CN110201314A - Radiotheraphy device - Google Patents
Radiotheraphy device Download PDFInfo
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- CN110201314A CN110201314A CN201910401631.7A CN201910401631A CN110201314A CN 110201314 A CN110201314 A CN 110201314A CN 201910401631 A CN201910401631 A CN 201910401631A CN 110201314 A CN110201314 A CN 110201314A
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- hollow structure
- rack
- bed board
- axial
- radiotheraphy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1077—Beam delivery systems
- A61N5/1081—Rotating beam systems with a specific mechanical construction, e.g. gantries
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The present invention provides a kind of radiotheraphy device, comprising: rack, middle part are formed with hollow structure；Therapeutic bed, the bed board including rack may move into or out can be around default axial-rotation；Curative component is set in hollow structure, including that can surround the axial-rotation of hollow structure along the treatment head of the axial movement of hollow structure；Radiotheraphy device includes first state and the second state, and when first state, bed board is at least partly moved to machine frame inside, and treatment head is moved to machine frame inside, to carry out radiotherapy to the patient being located on bed board；When the second state, the angle that bed board is moved to Shelf External and needs along default axial-rotation to treatment, treatment head is moved to Shelf External, to carry out radiotherapy to the patient being located on bed board.It is movable to the treatment head of Shelf External by being arranged, had both met the demand in therapeutic process to coplanar irradiation, when also meeting noncoplanar irradiation, to realize therapeutic bed multi-angle rotary, demand of the operator to bigger space.
Description
Technical field
This application involves radiotherapy technology field more particularly to a kind of radiotheraphy devices
Background technique
Radiotherapy, i.e. radiotherapy can use the focal area of the ionising radiation kill treatment object of radioactive ray generation
Tumour cell.Radiotherapy is one of the important means for the treatment of cancer, and the tumor patient more than half needs to receive radiotherapy.Wherein, it puts
Ray is generated by radiotherapy apparatus.Generally use X (γ) line, electric wire or proton radiation killing and injuring tumor cell.
The coplanar irradiation of conventional radiation therapy technology point and noncoplanar irradiation two major classes.Coplanar irradiation refers to all irradiation fields
Central axis is distributed in approximately the same plane, and noncoplanar irradiation refers to have one or more beam axis not in the plane
The case where.Noncoplanar irradiation may be implemented geometric space multi-angle, multi-radian irradiation, increase compared with coplanar irradiation more three-dimensional
The incident direction for having added the visual field jeopardizes that organ is highly beneficial for protection, and can improve the dosage distribution situation in target area,
It can preferably realize single-bolus high-dose fractionated irradiation.
Traditional mode is individually to carry out coplanar irradiation treatment and non-co-planar to patient using different radiotherapy apparatus at present
Irradiation treatment.But such problems is, needs a very large space that can accommodate these equipment simultaneously, occupies more sky
Between.In addition, patient needs to be then transferred to another equipment after completing treatment from a radiotherapy apparatus, need to spend longer control
Treat the time.
Summary of the invention
The purpose of the present invention is to provide a kind of radiotheraphy devices.
According to the radiotheraphy device of the embodiment of the present application, including rack, hollow structure is formed in the middle part of the rack；
Therapeutic bed, the therapeutic bed include the bed board that the rack may move into or out, and the bed board can be around default axis
To rotation；
Curative component is set in the hollow structure, and the curative component includes can be along the axial direction of the hollow structure
Mobile treatment head, the treatment head can surround the axial-rotation of the hollow structure；
The radiotheraphy device includes first state and the second state, when the radiotheraphy device is in first state, the bed
Plate is at least partly moved to the machine frame inside, and the treatment head is moved to the machine frame inside, on the bed board
Patient carry out radiotherapy；When the radiotheraphy device is in the second state, the bed board is moved to the Shelf External and edge
The angle that default axial-rotation is needed to treatment, the treatment head are moved to the Shelf External, on the bed board
Patient carry out radiotherapy.
Optionally, the radiotheraphy device further includes pedestal, and the rack is connect with the base rotation, and the rack can enclose
Around the axially opposing pedestal rotation of the hollow structure, the curative component is set to the inner wall of the rack.
Optionally, the radiotheraphy device further includes swivel bearing, the axial direction of the swivel bearing and the hollow structure
It is arranged in an axially parallel mode；The swivel bearing includes fixing end and the movable end with fixing end rotation connection, the fixing end
It is connect with the pedestal, the movable end is connect with the rack.
Optionally, the radiotheraphy device further includes driving device, and the driving device is set in the pedestal, for driving
Move the axial-rotation that the rack surrounds the hollow structure.
Optionally, the driving device is variable speed drive device, and the variable speed drive device can drive the machine
Frame is rotated at least two speed.
Optionally, the variable speed drive device includes the first drive mode and the second drive mode；
When the treatment head is moved in the rack, the variable speed drive device switches to the first drive mode, institute
Stating variable speed drive device drives the rack to rotate with First Speed；It is described when the treatment head is moved to outside the rack
Variable speed drive device switches to the second drive mode, and the variable speed drive device drives the rack to turn with second speed
Dynamic, the second speed is less than the First Speed.
Optionally, the variable speed drive device includes motor, gear assembly, chain wheel assembly, clutch apparatus and biography
Moving axis, the transmission shaft are connect with the rack；
When the variable speed drive device is in the first drive mode, the clutch apparatus switches the gear assembly
To with the motor and the transmission axis connection, gear assembly described in the motor driven is rotated with the First Speed；Institute
When stating variable speed drive device and being in the second drive mode, the clutch apparatus switches to the chain wheel assembly and the electricity
Machine and the transmission axis connection, chain wheel assembly described in the motor driven are rotated with the second speed.
Optionally, the curative component further includes moving assembly, and the moving assembly is set to the machine frame inside, described
Moving assembly is for realizing the treatment head along the axial movement of the hollow structure.
Optionally, the moving assembly includes carrier and guide rail, and the guide rail is axially set in along the hollow structure
The inner wall of the rack, the treatment head are set on the carrier, and the carrier is slidably connected with the guide rail, to realize
Treatment head is stated along the axial movement of the hollow structure.
Optionally, the guide rail is linear guide.
Optionally, the treatment head includes radiation source, suitable for sending out along the beam axis axially intersected with the hollow structure
Penetrate radiation beam.
Optionally, the therapeutic bed includes rotating mechanism, for driving bed board along default axial-rotation.
Optionally, the rotating mechanism includes that can be set to revolution along the rotary table of the default axial-rotation, the bed board
On disk.
Optionally, the therapeutic bed includes bed board support portion, and bed board support portion lower end is connect with the rotary table, institute
Bed board is stated to be movably arranged above the bed board support portion.
Optionally, the therapeutic bed includes translation mechanism, for driving bed board being moved axially into or removing along hollow structure
The hollow structure.
Optionally, the translation mechanism is lead screw assembly, and the lead screw assembly includes: screw rod and is threadedly connected to the spiral shell
The Coupling of bar, along the axial direction setting of the hollow structure, the Coupling is fixedly connected the screw rod with the bed board, described
Coupling drives the bed board along the axial movement of the hollow structure under the driving of the screw rod.
Optionally, the translation mechanism is rack and pinion assembly, and the rack and pinion assembly includes: that gear member and transmission connect
It is connected to the rack member of the gear member, the rack member, which is arranged and fixes with the bed board along the axial direction of the hollow structure, to be connected
It connects, the rack member drives the bed board along the axial movement of the hollow structure under the driving of the gear member.
Optionally, the translation mechanism is chain kit, and the chain kit includes: sliding tooth and is set around described
The chain of sliding tooth, the chain are arranged along the axial direction of the hollow structure and are fixedly connected with the bed board, and the chain exists
Drive the bed board along the axial movement of the hollow structure under the driving of the sliding tooth.
Optionally, the rack includes inner ring and the outer ring that is socketed on outside the inner ring, and the middle part of the inner ring is formed
There is the hollow structure；The inner ring can be set around the axially opposing outer ring rotation of the hollow structure, the treatment head
It is placed on the inside of the inner ring.
Radiotheraphy device provided by the present application, the treatment head of Shelf External is movable to by being arranged, and treatment head is located at rack
It can satisfy the Treatment need of coplanar irradiation when internal.When treatment head is moved to Shelf External, cooperation can be realized multi-angle rotation
The therapeutic bed turned, can satisfy the Treatment need of noncoplanar irradiation.Both the demand in therapeutic process to coplanar irradiation had been met,
When meeting noncoplanar irradiation, to realize therapeutic bed multi-angle rotary, demand of the operator to bigger space, and can be two
More rapidly switch between kind mode, to adapt to different application scenarios, have stronger practicability, improve therapeutic efficiency,
Reach better therapeutic effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the radiotheraphy device of an exemplary embodiment of the invention under use state.
Fig. 2 is structural schematic diagram of the radiotheraphy device of an exemplary embodiment of the invention under another use state.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
It is also intended in the application and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.
It should be appreciated that " first " " second " and similar word used in present specification and claims
It is not offered as any sequence, quantity or importance, and is used only to distinguish different component parts.Equally, "one" or
The similar word such as " one " does not indicate that quantity limits yet, but indicates that there are at least one.Unless otherwise noted, " front ", " after
The similar word such as portion ", " lower part " and/or " top " is not limited to a position or a kind of sky only to facilitate explanation
Between orient.The similar word such as " comprising " or "comprising" means to appear in element or object before " comprising " or "comprising"
Cover the element for appearing in " comprising " or "comprising" presented hereinafter or object and its equivalent, it is not excluded that other elements or
Object.
With reference to the accompanying drawing, the radiotheraphy device of the application embodiment is described in detail.In the feelings not conflicted
Under condition, the feature in following embodiment and embodiment can be complementary to one another or be combined with each other.
It please refers to shown in Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of radiotheraphy device 100, and radiotheraphy device 100 includes matching
Cover rack 10, therapeutic bed 20 and the curative component 30 being set in rack 10 of setting.
The middle part of rack 10 is formed with hollow structure 11, and in one embodiment, hollow structure 11 is the hole of both ends open,
Hollow structure 11 is parallel to the cross section of opening as circle.In other embodiments, the hollow structure 11 or one end
The hole of opening, opening are disposed in proximity to one end of therapeutic bed 20.In other embodiments, hollow structure 11 is parallel to the cross of opening
Section can also be ellipse or other shapes, can be arranged as the case may be.
Therapeutic bed 20 includes bed board 21, translation mechanism and rotating mechanism.Translation mechanism can be used for driving bed board 21 in
The axial a of hollow structure 11 is into and out hollow structure 11.Bed board 21 can also be used for around default axial direction b rotation, rotating mechanism
Driving bed board 21 is rotated along default axial direction b.It should be noted that the default axial direction b, refers to the radiotherapy in noncoplanar irradiation
Cheng Zhong is regulated and controled and the rotation angle for setting of following the doctor's advice and direction to reach best therapeutic effect by manipulator.
In the present embodiment, bed board 21 is rectangular panel body, and bed board 21 includes two first sides portion and two second sides
Portion, the length in first side portion are less than the length of second side edge, and the width in the first side portion of bed board 21 is less than hollow structure
The hole in the aperture of 11 hole, first side portion towards the hollow structure 11 of bed board 21 is arranged, and bed board 21 can be part or all of
Ground into and out rack 10 hollow structure 11,
Curative component 30 is set in hollow structure 11, and curative component 30 includes that can move along the axial a of hollow structure 11
Treatment head 31, treatment head 31 can around hollow structure 11 axial a rotate, treatment head 31 include radiation source 310, be suitable for along
The beam axis transmitting radiation beam intersected with the axial a of the hollow structure 11.
Radiotheraphy device 100 include first state and the second state, when radiotheraphy device 100 is in first state, bed board 21 to
Small part is moved to inside rack 10, and treatment head 31 is moved to inside rack 10, to put to the patient being located on bed board 21
Penetrate treatment.When radiotheraphy device 100 is in the second state, bed board 21 is moved to the outside of rack 10 and rotates along default axial direction b to controlling
The angle needed is treated, treatment head 31 is moved to outside rack 10, to carry out radiotherapy to the patient being located on bed board 21.
Radiotheraphy device provided by the embodiments of the present application is movable to the treatment head of Shelf External, treatment head position by being arranged
It can satisfy the Treatment need of coplanar irradiation when machine frame inside.When treatment head is moved to Shelf External, cooperation can be realized more
The therapeutic bed of angle rotation, can satisfy the Treatment need of noncoplanar irradiation.Both it had met in therapeutic process to coplanar irradiation
Demand, when also meeting noncoplanar irradiation, for realize therapeutic bed multi-angle rotary, demand of the operator to bigger space, and
It more can rapidly switch between both of which, to adapt to different application scenarios, have stronger practicability, raising is controlled
Curative effect rate reaches better therapeutic effect.
In an alternative embodiment, translation mechanism can be lead screw assembly, rack and pinion assembly, chain kit etc..Rotation
Rotation mechanism can be screw type rotary mechanism, cam-type rotating mechanism, crank-type rotating mechanism etc..In the following, being driven to translation mechanism
Dynamic bed board 21 is introduced along the axial a of hollow structure 11 into and out the implementation of hollow structure 11.It needs to illustrate
Be, translation mechanism drive bed board 21 along hollow structure 11 axial a into and out hollow structure 11 implementation and not only
It is limited to as described below several.
(1) translation mechanism driving bed board 21 is along the axial a of hollow structure 11 into and out the of hollow structure 11
A kind of implementation: translation mechanism is lead screw assembly, and lead screw assembly includes: screw rod, motor and spiral shell for driving screw turns
Line is connected to the Coupling of screw rod, and screw rod is arranged along the axial a of hollow structure 11, and Coupling is fixedly connected with bed board 21, described
Electric motor driven screw rotation, Coupling drive bed board 21 to move along the axial a of hollow structure 11 under the driving of screw rod.
(2) translation mechanism driving bed board 21 is along the axial a of hollow structure 11 into and out the of hollow structure 11
Two kinds of implementations: translation mechanism is rack and pinion assembly, and rack and pinion assembly includes: gear member, for driving gear member to turn
In the rack member of gear member, rack member is arranged along the axial a of hollow structure 11 and consolidates with bed board 21 dynamic motor and transmission connection
Fixed to connect, the rotation of gear member described in motor driven, rack member drives bed board 21 along hollow structure 11 under the driving of gear member
Axial a is mobile.
(3) translation mechanism driving bed board 21 is along the axial a of hollow structure 11 into and out the of hollow structure 11
Three kinds of implementations: translation mechanism is chain kit, chain kit include: the chain kit include: main sliding tooth,
Driven tooth, the motor for driving main sliding tooth rotation and the chain for being set around the main sliding tooth and driven tooth, chain edge
The axial a of hollow structure 11 is arranged and is fixedly connected with bed board 21, main sliding tooth rotation, the chain described in the motor driven
Bed board 21 is driven to move along the axial a of hollow structure 11 under the common driving of main sliding tooth and driven tooth.
In an alternative embodiment, rotating mechanism may include the rotary table 230 that can be rotated along default axial direction b, bed board 21
Change angle on rotary table 230, and with the rotation of rotary table 230, bed board 21 is driven by the rotation of rotary table 230
Rotation, to realize the demand for rotating angle in noncoplanar irradiation Patients During Radiotherapy to patient.
In another alternative embodiment, therapeutic bed 20 further includes bed board support portion 24,24 lower end of bed board support portion and revolution
Disk 230 connects, and bed board 21 is movably arranged at 24 top of bed board support portion, and rotary table 230 is able to drive bed board branch when rotating
Support part 24 and bed board 21 rotate together, to realize the demand for rotating angle in noncoplanar irradiation Patients During Radiotherapy to patient.Translation machine
Structure can be set on bed board support portion 24, with realize bed board 21 along hollow structure 11 axial a into and out hollow structure
11。
In an alternative embodiment, radiotheraphy device 100 can also include pedestal 40, and rack 10 and the pedestal 40 rotation connect
It connects, curative component 30 is set to the inner wall of rack 10.Rack 10 can be revolved around the axial a of hollow structure 11 with respect to pedestal 40
Turn, to drive the treatment head 31 of curative component 30 to rotate around the axial a of hollow structure 11.
In the present embodiment, radiotheraphy device 100 can also include swivel bearing 50 and driving device 60.Rack 10 passes through rotation
Shaft is held 50 and is rotatablely connected with pedestal 40, and driving device 60 is used to drive axial a of the rack 10 around hollow structure 11 bottom of with respect to
Seat 40 rotates, to realize that the treatment head 31 of curative component 30 is rotated around the axial a of hollow structure 11.
Rack 10 is rotatablely connected by swivel bearing 50 and pedestal 40, axial a and the hollow structure 11 of swivel bearing 50
Axial a is arranged in parallel, and swivel bearing 50 includes fixing end and the movable end with fixing end rotation connection, the fixation of swivel bearing 50
End is connect with pedestal 40, and the movable end of swivel bearing 50 is connect with rack 10, to realize that rack 10 and pedestal 40 are rotatablely connected.It can
With understanding, axial a of the swivel bearing 50 for realizing the rack 10 around the hollow structure 11 rotates.
In other embodiments, rack 10 may include inner ring and the outer ring that is socketed on outside inner ring, the middle part shape of inner ring
At there is hollow structure 11, treatment head 31 is set to the inside of inner ring.Inner ring can by driving device 60 (or other driving tie
Structure) it is rotated around the axial a of hollow structure 11 relative to outer ring, to drive the treatment head 31 of curative component 30 around hollow structure 11
Axial a rotation.It should be noted that the mode that the treatment head 31 of curative component 30 is rotated around the axial a of hollow structure 11
It is not limited to two ways described in above embodiments, the invention is not limited in this regard.
In an alternative embodiment, driving device 60 is set in pedestal 40, and radiotheraphy device 100 is in first state or
When two-state, driving device 60 drives axial a of the rack 10 by swivel bearing 50 relative to pedestal 40 around hollow structure 11
Rotation.Curative component 30 is set to the inner wall of rack 10, can be with rack 10 jointly around the opposite pedestal of the axial a of hollow structure 11
40 rotations, to carry out coplanar or non-co-planar radiotherapy to the patient being located on bed board 21.
In another alternative embodiment, driving device 60 is variable speed drive device 60, and variable speed drive device 60 can
Drive rack 10 with the rotation of at least two speed.
In an embodiment of the present invention, variable speed drive device 60 includes the first drive mode and the second drive mode.
When treatment head 31 is moved in rack 10, variable speed drive device 60 switches to the first drive mode, variable speed drive device 60
Driving rack 10 is rotated with First Speed.When treatment head 31 is moved to outside rack 10, variable speed drive device 60 switches to second
Drive mode, variable speed drive device 60 drive rack 10 to rotate with second speed, and second speed is less than First Speed.It can manage
Solution, when driving device 60 is in the first drive mode, First Speed is higher, and suitable for the clinical treatment of higher speed, increase is controlled
Curative effect rate.When driving device 60 is in the second drive mode, treatment head 31 is moved to outside rack 10, when presetting axial direction b adjustment, position
Be likely to occur in treatment head 31 outside rack 10 and accidentally touched with therapeutic bed 20, second speed is lower, can reduce radiotheraphy device 100 by
The damage arrived, the safety of patient can also be protected when having patient in therapeutic bed 20 by extending service using life.
Further, variable speed drive device 60 includes motor, gear assembly, chain wheel assembly, clutch apparatus and biography
Moving axis, transmission shaft are connect with rack 10.
When variable speed drive device 60 is in the first drive mode, clutch apparatus by gear assembly switch to and motor with
And transmission axis connection, motor-driven gear component are rotated with First Speed.Variable speed drive device 60 is in the second drive mode
When, clutch apparatus by chain wheel assembly switch to motor and transmission axis connection, motor-driven drive sprockets component is with second speed
Rotation.It should be understood that motor exports same power, the speed that motor-driven drive sprockets component drives transmission shaft to rotate should be
Less than the speed that motor-driven gear component drives transmission shaft rotation, therefore pass through clutch apparatus change gear component or chain
The connection of wheel assembly and motor, transmission shaft, to realize the switching of First Speed and second speed.
In an embodiment of the present invention, curative component 30 further includes moving assembly 32, and moving assembly 32 is set to rack
Inside 10, axial a of the moving assembly 32 for realizing treatment head 31 along hollow structure 11 is moved.
Further, moving assembly 32 includes carrier 320 and guide rail 321, and guide rail 321 is set along the axial a of hollow structure 11
It is placed in the inner wall of rack 10, treatment head 31 is set on carrier 320, and carrier 320 is slidably connected with guide rail 321, to realize treatment
First 31 move along the axial a of hollow structure 11, and then realize the operating position switching for the treatment of head 31.
In an alternative embodiment, guide rail 321 is linear guide.Certainly, in other embodiments, guide rail 321 can also be with
For other shapes, the application is not particularly limited this.
In other examples, carrier 320 can be fixedly connected with guide rail 321, can by motor driven linear guide, or
Person's cylinder driving linear guide or Driven by Hydraulic Cylinder linear guide are moved along the axial a of hollow structure 11, to realize treatment head
31 move along the axial a of hollow structure 11, and then realize the operating position switching for the treatment of head 31.
The above is only the preferred embodiment of the application, not does limitation in any form to the application, though
Right the application has been disclosed in a preferred embodiment above, however is not limited to the application, any technology people for being familiar with this profession
Member, in the range of not departing from technical scheme, when the technology contents using the disclosure above are modified or are repaired
Decorations are the equivalent embodiment of equivalent variations, but all contents without departing from technical scheme, the technology according to the application are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical scheme
It is interior.
Claims (19)
1. a kind of radiotheraphy device, which is characterized in that the radiotheraphy device includes:
Rack is formed with hollow structure in the middle part of the rack；
Therapeutic bed, the therapeutic bed include the bed board that the rack may move into or out, and the bed board can be around default axial rotation
Turn；
Curative component is set in the hollow structure, and the curative component includes can be along the axial movement of the hollow structure
Treatment head, the treatment head can surround the hollow structure axial-rotation；
The radiotheraphy device includes first state and the second state, and when the radiotheraphy device is in first state, the bed board is extremely
Small part is moved to the machine frame inside, and the treatment head is moved to the machine frame inside, to the trouble being located on the bed board
Person carries out radiotherapy；When the radiotheraphy device is in the second state, the bed board is moved to the Shelf External and along default
The angle that axial-rotation is needed to treatment, the treatment head are moved to the Shelf External, to the trouble being located on the bed board
Person carries out radiotherapy.
2. radiotheraphy device according to claim 1, which is characterized in that further include pedestal, the rack and the pedestal turn
Dynamic connection, the rack can be set to institute around the axially opposing pedestal rotation of the hollow structure, the curative component
State the inner wall of rack.
3. radiotheraphy device according to claim 2, which is characterized in that it further include swivel bearing, the axis of the swivel bearing
It is arranged in an axially parallel mode to the hollow structure；The swivel bearing includes fixing end and is rotatablely connected with the fixing end
Movable end, the fixing end are connect with the pedestal, and the movable end is connect with the rack.
4. radiotheraphy device according to claim 2, which is characterized in that it further include driving device, the driving device setting
In in the pedestal, for driving the rack to surround the axial-rotation of the hollow structure.
5. radiotheraphy device according to claim 4, which is characterized in that the driving device is variable speed drive device, institute
Stating variable speed drive device can drive the rack to rotate at least two speed.
6. radiotheraphy device according to claim 5, which is characterized in that the variable speed drive device includes the first driving mould
Formula and the second drive mode；
When the treatment head is moved in the rack, the variable speed drive device switches to the first drive mode, it is described can
Speed-changing driving device drives the rack to rotate with First Speed；It is described variable when the treatment head is moved to outside the rack
Fast driving device switches to the second drive mode, and the variable speed drive device drives the rack to rotate with second speed, institute
Second speed is stated less than the First Speed.
7. radiotheraphy device according to claim 6, which is characterized in that the variable speed drive device includes motor, gear
Component, chain wheel assembly, clutch apparatus and transmission shaft, the transmission shaft are connect with the rack；
When the variable speed drive device is in the first drive mode, the clutch apparatus by the gear assembly switch to
The motor and the transmission axis connection, gear assembly described in the motor driven are rotated with the First Speed；It is described can
When speed-changing driving device is in the second drive mode, the clutch apparatus by the chain wheel assembly switch to the motor with
And the transmission axis connection, chain wheel assembly described in the motor driven are rotated with the second speed.
8. radiotheraphy device according to claim 1, which is characterized in that the curative component further includes moving assembly, described
Moving assembly is set to the machine frame inside, and the moving assembly is for realizing the treatment head along the axial direction of the hollow structure
It is mobile.
9. radiotheraphy device according to claim 8, which is characterized in that the moving assembly includes carrier and guide rail, described
Along the inner wall for being axially set in the rack of the hollow structure, the treatment head is set on the carrier guide rail, described
Carrier is slidably connected with the guide rail, to realize the treatment head along the axial movement of the hollow structure.
10. radiotheraphy device according to claim 9, which is characterized in that the guide rail is linear guide.
11. radiotheraphy device according to claim 1, which is characterized in that the treatment head includes radiation source, be suitable for along with
The beam axis transmitting radiation beam of the hollow structure axially intersected.
12. radiotheraphy device according to claim 1, which is characterized in that the therapeutic bed includes rotating mechanism, for driving
Bed board is along default axial-rotation.
13. radiotheraphy device according to claim 12, which is characterized in that the rotating mechanism includes can be along the default axis
To the rotary table of rotation, the bed board is set on rotary table.
14. radiotheraphy device according to claim 13, which is characterized in that the therapeutic bed includes bed board support portion, described
Bed board support portion lower end is connect with the rotary table, and the bed board is movably arranged above the bed board support portion.
15. radiotheraphy device according to claim 1, which is characterized in that the therapeutic bed includes translation mechanism, for driving
Bed board is moved axially into or removes the hollow structure along hollow structure.
16. radiotheraphy device according to claim 15, which is characterized in that the translation mechanism is lead screw assembly, the silk
Thick stick component includes: screw rod and the Coupling for being threadedly connected to the screw rod, and the screw rod is arranged along the axial direction of the hollow structure,
The Coupling is fixedly connected with the bed board, and the Coupling drives the bed board in described under the driving of the screw rod
The axial movement of hollow structure.
17. radiotheraphy device according to claim 15, which is characterized in that the translation mechanism is rack and pinion assembly, institute
Stating rack and pinion assembly includes: gear member and transmission connection in the rack member of the gear member, and the rack member is along described hollow
The axial of structure is arranged and is fixedly connected with the bed board, and the rack member drives the bed board under the driving of the gear member
Along the axial movement of the hollow structure.
18. radiotheraphy device according to claim 15, which is characterized in that the translation mechanism is chain kit, described
Chain kit includes: sliding tooth and the chain for being set around the sliding tooth, and the chain is set along the axial direction of the hollow structure
It sets and is fixedly connected with the bed board, the chain drives the bed board along the hollow structure under the driving of the sliding tooth
Axial movement.
19. radiotheraphy device according to claim 1, which is characterized in that the rack includes inner ring and is socketed in described
Outer ring outside circle is formed with the hollow structure in the middle part of the inner ring；The inner ring can surround the axis of the hollow structure
It is rotated to relative to the outer ring, the treatment head is set on the inside of the inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401631.7A CN110201314B (en) | 2019-05-14 | 2019-05-14 | Radiotherapy device |
Applications Claiming Priority (1)
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| CN114053596A (en) * | 2020-08-04 | 2022-02-18 | 中国原子能科学研究院 | Rotary rack with replaceable treatment head |
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