CN109387369A - A kind of external driving measuring system of the MLC of medical accelerator - Google Patents
A kind of external driving measuring system of the MLC of medical accelerator Download PDFInfo
- Publication number
- CN109387369A CN109387369A CN201710679201.2A CN201710679201A CN109387369A CN 109387369 A CN109387369 A CN 109387369A CN 201710679201 A CN201710679201 A CN 201710679201A CN 109387369 A CN109387369 A CN 109387369A
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- group
- switch
- socket
- mlc
- multirow
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- 238000012423 maintenance Methods 0.000 abstract description 8
- 229940030792 clinac Drugs 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The present invention relates to a kind of external driving measuring systems of the MLC of medical accelerator, system includes power module, two groups of Multirow sockets, first switching switch, second switching switch, first choice switch and the second selection switch, first switching switch and the second switching switch are separately connected power module both ends, first corresponding first group of switching switch is just, anti- contact, second corresponding second group of switching switch is just, anti- contact, first group just, anti- contact is separately connected first choice switch, second group just, anti- contact is separately connected the second selection switch, first choice switch and the second selection switch are separately connected the two sides jack of first group of Multirow socket, first choice switch and the second selection switch are separately connected the two sides jack of second group of Multirow socket.Compared with prior art, the present invention have many advantages, such as convenient for MLC maintenance when improve efficiency, suitable for multiple versions, can be achieved single or single motor driving and according to circumstances carry out power supply selection.
Description
Technical field
The present invention relates to medical instruments fields, more particularly, to a kind of external driving measuring system of MLC of medical accelerator.
Background technique
Medical computerized linear accelerator is to make irradiation field to greatest extent close to tumor shape, is provided with leafy collimation greatly
Device (multi-leaf collimator), abbreviation MLC system, to reach the influence normal tissue of minimum to greatest extent
Killing tumor cell purpose.Since MLC system is more more acurrate than the operating method that lead is kept off and quick, it is furnished with MLC system at present
Clinac medical institutions throughout the country in using more and more extensive.With the raising of medical technology, radiation
Safety and reliability requirement in treating is also higher and higher, and the maintenance of MLC is clinac quality control efforts
One of critically important link.
MLC system is the attachment device of clinac, is made of hardware system and software systems.Hardware system is again
It is divided into control computer and MLC cell two parts, control computer issues radiation field size instruction, and MLC cell part is used to generate spoke
Launched field is mounted in the collimator of accelerator, including MLC drive part, machine driven system and feedback control circuit, is mainly had
Lead blade, screw rod, nut etc., lead leaf are generally formed with a thickness of the lead flake of 2~3mm by 20 Duis, 40 pairs or 60 pairs, and each blade is matched
A standby micromotor, by transmission device, micromotor is able to drive blade stretching motion, and all blades orderly stretch, can
So that MLC forms specific shape.Be connected face concaveconvex structure each other between adjacent blades, has close structure, good leak-proof effect
The features such as.
It is high, inconvenient to carry using existing Elekta specific purpose tool cost when due to MLC maintenance, replacement luminous point, do not have
Method is universal.And small handpiece is removed in servicing operations, it is necessary to power off, to protrude into center by blade one by one, maintenance, replacement are anti-
It also to be exited one by one after luminous point, it is comparatively laborious and inefficient.Driven with battery, one blade of every driving will wiring, will
Whether good operation twice, is unable to Test driver system.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of medical accelerators
The external driving measuring system of MLC.
A kind of external driving measuring system of the MLC of medical accelerator, the system include power module, first switching open
It closes, the second switching switch, first choice switch, the second selection switch, first group of Multirow socket and second group of Multirow socket, it is described
The first switching switch and the second switching switch be separately connected power module both ends, the first switching switch is first group corresponding
Positive and negative contact, first group of positive contact and anti-contact are separately connected first choice switch, the second switching switch pair
Second group of positive and negative contact is answered, second group of positive contact and anti-contact are separately connected the second selection switch, first choosing
It selects switch and the second selection switch is separately connected the two sides jack of first group of Multirow socket, the first choice switch and second
Selection switch is separately connected the two sides jack of second group of Multirow socket.
The first choice switchs corresponding 10 selection contacts, corresponding 10 core wires in 10 selection contacts, 10 cores
Side jack of wherein 8 cores of line respectively with first group of Multirow socket is connected in parallel, the wherein 10 cores difference of 10 core wires
It is connected in parallel with the side jack of second group of Multirow socket.
Second selection switchs corresponding 5 selection contacts, and 5 selection contacts correspond to 5 core wires, 5 core wires
Wherein 5 cores are connected in series with the other side jack of first group of Multirow socket respectively, and wherein 4 cores of 5 core wires are respectively with the
The other side jack of two groups of Multirow sockets is connected in series.
First group of Multirow socket includes five plug sockets, and each plug socket respectively includes 8 groups of jacks.
Second group of Multirow socket includes four plug sockets, and each plug socket respectively includes 10 groups of jacks.
The power module includes power supply, ammeter and voltmeter, after the ammeter is in parallel with voltmeter with electricity
Source connection.
The power supply includes battery and external power supply.
The purpose of the present invention can be achieved through the following technical solutions:
Compared with prior art, the invention has the following advantages that
1, it is improved efficiency when being maintained convenient for MLC: convenient accurately to system using may be implemented after circuit drives of the invention
Determine motor to be driven, measured；
2, it is suitable for multiple versions: it is different according to MLC motor driver PCB version, it is provided with two different insert
Head；
3, the driving of single or single motor can be achieved: can be combined by JP1, JP2 short circuit contact pin to realize single horse
It reaches, the driving of the motor and entire side motor of socket, meets various maintenance needs；
4, according to circumstances carry out power supply selection: power module can be driven using battery, and external power supply can also be used, be convenient for
Practical application.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Wherein: S1, switching switch, S2, first choice switch, S3, the second selection switch, J1, first group of socket one, J2,
One group of socket two, J3, first group of socket three, J4, first group of socket four, P1, second group of socket one, P2, second group of socket two, P3、
Second group of socket three, P4, second group of socket four, P5, second group of socket five, at JP1, first group of socket short circuit contact pin, JP2, second
At group socket short circuit contact pin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, all should belong to the scope of protection of the invention.
Embodiment:
A kind of external driving measuring system of the MLC of medical accelerator of the present invention, using the circuit being specially arranged, by stirring
Each switch, which can be convenient, accurately to be measured and judges to each fractional motor of MLC, and passes through toggle switch and short-circuit contact pin
The driving measurement that a socket and entire side motor may be implemented, greatly improves maintenance efficiency.
Specific structure:
A kind of external driving measuring system of the MLC of medical accelerator, the measuring system include power module and and power supply
The switching switch S1 of module connection, the first choice switch being separately connected with switching switch and the second selection switch, switching switch
It is divided into the first switching switch and the second switching switch, power module one end connection the first switching switch, other end connection second is cut
Switch is changed, the first switching, which switchs, corresponds to first group of positive and negative contact, the second corresponding second group of positive and negative contact of switching switch, and first group
Positive and negative contact is separately connected first choice switch S2, and second group of positive and negative contact is separately connected the second selection switch S3, and system is also
Including first group of Multirow socket and second group of Multirow socket, the two sides jack of first group of Multirow socket is separately connected first choice and opens
It closes and the second selection switch, the two sides jack of second group of Multirow socket is separately connected first choice switch and the second selection switch.
Power module includes power supply, ammeter and voltmeter, is connected to power supply after ammeter is in parallel with voltmeter.Power supply include battery and
External power supply.
System is equipped with two groups of sockets, meets different MLC motor driver PCB version requirements respectively, wherein first group
Multirow socket includes five plug sockets, respectively first group of one J of socket1, first group of two J of socket2, first group of three J of socket3, first group
Four J of socket4, each plug socket respectively includes 8 groups of jacks.Second group of Multirow socket includes four plug sockets, respectively second group of socket
One P1, second group of two P of socket2, second group of three P of socket3, second group of four P of socket4, second group of five P of socket5, each plug socket wraps respectively
Include 10 groups of jacks.
First choice switchs corresponding 10 contacts, corresponding 10 core wires in 10 contacts, and wherein 8 cores of 10 core wires are respectively with first
Group Multirow socket unilateral jack be connected in parallel, wherein 10 cores of 10 core wires respectively with the unilateral jack of second group of Multirow socket simultaneously
Connection connection.Second selection switchs corresponding 5 contacts, and corresponding 5 core wires in 5 contacts, wherein 5 cores of 5 core wires are respectively and more than first group
The unilateral jack of plug socket is connected in series, and wherein 4 cores of 5 core wires are connected in series with second group of Multirow socket respectively.
Working principle:
As shown in Figure 1, having entire side whole plug on circuit board (not according to MLC motor driver PCB version
Together, two different plugs are provided with), once the MLC motor power of entire side can be plugged, select to switch by S2, S3
Combination drives to select one of motor, stirs S1 to control the forward/backward of motor, while monitoring the reading of mA, V table
It may determine that whether motor, transmission system are good.The JP1 and/or second at first group of socket short circuit contact pin can also be passed through
Group socket short circuit contact pin at JP2 setting contact pin and in conjunction with stir first choice switch S2 and second selection switch S3 come realize individually
Motor, socket motor and entire side motor driving, meet various maintenance needs.
After circuit drives of the invention, it may be implemented conveniently accurately to drive formulation motor, measure；According to
MLC motor driver PCB version is different, is provided with two different plugs；It can be combined by JP1, JP2 short circuit contact pin
Come realize single-motor, socket motor and entire side motor driving, meet various maintenance needs；Power module can
To drive using battery, external power supply can also be used, be convenient for practical application.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (7)
1. a kind of external driving measuring system of the MLC of medical accelerator, which is characterized in that the system include power module,
First switches switch, the second switching switchs, first choice switchs, second selects switch, first group of Multirow socket and more than second group
Plug socket, the first switching switch and the second switching switch are separately connected power module both ends, and first switching is opened
Close corresponding first group of positive and negative contact, first group of positive contact and anti-contact are separately connected first choice switch, and described the
Two switchings switch corresponding second group of positive and negative contact, and second group of positive contact and anti-contact are separately connected the second selection switch,
The first choice switch and the second selection switch is separately connected the two sides jack of first group of Multirow socket, first choosing
It selects switch and the second selection switch is separately connected the two sides jack of second group of Multirow socket.
2. a kind of external driving measuring system of the MLC of medical accelerator according to claim 1, which is characterized in that described
First choice switch corresponding 10 selection contacts, 10 selection contacts 10 core wires of correspondence, wherein 8 cores point of 10 core wires
Side jack not with first group of Multirow socket is connected in parallel, and wherein 10 cores of 10 core wires are multiple rows of slotting with second group respectively
The side jack of seat is connected in parallel.
3. a kind of external driving measuring system of the MLC of medical accelerator according to claim 2, which is characterized in that described
The second selection switch corresponding 5 selection contacts, 5 selection contacts 5 core wires of correspondence, wherein 5 cores of 5 core wires respectively with
The other side jack of first group of Multirow socket is connected in series, wherein 4 cores of 5 core wires respectively with second group of Multirow socket
Other side jack is connected in series.
4. a kind of external driving measuring system of the MLC of medical accelerator according to claim 3, which is characterized in that described
First group of Multirow socket include five plug sockets, each plug socket respectively includes 8 groups of jacks.
5. a kind of external driving measuring system of the MLC of medical accelerator according to claim 3, which is characterized in that described
Second group of Multirow socket include four plug sockets, each plug socket respectively includes 10 groups of jacks.
6. a kind of external driving measuring system of the MLC of medical accelerator according to claim 1, which is characterized in that described
Power module include power supply, ammeter and voltmeter, connected to power supply after the ammeter is in parallel with voltmeter.
7. a kind of external driving measuring system of the MLC of medical accelerator according to claim 6, which is characterized in that described
Power supply include battery and external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710679201.2A CN109387369B (en) | 2017-08-10 | 2017-08-10 | MLC external driving measurement system of medical accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710679201.2A CN109387369B (en) | 2017-08-10 | 2017-08-10 | MLC external driving measurement system of medical accelerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109387369A true CN109387369A (en) | 2019-02-26 |
| CN109387369B CN109387369B (en) | 2023-12-05 |
Family
ID=65414227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710679201.2A Active CN109387369B (en) | 2017-08-10 | 2017-08-10 | MLC external driving measurement system of medical accelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109387369B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6459769B1 (en) * | 1999-05-03 | 2002-10-01 | Sherwood Services Ag | Movable miniature multi-leaf collimator |
| JP2003163100A (en) * | 2001-11-27 | 2003-06-06 | Hitachi Ltd | Driving method for medical accelerator |
| CN1489695A (en) * | 2001-01-31 | 2004-04-14 | ������ʵ���ҹ�˾ | Planarizing interposer |
| JP2007195652A (en) * | 2006-01-25 | 2007-08-09 | Toshiba Corp | Multi leaf collimator, and radiotherapy device equipped with it |
| JP3142822U (en) * | 2008-04-16 | 2008-06-26 | 石川電気商工株式会社 | Measuring instrument |
| US20120314844A1 (en) * | 2011-06-08 | 2012-12-13 | Varian Medical Systems, Inc. | Automatic health detection for motion axes in medical linear accelerators |
| CN106344061A (en) * | 2016-08-08 | 2017-01-25 | 沈阳东软医疗系统有限公司 | Multi-leaf collimator leaf motion position control device and method and linear accelerator |
| CN206355455U (en) * | 2016-10-27 | 2017-07-28 | 深圳市艾华联盟科技有限公司 | A kind of multi-diaphragm collimator leaf position feedback device |
| CN207231789U (en) * | 2017-08-10 | 2018-04-13 | 上海卓亚医疗科技有限公司 | A kind of external driving measuring systems of the MLC of medical accelerator |
-
2017
- 2017-08-10 CN CN201710679201.2A patent/CN109387369B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6459769B1 (en) * | 1999-05-03 | 2002-10-01 | Sherwood Services Ag | Movable miniature multi-leaf collimator |
| CN1489695A (en) * | 2001-01-31 | 2004-04-14 | ������ʵ���ҹ�˾ | Planarizing interposer |
| JP2003163100A (en) * | 2001-11-27 | 2003-06-06 | Hitachi Ltd | Driving method for medical accelerator |
| JP2007195652A (en) * | 2006-01-25 | 2007-08-09 | Toshiba Corp | Multi leaf collimator, and radiotherapy device equipped with it |
| JP3142822U (en) * | 2008-04-16 | 2008-06-26 | 石川電気商工株式会社 | Measuring instrument |
| US20120314844A1 (en) * | 2011-06-08 | 2012-12-13 | Varian Medical Systems, Inc. | Automatic health detection for motion axes in medical linear accelerators |
| CN106344061A (en) * | 2016-08-08 | 2017-01-25 | 沈阳东软医疗系统有限公司 | Multi-leaf collimator leaf motion position control device and method and linear accelerator |
| CN206355455U (en) * | 2016-10-27 | 2017-07-28 | 深圳市艾华联盟科技有限公司 | A kind of multi-diaphragm collimator leaf position feedback device |
| CN207231789U (en) * | 2017-08-10 | 2018-04-13 | 上海卓亚医疗科技有限公司 | A kind of external driving measuring systems of the MLC of medical accelerator |
Non-Patent Citations (2)
| Title |
|---|
| 查玉华: "多叶光阑系统的日常维护及其常见故障的检测", 中国医疗器械信息, no. 03 * |
| 马全海;翟小娟;: "医科达直线加速器多叶准直器(MLC)故障分析与检修", 中国医疗设备, no. 07, pages 113 * |
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| Publication number | Publication date |
|---|---|
| CN109387369B (en) | 2023-12-05 |
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