CN201993467U - Body multi-source gamma beam three-dimensional orientation measurement die body - Google Patents
Body multi-source gamma beam three-dimensional orientation measurement die body Download PDFInfo
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- CN201993467U CN201993467U CN2011200463734U CN201120046373U CN201993467U CN 201993467 U CN201993467 U CN 201993467U CN 2011200463734 U CN2011200463734 U CN 2011200463734U CN 201120046373 U CN201120046373 U CN 201120046373U CN 201993467 U CN201993467 U CN 201993467U
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Abstract
The utility model discloses a body multi-source gamma beam three-dimensional orientation measurement die body, which is characterized by comprising a base body and a fixing base arranged horizontally on a measurement flat table. The base body is provided with an shape structure matched with an outline of the human body, a cube-shaped chamber is arranged in the center of the base body, a wedge-shaped cushion block, a 0.015cc thimble ionization chamber board, a film laying box board, a 0.6cc thimble ionization chamber board, a CT (computed tomography) verification board and/or an equal altitude cushion block are arranged inside the cube-shaped chamber from top down. A base body ruler is graved on the front end face of the base body, cross-shaped center lines used for indicating the isocenter position are marked on the left lateral side and the right lateral side of the base body, a base body locating hole is arranged on the lower portion of the base body, and a fixing pin working in matching mode with the base body locating hole is arranged on the upper portion of the fixing base. The body multi-source gamma beam three-dimensional orientation measurement die body adopts even organic glass materials to replace human tissues to simulate a fact that various rays cause changes due to scattering or absorbing in human tissues or human organs, namely that the body multi-source gamma beam three-dimensional orientation measurement die body simulates a physical process of interaction between the rays and the human tissues or the human organs.
Description
Technical field
The utility model relates to radiation therapy apparatus technical field, is specifically related to a kind of body multi-source gamma rays stereotactic radiotherapy measurement die body that the radiation therapy roentgen dose X is measured that is used for.
Background technology
When tumor patient is carried out radiation therapy, need to guarantee that patient's lesions position obtains roentgen dose X accurately.Be terrible roentgen dose X accurately, the most basic roentgen dose X with regard to needing therapy apparatus to produce is accurately, and the basis of calculating could be provided for follow-up work.The ray that the treatment for cancer of China's treatment now machine is produced mainly contains X ray and λ ray.The λ ray is because advantages such as its penetration power is strong, protection skin, bone and soft tissue have equal absorbed dose, other little to scattering, economic and reliable make it be used by the therapy apparatus more than 40%.The λ ray is produced by cobalt-60, and cobalt-60 a kind is the artificial radioisotope, and the λ ray that is produced has decay, and radioactivity reduces gradually, therefore need carry out a series of dosimeters to the cobalt source and measure.
Body multi-source gamma rays (λ) stereotactic radiotherapy is measured die body and is adopted uniform pmma material to substitute tissue, be used for simulating various rays at tissue or organ because of scattering or absorb caused variation, promptly simulate the interactional physical process of ray to tissue or organ.Be mainly used in mensuration and comparison, the dosimeter research (comprising the exploitation of new technology and the checking and the measurement of checking and therapeutic scheme) etc. of absorbed dose.
Summary of the invention
Technical problem to be solved in the utility model is: how to provide a kind of body multi-source gamma beam stereotaxis to measure die body, this body multi-source gamma beam stereotaxis measure die body adopt uniform pmma material substitute tissue be used for simulating various rays at tissue or organ because of scattering or absorb caused variation, promptly simulate the interactional physical process of ray to tissue or organ.
To achieve the above object of the invention, the technical scheme that the utility model adopted is: provide a kind of body multi-source gamma beam stereotaxis to measure die body, it is characterized in that: comprise matrix and the holder that lies on the measuring table; Described matrix has the contour structures with human body body profile phase coupling, the center of matrix is provided with a square cavity, is provided with correcting wedge, 0.015cc thimble ionization chamber plate, film holder plate, 0.6cc thimble ionization chamber plate, CT witness plate and/or contour cushion block in the square cavity from top to bottom; Be carved with the matrix scale on the front end face of described matrix, be marked with the cross centre line of centers such as indication on the left and right side of matrix; Described matrix underpart is provided with the matrix pilot hole; Described holder top is provided with the fixed pin with matrix pilot hole cooperating.
Measure die body according to body multi-source gamma beam stereotaxis provided by the utility model, it is characterized in that: described matrix is made by pmma material or solid water material, and holder, correcting wedge and contour cushion block are made by pmma material.
Measure die body according to body multi-source gamma beam stereotaxis provided by the utility model, it is characterized in that: described holder is provided with the levelling bolt that is used to adjust levelness.
Measure die body according to body multi-source gamma beam stereotaxis provided by the utility model, it is characterized in that: the length of side of described square cavity is 150mm.
Measure die body according to body multi-source gamma beam stereotaxis provided by the utility model, it is characterized in that: described contour cushion block is one highly to be the flat board of 10mm; Described correcting wedge is the flat board of two work that cooperatively interact, and the slope of two flat boards has the phase gradient.
In sum, body multi-source gamma beam stereotaxis provided by the utility model measure die body adopt uniform pmma material substitute tissue be used for simulating various rays at tissue or organ because of scattering or absorb caused variation, promptly simulate the interactional physical process of ray to tissue or organ.This body multi-source gamma beam stereotaxis is measured die body and is mainly used in the mensuration of absorbed dose and comparison, dosimeter research fields such as (comprising the exploitation of new technology and the checking and the measurement of checking and therapeutic scheme).
Description of drawings
Fig. 1 partly cuts open figure for what body multi-source gamma beam stereotaxis was measured die body;
Fig. 2 is the left view that body multi-source gamma beam stereotaxis is measured die body.
Wherein, 1, matrix; 2, correcting wedge; 3,0.015cc thimble ionization chamber plate; 4, film holder plate; 5,0.6cc thimble ionization chamber plate; 6, CT witness plate; 7, contour cushion block; 8, cross centre line; 9, holder; 10, matrix pilot hole; 11, fixed pin; 12, levelling bolt; 13, matrix scale.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
As shown in the figure, this body multi-source gamma beam stereotaxis measurement die body comprises matrix 1 and the holder 9 that lies on the measuring table; Described matrix 1 has the contour structures with human body body profile phase coupling, the center of matrix 1 is provided with a square cavity, is provided with correcting wedge 2,0.015cc thimble ionization chamber plate 3, film holder plate 4,0.6cc thimble ionization chamber plate 5, CT witness plate 6 and/or contour cushion block 7 in the square cavity from top to bottom; Be carved with matrix scale 13 on the front end face of described matrix 1, be marked with the cross centre line 8 of centers such as indication on the left and right side of matrix 1; Described matrix 1 bottom is provided with matrix pilot hole 10; Described holder 9 tops are provided with the fixed pin 11 with matrix pilot hole 10 cooperatings.
Described matrix 1 is made by pmma material or solid water material, and holder 9, correcting wedge 2 and contour cushion block 7 are made by pmma material.Described holder 9 is provided with the levelling bolt 12 that is used to adjust levelness.The length of side of described square cavity is 150mm.Described contour cushion block 7 is one highly to be the flat board of 10mm; Described correcting wedge 2 is the flat board of two work that cooperatively interact, and the slope of two flat boards has the phase gradient.
During use, holder lies on the measuring table, by the levelling bolt on the holder holder is adjusted to horizontal level.Matrix is installed on the holder by the fixed pin on the holder, simultaneously the matrix position that is up to the standard.The lifting measuring table projects the visual laser line on the cross centre line on the matrix, and matrix is adjusted to the measuring position.Contour cushion block is inserted in the square cavity at matrix center, the content choice of measuring is measured piece (as: 0.015cc thimble ionization chamber plate, film holder plate, 0.6cc thimble ionization chamber plate, CT witness plate and/or contour cushion block) and is placed in matrix center (to measure piece side mark line alignment matrix scale center) as required.If matrix square center is still gapped, install correcting wedge again, by regulating the correcting wedge position to eliminate the clearance at matrix center.After finishing cushion block and measuring the installation of piece as required emerging ray measure.
But; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (5)
1. a body multi-source gamma beam stereotaxis is measured die body, it is characterized in that: comprise matrix (1) and lie in holder (9) on the measuring table; Described matrix (1) has the contour structures with human body body profile phase coupling, the center of matrix (1) is provided with a square cavity, is provided with correcting wedge (2), 0.015cc thimble ionization chamber plate (3), film holder plate (4), 0.6cc thimble ionization chamber plate (5), CT witness plate (6) and/or contour cushion block (7) in the square cavity from top to bottom; Be carved with matrix scale (13) on the front end face of described matrix (1), be marked with the cross centre line (8) of centers such as indication on the left and right side of matrix (1); Described matrix (1) bottom is provided with matrix pilot hole (10); Described holder (9) top is provided with the fixed pin (11) with matrix pilot hole (10) cooperating.
2. body multi-source gamma beam stereotaxis according to claim 1 is measured die body, it is characterized in that: described matrix (1) is made by pmma material or solid water material, and holder (9), correcting wedge (2) and contour cushion block (7) are made by pmma material.
3. body multi-source gamma beam stereotaxis according to claim 1 is measured die body, and it is characterized in that: described holder (9) is provided with the levelling bolt (12) that is used to adjust levelness.
4. body multi-source gamma beam stereotaxis according to claim 1 is measured die body, and it is characterized in that: the length of side of described square cavity is 150mm.
5. body multi-source gamma beam stereotaxis according to claim 1 is measured die body, it is characterized in that: described contour cushion block (7) is one highly to be the flat board of 10mm; Described correcting wedge (2) is the flat board of two work that cooperatively interact, and the slope of two flat boards has the phase gradient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200463734U CN201993467U (en) | 2011-02-24 | 2011-02-24 | Body multi-source gamma beam three-dimensional orientation measurement die body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200463734U CN201993467U (en) | 2011-02-24 | 2011-02-24 | Body multi-source gamma beam three-dimensional orientation measurement die body |
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| Publication Number | Publication Date |
|---|---|
| CN201993467U true CN201993467U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200463734U Expired - Lifetime CN201993467U (en) | 2011-02-24 | 2011-02-24 | Body multi-source gamma beam three-dimensional orientation measurement die body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765283A (en) * | 2017-08-30 | 2018-03-06 | 温州医科大学附属第医院 | The strong arc Radiotherapy dosimetry checking die body of overlength target area multicenter adjustment with volume and method |
-
2011
- 2011-02-24 CN CN2011200463734U patent/CN201993467U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765283A (en) * | 2017-08-30 | 2018-03-06 | 温州医科大学附属第医院 | The strong arc Radiotherapy dosimetry checking die body of overlength target area multicenter adjustment with volume and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |