CN100428967C - Zoom ray focusing apparatus - Google Patents
Zoom ray focusing apparatus Download PDFInfo
- Publication number
- CN100428967C CN100428967C CNB031253962A CN03125396A CN100428967C CN 100428967 C CN100428967 C CN 100428967C CN B031253962 A CNB031253962 A CN B031253962A CN 03125396 A CN03125396 A CN 03125396A CN 100428967 C CN100428967 C CN 100428967C
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- zoom
- focusing
- ray
- focus
- mode
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Abstract
The present invention relates to a zoom ray focusing apparatus which comprises a focusing body 1, wherein a radioactive source 6 is arranged on the focusing body 1. The present invention has the advantages that a novel ray focusing mode-a zoom focusing mode is adopted; the zoom focusing mode can greatly decrease the excursion of a physical center and a geometric center; the problem is not realized by a parfocal mode; the zoom focusing mode also greatly decreases physical penumbra. Because of the improvement of physical performance, the present invention not only decreases damage to patients' normal tissues but also enhances therapeutic accuracy. The zoom ray focusing apparatus can furthest protect patients' important organs against damaging when the patients' important organs are treated by increasing tissue protectors.
Description
Technical field
The present invention relates to the armarium technical field, specifically a kind of zoom ray focusing device.
Background technology
The type of focusing of lonizing radiation is mainly finished by how much mode at present.As patent documentation CN1087551A, CN1050062C, CN104984CC etc., several ray focusing devices have just been introduced.They are all by spheric radioactive source carrier and ray collimation body space ray geometric focusing, its common feature is a radioactive source to the length (focal length) of focus is to equate and fixed, the remarkable deficiency of this type of focusing is exactly that the physical performance index of focus is not good, particularly physical centre (or irradiation center) departs from bigger with geometric center, and the physics penumbra is also bigger, the irradiation inaccuracy, and can not adjust, the normal tissue to the patient causes damage like this.
Summary of the invention
The objective of the invention is to make radioactive source is variable to the distance of focus, can reduce the geometric center of focus and the skew of physical centre by regulating a plurality of radioactive sources greatly to the distance of focus, and significantly reduce the zoom ray focusing device of physics penumbra.
Zoom ray focusing device of the present invention comprises: focus on body, focus on the body emission source is housed, emission source is variable to the distance of focus.
The focusing body is an ellipsoid, by clinical needs at least two emission sources is housed on the ellipsoid.
The focusing body comprises: radioactive source carrier, ray collimation body.
Focus on intracoelomic cavity organization protection's device is housed.
Organization protection's device can stop the ray of the emission of needs radioactive source not according to clinical needs, and the getting well to organize of protection patient is not subjected to encroach on.
Focusing body, organization protection's device all can rotate around transverse under power drive.
The advantage of zoom ray focusing device of the present invention is: adopt novel ray focusing mode-zoom to focus on, it can significantly reduce the skew of physical centre and geometric center, and this is that parfocal can not be realized, and has reduced the physics penumbra.Make the improvement of physical property, not only reduced the infringement of patient's normal structure, and improved the accuracy of treatment.By increasing organization protection's device, be without prejudice in the time of can protecting the treatment of patient's vitals to a greater extent.
Description of drawings
Accompanying drawing is the structural representation of zoom ray focusing device.
The specific embodiment
With reference to the accompanying drawings; focusing on body 1 is made up of the ray collimation body 5 that ellipsoidal radioactive source carrier 4 inner chambers are equipped with ellipse substance; several radioactive sources 6 according to the needs of medical treatment are housed on the ellipsoidal radioactive source carrier 4; the passage of the collimator 8 on the ray channel of radioactive source and the ray collimation body 5 is that correspondence communicates, and organization protection's device 2 is contained in the inner chamber of ray collimation body 5.Radioactive source carrier 4, ray collimation body 5 all is contained on the rotating shaft 10,12 of ellipsoid major axis, and drive and can rotate with power 11, radiation protection body 3 on focusing body 1 outer housing, Here it is a complete radiating medical equipment is mixed computer and software administration gets final product.
Claims (2)
1, a kind of zoom ray focusing device, comprise: focus on body (1), focus on the body (1) radioactive source (6) is housed, it is characterized in that: focus on body (1) and be ellipsoid, at least two radioactive sources (6) are housed on the ellipsoid, each radioactive source (6) is variable to the distance of focus (13), and collects on the oval focus (13).
2, zoom ray focusing device according to claim 1 is characterized in that: focus on body (1) inner chamber organization protection's device (2) also is housed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031253962A CN100428967C (en) | 2003-09-09 | 2003-09-09 | Zoom ray focusing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031253962A CN100428967C (en) | 2003-09-09 | 2003-09-09 | Zoom ray focusing apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1593685A CN1593685A (en) | 2005-03-16 |
CN100428967C true CN100428967C (en) | 2008-10-29 |
Family
ID=34658748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031253962A Expired - Lifetime CN100428967C (en) | 2003-09-09 | 2003-09-09 | Zoom ray focusing apparatus |
Country Status (1)
Country | Link |
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CN (1) | CN100428967C (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5528653A (en) * | 1993-04-13 | 1996-06-18 | Song; Shipeng | Rotational coniformly-focused gamma radiating unit |
CN1163155A (en) * | 1996-12-17 | 1997-10-29 | 深圳奥沃国际科技发展有限公司 | Rotary gamma ray radiation unit |
-
2003
- 2003-09-09 CN CNB031253962A patent/CN100428967C/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5528653A (en) * | 1993-04-13 | 1996-06-18 | Song; Shipeng | Rotational coniformly-focused gamma radiating unit |
CN1163155A (en) * | 1996-12-17 | 1997-10-29 | 深圳奥沃国际科技发展有限公司 | Rotary gamma ray radiation unit |
Also Published As
Publication number | Publication date |
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CN1593685A (en) | 2005-03-16 |
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PB01 | Publication | ||
C10 | Entry into substantive examination | ||
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C14 | Grant of patent or utility model | ||
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CX01 | Expiry of patent term | ||
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Granted publication date: 20081029 |