CN2523451Y - Shape adaptive enhanced therapeutical device based on normal cobalt-60 instrument - Google Patents
Shape adaptive enhanced therapeutical device based on normal cobalt-60 instrument Download PDFInfo
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- CN2523451Y CN2523451Y CN 01251180 CN01251180U CN2523451Y CN 2523451 Y CN2523451 Y CN 2523451Y CN 01251180 CN01251180 CN 01251180 CN 01251180 U CN01251180 U CN 01251180U CN 2523451 Y CN2523451 Y CN 2523451Y
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- treatment
- conventional cobalt
- cobalt
- treating machines
- utility
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- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 title claims abstract description 35
- 230000001225 therapeutic effect Effects 0.000 title claims description 19
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000011282 treatment Methods 0.000 claims abstract description 34
- 238000002560 therapeutic procedure Methods 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000001959 radiotherapy Methods 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 abstract description 4
- 206010028980 Neoplasm Diseases 0.000 description 9
- 230000002285 radioactive effect Effects 0.000 description 4
- 238000002721 intensity-modulated radiation therapy Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 2
- 208000028990 Skin injury Diseases 0.000 description 1
- 231100000987 absorbed dose Toxicity 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002638 palliative care Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Radiation-Therapy Devices (AREA)
Abstract
The utility model discloses an intensity modulated conformal therapy device which is based on a conventional cobalt-60 treatment machine, a multi-leaf collimator connecting adapter 2 is arranged on a treatment head of the conventional cobalt-60 treatment machine, a multi-leaf collimator can be connected with the treatment head of the conventional cobalt-60 treatment machine by the adapter, furthermore, the multi-leaf collimator can rotate along with the treatment head around a center, the radiation field central axis line of the multi-leaf collimator is coincided with the radiation field output axis of the conventional cobalt-60 treatment machine; the utility model uses a digital control three-dimensional coordinate treatment bed to replace an analog treatment bed of the conventional cobalt-60 treatment machine; the utility model is further provided with a set of positioning bed body and a positioning head frame. The utility model has reasonable structure, which can not only retain the functions of the original cobalt-60 treatment machine, but can also be used in the three-dimensional intensity modulated conformal radiation therapy with broad application.
Description
Technical field
This utility model relates to the therapeutic equipment in the radiating medical apparatus, particularly on the basis of conventional cobalt-60 treating machines, transform and form can realize the strong radiocurable device of three-dimensional suitable-shape regulating.
Two, background technology
Conventional cobalt-60 treating machines is generally selected cobalt-60 radioactive source for use, forms the radiation open country of certain size by the collimator of regular shape.Conventional cobalt-60 treating machines can wait the center rotation so that can treat tumors from different orientation during treatment.But this therapy apparatus launched field is big, and normal tissue cell is also shone by large tracts of land during the irradiation tumor, and especially too big to skin injury, therefore, it only is applicable to preoperative complementary radiotherapy and radioactivity palliative treatment.
The development of conformal intensity modulated radiation therapy technology starts from 20 th century later, it is by the reasonable pendulum position and the associated movement of multi-leaf optical grating and blade, can make effective shape of irradiation field consistent, the absorbed dose of inside tumor each point are equated with the projection of shape of tumor on the launched field central axis direction.By conformal intensity modulated treatment, can when effectively treating tumor, protect patient's normal structure to avoid radiation damage to greatest extent.Conformal intensity modulated radiation therapy technology will be the main flow direction of 21 century radiation therapy technology.
Three, summary of the invention
The purpose of this utility model is by conformal intensity modulated radiation therapy technology is combined with conventional cobalt-60 treating machines, on the basis that keeps conventional cobalt-60 treating machines original function, add conformal intensity modulated radiocurable function, the function of original cobalt-60 treating machines is strengthened greatly, to satisfy the requirement of most of tumour radiotherapies.
For realizing this purpose, this utility model adopts following design: a kind of conformal intensity modulated therapy equipment based on conventional cobalt-60 treating machines, comprise conventional cobalt-60 treating machines 1, multi-diaphragm collimator 5, numerical control three-dimensional coordinate therapeutic bed 9 etc., and it is characterized in that:
A, on the treatment head of conventional cobalt-0 therapy apparatus, be installed on multi-leaf optical grating connection adaptor 2, multi-diaphragm collimator 5 can be connected with the treatment head of conventional cobalt-60 treating machines by this adapter, and can be with first of treatment around waiting center rotation, the launched field central axis 4 of multi-diaphragm collimator 5 and the launched field output shaft of conventional cobalt-60 treating machines coincide;
B, replace the analog therapeutic bed of conventional cobalt-60 treating machines with numerical control three-dimensional coordinate therapeutic bed 9;
C, also be provided with cover location bed body and a positioning head frame 12.
This utility model is the shape that adopts multi-diaphragm collimator restriction launched field, and the motion by numerical control three-dimensional coordinate bed, in conjunction with location bed body realization three-dimensional conformal Intensity Modulation Radiated Therapy (IMRT).
The therapeutic bed of conventional cobalt-60 treating machines generally all is simulation control, and three-dimensional control accuracy is lower, and for realizing conformal intensity modulated radiocurable function, this utility model adopts numerical control three-dimensional coordinate bed to replace original simulation therapeutic bed.This bed can be on x, y, three directions of z high precision movement and location, the whole bed body can be around waiting 10 rotations of center steering axle simultaneously.Simultaneously, therapeutic bed also being implemented accurate control around isocentric rotation improves.Improve by these, the locus control accuracy of therapeutic bed is increased substantially, can satisfy conformal intensity modulated radiocurable requirement.
When implementing conformal intensity modulated radiotherapy, the accurate repeated positioning of patient when diagnosis and treatment is a crucial basic premise condition.For this reason, adopt location bed body and positioning head frame in this utility model, to realize patient's accurate resetting.
In summary, this utility model is rational in infrastructure, has not only kept the function of original cobalt-60 treating machines, and can be used for the three-dimensional conformal Intensity Modulation Radiated Therapy (IMRT), and purposes is wider.
Four, description of drawings Fig. 1 is a structural representation of the present utility model.
Five, the specific embodiment:
As shown in Figure 1, in an embodiment, this utility model comprises conventional cobalt-60 treating machines 1, multi-leaf optical grating adapter 2, multi-diaphragm collimator 5, location bed body and positioning head frame 12, replaces the numerical control three-dimensional coordinate therapeutic bed 9 etc. of the analog therapeutic bed of conventional cobalt-60 treating machines.Wherein, multi-leaf optical grating adapter 2 is installed on the treatment head of conventional cobalt-60 treating machines 1, multi-diaphragm collimator 5 can be connected with the treatment head of conventional cobalt-60 treating machines by it, and can be with first of treatment around waiting center rotation, the launched field central axis 4 of multi-diaphragm collimator 5 and the launched field output shaft of conventional cobalt-60 treating machines coincide; Numerical control three-dimensional coordinate therapeutic bed 9 can be on x, y, three directions of z high precision movement and location, the whole bed body can be around waiting 10 rotations of center steering axle simultaneously; 7 rotation axiss among Fig. 1 for the treatment head.
During use, patient obtains a series of cross-sectional image after CT or MR scanning, these images are sent in the treatment planning systems (TPS).In TPS, implement various calculating, determine the locus and the shape of tumor 11,, and calculate the irradiation time of each launched field and transfer strong dose distribution etc. at suitable angular arrangement launched field.TPS can will treat head by the requirement of each launched field, the three-dimensional therapeutic bed of numerical control is rationally put the position after hitting the target, and the motion of control multi-diaphragm collimator 5, to implement conformal intensity modulated radiotherapy.
Because the Source Axis Distance of conventional cobalt-60 treating machines is shorter from 6, and radioactive source 3 has occupied a sizable part therein to the lower surface distance for the treatment of head, so, after the treatment head has been carried additionally multi-diaphragm collimator 5, make that the lower surface of multi-diaphragm collimator 5 is very near apart from isocentric distance, possibility with patient's collision is arranged when the rotation of treatment head, for this reason, this utility model adopts following measure: when implementing radiotherapy, by moving of the three-dimensional therapeutic bed of numerical control, make the therapeutic community of tumor 11 move 10-30cm to direction, i.e. distance for this reason shown in 8 among Fig. 1 away from radioactive source 3 along launched field central shaft 4.Like this, effectively avoid when rotation treatment head and patient's possibility of collision, objectively reached the radiotherapy of Source Axis Distance increasing.
In addition, when adopting a plurality of launched field treatments or different angles radiothreapy,continuous, to different launched fields, the tumor treatment center is identical to the distance that moves away from the radioactive source direction along the launched field central shaft, also is 10-30cm.Thereby,, just realized strengthening many launched fields or continuous isocentric treatment under the Source Axis Distance situation by the associated movement of therapeutic bed with the treatment head.
When implementing the conventional planning treatment, the window of multi-diaphragm collimator 5 can be reached suitable dimension, perhaps multi-diaphragm collimator is unloaded from the treatment head, thereby, make the original function of conventional cobalt-60 treating machines can not be subjected to above-mentioned improved influence of this utility model fully.
Claims (1)
1, a kind of conformal intensity modulated therapy equipment based on conventional cobalt-60 treating machines comprises conventional cobalt-60 treating machines (1), multi-diaphragm collimator (5), numerical control three-dimensional coordinate therapeutic bed (9) etc., it is characterized in that:
A, on the treatment head of conventional cobalt-60 treating machines, be installed on multi-leaf optical grating connection adaptor (2), multi-diaphragm collimator (5) can be connected with the treatment head of conventional cobalt-60 treating machines by this adapter, and can be with first of treatment around waiting center rotation, the launched field central axis (4) of multi-diaphragm collimator (5) and the launched field output shaft of conventional cobalt-60 treating machines coincide;
B, replace the analog therapeutic bed of conventional cobalt-60 treating machines with numerical control three-dimensional coordinate therapeutic bed (9);
C, also be provided with cover location bed body and a positioning head frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01251180 CN2523451Y (en) | 2001-10-26 | 2001-10-26 | Shape adaptive enhanced therapeutical device based on normal cobalt-60 instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01251180 CN2523451Y (en) | 2001-10-26 | 2001-10-26 | Shape adaptive enhanced therapeutical device based on normal cobalt-60 instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2523451Y true CN2523451Y (en) | 2002-12-04 |
Family
ID=33661177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01251180 Expired - Lifetime CN2523451Y (en) | 2001-10-26 | 2001-10-26 | Shape adaptive enhanced therapeutical device based on normal cobalt-60 instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2523451Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658629A (en) * | 2013-11-20 | 2015-05-27 | 上海联影医疗科技有限公司 | Blade driving structure and multi-blade collimator |
-
2001
- 2001-10-26 CN CN 01251180 patent/CN2523451Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658629A (en) * | 2013-11-20 | 2015-05-27 | 上海联影医疗科技有限公司 | Blade driving structure and multi-blade collimator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Patentee address after: Dalian high tech park, 116025 Liaoning province Qixianling XinDa Street No. 51 Patentee address before: 116021 No. 4, Chun Ying Street, Shahekou District, Liaoning, Dalian |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20111026 Granted publication date: 20021204 |