CN108815722A - Integrated collimator, treatment head and its application method - Google Patents
Integrated collimator, treatment head and its application method Download PDFInfo
- Publication number
- CN108815722A CN108815722A CN201810614622.1A CN201810614622A CN108815722A CN 108815722 A CN108815722 A CN 108815722A CN 201810614622 A CN201810614622 A CN 201810614622A CN 108815722 A CN108815722 A CN 108815722A
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- CN
- China
- Prior art keywords
- switch
- collimation
- collimating aperture
- collimator
- collimation portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N2005/1019—Sources therefor
-
- 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
- A61N2005/1094—Shielding, protecting against radiation
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The present invention provides a kind of integrated collimators, treatment head and its application method, including collimation portion and switch portion, the collimation portion is in hollow structure, the switch portion is located in the hollow space of the collimation portion, the collimation portion is circumscribed with the first driving source for driving the collimation portion rotation, the collimation portion is circumscribed with the second driving source for driving the switch portion rotation, several switch holes are offered in the switch portion, the collimating aperture that several groups can be faced with the switch hole is offered in the collimation portion, the diameter of the switch hole is greater than or equal to the maximum gauge in collimating aperture described in several groups.Integration collimator provided by the invention, treatment head and its application method enable to that the speed for adjusting collimator is fast, reduces the volume of collimator, while also improving therapeutic efficiency.
Description
Technical field
The invention belongs to medical instruments fields, are related to integrated collimator, treatment head and its application method.
Background technique
When carrying out radiation treatment, radiographic source is the indispensable part for the treatment of, more common currently on the market
Mainly include high-power electron beam practice shooting issue ray and Co 60 decay release ray by way of.
Moreover, it usually all also needs to match in treatment head when treatment according to the difference of patient's actual conditions
Standby collimator selects the ray passed through by the collimating aperture selected in collimator, so as to be treated to patient, wherein
When treatment to the lesions position of different demands, it is necessary to it rotates collimator and selects different collimating apertures, simultaneously because
The heavier mass of collimator, therefore to the more demanding of the equipment of rotation collimator, while the speed rotated is also relatively slow, slows down
Therapeutic efficiency.
Summary of the invention
The purpose of the present invention is to provide integrated collimator, treatment head and its application methods, it is intended to solve to adjust collimation
The problem that device speed is slow, therapeutic efficiency is low.
In order to solve the above technical problems, the present invention provides a kind of integrated collimator, including collimation portion and switch portion, institute
Collimation portion is stated in hollow structure, the switch portion is located in the hollow space of the collimation portion, and the collimation portion, which is circumscribed with, to be used for
The first driving source of the collimation portion rotation is driven, the collimation portion is circumscribed with for driving the second of the switch portion rotation to drive
Dynamic source offers several switch holes in the switch portion, and several groups are offered in the collimation portion can be with the switch hole phase
The collimating aperture of face, the diameter of the switch hole are greater than or equal to the maximum gauge in collimating aperture described in several groups.
The present invention is further arranged to, and the diameter of the switch hole is equal to the maximum gauge in collimating aperture described in several groups.
The present invention is further arranged to, and the collimation portion is cylindrical, and the switch portion is cylindrical.
The present invention is further arranged to, and the hollow space of the collimation portion is matched with the shape of the switch portion, described
There are setting gaps between switch portion and the collimation portion.
A kind for the treatment of head, including shell, radioactive source and any one of the as above integrated collimator, the radioactive source with
And the integrated collimator is respectively positioned in the shell.
A method of using treatment head as described above, the following steps：
S1 rotates collimation portion, and selects to need collimating aperture to be used, so that collimating aperture is right against radioactive source；
S2, rotating switch portion, and switch hole is made to be right against collimating aperture selected to use；
S3, after the completion of one section for the treatment of, rotating switch portion rotates collimating aperture again, and selection needs replacing the collimating aperture used
Face radioactive source goes back to switch portion and opens switch hole, starts again at treatment；
S4, circulation S3 are until treatment is completed, rotating switch portion and collimation portion, so that collimating aperture and switch hole are and radioactive source
Dislocation.
The present invention provides a kind of integrated collimator, treatment head and its application methods, are using integrated collimator
When, it is that selection needs collimating aperture to be used to be right against radioactive source first, switch hole is then made to be right against standard selected to use
Straight hole, such ray can be normally by integrated collimators, and integrated collimator can normally work；It is needing to make
When with other pore sizes, portion is turned off the switch, collimation portion is then rotated to angle to be used is needed, selects the standard in other apertures
Then straight hole goes back to switch portion again；Since the size of switch hole is greater than or equal to the maximum value in all collimating apertures, nothing
By the collimating aperture for selecting which pore size, it can make ray normally by integrated collimator, simultaneously because collimation
The size in hole changes, therefore can also be changed to the diameter of ray, i.e., can also be changed by collimation portion and pass through integration
The diameter of collimator ray, to change bifocal size；Due to only needing independent rotating switch portion and collimation portion, rotation
Quality is smaller, therefore can accelerate rotating switch portion and collimation portion adjusting, improves the precision and efficiency for the treatment of.
Detailed description of the invention
Fig. 1 is a kind of front section view of one embodiment for the treatment of head of the present invention；
Fig. 2 is a kind of side view of one embodiment for the treatment of head of the present invention；
Fig. 3 is a kind of partial sectional view of the side view of one embodiment for the treatment of head of the present invention；
Fig. 4 is a kind of perspective view of one embodiment for the treatment of head of the present invention；
Fig. 5 is a kind of flow chart of one embodiment of application method for the treatment of head of the present invention.
Wherein, 1, collimation portion；2, switch portion；3, the first driving source；4, the second driving source；5, switch hole；6, collimating aperture；7,
Shell；8, radioactive source.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to a kind of integrated collimator proposed by the present invention, treatment head and its use
Method is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.It needs
Bright, attached drawing is all made of very simplified form and using non-accurate ratio, only conveniently, lucidly to aid in illustrating
The purpose of the embodiment of the present invention.The same or similar appended drawing reference represents the same or similar component in attached drawing.
A kind of integration collimator, as shown in Figures 1 to 4, including collimation portion 1 and switch portion 2, during the collimation portion 1 is in
Hollow structure, the switch portion 2 are located in the hollow space of the collimation portion 1, and the collimation portion 1 is circumscribed with for driving the standard
The first driving source 3 that straight portion 1 rotates, the collimation portion 1 are circumscribed with the second driving source 4 for driving the switch portion 2 to rotate,
Several switch holes 5 are offered in the switch portion 2, several groups are offered in the collimation portion 1 can be with 5 phase of switch hole just
Pair collimating aperture 6, the diameter of the switch hole 5 is greater than or equal to the maximum gauge in collimating aperture 6 described in several groups.Preferably,
The diameter of the switch hole 5 is equal to the maximum gauge in collimating aperture 6 described in several groups, can also select switch according to the actual situation
The diameter in hole 5 is greater than the maximum gauge of collimating aperture 6.
Wherein, the collimation portion 1 is cylindrical, and the switch portion 2 is cylindrical.
The hollow space of the collimation portion 1 is matched with the shape of the switch portion 2, the switch portion 2 and the collimation
There are setting gaps between portion 1.
The present invention also provides a kind for the treatment of head, including shell 7, radioactive source 8 and any one as above integration are quasi-
Straight device, the radioactive source 8 and the integrated collimator are respectively positioned in the shell 7.
The present invention also provides a kind of methods using treatment head as described above, as shown in figure 5, the following steps：
S1 rotates collimation portion 1, and selects to need collimating aperture 6 to be used, so that collimating aperture 6 is right against radioactive source 8；
S2, rotating switch portion 2, and switch hole 5 is made to be right against collimating aperture 6 selected to use；
S3, after the completion of one section for the treatment of, rotating switch portion 2 rotates collimating aperture 6 again, and selection needs replacing the collimation used
6 face radioactive source 8 of hole goes back to switch portion 2 and opens switch hole 5, starts again at treatment；
S4, circulation S3 are until treatment is completed, rotating switch portion 2 and collimation portion 1 so that collimating aperture 6 and switch hole 5 with put
Penetrate the dislocation of source 8.
A kind of integrated collimator, treatment head and its application method provided by the invention, are using integrated collimator
When, it is that selection needs collimating aperture 6 to be used to be right against radioactive source 8 first, is right against switch hole 5 selected to use
Collimating aperture 6, such ray can be normally by integrated collimators, and integrated collimator can normally work；It is needing
When using other pore sizes, portion 2 is turned off the switch, collimation portion 1 is then rotated to angle to be used is needed, selects other holes
The collimating aperture 6 of diameter, then goes back to switch portion 2 again；Since the size of switch hole 5 is greater than or equal in all collimating apertures 6 most
Big value, therefore no matter select the collimating aperture 6 of which pore size can make ray normally by integrated collimator,
Simultaneously because the size of collimating aperture 6 changes, therefore can also be changed the diameter of ray, i.e., it can also pass through collimation portion 1
Change the diameter by integrated collimator ray, to change bifocal size；Due to only needing independent rotating switch portion 2 and standard
Straight portion 1, therefore the quality rotated is smaller, therefore can accelerate rotating switch portion 2 and the adjusting of collimation portion 1, improves treatment
Precision and efficiency.
Wherein, since collimation portion 1 is hollow cylindrical shape, and switch portion 2 is cylindrical, thus the two design and
When actual rotation, production difficulty can be preferably reduced, the space occupied size can not only be reduced, and when standby
When under state, collimation portion 1 and switch portion 2, in this way can be preferable all with radioactive source 8, i.e. state of the cobalt -60 in a dislocation
Ray is stopped, it is therefore prevented that ray leaks, and improves the safety for the treatment of head；Moreover, due to only being opened in switch portion 2
Therefore switch hole 5 can preferably reduce the size of hollow space in switch portion 2, when stopping to ray,
Can preferably it be stopped.
Therefore when treatment head uses the integration collimator, input cost not only can be preferably reduced, simultaneously
Treatment when, due to integrated collimator adjustment speed faster, can accelerate treatment efficiency.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (6)
1. a kind of integration collimator, which is characterized in that including collimation portion and switch portion, the collimation portion is in hollow structure, institute
It states switch portion to be located in the hollow space of the collimation portion, the collimation portion is circumscribed with for driving collimation portion rotation
One driving source, the collimation portion are circumscribed with the second driving source for driving the switch portion rotation, open up in the switch portion
There are several switch holes, the collimating aperture that several groups can be faced with the switch hole, the switch are offered in the collimation portion
The diameter in hole is greater than or equal to the maximum gauge in collimating aperture described in several groups.
2. integration collimator according to claim 1, which is characterized in that the diameter of the switch hole is equal to several groups institute
State the maximum gauge in collimating aperture.
3. integration collimator according to claim 1 or 2, which is characterized in that the collimation portion is cylindrical, described to open
Pass portion is cylindrical.
4. integration collimator according to claim 3, which is characterized in that the hollow space of the collimation portion is opened with described
The shape in pass portion matches, and there are setting gaps between the switch portion and the collimation portion.
5. a kind for the treatment of head, which is characterized in that integrated including shell, radioactive source and as described in any one of Claims 1-4
Collimator, the radioactive source and the integrated collimator are respectively positioned in the shell.
6. a kind of method using treatment head as claimed in claim 5, which is characterized in that the following steps：
S1 rotates collimation portion, and selects to need collimating aperture to be used, so that collimating aperture is right against radioactive source；
S2, rotating switch portion, and switch hole is made to be right against collimating aperture selected to use；
S3, after the completion of one section for the treatment of, rotating switch portion rotates collimating aperture again, and selection needs replacing the collimating aperture face used
Radioactive source goes back to switch portion and opens switch hole, starts again at treatment；
S4, circulation S3 are completed until treating, rotating switch portion and collimation portion, so that collimating aperture and switch hole are wrong with radioactive source
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614622.1A CN108815722A (en) | 2018-06-14 | 2018-06-14 | Integrated collimator, treatment head and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614622.1A CN108815722A (en) | 2018-06-14 | 2018-06-14 | Integrated collimator, treatment head and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108815722A true CN108815722A (en) | 2018-11-16 |
Family
ID=64142044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810614622.1A Pending CN108815722A (en) | 2018-06-14 | 2018-06-14 | Integrated collimator, treatment head and its application method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108815722A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908493A (en) * | 2019-03-22 | 2019-06-21 | 广州科莱瑞迪医疗器材股份有限公司 | Respiration gate control apparatus and system |
Citations (5)
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|---|---|---|---|---|
| CN2676951Y (en) * | 2003-12-31 | 2005-02-09 | 深圳市尊瑞科技有限公司 | Radiation therapy radiator |
| CN1634617A (en) * | 2003-12-31 | 2005-07-06 | 深圳市尊瑞科技有限公司 | Collimation aperture variable collimation device and varying method thereof |
| US7339174B1 (en) * | 2007-02-09 | 2008-03-04 | General Electric Company | Combined slit/pinhole collimator method and system |
| CN101195058A (en) * | 2007-11-27 | 2008-06-11 | 深圳市海博科技有限公司 | Multi-collimating body radiation therapy device |
| CN102441238A (en) * | 2010-09-30 | 2012-05-09 | 上海世鹏实验室科技发展有限公司 | Radiotherapy device, radiation device and collimating device |
-
2018
- 2018-06-14 CN CN201810614622.1A patent/CN108815722A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676951Y (en) * | 2003-12-31 | 2005-02-09 | 深圳市尊瑞科技有限公司 | Radiation therapy radiator |
| CN1634617A (en) * | 2003-12-31 | 2005-07-06 | 深圳市尊瑞科技有限公司 | Collimation aperture variable collimation device and varying method thereof |
| US7339174B1 (en) * | 2007-02-09 | 2008-03-04 | General Electric Company | Combined slit/pinhole collimator method and system |
| CN101195058A (en) * | 2007-11-27 | 2008-06-11 | 深圳市海博科技有限公司 | Multi-collimating body radiation therapy device |
| CN102441238A (en) * | 2010-09-30 | 2012-05-09 | 上海世鹏实验室科技发展有限公司 | Radiotherapy device, radiation device and collimating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908493A (en) * | 2019-03-22 | 2019-06-21 | 广州科莱瑞迪医疗器材股份有限公司 | Respiration gate control apparatus and system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |