CN107510898A - Light field, Beam's eye view device and the verification method of Medical Devices - Google Patents
Light field, Beam's eye view device and the verification method of Medical Devices Download PDFInfo
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- CN107510898A CN107510898A CN201710940471.4A CN201710940471A CN107510898A CN 107510898 A CN107510898 A CN 107510898A CN 201710940471 A CN201710940471 A CN 201710940471A CN 107510898 A CN107510898 A CN 107510898A
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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
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
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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
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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
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
- A61N2005/1054—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using a portal imaging system
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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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Abstract
The present invention relates to the calibrating installation technical field of Medical Devices, more particularly to a kind of light field of Medical Devices, Beam's eye view device, including：Support, launched field detection plate and power source；Launched field detection plate is rotatably arranged on support；Power source is connected with launched field detection plate, for driving launched field detection plate to rotate predetermined angle；Launched field detection plate can receive the light that the treatment head in the frame by Medical Devices sends and ray to form light field and launched field respectively.The light field of the Medical Devices, Beam's eye view device, individually the light field to treatment head and launched field uniformity it can verify.In use, the checking device can be positioned in the therapeutic bed of Medical Devices, while change the position of launched field detection plate according to the position correspondence for the treatment of head, you can realize frame in the light field of Difference angles, the consistency checking of launched field.The device is simple to operate, easy to use, is greatly improved Medical Devices light field, the efficiency of launched field consistency checking.
Description
Technical field
The present invention relates to the calibrating installation technical field of Medical Devices, more particularly to a kind of light field of Medical Devices, penetrates
Open country checking device and verification method.
Background technology
Radiodiagnosis therapeutic equipment is the Medical Devices being widely used at present.Such as conventional ray irradiation treatment needs
The irradiation field that X ray is produced at a certain distance from x-ray source is left, to be carried out to the tumour of patient's body a certain size and shape
Radiotherapy.Irradiation field is also known as launched field, refers to that beam is waiting the projection of central plane, says it is beam centre region exactly
50% region defined of dose intensity.The profile of irradiation field represents the scope of radiation, if the scope of radiation and expectation
The scope of irradiation is inconsistent, and the part that can make target area has is missed irradiation, and the serious is can also be irradiated to neighbouring vital organs.
Medical computerized linear accelerator indicates the scope of irradiation field by simulating light open country.Radiotherapy is carried out to patient
When putting position, the position of beam radiation is generally determined by light open country, so light open country must be consistent with irradiation field.Its
In, light open country refers to analog light source in the region for waiting central plane to be defined.Therefore, the wild uniformity with launched field of light is to put
Penetrate the important content that treatment physics technical quality ensures.
The verification mode of the wild uniformity with launched field of traditional light, generally by the mode of exposure.Specifically,
A launched field detection plate is designed, launched field detection plate is installed on treatment bracket during use.And the treatment bracket is typically by pre-
The mounting hole stayed in treatment head is installed, after treatment bracket is installed, then by launched field detection plate on treatment bracket,
Make the ray center of launched field detection plate face treatment head.Stability requirement of this method to treating bracket is very high, and treats support
Frame itself is heavier, and installation and removal are relatively difficult.
The content of the invention
Based on this, it is necessary to mount and dismount the problem of inconvenient for traditional light field, Beam's eye view device, there is provided a kind of
It can be used alone, light field, Beam's eye view device without the Medical Devices that are mounted and dismounted from treatment head, additionally provide simultaneously
A kind of light field using foregoing Medical Devices, Beam's eye view device Medical Devices light field, Beam's eye view method.
Above-mentioned purpose is achieved through the following technical solutions：
A kind of light field of Medical Devices, Beam's eye view device, including：Support, launched field detection plate and power source；
Launched field detection plate is rotatably arranged on support；Power source is connected with launched field detection plate, is penetrated for driving
Wild detection plate rotates predetermined angle；Launched field detection plate can receive the light that the treatment head in the frame by Medical Devices sends and
Ray to form light field and launched field respectively.
In one of the embodiments, the light field of Medical Devices, Beam's eye view device also include angular transducer, and angle passes
Sensor is arranged in the frame of Medical Devices, for detecting the angle of gantry rotation；Predetermined angle is angular transducer detection
Angle.
In one of the embodiments, the light field of Medical Devices, Beam's eye view device also include controller, angular transducer
It is connected with power source with controller；
Controller is used for the angle signal of receiving angle sensor, and sends control signal so that power source band to power source
Dynamic launched field detection plate rotates.
In one of the embodiments, support includes base and two supporting plates, and two supporting plates are oppositely disposed at bottom
The both sides of seat；
Launched field detection plate is rotatably arranged in two supporting plates.
In one of the embodiments, launched field detection plate is provided with rotating shaft, and two supporting plates are provided with axis hole；Power source
Output shaft is connected by axis hole with rotating shaft, to drive launched field detection plate to rotate.
In one of the embodiments, location structure is provided with launched field detection plate, location structure is used to limit solid water
The position of die body.
In one of the embodiments, location structure includes at least two location-plates, and at least two location-plates are examined along launched field
The circumference of drafting board is uniformly distributed.
In one of the embodiments, fixed structure is additionally provided with launched field detection plate, fixed structure is used for fixed solid
Water ball.
In one of the embodiments, fixed structure includes fixing screws；Fixing screws are corresponded in launched field detection plate to be provided with
Screw hole.
In one of the embodiments, fixing screws at least two, at least two fixing screws are along launched field detection plate
Circumference be uniformly distributed.
A kind of light field of Medical Devices, Beam's eye view method, its light field using above-mentioned Medical Devices, Beam's eye view dress
Put；It the described method comprises the following steps：
According to the angle of the gantry rotation of Medical Devices, the corresponding angle for adjusting launched field detection plate and rotating, so that launched field is examined
Drafting board can receive the light that the treatment head in the frame by Medical Devices sends and ray and form light field and launched field respectively；
The position of light field and the scope of launched field are analyzed, to determine the deviation of light field and launched field.
In one of the embodiments, it is corresponding to adjust launched field detection plate in the angle of the gantry rotation according to Medical Devices
It is further comprising the steps of before the step of angle of rotation：
Obtain the rotational angle of the frame of Medical Devices.
In one of the embodiments, before the step of obtaining the rotational angle of frame of Medical Devices, in addition to
Lower step：
The light field of described Medical Devices, Beam's eye view device are placed in the therapeutic bed of Medical Devices, and adjusts and penetrates
The angle position of wild detection plate, launched field detection plate is located at the grade median plane of Medical Devices, and make plane where launched field detection plate
Perpendicular to beam centre axle.
The light field of above-mentioned Medical Devices, Beam's eye view device, launched field detection plate are rotatably arranged on support, and dynamic
Rotatable predetermined angle under the drive in power source.The predetermined angle corresponds to the rotational angle of frame, so that the treatment head in frame
The light and ray of injection can be projected in launched field detection plate to form light field and launched field respectively, so as to Medical Devices
Light field and launched field uniformity verified.So, it is enterprising without being attached to treatment head by treating bracket by launched field detection plate
The checking of row light field, launched field.In use, the checking device can be positioned in the therapeutic bed of Medical Devices, while according to frame
Position correspondence change launched field detection plate position, you can realize frame in the light field of Difference angles, the uniformity of launched field
Checking.The device is simple to operate, easy to use, is greatly improved Medical Devices light field, the efficiency of launched field consistency checking.
Brief description of the drawings
Fig. 1 is the light field for the Medical Devices that one embodiment of the invention provides, the structural representation of Beam's eye view device；
Fig. 2 is the light field for the Medical Devices that one embodiment of the invention provides, the application principle figure of Beam's eye view device；
Fig. 3 is the light field for the Medical Devices that one embodiment of the invention provides, the flow chart of Beam's eye view method.
Wherein：
The light field of 001- Medical Devices, Beam's eye view device
100- supports；
110- bases；111- level meters；112- horizontal adjustment bolts；
120- supporting plates；
200- launched field detection plates；
210- location structures；211- location-plates；
220- fixed structures；221- fixing screws；
300- power sources；
400- angular transducers；
The frame of 500- Medical Devices；
510- treatment heads.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, by the following examples, and combine attached
Figure, light field, Beam's eye view device and the verification method of the Medical Devices of the present invention are further elaborated.It should manage
Solution, specific embodiment described herein only to explain the present invention, are not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
In the absence of intermediary element.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
The following embodiment of the present invention illustrates so that Medical Devices are clinac as an example.It is appreciated that
The light field, Beam's eye view device 001 can also be applied to the checking of the light field of other Medical Devices, launched field uniformity, such as X-ray
Machine.
As depicted in figs. 1 and 2, the light field of the Medical Devices of one embodiment of the invention, Beam's eye view device 001, including：Branch
Frame 100, launched field detection plate 200 and power source 300；
Launched field detection plate 200 is rotatably arranged on support 100；Power source 300 connects with the transmission of launched field detection plate 200
Connect, for driving launched field detection plate 200 to rotate predetermined angle；Launched field detection plate 200 can receive the frame 500 by Medical Devices
On the light that sends for the treatment of head 510 and ray to form light field and launched field respectively.
Referring to Fig. 2, clinac includes frame 500 and the treatment head 510 in frame 500.Before the treatment,
We need to verify light field, the uniformity of launched field of clinac.
Light field, formed on the film being mainly radiated at by the light source in treatment head 510 in launched field detection plate 200.Launched field,
Formed on the film being mainly radiated at by the radiation source in treatment head 510 in launched field detection plate 200.The irradiation said herein, it is
Refer to light or ray projection in launched field detection plate 200, i.e., the light source for the treatment of head 510 or radiation source limit beam by multi-leaf optical grating etc.
System, by light or ray projection in launched field detection plate 200.In projection, the central shaft and launched field of light or ray
Detection plate 200 is vertical.And cover die body in the forming process of launched field, it is necessary to above film and be radiated at simulating radiation ray
On human body, so, launched field is finally formed on film.It should be noted that die body is referred to by body-tissue equivalent's material system
Into the figurate simulation object of tool, such as human body simulation die body, lucite die body and Water ball, wherein solid water
Die body is typically in certain thickness sheet.In the present embodiment, it is introduced, but is not limited with this by taking solid Water ball as an example
Protection scope of the present invention.
When verifying light field, the uniformity of launched field of clinac, launched field detection plate 200 and treatment head need to be ensured
510 face, i.e. the beam centre axle (B axle in Fig. 2) for the treatment of head 510 are vertical with the place plane of launched field detection plate 200 all the time.When
Need to verify that clinac in light field, the launched field uniformity of a certain angle, makes frame 500 turn an angle, together
When launched field detection plate 200 is rotated predetermined angle, ensure final position that launched field detection plate 200 rotates with treatment head 510 most
Final position put it is corresponding, that is, ensure treatment head 510 beam centre axle B it is vertical with the place plane of launched field detection plate 200, make treatment head
510 light sent or ray can be projected in launched field detection plate 200, to form light field and launched field.Foregoing predetermined angle
The frame 500 of the angle rotated by treatment head 510 by initial position to predeterminated position, as Medical Devices by initial position to
The angle that predeterminated position is rotated.
Wherein, support 100 may include the structure such as base 110 and supporting plate 120, and base 110 is used to ensure whole device
Stability, it is conveniently placed in therapeutic bed.Selectively, base 110 is provided with level meter 111, and level meter 111 is used to detect bottom
The levelness of seat 110.The keep level of base 110, it is ensured that the degree of accuracy of light field, Beam's eye view.
Further, the horizontal adjustment bolt 112 for the levelness of adjusting base 110 is additionally provided with base 110.This reality
Apply in example, base 110 can be square, then horizontal adjustment bolt 112 is 4, and 4 horizontal adjustment bolts 112 set up separately in base 110
4 angles on.Selectively, support 100 also includes leg cup, and leg cup is connected by horizontal adjustment bolt 112 and base 110
Connect.In other embodiments, horizontal adjustment bolt 112 can be 3,3 112 positions triangular in shape of horizontal adjustment bolt point
Cloth.
Supporting plate 120 is used to support launched field detection plate 200.Specifically, supporting plate 120 is two, two phases of supporting plate 120
The both sides of base 110 are arranged on over the ground, and launched field detection plate 200 is rotatably arranged in two supporting plates 120.In an embodiment
In, launched field detection plate 200 is provided with rotating shaft, and supporting plate 120 is provided with corresponding axis hole.Specifically, the two of launched field detection plate 200
Side is provided with rotating shaft, and one end of the remote base 110 of supporting plate 120 is provided with axis hole.It is connected to by axis of rotation on axis hole,
To realize that launched field detection plate 200 is rotatably arranged in supporting plate 120.So, support 100 is relatively simple for structure, simultaneously
Also the rotation for being easy to control launched field detection plate 200 is compared.
And power source 300 can be hydraulic pump or motor etc., such as motor can be stepper motor or servomotor
Etc..Specifically, the output shaft of motor can be made to be connected with the rotating shaft transmission of foregoing launched field detection plate 200, to drive launched field to examine
Drafting board 200 rotates predetermined angle.Or the output shaft of motor is connected through foregoing axis hole with launched field detection plate 200, with
Launched field detection plate 200 is driven to rotate predetermined angle.Drive connection can be to be directly connected to, and can also be connected by driving member.Can
Selectively, motor is two.Two motors are located at the both sides of launched field detection plate 200 respectively, for driving launched field detection plate 200
Both sides synchronous axial system.So so that the driving force of the rotation to launched field detection plate 200 has ensured, while improves launched field inspection
The stationarity that drafting board 200 rotates.
The light field of the Medical Devices of the present embodiment, Beam's eye view device 001, can easily to the light fields of Medical Devices and
Launched field uniformity is verified.Without by traditional treatment bracket by launched field detection plate be attached in treatment head carry out light field,
It the checking of launched field, therefore, there is no need to in-site installation, save the set-up time.In use, the checking device 001 can be positioned over doctor
In the therapeutic bed for treating equipment, while according to the position of the position correspondence of frame 500 change launched field detection plate 200, you can realize machine
Frame 500 is in the light field of Difference angles, the consistency checking of launched field.The device is simple to operate, easy to use, is greatly improved
Light field, the efficiency of launched field consistency checking of Medical Devices.
Referring to Fig. 2, as a kind of enforceable mode, the light field of Medical Devices, Beam's eye view device 001 also include angle
Sensor 400, angular transducer 400 are arranged in the frame 500 of Medical Devices, for detecting the angle of the rotation of frame 500；In advance
If angle is the angle that angular transducer 400 detects.So, the angle that frame 500 rotates is detected by angular transducer 400
Degree, can further improve the accuracy of detection to the rotational angle of frame 500, so as to improve the rotation to launched field detection plate 200
Accurate control, to ensure that the angle that launched field detection plate 200 rotates is consistent with the angle that frame 500 rotates, reduce the error of test.
As a kind of enforceable mode, the light field of Medical Devices, Beam's eye view device 001 also include controller, angle
Sensor 400 and power source 300 are connected with controller；Angle signal of the controller for receiving angle sensor 400, and to
Power source 300 sends control signal so that power source 300 drives launched field detection plate 200 to rotate.
In the embodiment, angular transducer 400 detects the angle that frame 500 rotates, and sends the signal to controller.
Controller sends control signal, to control power source 300 to drive launched field inspection according to the angle signal received to power source 300
Drafting board 200 rotates predetermined angle.In this manner it is achieved that the automatic rotation of launched field detection plate 200, and launched field detection plate is realized automatically
200 rotational angle is consistent with the rotational angle of frame 500.In this way, conveniently checking frame 500 it can be in the different angle time
The wild, uniformity of launched field, improve the degree of accuracy of checking.
As a kind of enforceable mode, at the center for the surface for forming light field and launched field of launched field detection plate 200
It is provided with cross shape marks line (not shown).So, B pairs of the beam centre axle of launched field detection plate 200 and treatment head 510 is facilitated
It is accurate.
Further, launched field detection plate 200 be used for form light field and the surface of launched field is provided with least one light field frame
(not shown).For example, multiple light field frames can be provided with, including the first light field frame, the second light field frame, the 3rd light field frame etc..It is optional
Ground is selected, each light field frame can be square.The size of each light field frame differs, for example, can be respectively 10cm × 10cm,
20cm×20cm、30cm×30cm；And be outwards arranged successively from the center of launched field detection plate 200, and each light field frame is
It is arranged concentrically.So, light field and the deviation of launched field can easily be verified.It is preferred that above-mentioned cross shape marks line may extend to
The edge of launched field detection plate 200, and cross shape marks line is each passed through the opposite side midpoint of each square light field frame.
As a kind of enforceable mode, location structure 210 is provided with launched field detection plate 200, location structure 210 is used for
Limit the position of solid Water ball.The shape size of solid Water ball can be consistent with the shape size of launched field detection plate 200.Pass through
Location structure 210 can limit the position of solid Water ball, in order to which solid Water ball is placed in launched field detection plate 200, simultaneously
Ensure that solid Water ball will not be offset, launched field detection plate 200 can be completely covered.
Selectively, location structure 210 includes at least two location-plates 211, and at least two location-plates 211 detect along launched field
The circumference of plate 200 is uniformly distributed.Selectable, each location-plate 211 extends along perpendicular to the direction of launched field detection plate 200.Pass through
At least two location-plates 211 can limit the placement location of solid Water ball, and the shape of location-plate 211 can be with solid Water ball
At least part form fit, be easy to preferably to solid Water ball carry out it is spacing.In one embodiment, when solid Water ball
When shape size is consistent with the shape size of launched field detection plate 200, at least two location-plates 211 may be provided at launched field detection plate
In 200 circumferential side wall, to limit the placement position consistent with the shape size of launched field detection plate 200.For example, launched field detection plate
200 are square, then location-plate 211 can be two, and two location-plates 211 are diagonal positioned at two of launched field detection plate 200 respectively
Opening position.And location-plate 211 can be in the location-plate 211 that cross section is right angle, the location-plate 211 at right angle can be preferably matched with
Square solid Water ball, solid Water ball is carried out with preferably spacing.
In other embodiments, location structure 210 may include surrounding edge, circumferentially extending of the surrounding edge along launched field detection plate 200,
And the surrounding edge is perpendicular to launched field detection plate 200.The position for placing solid Water ball can be also limited by surrounding edge.
As a kind of enforceable mode, fixed structure 220 is additionally provided with launched field detection plate 200, fixed structure 220 is used
In fixed solid Water ball.By fixed structure 220 come fixed solid Water ball, prevent solid Water ball in launched field detection plate
Come off in 200 rotation process.
Selectively, fixed structure 220 includes fixing screws 221；Fixing screws 221 are corresponded in launched field detection plate 200 to set
There is screw hole.Through solid Water ball and it is tightened in screw hole using fixing screws 221, solid Water ball is consolidated with realizing
It is fixed.Wherein, fixing screws 221 can be one, and two, three even more more., should when fixing screws 221 at least two
Circumference of at least two fixing screws 221 along launched field detection plate 200 is uniformly distributed.In this manner it is ensured that to solid Water ball
Fixation power it is uniform.
In other embodiments, fixed structure 220 may include elastic buckles, and one end of elastic buckles is fixedly connected on launched field detection
On plate 200, the other end be free end and can elasticity be connected in launched field detection plate 200.In use, first by the freedom of elastic buckles
End lifts, then after solid Water ball is covered in launched field detection plate 200, discharges elastic buckles.Elastic buckles can be pressed on solid
On Water ball, to realize the fixation to solid Water ball.
Referring to Fig. 2, the light field of the Medical Devices of the embodiment of the present invention, Beam's eye view device 001 are medical to be particularly applicable in
Illustrated exemplified by the light field of electron accelerator, Beam's eye view.
It should be noted that accelerator for electron therapy be by etc. center principle design.In theory, in the complete of machine operation
In portion's angular range, three rotary shafts (the rotary shaft A of rotary frame 500, the hollow shaft B for the treatment of head 510, the therapeutic bed of machine
Hollow shaft) should intersect at a point, the point is referred to as isocenter point O.Then central plane is waited namely to pass through foregoing isocenter point O's
Plane.Wherein, the hollow shaft for the treatment of head 510 is also foregoing beam centre axle.
In use, the light field of the Medical Devices of the present embodiment, Beam's eye view device 001 are placed on accelerator for electron therapy
Therapeutic bed on, wherein, angular transducer 400 is installed on rotary frame 500.
The position of adjustment for the treatment of bed so that in the radiation of the cross shape marks line alignment treatment head 510 of launched field detection plate 200
The heart (i.e. hollow shaft B passes through the cross searching of cross shape marks line).Can be by making the rotary shaft and whirler of launched field detection plate 200
The rotary shaft A of frame 500 is overlapped, or make the surface for being used to be formed light field and launched field of launched field detection plate 200 positioned at etc. center put down
Face.So, it is easy to the cross shape marks line of launched field detection plate 200 to be aligned with the radiation center for the treatment of head 510.
By film be fixed on launched field detection plate 200 be used for form the surface of light field and launched field, such as can be glued by adhesive tape
Patch.Rotary frame 500 is set to move to the angle position of needs, then launched field detection plate 200 can turn to and treatment head 510 automatically
Corresponding angle position, the light source in treatment head 510 emits beam forms light field on film, marks the position of light field.
Solid water die body is covered in launched field detection plate 200, opens the radiation source for the treatment of head 510, the ray of injection passes through admittedly
Body Water ball is irradiated on film, obtains launched field.
Finally using software analysis light field and the deviation of launched field.In the present embodiment, same Film Recording is passed through
The scope of light field and launched field, only light field implementations consistent with launched field need to be can obtain by software analysis.Also, record has light
Wild and launched field film can be saved so that light field, Beam's eye view can form record, be consulted after being easy to.By above-mentioned
Operate and can verify that at a certain angle position, the light field of Medical Devices, the uniformity of launched field.And working as needs to verify other angle positions
When the light field put, launched field uniformity, only frame 500 need to be made to rotate an angle to the position, then Beam's eye view plate 200 also understand from
Respective angles are rotated dynamicly, to carry out the light field of the position, launched field consistency checking.In an embodiment of the present invention, do not limit
Can be existing analysis software, such as treatment wire harness point on the market for the software type for the deviation for analyzing light field and launched field
Analyse software (MEPHYSTO Navigator) or the software not emerged also.
Referring to Fig. 3, one embodiment of the invention additionally provides a kind of light field of Medical Devices, Beam's eye view method, and it is used
The light field of above-mentioned Medical Devices, Beam's eye view device 001.
It the described method comprises the following steps：
S100：According to the angle of the gantry rotation of Medical Devices, the corresponding angle for adjusting launched field detection plate and rotating, so as to penetrate
Wild detection plate can receive the light that the treatment head in the frame by Medical Devices sends and ray and form light field respectively and penetrate
It is wild；
The position of light field and the scope of launched field are analyzed, to determine the deviation of light field and launched field.
Specifically, using motor, hydraulic pump etc. launched field detection plate can be driven to rotate.Wherein, analyze light field position and
The scope of launched field, the step of to determine the deviation of light field and launched field in, specifically include：
Film is fixed in launched field detection plate, to receive the light sent by the treatment head in the frame of Medical Devices, from
And light field is formed on film.And the position of light field is marked on film.
Die body is further fixed to launched field detection plate (die body can overlap film), to receive the frame by Medical Devices
On the ray that sends for the treatment of head.Ray forms launched field through die body on film, therefore can obtain the scope of launched field.Most
Afterwards, by the position of software analysis light field and the scope of launched field, to determine the deviation of light field and launched field.
In the present embodiment, do not limit for analyzing the position of light field and the scope of launched field to determine the inclined of light field and launched field
The software type of difference.The analysis software can be existing analysis software, such as treatment wire harness analysis software on the market
(MEPHYSTO Navigator) or the software not emerged also.
It is corresponding to adjust in the angle of the step S100 gantry rotation according to Medical Devices as a kind of enforceable mode
It is further comprising the steps of before the step of angle that whole launched field detection plate rotates：
S010：Obtain the rotational angle of the frame of Medical Devices.
Specifically, can be by the setting angle sensor in the frame of Medical Devices, to obtain the machine of Medical Devices in real time
The rotational angle of frame.The angle signal that can be also detected simultaneously using controller come receiving angle sensor, and pass through controller
The signal for driving launched field detection plate to rotate is sent to foregoing motor or hydraulic pump, is turned with reaching corresponding adjustment launched field detection plate
The purpose of dynamic angle.
As a kind of enforceable mode, the rotational angle of the frame of step S010 acquisition Medical Devices the step of it
Before, it is further comprising the steps of：
S001：The light field of described Medical Devices, Beam's eye view device 001 are placed in the therapeutic bed of Medical Devices,
And the angle position of launched field detection plate is adjusted, launched field detection plate is located at the grade median plane of Medical Devices, and make launched field detection plate
Place plane is perpendicular to beam centre axle.Wherein, as previously described, it is by the plane of isocenter point, in beam to wait median plane
Mandrel is the hollow shaft of the treatment head of Medical Devices.
Light field, the Beam's eye view method of Medical Devices provided in an embodiment of the present invention, it can be achieved to frame in different angle
The light field of position, launched field consistency checking, simple to operate, accuracy is high, effectively improves Medical Devices light field, launched field uniformity is tested
The efficiency of card.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (13)
1. a kind of light field of Medical Devices, Beam's eye view device, it is characterised in that including：Support, launched field detection plate and power
Source；
The launched field detection plate is rotatably arranged on the support；The power source connects with launched field detection plate transmission
Connect, for driving the launched field detection plate to rotate predetermined angle；The launched field detection plate can receive the frame by Medical Devices
On the light that sends for the treatment of head and ray to form light field and launched field respectively.
2. the light field of Medical Devices according to claim 1, Beam's eye view device, it is characterised in that also passed including angle
Sensor, the angular transducer are arranged in the frame of Medical Devices, for detecting the angle of the gantry rotation；
The predetermined angle is the angle of angular transducer detection.
3. the light field of Medical Devices according to claim 2, Beam's eye view device, it is characterised in that also including controller,
The angular transducer and the power source are connected with the controller；
The controller is used to receive the angle signal of the angular transducer, and to the power source send control signal so that
The power source drives the launched field detection plate to rotate.
4. the light field of Medical Devices according to claim 1, Beam's eye view device, it is characterised in that the support includes
Base and two supporting plates, described two supporting plates are oppositely disposed at the both sides of the base；
The launched field detection plate is rotatably arranged in described two supporting plates.
5. the light field of Medical Devices according to claim 4, Beam's eye view device, it is characterised in that the launched field detection
Plate is provided with rotating shaft, and described two supporting plates are provided with axis hole；The output shaft of the power source passes through the axis hole and described turn
Axis connection, to drive the launched field detection plate to rotate.
6. the light field of Medical Devices according to claim 1, Beam's eye view device, it is characterised in that the launched field detection
Location structure is provided with plate, the location structure is used for the position for limiting solid Water ball.
7. the light field of Medical Devices according to claim 6, Beam's eye view device, it is characterised in that the location structure
Including at least two location-plates, circumference of at least two location-plate along the launched field detection plate is uniformly distributed.
8. the light field of Medical Devices according to claim 1, Beam's eye view device, it is characterised in that the launched field detection
Fixed structure is additionally provided with plate, the fixed structure is used for fixed solid Water ball.
9. the light field of Medical Devices according to claim 8, Beam's eye view device, it is characterised in that the fixed structure
Including fixing screws；
The fixing screws are corresponded in the launched field detection plate and are provided with screw hole.
10. the light field of Medical Devices according to claim 9, Beam's eye view device, it is characterised in that the fixing screws
At least two, the circumference of at least two fixing screws along the launched field detection plate is uniformly distributed.
11. a kind of light field of Medical Devices, Beam's eye view method, it is characterised in that using such as any one of claim 1-10 institutes
The light field for the Medical Devices stated, Beam's eye view device；It the described method comprises the following steps：
According to the angle of the gantry rotation of Medical Devices, the corresponding angle for adjusting launched field detection plate and rotating, so that the launched field is examined
Drafting board can receive the light that the treatment head in the frame by Medical Devices sends and ray and form light field and launched field respectively；
The position of the light field and the scope of the launched field are analyzed, to determine the deviation of light field and launched field.
12. the light field of Medical Devices according to claim 11, Beam's eye view method, it is characterised in that according to medical treatment
The angle of the gantry rotation of equipment, it is further comprising the steps of before corresponding the step of adjusting the angle that launched field detection plate rotates：
Obtain the rotational angle of the frame of the Medical Devices.
13. the light field of Medical Devices according to claim 12, Beam's eye view method, it is characterised in that obtaining medical treatment
It is further comprising the steps of before the step of rotational angle of the frame of equipment：
The light field of described Medical Devices, Beam's eye view device are placed in the therapeutic bed of Medical Devices, and penetrated described in regulation
The angle position of wild detection plate, the launched field detection plate is located at the grade median plane of Medical Devices, and make the launched field detection plate
Place plane is perpendicular to beam centre axle.
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