CN201469913U - Special three-ring structure for medical facilities - Google Patents
Special three-ring structure for medical facilities Download PDFInfo
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- CN201469913U CN201469913U CN2009202091118U CN200920209111U CN201469913U CN 201469913 U CN201469913 U CN 201469913U CN 2009202091118 U CN2009202091118 U CN 2009202091118U CN 200920209111 U CN200920209111 U CN 200920209111U CN 201469913 U CN201469913 U CN 201469913U
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- 238000011282 treatment Methods 0.000 claims description 25
- 230000005484 gravity Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000033001 locomotion Effects 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 9
- 238000001959 radiotherapy Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000001225 therapeutic effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007721 medicinal effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000009256 replacement therapy Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a special three-ring structure for medical facilities, which comprises a fixed stander for forming a bracket, a rotary stander for forming the rotary movement and a swinging stander for forming the swinging movement, wherein the fixed stander is arranged at the outer circle, the inner side of the fixed stander is provided with a circular track, and both the rotary stander and the swinging stander are of a circular ring; the rotary stander and the swinging stander are concentrically arranged with the circular track; and the rotary stander can make rotation movement relative to the fixed stander, and the swinging stander can make swinging movement relative to the fixed stander. The special three-ring structure for the medical facilities has convenient processing, low manufacturing cost, convenient debugging, good universality and remarkable benefit.
Description
Technical field
This utility model relates to the armarium technical field, relates in particular to a kind of special-purpose tricyclic structure that is applied to armarium.
Background technology
When carrying out medical treatment, in order in focus, to be formed centrally heavy dose of focusing effect, reduce the damage of ray simultaneously again to focus surrounding health tissue, general now all structural designs by radiotherapy apparatus make ray pass through multi-angle multipath incident focus center.
Chinese patent application discloses a kind of medical treatment device No. 96111356.1, mainly comprises radioactive source, swing frame, rotary frame and fixed support.Rotatablely moving of swing by control swing frame relative fixed support, rotary frame relative fixed support makes the be built up hemispherical movement locus of radioactive source by above-mentioned two kinds of motions, and this hemispherical center overlapped with the focus center.
Existing equipment designs by said structure, by control to the radiation source movements track, realized making ray to pass through the technical purpose at multi-angle multipath incident focus center, make the radiation dose at focus surrounding health tissue place less, thereby do not destroy the therapeutic purposes of focus surrounding health tissue when reaching the pathological tissues at the focus center that causes death.
The registration accuracy at roentgenization focus and focus center has determined medical effect to a certain extent.Therefore in medical treatment, the registration accuracy at roentgenization focus and focus center requires high.But the shortcoming of existing equipment is though solved the technical problem that makes ray pass through multi-angle multipath incident focus center, do not solve the registration accuracy problem at roentgenization focus and focus center well, so therapeutic effect to be unsatisfactory in practice.
Because it is the focus center is generally considered to be changeless after adjusting the location, therefore correspondingly just very high to the required precision of radiogenic movement locus.One of the said equipment key problem in technology in manufacture process is a dynamic balance accuracy of resolving the square frame structure that is made of swing frame, rotary frame and fixed support.
But also do not have good technical scheme to address the above problem at present, its reason is:
One, dynamic balance accuracy to the form accuracy of this square frame structure such as flatness, flatness, symmetry, structural focus isoparametric require high.Existing manufacturing equipment is difficult to satisfy the demand to the precision of large-scale quadra structure (generally greater than 2 meters), and high-precision requirement has improved the manufacturing cost of this quadra structure greatly, causes the manufacturing cost of whole equipment high.
Its two, when production and assembly, need search out the fixed support of square, the center of rotation of swing frame, rotary frame respectively, and these three centers are all overlapped with the focus center, and the registration accuracy requirement is very high, cause the difficulty of assembling and debugging very big.
Its three, for the consideration that reduces cost, must consider the versatility of this frame structure.That is to say that this frame structure also must be applicable to the treatment head of multiple kind, multiple model, plurality of specifications size, to be combined to form different size, different types of radiotherapy apparatus.But parameters such as the weight of various treatment heads, volume, installation site, center of gravity have nothing in common with each other.For the square frame structure, even square frame structure self dynamic balance accuracy is very high, but after having added the treatment head, the dynamic balancing that adjust whole combinative structure is just very difficult.This certainly will will increase installation cost greatly, delay installation period.
Therefore, those skilled in the art is devoted to develop a kind of low cost of manufacture, adjusts the special-purpose tricyclic structure that dynamic balancing is applied to armarium easily.
The utility model content
Because the above-mentioned defective of prior art, technical problem to be solved in the utility model provides a kind of low cost of manufacture, adjusts the special-purpose tricyclic structure that dynamic balancing is applied to armarium easily.
For achieving the above object, this utility model provides a kind of special-purpose tricyclic structure that is applied to armarium, and comprising: one is used to constitute the fixed frame of support; One is used to form the turn frame that rotatablely moves; One is used to form the swing frame of rotation campaign; Described fixed frame is positioned at the outer ring and has a round track in the inboard, and described turn frame, described swing frame are annulus; Described turn frame, described swing frame and described round track concentric are provided with; Described turn frame can rotate by described relatively fixed frame, and described swing frame can be done the rotation campaign by described relatively fixed frame.
In better embodiment of the present utility model, described rotary machine chord position is between described fixed frame and described swing frame; Described turn frame and described fixed frame constitute the inside and outside circle of a rolling bearing.Described turn frame or described swing frame are provided with two swing shafts symmetrically on diametric(al), described swing frame forms the rotation campaign by means of two described swing shafts and described turn frame.The inboard of described swing frame is provided with treatment head and counterweight symmetrically on diametric(al); Described treatment head is vertical with the axial connecting line of two described swing shafts with the center of gravity line of described counterweight.
In other better embodiment of the present utility model, described oscillating machine chord position is between described fixed frame and described turn frame; Described turn frame and described oscillating machine are configured to the inside and outside circle of a rolling bearing.Inboard or the described swing frame of described fixed frame is provided with two swing shafts symmetrically on diametric(al), described swing frame forms the rotation campaign by means of two described swing shafts and described fixed frame.The inboard of described turn frame is provided with treatment head and counterweight symmetrically on diametric(al); Described treatment head is vertical with the axial connecting line of two described swing shafts with the center of gravity line of described counterweight.
This utility model designs by said structure, and acquisition low cost of manufacture, adjustment the dynamic balancing principle of technique effect easily are:
One, after fixed frame inboard or fixed frame global design are annulus, can utilize existing process equipment to improve machining accuracy at an easy rate, flatness, flatness, symmetry, the isoparametric precision of structural focus all can increase substantially and have good stable, and the manufacturing cost of single part reduces greatly.
Its two, when production and assembly, need not to seek respectively the center of gravity of three structures and three centers of gravity overlapped, and can directly easily realize the concentric setting by the cylindrical of three annulus, the efficient of installing and adjusting obtains significant raising.
Its three because whole special-purpose tricyclic structure be symmetric structure substantially, stress equalization, structural rigidity is good, be out of shape little, so total can do comparison lightly.
Its four, attached as long as a counterweight with this treatment head coupling is set symmetrically when the treatment of combination variety classes, different model, different specification size with simple test, just can make the good dynamic balancing of whole combinative structure acquisition.
In other better embodiment of the present utility model, described fixed frame has base, is provided with driving mechanism in the described base.
The special-purpose tricyclic structure that is applied to armarium of the present utility model, easy to process, low cost of manufacture, debugging is convenient, and versatility is good, has significant beneficial effect.
Owing to adopted the said structure design, by the low high-precision ring type structure of local acquisition that manufactures, utilize the certainly concentric principle of ring type structure again, make fixed frame, turn frame, swing frame obtain accurate center of circle registration expediently, guarantee that structurally the treatment head has high-precision hemisphere face movement locus, and make this hemispherical center and focus center inregister, to realize best radiotherapy purpose.
Be described further below with reference to the technique effect of accompanying drawing, to understand the purpose of this utility model, feature and effect fully design of the present utility model, concrete structure and generation.
Description of drawings
Fig. 1 is the structural representation of first specific embodiment of the present utility model;
Fig. 2 is the side direction structural representation of Fig. 1;
Fig. 3 is the structural representation of second specific embodiment of the present utility model;
Fig. 4 is the structural representation of the 3rd specific embodiment of the present utility model.
The specific embodiment
As shown in Figure 1 and Figure 2, first specific embodiment for special-purpose tricyclic structure of the present utility model is applied to radiotherapy apparatus, mainly comprises a fixed frame 10, a turn frame 20, a swing frame 30.
Fixed frame 10 is an annulus, also has a base 60 on outer wall, is arranged on the outmost turns of tricyclic structure, is used to constitute the support of total.Be provided with driving mechanism in the base 60, be used to turn frame 20 and swing frame 30 that power is provided.
Comprise that also one is used to form the turn frame 20 that rotatablely moves.Turn frame 20 is arranged on the inboard of fixed frame 10, is similarly annulus, with fixed frame 10 concentric settings.
But turn frame 20 relative fixed frames 10 are done 360 ° rotatablely moving, with the inside and outside circle of fixed frame 10 formations one rolling bearing.
Comprise that also one is used to form the swing frame 30 of swing.Swing frame 30 is a circular ring structure also, is arranged on the inboard of turn frame 20, with the 20 concentric settings of turn frame.
Particularly, the inboard of turn frame 20 is provided with two swing shafts 21 symmetrically on diametric(al).Accordingly, swing frame 30 is provided with two rotation hole (not shown)s.Two swing shafts 21 and two rotation holes form two pairs of bearing arrangements, and swing frame 30 forms swing by means of two swing shafts 21 and turn frame 20, and angle of oscillation is roughly ± and 185 °.
When being used for radiotherapy apparatus, the inboard of swing frame 30 is provided with a treatment 40 and corresponding counterweight 50 symmetrically on diametric(al).
Particularly, treatment 40 is vertical with the axial connecting line of two swing shafts 21 with the center of gravity line of counterweight 50, and the intersection of two lines is the center of circle 0 of tricyclic structure.
Because the tilting member that is made of swing frame 30, treatment 40 and counterweight 50 splits symmetrically in the both sides of two swing shafts, 21 axial connecting lines, the moment of torsion symmetry, therefore whole tilting member structurally just has favorable dynamic balance property.
Because whole tilting member is concentric setting with turn frame 20, therefore, when the rotary part that is made of tilting member and turn frame 20 rotates in fixed frame 10, the moment of torsion symmetry, so whole rotary part structurally just has favorable dynamic balance property.
Again because turn frame 20 constitutes a rolling bearing structure with fixed frame 10, therefore, when production and processing, can be fully with reference to processing, detection and the assembly technology of bearing base part, greatly simplify production routine, reduced production cost, shortened process time.Simultaneously, because the maturity of bearing processing, turn frame 20 also is guaranteed with the stability of the precision of fixed frame 10.
Because turn frame 20 is concentric circular ring structure with fixed frame 10, therefore, when Installation and Debugging, can easily realize concentricity precision by cylindrical.
This utility model is by said structure, and the low-cost treatment compound hemisphere face movement locus of having realized has accurately again simultaneously satisfied the specification requirement of radiotherapy apparatus well.
Be illustrated in figure 3 as second specific embodiment of the present utility model, the structure of present embodiment and the foregoing description is basic identical, and institute's difference is that swing frame 30 is between fixed frame 10 and turn frame 20.
The outside of swing frame 30 is provided with two swing shafts 31 symmetrically on diametric(al), swing frame 30 forms the rotation campaign by means of two swing shafts 31 and fixed frame 10.
And turn frame 20 is positioned at the inboard of swing frame 30, with the inside and outside circle of swing frame 30 formations one rolling bearing.
In other embodiments, swing shaft 31 also can be arranged on the inboard of fixed frame 10, and.The outside of swing frame 30 is provided with two rotation holes accordingly, similarly constitutes bearing arrangement.
Be illustrated in figure 4 as the 3rd specific embodiment of the present utility model, the structure of the present embodiment and first specific embodiment is basic identical, and institute's difference is that in the present embodiment, the external form of fixed frame 10 is a square, and forms a round track 11 in the inboard.
Turn frame 20 is arranged on the inboard of swing frame 30.The inboard of turn frame 20 is provided with treatment 40 and corresponding counterweight 50 symmetrically on diametric(al).
Special-purpose tricyclic structure of the present utility model has substantially just constituted a novel radiotherapy apparatus after having made up different radiotherapy head and being used as the three-dimensional platform of medical bedstead.
Especially, in different specific embodiments, when different treatments of special-purpose tricyclic structure combination of the present utility model, only need select the different counterweights that manufacture with this treatment head for use, just can make whole tilting member and rotary part structurally obtain favorable dynamic balance property at an easy rate, simplified the artificial and cycle of installing and debugging widely, made special-purpose tricyclic structure of the present utility model have good versatility.
Further, tricyclic structure of the present utility model also is not limited to and is applied in the radiotherapy equipment.When selecting device such as X-ray apparatus replacement therapy head for use, structure of the present utility model also is applied in the armarium of other types.
Special-purpose tricyclic structure of the present utility model designs by said structure, guarantee that structurally the treatment head has high-precision hemisphere face movement locus, solved the registration accuracy problem at roentgenization focus and focus center, can make whole armarium realize best therapeutic purposes.
More than describe preferred embodiment of the present utility model in detail.The ordinary skill that should be appreciated that this area need not creative work and just can make many modifications and variations according to design of the present utility model.Therefore, all technical staff in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in claim protection domain of the present utility model.
Claims (8)
1. special-purpose tricyclic structure that is applied to armarium comprises:
One is used to constitute the fixed frame of support;
One is used to form the turn frame that rotatablely moves;
One is used to form the swing frame of rotation campaign; It is characterized in that:
Described fixed frame is positioned at the outer ring and has a round track in the inboard, and described turn frame, described swing frame are annulus; Described turn frame, described swing frame and described round track concentric are provided with;
Described turn frame can rotate by described relatively fixed frame, and described swing frame can be done the rotation campaign by described relatively fixed frame.
2. special-purpose tricyclic structure as claimed in claim 1 is characterized in that: described rotary machine chord position is between described fixed frame and described swing frame; Described turn frame and described fixed frame constitute the inside and outside circle of a rolling bearing.
3. special-purpose tricyclic structure as claimed in claim 2, it is characterized in that: described turn frame or described swing frame are provided with two swing shafts symmetrically on diametric(al), and described swing frame forms the rotation campaign by means of two described swing shafts and described turn frame.
4. as claim 2 or 3 described special-purpose tricyclic structures, it is characterized in that: the inboard of described swing frame is provided with treatment head and counterweight symmetrically on diametric(al); Described treatment head is vertical with the axial connecting line of two described swing shafts with the center of gravity line of described counterweight.
5. special-purpose tricyclic structure as claimed in claim 1 is characterized in that: described oscillating machine chord position is between described fixed frame and described turn frame; Described turn frame and described oscillating machine are configured to the inside and outside circle of a rolling bearing.
6. special-purpose tricyclic structure as claimed in claim 5, it is characterized in that: the inboard or described swing frame of described fixed frame is provided with two swing shafts symmetrically on diametric(al), described swing frame forms the rotation campaign by means of two described swing shafts and described fixed frame
7. as claim 5 or 6 described special-purpose tricyclic structures, it is characterized in that: the inboard of described turn frame is provided with treatment head and counterweight symmetrically on diametric(al); Described treatment head is vertical with the axial connecting line of two described swing shafts with the center of gravity line of described counterweight.
8. special-purpose tricyclic structure as claimed in claim 1 is characterized in that: described fixed frame has base, is provided with driving mechanism in the described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202091118U CN201469913U (en) | 2009-09-03 | 2009-09-03 | Special three-ring structure for medical facilities |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202091118U CN201469913U (en) | 2009-09-03 | 2009-09-03 | Special three-ring structure for medical facilities |
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| CN201469913U true CN201469913U (en) | 2010-05-19 |
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| CN2009202091118U Expired - Fee Related CN201469913U (en) | 2009-09-03 | 2009-09-03 | Special three-ring structure for medical facilities |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224323A (en) * | 2018-11-19 | 2019-01-18 | 合肥中科离子医学技术装备有限公司 | A kind of proton therapeutic rotary frame and its assembly method |
| CN109561564A (en) * | 2018-12-13 | 2019-04-02 | 广东医科大学 | Electron linear accelerator support device |
| CN111803807A (en) * | 2015-12-31 | 2020-10-23 | 上海联影医疗科技有限公司 | Radiotherapy equipment |
-
2009
- 2009-09-03 CN CN2009202091118U patent/CN201469913U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803807A (en) * | 2015-12-31 | 2020-10-23 | 上海联影医疗科技有限公司 | Radiotherapy equipment |
| CN109224323A (en) * | 2018-11-19 | 2019-01-18 | 合肥中科离子医学技术装备有限公司 | A kind of proton therapeutic rotary frame and its assembly method |
| CN109224323B (en) * | 2018-11-19 | 2023-07-25 | 合肥中科离子医学技术装备有限公司 | Proton treatment rotating frame and assembly method thereof |
| CN109561564A (en) * | 2018-12-13 | 2019-04-02 | 广东医科大学 | Electron linear accelerator support device |
| CN109561564B (en) * | 2018-12-13 | 2021-09-24 | 广东医科大学 | Electron Linear Accelerator Support Device |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20100519 Termination date: 20130903 |