CN201291000Y - Automatic replacement collimator of gamma knife system - Google Patents
Automatic replacement collimator of gamma knife system Download PDFInfo
- Publication number
- CN201291000Y CN201291000Y CNU2008202129125U CN200820212912U CN201291000Y CN 201291000 Y CN201291000 Y CN 201291000Y CN U2008202129125 U CNU2008202129125 U CN U2008202129125U CN 200820212912 U CN200820212912 U CN 200820212912U CN 201291000 Y CN201291000 Y CN 201291000Y
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- collimator
- automatic replacing
- dimensional motion
- storehouse
- anchor clamps
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Abstract
The utility model discloses an automatic collimator replacing device for a gamma-knife system which comprises a frame, a machine head, a collimator storeroom and a plurality of collimators. The collimators are arranged at the machine head or in the collimator storeroom. The automatic collimator replacing device comprises a three-dimensional motion mechanism and a clamp which are fixedly connected with each other. Pluralities of keys are arranged on the clamp and are inserted into the corresponding locks of the collimators to unlock, clamp or lock the collimators. The three-dimensional motion mechanism controls the clamp to move between the machine head and the collimator storeroom. In this way, the automatic collimator replacing device can automatically replace the collimators during the gamma-knife treatment process, thereby maintaining the health of the medical workers and improving the work efficiency of replacing the collimators.
Description
Technical field
This utility model relates to medical instruments field, relates in particular to the automatic replacing collimator apparatus of a kind of gamma knife system.
Background technology
Gamma knife is a kind of therapeutic equipment that merges computer technology, horseley-Clarke technique and surgical technic in one, and full name is a gamma ray stereotactic irradiation system.Gamma knife utilizes gamma ray (r ray) to pass through Precise Position System, focus is carried out the directional focusing irradiation and produced great destruction, to reach the therapeutic purposes of destroying pathological tissues (tumor), simultaneously the radioactive dose of normal surrounding tissue and organ is reduced to minimum, thereby improve the treatment ratio of gains to greatest extent.General gamma knife mainly is made up of frame and head, wherein puts cobalt source (cobalt-60) and collimator in the head, the directed irradiation field that obtains with focusing on of the collimating aperture of the collimated device of gamma ray that send in the cobalt source.Gamma knife can be equipped with the collimator of one group of collimating aperture that varies in size, and according to the concrete condition of focus, the doctor requires to select different apertures according to treatment when doing treatment plan collimator shines the pathological tissues directional focusing to adopt suitable irradiation field.But, the collimator of existing gamma knife is changed by medical personnel by changing manually, though changing collimator is to carry out under the situation that the safety width of cloth is penetrated, but it is if so long-term, its health to medical personnel still can cause suitable infringement, and the work efficiency of changing manually is low.
In summary, the replacing technology of collimator in the existing gamma knife system obviously exists inconvenience and defective, so be necessary to be improved on reality is used.
The utility model content
At above-mentioned defective, the purpose of this utility model is to provide the automatic replacing collimator apparatus of a kind of gamma knife system, it can realize the automatic replacing of collimator in the gamma knife therapeutic process, thereby can safeguard medical personnel's health, and improves the work efficiency of changing collimator.
To achieve these goals, this utility model provides the automatic replacing collimator apparatus of a kind of gamma knife system, described gamma knife system comprises frame, head, collimator storehouse and some collimators, described collimator is placed in described head or the collimator storehouse, described automatic replacing collimator apparatus includes affixed three-dimensional motion mechanism and anchor clamps mutually, described anchor clamps are provided with some keys, and described key inserts to be unblanked, clamp collimator in the lock of described collimator correspondence or shut; Described three-dimensional motion mechanism is controlled described anchor clamps and is moved between described head and collimator storehouse.
According to automatic replacing collimator apparatus of the present utility model, described three-dimensional motion mechanism comprises base and the montant that connects by first kind chute mutually, and described montant moves in Z-direction on described base by described first kind chute; Described montant is connected with a cross bar by the second class chute, and described cross bar moves in X-axis or Y direction on described montant by the described second class chute.
According to automatic replacing collimator apparatus of the present utility model, described three-dimensional motion mechanism is a three-dimensional motion machinery hands.
According to automatic replacing collimator apparatus of the present utility model, described anchor clamps comprise chuck body, and described chuck body top is provided with a junction, and described connecting portion and described three-dimensional motion mechanism are affixed; The two ends of described chuck body below are respectively equipped with a key, and described two keys insert to be unblanked, clamp collimator in two locks of described collimator or shut.
According to automatic replacing collimator apparatus of the present utility model, be provided with some collimation tanks in the collimator storehouse of described gamma knife system, this collimation tank is respectively applied for collimator and full-shield collimator of depositing several different collimating apertures.
According to automatic replacing collimator apparatus of the present utility model, be provided with pick off in each collimation tank on the collimator storehouse of described gamma knife system.
According to automatic replacing collimator apparatus of the present utility model, also comprise overload warning mechanism and automatic identification mechanism in the described anchor clamps.
According to automatic replacing collimator apparatus of the present utility model, integrated setting or independent each other setting the between described automatic replacing collimator apparatus, collimator storehouse and the frame.
According to automatic replacing collimator apparatus of the present utility model, the frame of described gamma knife system is semicircle rotary rack.
According to automatic replacing collimator apparatus of the present utility model, described collimator is the sector focusing rectangle collimator.
The straight device of grip alignment of the automatic replacing collimator apparatus that provided is provided this utility model realizes unblanking, clamping collimator or shut, and described three-dimensional motion mechanism control anchor clamps move between head and collimator storehouse.In the operation of taking out former collimator, described three-dimensional motion mechanism is transported to head upper with anchor clamps, take out former collimator in the head by anchor clamps by unblanking and clamping action, by three-dimensional motion mechanism anchor clamps are transported to collimator storehouse top again, former collimator is put into the collimator storehouse and shut by anchor clamps; In the operation of the new collimator of packing into, described three-dimensional motion mechanism arrives top, collimator storehouse with clamp movement, take out new collimator in the collimator storehouse by anchor clamps by unblanking and clamping action, again by three-dimensional motion mechanism with the top of clamp movement to head, new collimator is put into head and shut by anchor clamps, so just, can replace manual method to change collimator by mechanical means, change function automatically thereby be implemented in the gamma knife therapeutic process collimator.Whereby, this utility model can be safeguarded medical personnel's health, further improves medical personnel's working environment, and has improved the work efficiency of changing collimator.
Description of drawings
Fig. 1 is the structural representation of the automatic replacing collimator apparatus of this utility model gamma knife system;
Fig. 2 is the clamp structure sketch map that this utility model is changed collimator apparatus automatically;
Fig. 3 is another exemplary construction sketch map of this utility model three-dimensional motion mechanism of changing collimator apparatus automatically;
Fig. 4 is that this utility model is changed the structural representation that collimator apparatus is positioned at head upper automatically;
Fig. 5 is that this utility model is changed the structural representation that collimator apparatus is positioned at top, collimator storehouse automatically.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, this utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation this utility model, and be not used in qualification this utility model.
As shown in Figure 1, this utility model provides the automatic replacing collimator apparatus of a kind of gamma knife system, described gamma knife system 100 comprises frame 10, head 20, collimator storehouse 30 and some collimators 40, and described collimator 40 is placed in the collimation tank 31 in the resettlement groove 21 of head 20 or collimator storehouse 30.This utility model is mainly used in frame 10 and is the gamma knife system 100 of semicircle rotary rack, for example " moon god " gamma-knife system.Described gamma knife system 100 comprises that also one changes collimator apparatus 50 automatically, and described automatic replacing collimator apparatus 50 includes affixed three-dimensional motion mechanism 51 and anchor clamps 52 mutually.As shown in Figure 2, described anchor clamps 52 are provided with some keys 523, and described key 523 is preferably two, realize unblanking, clamping collimator or shut action in the lock of its insertion collimator 40 correspondences.Described three-dimensional motion mechanism 51 control anchor clamps 52 carry out three-dimensional motion between head 20 and collimator storehouse 30.
If collimator of the present utility model storehouse 30 is used to deposit and manage the collimator 40 and a full-shield collimator 40 (no collimating aperture) of the individual collimating aperture that differs in size.Be provided with some collimation tanks 31 in the described collimator storehouse 30, this collimation tank 31 is respectively applied for collimator 40 and full-shield collimator 40 of depositing several different collimating apertures.In the example shown in Figure 1, there are 7 collimation tanks 31 in collimator storehouse 30, and each collimation tank 31 correspondence is deposited the collimator 40 of jack per line, and described collimator 40 is preferably the sector focusing rectangle collimator.No. 0 groove is deposited 40,1～No. 6 grooves of full-shield collimator and is deposited the collimator 40 of collimating aperture from small to large successively.The shape and the position in collimator of the present utility model storehouse 30 are not limit, and because the self structure advantage, collimator 40 numbers that can put in the described collimator storehouse 30 are not limit yet, and for example can put into 5～18 collimators 40.
The initial position of automatic replacing collimator apparatus 50 of the present utility model normally is placed in the left side of frame 10, the top in collimator storehouse 30.And when changing collimator 40, head 20 fixed-site are below frame 10, and collimator 40 focus points up.Automatically change collimator apparatus 50 the former collimators in the head 20 40 are taken out the original place of putting back to collimator storehouse 30, and then new collimator 40 taken out from collimator storehouse 30 put into head 20, this process comprises two actions:
1) action of the former collimator of taking-up.Three-dimensional motion mechanism 51 is transported to anchor clamps 52 from initial position the top of the resettlement groove 21 of head 20, as shown in Figure 4, two keys 523 of described anchor clamps 52 belows insert finish in the lock of resettlement grooves 21 Central Plains collimators 40 unblank and clamp former collimator action after, described three-dimensional motion mechanism 51 is transported to anchor clamps 52 former collimation tank 31 tops in collimator storehouse 30, as shown in Figure 5, described anchor clamps 52 are placed in former collimator 40 in the former collimation tank 31 in collimator storehouse 30 and shut.
2) pack into the action of new collimator.Described three-dimensional motion mechanism 51 is transported to anchor clamps 52 from former collimation tank 31 positions new collimation tank 31 tops in collimator storehouse 30, as shown in Figure 5, the key 523 of described anchor clamps 52 belows insert finish in the lock of new collimator 40 unblank and clamp new collimator action after, described three-dimensional motion mechanism 51 is transported to anchor clamps 52 resettlement groove 21 tops of head 20, as shown in Figure 4, described anchor clamps 52 are placed in new collimator 40 in the resettlement groove 21 of head 20 and shut, and described then three-dimensional motion mechanism 51 returns described initial position.So just, can replace manual method to change collimator 40 by mechanical means.
Three-dimensional motion mechanism 51 among Fig. 1 is a three-dimensional motion machinery hands 51, is made of pedestal, some mechanical arms and rotating shaft, can accept instruction, and certain that accurately navigates on the three dimensions is a bit carried out operation.Three-dimensional motion machinery hands 51 control anchor clamps 52 of the present utility model carry out three-dimensional motion between head 20 and collimator storehouse 30, realize changing automatically collimator function, though that three-dimensional motion machinery hands shape and structure have is a variety of, ultimate principle is identical, it is a known technology, does not just do at this and gives unnecessary details.
Fig. 2 shows the clamp structure that this utility model is changed collimator apparatus automatically, these anchor clamps 52 comprise chuck body 521, described chuck body 521 tops are provided with a junction 522, the connecting portion that described connecting portion 522 and three-dimensional motion mechanism 51 are corresponding is affixed, can be spirally connected, mode such as clamping or welding.Since collimator 40 and head 20 or collimator storehouse 30 combined the tight mechanism of particular lock, at this specific retaining mechanism, the two ends of described chuck body 521 belows are respectively equipped with a key 523, realize unblanking, clamping collimator or shut action in two locks of these two keys, 523 insertion collimators, 40 correspondences.
Described anchor clamps 52 collimation devices 40 carry out in the operating process of unblanking or shutting, and then may cause the overload of unblanking, shutting if anchor clamps 52 lock is not in place, and described overload is meant that its slotting power or pull out force are overweight and might causes damage equipment.For addressing this problem, also can comprise overload warning mechanism (as pick off) and automatic identification mechanism (as camera head) in the described anchor clamps 52, also can be provided with pick off in each collimation tank 31 on the described collimator storehouse 30, by these devices, the operator is in the long-range information that just can obtain collimator 40, and the operation of collimator apparatus 50 is changed in control automatically.
Integrated setting or independent each other setting the between automatic replacing collimator apparatus 50 of the present utility model, collimator storehouse 30 and the frame 10.In addition, described automatic replacing collimator apparatus 50 can connect the computer of near-end or far-end, and by described computer it is controlled.
Fig. 3 shows another exemplary construction of this utility model three-dimensional motion mechanism, described three-dimensional motion mechanism 51 comprises base 511 and the montant 512 that connects by first kind chute mutually, and described montant 512 moves in Z-direction on base 511 by first kind chute; Described montant 512 is connected with a cross bar 513 by the second class chute, and described cross bar 513 moves in X-axis or Y direction on montant 512 by the second class chute, and the process that automatic replacing collimator apparatus 50 is changed collimator 40 in this example is as follows:
1) action of the former collimator of taking-up.When automatic replacing collimator apparatus 50 obtains operator's replacing collimator instruction, automatically change collimator apparatus 50 and press the motion of Z-X-Y order by three-dimensional motion mechanism 51 from initial position, anchor clamps 52 are transported to the top of the resettlement groove 21 of head 20, as shown in Figure 4, two keys 523 of anchor clamps 52 belows accurately insert in the lock of resettlement groove 21 Central Plains collimators 40.When key 523 finish unblank, clamp the action of former collimator after, three-dimensional motion mechanism 51 is transported to former collimator 40 by the Y-X-Z order top of the former collimation tank 31 in collimator storehouse 30 with anchor clamps 52, as shown in Figure 5, be placed in former collimator 40 on the former collimation tank 31 and shut, withdraw from former collimator 40.
2) pack into the action of new collimator.When automatic replacing collimator apparatus 50 is withdrawing from former collimator 40 positions by instruction, and anchor clamps 52 are moved to new collimation tank 31 tops, as shown in Figure 5, anchor clamps 52 below keys 523 accurately insert in the lock of new collimator 40, finish and unblank, after clamping new collimator action, three-dimensional motion mechanism 51 is transported to resettlement groove 21 tops of head 20 by the Z-X-Y order with anchor clamps 52, as shown in Figure 4, described anchor clamps 52 insert new collimator 40 in the resettlement groove 21 of head 20, after shutting and withdrawing from, three-dimensional motion mechanism 51 returns initial position by the Y-X-Z order.
In fact, three-dimensional motion mechanism of the present utility model 51 positions and shape are not limit, it can be the various plant equipment that can finish three-dimensional motion, and described three-dimensional motion comprises 3 d-line motion, three-dimensional curve motion, the motion of 3 d-line motion+three-dimensional curve etc.
In sum, the straight device of grip alignment of the automatic replacing collimator apparatus that provided is provided this utility model realizes unblanking, clamping collimator or shut, and described three-dimensional motion mechanism control anchor clamps move between head and collimator storehouse.In the operation of taking out former collimator, described three-dimensional motion mechanism is transported to head upper with anchor clamps, take out former collimator in the head by anchor clamps by unblanking and clamping action, by three-dimensional motion mechanism anchor clamps are transported to collimator storehouse top again, former collimator is put into the collimator storehouse and shut by anchor clamps; In the operation of the new collimator of packing into, described three-dimensional motion mechanism arrives top, collimator storehouse with clamp movement, take out new collimator in the collimator storehouse by anchor clamps by unblanking and clamping action, again by three-dimensional motion mechanism with the top of clamp movement to head, new collimator is put into head and shut by anchor clamps, so just, can replace manual method to change collimator by mechanical means, change function automatically thereby be implemented in the gamma knife therapeutic process collimator.Whereby, this utility model can be safeguarded medical personnel's health, further improves medical personnel's working environment, and has improved the work efficiency of changing collimator.
Certainly; this utility model also can have other various embodiments; under the situation that does not deviate from this utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to this utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of this utility model.
Claims (10)
1, the automatic replacing collimator apparatus of a kind of gamma knife system, described gamma knife system comprises frame, head, collimator storehouse and some collimators, described collimator is placed in described head or the collimator storehouse, it is characterized in that, described automatic replacing collimator apparatus includes affixed three-dimensional motion mechanism and anchor clamps mutually, described anchor clamps are provided with some keys, and described key inserts to be unblanked, clamp collimator in the lock of described collimator correspondence or shut; Described three-dimensional motion mechanism is controlled described anchor clamps and is moved between described head and collimator storehouse.
2, automatic replacing collimator apparatus according to claim 1, it is characterized in that, described three-dimensional motion mechanism comprises base and the montant that connects by first kind chute mutually, and described montant moves in Z-direction on described base by described first kind chute; Described montant is connected with a cross bar by the second class chute, and described cross bar moves in X-axis or Y direction on described montant by the described second class chute.
3, automatic replacing collimator apparatus according to claim 1 is characterized in that, described three-dimensional motion mechanism is a three-dimensional motion machinery hands.
4, automatic replacing collimator apparatus according to claim 1 is characterized in that described anchor clamps comprise chuck body, and described chuck body top is provided with a junction, and described connecting portion and described three-dimensional motion mechanism are affixed; The two ends of described chuck body below are respectively equipped with a key, and described two keys insert to be unblanked, clamp collimator in two locks of described collimator or shut.
5, automatic replacing collimator apparatus according to claim 1, it is characterized in that, be provided with some collimation tanks in the collimator storehouse of described gamma knife system, this collimation tank is respectively applied for collimator and full-shield collimator of depositing several different collimating apertures.
6, automatic replacing collimator apparatus according to claim 5 is characterized in that, is provided with pick off in each collimation tank on the collimator storehouse of described gamma knife system.
7, automatic replacing collimator apparatus according to claim 1 is characterized in that, also comprises overload warning mechanism and automatic identification mechanism in the described anchor clamps.
8, automatic replacing collimator apparatus according to claim 1 is characterized in that, integrated setting or independent each other setting the between described automatic replacing collimator apparatus, collimator storehouse and the frame.
9, automatic replacing collimator apparatus according to claim 1 is characterized in that, the frame of described gamma knife system is semicircle rotary rack.
10, automatic replacing collimator apparatus according to claim 1 is characterized in that, described collimator is the sector focusing rectangle collimator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202129125U CN201291000Y (en) | 2008-10-07 | 2008-10-07 | Automatic replacement collimator of gamma knife system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202129125U CN201291000Y (en) | 2008-10-07 | 2008-10-07 | Automatic replacement collimator of gamma knife system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201291000Y true CN201291000Y (en) | 2009-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202129125U Expired - Fee Related CN201291000Y (en) | 2008-10-07 | 2008-10-07 | Automatic replacement collimator of gamma knife system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201291000Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614594A (en) * | 2012-03-26 | 2012-08-01 | 华中科技大学 | Automatic source converter for gamma knife and method thereof |
| CN114452549A (en) * | 2022-01-17 | 2022-05-10 | 江苏瑞尔医疗科技有限公司 | Collimation system capable of realizing automatic and quick switching |
-
2008
- 2008-10-07 CN CNU2008202129125U patent/CN201291000Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614594A (en) * | 2012-03-26 | 2012-08-01 | 华中科技大学 | Automatic source converter for gamma knife and method thereof |
| CN102614594B (en) * | 2012-03-26 | 2014-08-27 | 华中科技大学 | Automatic source converter for gamma knife and method thereof |
| CN114452549A (en) * | 2022-01-17 | 2022-05-10 | 江苏瑞尔医疗科技有限公司 | Collimation system capable of realizing automatic and quick switching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20111007 |