CN207306994U - A kind of gamma knife dose measuring systems - Google Patents
A kind of gamma knife dose measuring systems Download PDFInfo
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- CN207306994U CN207306994U CN201621214176.8U CN201621214176U CN207306994U CN 207306994 U CN207306994 U CN 207306994U CN 201621214176 U CN201621214176 U CN 201621214176U CN 207306994 U CN207306994 U CN 207306994U
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- ionisation chamber
- ball mould
- measuring systems
- gamma knife
- dose measuring
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Abstract
Medical instruments field is the utility model is related to, particularly a kind of gamma knife dose measuring systems, which includes being used for the ball mould and ionisation chamber plate for being inserted into ionisation chamber plate, and ionisation chamber plate is used to be inserted into ionisation chamber；The ball mould is equipped with the slot for being used for being inserted into ionisation chamber plate, which runs through ball mould, and slot is formed in the both sides of ball mould outer surface, and the ionisation chamber plate is equipped with the pore for being used for placing ionisation chamber；The ball mould is equipped with groove, which includes fixing groove and compensating tank.Compared to existing gamma knife dose measurement and calibrating installation, the utility model includes a bulb mould and the ionisation chamber plate that is adapted to therewith, more directly perceived, quick when measuring dose of radiation using the device, while can detect the dose of radiation of different directions.
Description
Technical field
The utility model is on medical instruments field, especially with regard to a kind of gamma knife dose measuring systems
Background technology
Gamma knife is also known as stereotaxis gamma-ray emission treatment system, is a kind of fusion the present computer technology, solid
Directional technology and surgical technic are in the therapeutic article of one, the gamma rays geometric focusing that it sends cobalt -60, concentration penetrate in
Lesion, disposable, lethal the tissue destroyed in target spot, and ray passes through human normal tissue almost fanout free region, and agent
Amount falls sharply, therefore it treats range of exposures and normal structure boundary clearly, and as being cut knife, people's image is referred to as at edge
" gamma knife ".
With the development of Radiation Medicine, various radiodiagnosis, Medical Devices it is growing, people increasingly pay close attention to equipment
The security and accuracy of given radiological dose, carry out accurate simulation detection to dose of radiation, formulate rational treatment plan
Need to gather substantial amounts of simulation test dose data, the equipment of associated analog irradiation becomes research hotspot.
A kind of existing gamma knife dose measuring systems that patent No. CN201126478 Y are announced include a kind of film scanner
And film fixed structure, the film fixed structure are spherical phantom, there is multifilm fixed slot above, by glue during dose measurement
The fixed slot of piece certifying organization is inserted into multiple films, then implements the irradiation of γ light, after the scanned instrument scanning of the film after irradiation
It will obtain data supply computer and carry out three-dimensional reconstruction acquisition three-dimensional data distribution, and compared with the result of calculation of TPS, i.e.,
Irradiation position and dose error can be calculated.Patent No. CN202478423 U announce a kind of hemispherical γ light detection die body, the mould
Body includes that film plateholder can be fixed, and is located at the film in the visual field by the irradiation of γ light and passes through film development, data conversion
And Computerized three-dimensional modeling irradiates the relevant informations such as precision, dose of radiation to obtain, and is obtained by being contrasted with the value for the treatment of plan
Relevant treatment error.Other correlation r photo etchings amount detecting devices are also primarily used to the fixation of developed film.However, above-mentioned dress
Put the common trait when detecting dosage be need to develop to photo and follow-up data conversion, computer digital animation, more
It is cumbersome.
The device of the utility model includes a bulb mould and matched ionisation chamber plate, and ionisation chamber plate is inserted into
In the ball mould of adaptation, by irradiating the ionisation chamber in ball mould, target dose can be more intuitively measured, simplifies operation.
Utility model content
In view of the above-mentioned problems in the prior art, the main purpose of the utility model is that providing a kind of gamma knife agent
Amount detecting device, quickly and conveniently can be detected dose of radiation.
The purpose of this utility model is to be achieved through the following technical solutions：
A kind of gamma knife dose measuring systems, including locating support and the ball mould that is fixed on locating support, the ball mould
Slot is equipped with, which runs through ball mould, and forms slot, slot interpolation along the centrosymmetric both sides of the centre of sphere in ball mould outer surface
There is ionisation chamber plate, the ionisation chamber plate is equipped with the pore for being used for placing ionisation chamber.
Further, the geometric center of the ionisation chamber plate is consistent with the geometric center of ball mould, the envelope of the pore
Closed end is located at the geometric center of ionisation chamber plate.
Further, the ball mould further includes groove, and groove includes fixing groove and compensating tank；Fixing groove has to be adapted to therewith
Fixed block, compensating tank has the compensation block that is adapted to therewith.
Further, the fixing groove is two, is respectively arranged at slot；The compensating tank is two, along the centre of sphere
The heart is symmetrical.
Further, semi-circular recesses are opened up to both sides in the middle part of the slot, two semi-circular recesses collectively form fixation
Groove.
Further, the fixed block and fixing groove insert axis connection by first, and the compensation block and compensating tank pass through the
Two insert axis connection.
Further, the fixed block can be connected with compensating tank, and the compensation block can be connected with fixing groove.
Further, the ball mould is fixedly connected on locating support by fixed block, and the compensation block compensates ball mould
Globulate.
Further, the ball mould is made of two hemisphere, and two hemisphere are symmetrical by the face where ionisation chamber plate.
Further, registration holes are equipped with the ball mould and ionisation chamber plate.
Beneficial effect：The device of the utility model includes a bulb mould and matched ionisation chamber plate, will ionize
In the ball mould of room plate insertion adaptation, by irradiating the ionisation chamber in ball mould, target dose can be more intuitively measured, is simplified
Operation, and ball mould can be fixed on fixing bracket along different directions, realize and different incident direction γ light dosages are detected
Purpose.The device ensures in the routine quality of γ light devices and quality control, the new installation of equipment are checked and accepted, after equipment rebuilding
Performance detection, be that substantial amounts of physical data for the treatment of planning systems collection preparation etc. plays a significant role, and uses the device mould
Intend treatment irradiation, can realize the calibration of exposure dose, help to formulate more accurate treatment plan to patient.
Brief description of the drawings
Fig. 1 is the sectional front view after the ball mould described in the utility model embodiment is splitted along slot；
Fig. 2 be described in the utility model embodiment ball mould insertion ionisation chamber plate and fixed block after splitted along slot face after
Front view；
Fig. 3 is the structure diagram of the ionisation chamber plate described in the utility model embodiment；
Fig. 4 is the top view of the ball mould described in the utility model embodiment；
Fig. 5 is the left view of the ball mould described in the utility model embodiment；
Fig. 6 is the structure diagram of the fixed block described in the utility model embodiment；
Fig. 7 is the structure diagram of the compensation block described in the utility model embodiment；
Fig. 8 is the structure diagram of the slotting axis described in the utility model embodiment；
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached
The detailed description of the embodiment of the utility model provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiment in the utility model, ordinary skill people
Member's all other embodiments obtained without creative efforts, belong to the model of the utility model protection
Enclose.
The utility model is further described with specific embodiment below with reference to accompanying drawings.
A kind of gamma knife dose measuring systems, including locating support and the ball mould 4 that is fixed on locating support, see Fig. 4 or
Fig. 5, the ball mould are equipped with the slot 15 for being used for being inserted into ionisation chamber plate shown in Fig. 3 23, see Fig. 1, which runs through ball mould,
And diagrammatically shown slot 41 is formed along the centrosymmetric both sides of the centre of sphere in ball mould outer surface, the ionisation chamber plate 23 is equipped with and puts
The pore 21 of ionisation chamber is put, ball mould is inserted into 15 when detecting use by 23.
As a kind of preferred embodiment of above-described embodiment, as shown in figure 3, the ionisation chamber plate 23 is suitable with slot 15
Match somebody with somebody, the geometric center of ionisation chamber plate 23 is consistent with ball mould center, and the blind end of pore 21 is located in the geometry of ionisation chamber plate
The heart.
As it is above-mentioned be embodiment a kind of preferred embodiment, 23 upper and lower side of ionisation chamber plate shown in Fig. 3 respectively has one
Notch 3, the notch are made of a bottom surface 31 and two sides 32.
As a kind of preferred embodiment of above-described embodiment, the ball mould 4 further includes groove, and groove is divided into shown in Fig. 4
Compensating tank 42 and fixing groove 11；Compensating tank 42 has the compensation block 51 being adapted to therewith, sees Fig. 7, and fixing groove 11 has fits therewith
The fixed block 24 matched somebody with somebody, is shown in Fig. 6.
As a kind of preferred embodiment of above-described embodiment, as shown in figure 4, opening up semicircle from the middle part of slot 41 to both sides
The groove of shape, when the fully-inserted ball mould of ionisation chamber plate 23, the bottom surface 31 of the notch 3 of ionisation chamber plate 23, ionisation chamber plate 23
32, two semi-circular grooves of notches sides collectively form fixing groove 11, section as shown in Figure 2.
As a kind of preferred embodiment of above-described embodiment, as shown in figure 4, fixing groove 11 is two, it is respectively arranged at
At two symmetrical slots 41；Compensating tank 42 is two, along centre of sphere central symmetry.
As a kind of preferred embodiment of above-described embodiment, as shown in fig. 6, fixed block lower part 61 is adapted to fixing groove,
It is inserted into the profile of fixing groove and sees Fig. 2, and the hole 62 on top 6 and 6 is used to connect locating support.Compensation block 51 shown in Fig. 7 is used
In by the compensation of ball mould, into sphere, it is inserted into the schematic diagram of ball mould compensating tank 42 and sees Fig. 5.
As a kind of preferred embodiment of above-described embodiment, the first fixation is respectively equipped with fixed block 24 and fixing groove 11
25 and second mounting hole 22 of hole, the first mounting hole 25 align mutually with the second mounting hole 22, and the first mounting hole 25 and second is fixed
Hole 22 is inserted axis with first and is adapted to, and fixed block 24 inserts axis connection with fixing groove 11 by first, sees profile 2；The compensation block 51
Hole 5 is compensated with the first compensation hole 52 and second is respectively equipped with compensating tank 42, it is mutually opposite that the first compensation hole 52 and second compensates hole 5
Position, the first compensation hole 52 and second compensate hole 5 and are adapted to the second slotting axis, and compensation block 51 is inserted axis by second with compensating tank 42 and connected
Connect, see schematic diagram 5.
As a kind of preferred embodiment of above-described embodiment, first mounting hole 22, the second mounting hole 25 and first
It is identical to compensate compensation 52 size of hole of hole 5, second, the first slotting axis is identical with the second slotting axis size, as shown in Figure 8.Compensation block 51 with
Fixing groove 11 is adapted, and can be fixedly connected by inserting axis, 24 lower part 61 of fixed block is adapted with compensating tank 42, can be passed through
Slotting axis is fixedly connected.
As a kind of preferred embodiment of above-described embodiment, when compensating tank 42 is connected with fixed block 4, compensation block 51 is with consolidating
Determine groove 11 connect when, ball mould can be fixed on locating support in another direction, can detect at this time γ light along ball mould other
The dose of radiation of direction incidence.
As a kind of preferred embodiment of above-described embodiment, ball mould shown in Fig. 44 is by two identical 1 structures of hemisphere
Into hemisphere 1 can be found in Fig. 1, and two hemisphere are symmetrical by the face where ionisation chamber plate.
As a kind of preferred embodiment of above-described embodiment, ionisation chamber plate shown in Fig. 3 23 is equipped with plate registration holes,
Registration holes also are provided with corresponding hemisphere, one as shown in Figure 1 at socket center, is referred to as the first registration holes 14, another two
Close to slot 41 and, referred to as second registration holes 13 symmetrical along socket center；Plate registration holes have two, along plate central symmetry；
When ionisation chamber plate 23 is inserted into slot 15, plate registration holes 2 can be made to align with the second registration holes 13, and the lucky position in plate center
Among the first registration holes 14 of two hemisphere.
As a kind of preferred embodiment of above-described embodiment, the mounting hole 22 in the fixing groove has two, symmetrical point
It is distributed on two hemisphere, sees Fig. 4, when fixing groove 42 is connected with compensation block 51 or fixed block 24, compensation block 51 or fixed block
24 also act as the fixation for the ionisation chamber plate 23 being pointed in ball mould 4, as shown in Fig. 2 profiles.
When it is implemented, using the special spherical phantom (hereinafter referred to as special die body) of diameter 160mm, insertion ionisation chamber is inserted
Plate, makes ionisation chamber plate be aligned with ball mould by registration holes, ball mould is installed on locating support by fixed block, compensation block will
Ball mould compensates globulate.Ionisation chamber is inserted into ionisation chamber panel surfaces tapping, at this moment the effective measuring center of ionisation chamber (ionizes
Room terminal will be with ball mould center alignment), special die body is sent into predetermined irradiation position with therapeutic bed, uses the standard of a diameter of 18mm
Straight device, open irradiation system irradiation, read gauge reading, and calculate focus accordingly with the absorbed dose rate in water.
Finally it should be noted that：Above-described each embodiment is merely to illustrate the technical solution of the utility model, rather than
It is limited；Although the utility model is described in detail with reference to the foregoing embodiments, those of ordinary skill in the art
It should be understood that：It can still modify the technical solution described in previous embodiment, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or substitutions, the essence of appropriate technical solution is departed from the utility model
The scope of each embodiment technical solution.
Claims (10)
1. a kind of gamma knife dose measuring systems, including locating support and the ball mould that is fixed on locating support, it is characterised in that
The ball mould is equipped with slot, which runs through ball mould, and forms slot along the centrosymmetric both sides of the centre of sphere in ball mould outer surface,
Ionisation chamber plate is inserted into slot, the ionisation chamber plate is equipped with the pore for being used for being inserted into ionisation chamber.
2. gamma knife dose measuring systems according to claim 1, it is characterised in that ionisation chamber plug geometric center with
Ball mould center is consistent, and the blind end of ionisation chamber pore is located at the geometric center of ionisation chamber plate.
3. gamma knife dose measuring systems according to claim 2, it is characterised in that the ball mould further includes groove, recessed
Groove includes fixing groove and compensating tank；Fixing groove has the fixed block being adapted to therewith, and compensating tank has the compensation block being adapted to therewith.
4. gamma knife dose measuring systems according to claim 3, it is characterised in that opened up in the middle part of the slot to both sides
Semi-circular recesses, two semi-circular recesses collectively form fixing groove.
5. gamma knife dose measuring systems according to claim 4, it is characterised in that the fixing groove is two, respectively
It is arranged at slot；The compensating tank is two, along centre of sphere central symmetry.
6. the gamma knife dose measuring systems according to claim 3 or 5, it is characterised in that the fixed block and fixing groove
Axis connection is inserted by first；The compensation block inserts axis connection with compensating tank by second.
7. gamma knife dose measuring systems according to claim 6, it is characterised in that the fixed block can be with compensating tank
It is fixedly connected, the compensation block can also be fixedly connected with fixing groove.
8. gamma knife dose measuring systems according to claim 7, it is characterised in that the ball mould is fixed by fixed block
It is connected on locating support, ball mould is compensated globulate by the compensation block.
9. gamma knife dose measuring systems according to claim 7, it is characterised in that the ball mould is by two hemisphere structures
Into two hemisphere are symmetrical by the face where ionisation chamber plate.
10. the gamma knife dose measuring systems according to claim 2 or 9, it is characterised in that the ball mould and ionisation chamber are inserted
Registration holes are equipped with plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214176.8U CN207306994U (en) | 2016-11-10 | 2016-11-10 | A kind of gamma knife dose measuring systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214176.8U CN207306994U (en) | 2016-11-10 | 2016-11-10 | A kind of gamma knife dose measuring systems |
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| Publication Number | Publication Date |
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| CN207306994U true CN207306994U (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621214176.8U Active CN207306994U (en) | 2016-11-10 | 2016-11-10 | A kind of gamma knife dose measuring systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301931A (en) * | 2019-07-24 | 2019-10-08 | 东软医疗系统股份有限公司 | Coordinate registration die body, multi-mode imaging system and its method for registering images |
-
2016
- 2016-11-10 CN CN201621214176.8U patent/CN207306994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301931A (en) * | 2019-07-24 | 2019-10-08 | 东软医疗系统股份有限公司 | Coordinate registration die body, multi-mode imaging system and its method for registering images |
| CN110301931B (en) * | 2019-07-24 | 2023-10-31 | 沈阳智核医疗科技有限公司 | Coordinate registration die body, multi-mode imaging system and image registration method thereof |
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