengcheng 12 Road, No.28 Building, International City Business Center, Unit 1, Floor 3, Room 10301 Co-patentee before: Shenzhen Aowo Medical New Technology Development Co.,Ltd. Patentee before: CYBERMED RADIOTHERAPY TECHNOLOGIES Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 710018 Xi'an Economic and Technological Development Zone, Shaanxi Province, No.66, Fengcheng 12 Road, No.28 Building, International City Business Center, Unit 1, Floor 3, Room 10301 Co-patentee after: Shenzhen Aowo Medical New Technology Development Co.,Ltd. Patentee after: CYBERMED RADIOTHERAPY TECHNOLOGIES Co.,Ltd. Address before: Weiyang District of Fengcheng city of Xi'an province Shaanxi twelve road 710018 No. 66 first city business center No. 28 Building 1 unit 17 Co-patentee before: Shenzhen Aowo Medical New Technology Development Co.,Ltd. Patentee before: CYBERMED RADIOTHERAPY TECHNOLOGIES Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 710018 Room 10301, Unit 1, Unit 3, Floor 1, Building 28, Pioneer International City Business Center, 66 Fengcheng 12 Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: Xi'an Dayi Group Co.,Ltd. Country or region after: China Patentee after: Shenzhen Dayi Gamma Knife Technology Co.,Ltd. Address before: 710018 Room 10301, Unit 1, Unit 3, Floor 1, Building 28, Pioneer International City Business Center, 66 Fengcheng 12 Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee before: Xi'an Dayi Group Co.,Ltd. Country or region before: China Patentee before: Shenzhen Aowo Medical New Technology Development Co.,Ltd. |