CN106267587A - Collimator positioner assembly - Google Patents
Collimator positioner assembly Download PDFInfo
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- CN106267587A CN106267587A CN201610685640.XA CN201610685640A CN106267587A CN 106267587 A CN106267587 A CN 106267587A CN 201610685640 A CN201610685640 A CN 201610685640A CN 106267587 A CN106267587 A CN 106267587A
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- carrier
- positioner assembly
- collimator positioner
- collimation position
- collimation
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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
- A61N5/1042—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head
- A61N5/1045—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head using a multi-leaf collimator, e.g. for intensity modulated radiation therapy or IMRT
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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
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1075—Monitoring, verifying, controlling systems and methods for testing, calibrating, or quality assurance of the radiation treatment apparatus
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- 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)
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- Radiation-Therapy Devices (AREA)
Abstract
A kind of collimator positioner assembly, it is fixed on substrate, and collimator positioner assembly includes: driver；By the carrier of driver drives, carrier defines at least two collimation position that can be directed at beam, carrier is further defined with the groove that the cross section the most corresponding with at least two collimation position is generally V-shaped；And locked component, it includes the sleeve being fixed on substrate, the elastic component being arranged in sleeve and is put the actuated piece generally spherical in shape to expose with dividing from sleeve inner and abut on carrier by elastic component pressure；Wherein, when at least two collimation position of carrier and beacon alignment, the actuated piece of locked component is put in the groove corresponding with collimation position by elastic component pressure.
Description
Technical field
The present invention relates to field of medical device, in particular to clinac field, more particularly, to
Collimator positioner assembly on clinac and localization method.
Background technology
Accelerating tube, in clinac, needs in the range of radiation field size for the X-ray treating patient
Certain uniformity, uneven X-ray can increase skin dose, patient is produced harm.And clinac is actual
The Energy distribution of X-ray that produces is the most uneven, but in the angular range the least in incident direction of integrated distribution, does not meets
The clinical requirement to ray energy distribution.So the X-ray produced being carried out expansion with expansion device in linear accelerator.
The expansion device that the X-ray correspondingly-shaped of different-energy is different.For middle energy or high energy acclerator, it is desirable to provide some
The individual expansion device being suitable to different-energy is for you to choose.Need to be realized by mechanism the switching of expansion device in actual use, and need
The repetition concordance of expansion device position after ensureing to switch.
It addition, existing linear accelerator there is also electronic therapy pattern in addition to photon therapy pattern, therefore, it is suitable for
The expansion device that photon carries out expansion is not suitable for electronics.And, it is generally the case that it is not provided with expansion under electronic therapy pattern
Device and allow electronics directly to pass through collimator.
Summary of the invention
According to an aspect of the present invention, disclosing a kind of collimator positioner assembly, it is fixed on substrate, described collimation
Device positioning component includes: driver；By the carrier of described driver drives, described carrier defines and can be directed at beam at least
Two collimation positions, described carrier are further defined with the cross section the most corresponding with described at least two collimation position generally V-shaped
Groove；And locked component, it include the sleeve being fixed on described substrate, the elastic component being arranged in described sleeve and
The actuated piece generally spherical in shape to expose with dividing and abut on described carrier is put from described sleeve inner by described elastic component pressure；
Wherein, when at least two collimation position of described carrier and described beacon alignment, described locked component described
Actuated piece is put in the groove corresponding with described collimation position by described elastic component pressure.
Specifically, described driver is servomotor.
Specifically, described elastic component is spring.
Specifically, described actuated piece is spherical.More specifically, this actuated piece is steel ball.
Specifically, described at least two collimation position includes photon therapy collimation position or electronic therapy collimation position
Put.
Optionally, described at least two collimation position includes the first energy level collimation position and is different from the of the first energy level
Two energy level collimation positions.
Specifically, described groove has an entrance inclined-plane and exit inclined-plane, wherein, and described entrance inclined-plane and described exit inclined-plane
The cross section being collectively forming substantially forming V-shape, when at least two collimation position of described carrier and described beacon alignment,
The described actuated piece of described locked component is put engage described entrance inclined-plane respectively and exit inclined-plane by described elastic component pressure.
Optionally, described carrier is disc shape, and described carrier by described driver drives so that described load
Body is around its center rotating.
More specifically, described groove is limited on circumferential end faces or the radial end face of described carrier.
According to another aspect of the present invention, disclosing a kind of collimator positioner assembly, it is fixed on substrate, described standard
Straight device positioning component includes: driver；The carrier moved by described driver drives, described carrier defines can be directed at and penetrates
At least two collimation position of bundle；Position initialization assembly, it for setting the zero-bit of described carrier when described carrier movement；
Encoder, its first actual position information moved with the detection relative described zero-bit of described carrier with the coupling of described carrier；Position
Confirming assembly, it is for feeding back the second actual position information when a described carrier collimation position in office；Memorizer, its storage has
Location confirmation group described in first precalculated position information of the most described zero-bit of arbitrary collimation position and a collimation position in office
Unique second precalculated position information corresponding to part；And controller, it is couple to described driver, described encoder, institute
Rheme puts initialization component and described location confirmation assembly, for the first actual position information of detecting according to described encoder with
The controlling described driver with the first precalculated position information corresponding to collimation position to be positioned and drive of described memorizer storage
Dynamic described carrier until the detection of described encoder the first actual position information and the storage of described memorizer with standard to be positioned
Straight the first precalculated position information corresponding to position is consistent；And the second physical location according to described location confirmation assembly feedback
The storage of information and described memorizer with the second precalculated position information comparison corresponding to collimation position to be positioned to feed back school
Test information.
Specifically, described position initialization assembly includes the first element being couple to described substrate and is couple to described load
Second element of body, wherein, feeds back the zero signal of described carrier when described first element and the coupling of the second element.
More specifically, described first element is position initialization switch, described second element is for arranging on the carrier
Projection.
Specifically, described location confirmation assembly include one group of position switch and with described one group of position switch collimation in office
Many groups switch triggering part that position is the most corresponding, wherein, described position switch is fixed on described substrate, described switch triggering part
It is set on described carrier, and when described carrier movement, a collimation position in office, described position switch and described many groups
One group of switch triggering part feeds back the second actual position signal because of trigger event.
Specifically, described driver is servomotor.
Specifically, in described one group of position switch, the number of position switch is the number according to described collimation position and makes a reservation for
's.
Specifically, the number of the position switch in described one group of position switch is 3.
Specifically, described switch triggering part is the projection being arranged in described carrier.
Specifically, described carrier substantially disc shape, and described carrier by described driver drives so that institute
State carrier around its center rotating.More specifically, described projection is disposed in the circumferential end faces of described carrier.More specifically,
Described projection is radially outward prominent.
According to another aspect of the present invention, disclose the localization method of a kind of collimator positioner assembly, including: driver
Drive carrier movement so that described carrier movement initializes zero message to during specific location to controller feedback；According to described
First precalculated position information of the most described zero-bit of collimation position to be positioned on carrier and the coding coupled with described carrier
First actual position information of the most described zero-bit of described carrier of device feedback, controller controls to carry described in described driver drives
Body is until described first actual position information is consistent with described first precalculated position information；Location confirmation assembly feeds back it and detects
The second actual position information of described carrier；And according to described location confirmation assembly feedback the second actual position information with
The second precalculated position information comparison corresponding to collimation position to be positioned is with feedback check information.
Specifically, described check information includes when the second actual position information of described location confirmation assembly feedback is with undetermined
Position the second precalculated position information corresponding to collimation position consistent time confirmation signal and when described location confirmation assembly anti-
Self-locking when second actual position information of feedback is inconsistent with the second precalculated position information corresponding to collimation position to be positioned
Signal.
Specifically, described driver drives carrier movement is so that described carrier movement is to anti-to controller during specific location
Feedback initializes in zero message, and described initialization zero message is by the initialisation switch trigger member on described carrier and substrate
On position initialization switch triggering and produce.
Specifically, right with collimation position to be positioned institute when the second actual position information of described location confirmation assembly feedback
After the second precalculated position information answered is consistent, also include, the step described carrier locked by locked component.
In the collimator positioner assembly that the present invention provides, mechanically use springlock to position, design the most adjustable,
Control operation without additional electrical, and repetitive positioning accuracy is the highest.
In the collimator positioner assembly that the present invention provides, electrically using servomotor and encoder as a set of detection
Device, control disc carrier movement, to target collimation position, re-uses the reality of location confirmation component detection disc carrier
Positional information is with the precalculated position information contrast with pre-stored, and thereby, this target collimation position can be checked again, therefore, fixed
Position is relatively reliable.
Accompanying drawing explanation
Fig. 1 is the perspective view of the collimator positioner assembly of one embodiment of the present invention；
Fig. 2 is the perspective view of the disc carrier of the collimator positioner assembly of Fig. 1；
Fig. 3 is the top view of the disc carrier of Fig. 2；
Fig. 4 is the perspective view of the locked component of the collimator positioner assembly of Fig. 1；
Fig. 5 is the sectional view of the locked component of Fig. 4；
Fig. 6 is auxiliary positioning switch and the perspective view of position initialization switch of the collimator positioner assembly of Fig. 1；And
Fig. 7 is the localization method of the collimator positioner assembly according to one embodiment of the present invention.
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings to the present invention for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
Specific embodiment explain.
As it is shown in figure 1, Fig. 1 shows the perspective of the collimator positioner assembly 100 according to one embodiment of the present invention
Figure.This collimator positioner assembly 100 is fixed on substrate 200, and this collimator positioner assembly 100 includes: controller (not shown),
Driver 102, encoder 104, disc carrier 106, switch module 108 and locked component 110.Specifically, this disc
Carrier 106 is divided into upper and lower two parts, and top is divided into disc carrier element 106a.The core of disc carrier element 106a
It is provided with central through hole, around this central through hole, is disposed with hole, seven location, collimation position, Kong Weiyi, each location equably
Putting, these holes, location are the hole, location of substantially taper, the element that the size and shape in these holes, location is positioned as required
Type and specification can be different.Such as, these holes, location are had plenty of to collimate photon therapy beam, has plenty of
In order to collimate electronic therapy beam, moreover, it is also possible to arrange spy according to the difference of beam energy level in hole, specific location
Fixed collimating element.Here, it should be appreciated that hole, some location need not position concrete element in the inner, such as, for some
Electron beam therapy, can allow the beam from beam source directly pass through through hole.Lower part 106b of this disc carrier 106 straight
Footpath than disc carrier element 106a diameter is bigger but thickness that thickness is than disc carrier element 106a is little, in this lower part
The outer circumferential of 106b is disposed with tooth equably.Although it is not shown, it will be understood, however, that the lower part of this disc carrier 106
106b also defines hole and central through hole, location, and the hole, location of its shape and position and top 106a and the shape of central through hole
Shape and position correspond to each other.As it can be seen, upper part 106a of disc carrier 106 and lower part 106b are aligned with each other,
And by being rotatably fixed to together on the substrate 200 of lower section through the ball bearing of they central through holes.Driver 102 typical case
Ground is servomotor, and the output shaft of this servomotor is fixed with little gear, this little gear and the lower part of disc carrier 106
The tooth of 106b is meshed each other thus can pass through little gear band when servomotor receives and rotates from the signal of controller
Dynamic disc carrier 106 concomitant rotation.Encoder 104 is fixed on substrate 200, is also equipped with little gear outside it, this little tooth
Wheel is also meshed so that permissible when disc carrier 106 rotates each other with the tooth of lower part 106b of disc carrier 106
Drive pinion rotation thus encoder can to the turning collar counting number of little gear thus calculate the angle of rotation of disc carrier
Spend and feed back to controller.
Fig. 2 shows the perspective view of upper part 106a of disc carrier 106, and Fig. 3 shows the upper of disc carrier 106
The top view of part 106a, Fig. 6 shows auxiliary positioning switch and the position initialization switch of the collimator positioner assembly of Fig. 1
Perspective view.In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 6, switch module 108 includes that multiple position switch, multiple position switch are fixed to
On flat board 112, this flat board 112 is fixed on substrate 200 by post 114.Specifically, in this illustrative embodiments, position
Switch includes that position initialization switchs, SW0, and it characterizes and initializes zero-bit；This position switch additionally also includes three energy groups
Altogether to characterize the auxiliary positioning switch of particular location, they are SW1, SW2, SW3 respectively, and it is around disc carrier element
The top of 106a is sequentially arranged, and, in this illustrative embodiments, auxiliary positioning switch SW1 switchs with position initialization
SW0 is arranged in juxtaposition in the vertical direction.
Seeing Fig. 4 and Fig. 5, locked component 110 includes the pedestal 1102 being fixed on substrate 200 and is fixed to pedestal
Sleeve 1104 on 1102, wherein, is disposed with elastic component 1106 and the actuating offseted away by elastic component 1106 in sleeve 1104
Part 1108.As it can be seen, this elastic component 1106 is spring, this actuated piece 1108 is substantially spherical steel ball, and this steel ball
Number be two.
The position initialization signal of the position initialization switch SW0 in aforementioned location switch feeds back to controller, encoder
104 know the angle that this relative initial zero position of disc carrier 106 has been rotated by, the position that encoder 104 is fed back by controller
Information compares with predetermined target location, and when disc carrier 106 arrives target location, this disc carrier 106 should
This is locked by aforementioned locked component 110, and the auxiliary positioning switch detection in should being switched by aforementioned location when locking is concrete
Position verifies to feed back to controller.Therefore, this disc carrier 106 should be disposed with and position switch 108 and locking
The structure that assembly 110 is corresponding.Below, this structure of concrete narration.
Upper part 106a of this disc carrier 106, i.e. disc carrier element, its circumference annular end face is divided into up and down
Two parts, upper part is mainly used in coordinating aforementioned location switch 108 to carry out aided location detection, before lower part is mainly used in coordinating
State locked component 110 to be locked in particular locations.Specifically, in the upper part of circumference annular end face, it is divided into equally up and down
Two parts, in upper part, are provided with a projection as position initialization accordingly with the position of position initialization switch SW0
The switch triggering part of switch SW0, thus, when this disc carrier 106 rotates, this projection can be with aforesaid position initialization
Switch SW0 contact is so that position initialization switch puts 1；In lower part, being disposed with many group switch triggering parts at interval, often group is opened
Closing trigger member and include one or more projection, one or more is protruding one or more with what aided location detection switched
Correspond to each other, thus, when disc carrier 106 rotates, these one or more projections can be opened with corresponding aided location detection
Close contact and feed back to the switch Guan Bi situation that controller is concrete.
The lower part of upper part 106a of this disc carrier 106, compartment of terrain defines for the cause with locked component 110
The groove that moving part 1108 engages, in the exemplary embodiment, this groove is substantially v-shaped groove.Because in exemplary reality
The position executing the hole, seven location being arranged in mode on disc carrier 106 is uniform, i.e. angle between any two is phase
With, so, for groove, angle between any two is also identical.And, on the one hand, each groove is relative to position
Put initialisation switch and the angle of zero-bit that protruding P is limited be all specialization, on the other hand, with one or more projections with
And the particular location characterized by the aforementioned protruding specific auxiliary position switches triggered also is the most corresponding, in other words, work as table
When levying one or more projections of certain particular location with corresponding auxiliary positioning switch contact, the actuated piece of locked component 110 with
Corresponding particular groove engages.
More specifically, see Fig. 1, when this disc carrier 106 is in such as Fig. 1 location, locked component 110 with
Groove A engages, and because being not provided with the projection corresponding with auxiliary positioning switch SW1 on disc carrier 106, therefore auxiliary positioning is opened
Close SW1 be in opening, meanwhile, auxiliary positioning switch SW2, SW3 respectively with a projection contacts thus be in closed form
State, thus feedback signal 011 gives controller, wherein, 0 represent SW1 open signal, middle 1 closure signal representing SW2,
1 below represents the closure signal of SW3；See Fig. 3, engage with groove B when disc carrier 106 turns to locked component 110
Position time, only auxiliary positioning switch SW3 and a projection contacts of disc carrier 106 also close, thus feedback signal
001 gives controller；When disc carrier 106 turns to the position that locked component 110 engages with groove C, only auxiliary positioning
Switch a projection contacts of SW2 and disc carrier 106 and close, thus feedback signal 010 gives controller；When disc carries
When body 106 turns to the position that locked component 110 engages with groove D, only auxiliary positioning switch SW1 and disc carrier 106
A projection contacts and close, thus feedback signal 100 gives controller；When disc carrier 106 turns to locked component 110
During the position engaged with groove E, three auxiliary positioning switch SW1, SW2, SW3 respectively with a projection of disc carrier 106
Contact and close, thus feedback signal 111 gives controller；Connect with groove F when disc carrier 106 turns to locked component 110
During the position closed, two auxiliary positioning switch SW1, SW2 respectively with a projection contacts of disc carrier 106 closing, from
And feedback signal 110 gives controller；When disc carrier 106 turns to the position that locked component 110 engages with groove G, three
Individual auxiliary positioning switch SW1, SW3 respectively with a projection contacts of disc carrier 106 closing, thus feedback signal 101
To controller.Well known within the skill of those ordinarily skilled, 011,001,010,100,111,110,101 tables of above-mentioned feedback signal
The binary information levied is different, and when it is associated with the ad-hoc location of disc carrier, computer can be according to feedback
The binary information obtained is to determine the ad-hoc location residing for disc carrier.In memorizer, it is pre-stored with each Kong Weiyu
The corresponding relation of each feedback signal.
Understanding it addition, see Fig. 2, protruding P is arranged to contact so that this switch closes with position initialization switch SW0
Close, thus feed back initializing signal to controller, the position phase that initialized location engages with groove E with aforesaid locked assembly
Lucky 360 degree of difference.The setting position that it will appreciated by the skilled person that this projection P is not determinate, and it is permissible
At random being set to the upper part of the top 106a of this disc carrier 106, it can also set this disc in a arbitrary manner and carry
The bottom 106b of body 106 but need to avoid the actuated piece running route of locked component 110, however, it is also possible to understand, if this is convex
Play the location change of P, then the position of corresponding position initialization switch SW0 is also required to adjust.
Easy to understand, prestore each position, hole on this disc carrier in memorizer relative to initializing the concrete of zero-bit
Position relationship, such as, angle.
When running, it is assumed that when the position of Fig. 1 with the Kong Weiwei H1 from radiogenic beacon alignment, and according to beam
Situation, when requiring transformation into the hole position H2 adjacent with H1, first controller can drive 106 turns of this disc carrier by order-driven device
Dynamic also until position initialization switch SW0 contacts with protruding P thus obtains zero signal, in the process, encoder 104 is always
Calculate the turned angle of disc carrier 106 according to the number of turns that its pinion rotation is crossed and feed back to controller, working as controller
After obtaining zero signal, the output data of encoder 104 are also zeroed out.Controller order-driven device 102 continues to drive disc
Carrier 106, meanwhile, by the angle information between the zero-bit being pre-stored in memorizer and position, H2 hole and from encoder 104
The turned angle information of disc carrier 106 contrasts.At the rotation process of aforementioned zero and continue thereafter with to H2 hole
In the rotation process of position, the actuated piece 1108 of locked component 110 compresses circle due to the effect of the elastic force of elastic component 1106 always
The surface of disc-shaped carrier 106, and when running into groove, owing to the driving force of driver 102 is much larger than elastic component 1106 to recessed
The actuating power of groove, therefore the actuated piece 1108 of locked component 110 can enter and cross groove subsequently.When from encoder 104
The turned angle information of disc carrier 106 is close to the angle information between zero-bit and the position, H2 hole being pre-stored in memorizer
Especially when the actuated piece 1108 of locked component 110 comes into contact with the edge of v-depression, such as, corresponding to position, H2 hole
The center of groove differs only by 0.5 degree, and controller order-driven device 102 discharges (or removing) its driving force, now, locked component
The actuated piece 1108 of 110 stretches out to abut to this v-depression under the effect of elastic component 1106 from sleeve 1104 constantly
Inclined-plane, until this actuated piece 1108 can not the most protruding till.Under the effect of this actuated piece 1108, this disc carrier
106 in the case of the driving not having driver, rotate the least angle after be locked into position, hole H2.In this position, auxiliary is fixed
Projection contacts only corresponding with disc carrier 106 for switch SW3 in bit switch also closes thus to the feedback signal of controller
001.This feedback signal 001 is contrasted by controller with the feedback signal information 001 of answering being pre-stored in memorizer, and result is identical
, then confirm this position, H2 hole.If aforesaid actual feedback signal is not 001 but other signals, then comparing result is exactly not
With, then controller sends self-locking instruction, waits that attendant safeguards.
In an exemplary embodiment of the present invention embodiment, the projection on disc carrier is coordinated by 3 auxiliary position switches
Each particular location is determined, it being understood, however, that when the position, hole on disc carrier is more, can use more than 3
Auxiliary position switches coordinate the projection on disc carrier that each particular location is determined, it is understood that, work as disc
When position, hole on carrier is less, two auxiliary position switches can be used to coordinate the projection on disc carrier to each particular location
It is determined.
For groove into and out under the effect of driver, the actuated piece of locked component more preferably selects spherical, so
And, it will be understood that class is spherical, elliposoidal or the actuated piece with smooth curved surface shape, here, these class balls
Shape, elliposoidal or there is the shape of smooth curved surface shape all can be considered as the equivalency range of generally spherical shape.Equally
Ground, the groove shapes of V-arrangement is preferably, it being understood, however, that similar V-arrangement, have and enter inclined-plane and exit the groove on inclined-plane
It is all feasible.
It is also to be understood that the position, seven holes in exemplary embodiment of the invention can around centre bore unevenly
Arrangement.
In foregoing exemplary embodiment, position initialization switch and be arranged on carrier as switch triggering part
A projection together constitute position initialization assembly for set carrier zero-bit.However, it is also possible to understand, this position
Initialization component can also such as include the generating laser being fixed on substrate and and the laser pick-off that is fixed on carrier
Device forms, and is rotated by driver drives once carrier and is in ad-hoc location laser pickoff at carrier and just can receive
Feedback signal is sent and using this present position of carrier as zero-bit to controller when the laser of generating laser.This area is general
Logical technical staff can also complete position initialization by other means.
In foregoing exemplary embodiment, projection and room in many group switch triggering part often groups are to be disposed in carrier
Top and be cross direction profiles.However, it is to be appreciated that if this carrier is thicker, (that is, carrier has bigger circumferential end
Face), projection and the room of each group can be along being vertically arranged, and accordingly, three auxiliary position switches are along being vertically arranged in juxtaposition.
It addition, the v-depression engaged for the actuated piece of locked component can also be limited to the radial end face of this carrier, correspondingly,
It is appreciated that the layout of this locked component also has corresponding change.
In another embodiment, this carrier is not annular, for example, it may be rectangular shape, position, multiple hole
Can turn up the soil with uniform intervals or non-uniform spacing turns up the soil layout thereon；This carrier is not to be rotatably driven, but
Driven by such as servomotor orthoscopic ground is reciprocal, here, the rotation of servomotor output can be by such as rack-and-pinion etc.
Movement conversion mechanism is couple to carrier；In addition to these differences, position initialization switch, auxiliary position switches, memorizer, coding
Device, controller, groove all can be identical or essentially identical with the embodiment above described with the cooperation of locked component, this area
Those of ordinary skill above on the basis of be understandable.Therefore, according to the embodiment of this deformation, the present invention includes
Not only include above in detail narration with rotating manner to change collimator holes position time realize locking and the invention of position detection
Thought, and be also included within this simply narration with translational movement to change collimator holes position time realize locking and position detection
Invention thought.
It is also to be understood that in an exemplary embodiment of the present invention embodiment, using radiotherapy machine as the collimation of the present invention
The application scenario of device positioning component is described, it being understood, however, that the collimator positioner assembly of the present invention may apply to
Medical imaging and treatment in any occasion collimating switching.
Although present disclosure is as above, but the present invention is not limited to this.Any those skilled in the art, without departing from this
In the spirit and scope of invention, all can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Limit in the range of standard.
Claims (10)
1. a collimator positioner assembly, it is fixed on substrate, and described collimator positioner assembly includes:
Driver；
By the carrier of described driver drives, described carrier defines at least two collimation position that can be directed at beam, described
The groove that the cross section the most corresponding with described at least two collimation position is generally V-shaped it is further defined with on carrier；And
Locked component, it includes the sleeve being fixed on described substrate, the elastic component being arranged in described sleeve and described
Elastic component pressure puts the actuated piece generally spherical in shape to expose with dividing and abut on described carrier from described sleeve inner；
Wherein, when at least two collimation position of described carrier and described beacon alignment, described locked component
Described actuated piece is put in the groove corresponding with described collimation position by described elastic component pressure.
Collimator positioner assembly the most according to claim 1, wherein, described driver is servomotor.
Collimator positioner assembly the most according to claim 1, wherein, described elastic component is spring.
Collimator positioner assembly the most according to claim 1, wherein said actuated piece is spherical.
Collimator positioner assembly the most according to claim 4, wherein, described actuated piece is steel ball.
Collimator positioner assembly the most according to claim 1, wherein, described at least two collimation position includes photon therapy
With collimation position or electronic therapy collimation position.
Collimator positioner assembly the most according to claim 1, wherein, described at least two collimation position includes the first energy level
Collimation position and the second energy level collimation position being different from the first energy level.
Collimator positioner assembly the most according to claim 1, wherein, described groove has entrance inclined-plane and exits inclined-plane,
Wherein, described entrance inclined-plane and described exit the cross section substantially forming V-shape that inclined-plane is collectively forming, when at least two of described carrier is accurate
When in straight position one is with described beacon alignment, the described actuated piece of described locked component is put by described elastic component pressure with respectively
Engage described entrance inclined-plane and exit inclined-plane.
Collimator positioner assembly the most according to claim 1, wherein, described carrier is disc shape, and described load
Body by described driver drives so that described carrier is around its center rotating.
Collimator positioner assembly the most according to claim 9, wherein, described groove is limited at the circumference of described carrier
End face or radial end face.
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| CN201610685640.XA CN106267587B (en) | 2016-08-18 | 2016-08-18 | Collimator positioner component |
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| CN201610685640.XA CN106267587B (en) | 2016-08-18 | 2016-08-18 | Collimator positioner component |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655919A (en) * | 2017-09-11 | 2018-02-02 | 江苏天瑞仪器股份有限公司 | A kind of location structure for the more collimaters of X fluorescence spectrometer |
| CN109540940A (en) * | 2018-12-06 | 2019-03-29 | 中国兵器工业第五九研究所 | A kind of short wave length X-ray diffraction instrument and equipment and its collimator quick replacement device |
| JP2020518419A (en) * | 2017-05-05 | 2020-06-25 | ザップ サージカル システムズ， インコーポレイテッド | Swivel radiation collimator |
| WO2022170603A1 (en) * | 2021-02-10 | 2022-08-18 | 西安大医集团股份有限公司 | Radiotherapy device and control method therefor |
| US11826582B2 (en) | 2017-05-05 | 2023-11-28 | Zap Surgical Systems, Inc. | Revolving radiation collimator |
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| CN108401421B (en) | 2017-09-06 | 2022-12-20 | 睿谱外科系统股份有限公司 | Self-shielding integrated control radiosurgery system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020518419A (en) * | 2017-05-05 | 2020-06-25 | ザップ サージカル システムズ， インコーポレイテッド | Swivel radiation collimator |
| US11826582B2 (en) | 2017-05-05 | 2023-11-28 | Zap Surgical Systems, Inc. | Revolving radiation collimator |
| CN107655919A (en) * | 2017-09-11 | 2018-02-02 | 江苏天瑞仪器股份有限公司 | A kind of location structure for the more collimaters of X fluorescence spectrometer |
| CN107655919B (en) * | 2017-09-11 | 2020-04-03 | 江苏天瑞仪器股份有限公司 | Positioning structure for multiple collimators of X-ray fluorescence spectrometer |
| CN109540940A (en) * | 2018-12-06 | 2019-03-29 | 中国兵器工业第五九研究所 | A kind of short wave length X-ray diffraction instrument and equipment and its collimator quick replacement device |
| CN109540940B (en) * | 2018-12-06 | 2021-06-29 | 中国兵器工业第五九研究所 | Short wavelength X-ray diffraction instrument equipment and quick collimator replacing device thereof |
| WO2022170603A1 (en) * | 2021-02-10 | 2022-08-18 | 西安大医集团股份有限公司 | Radiotherapy device and control method therefor |
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