CN209575542U

CN209575542U - A kind of Medical electronic linear accelerator rack

Info

Publication number: CN209575542U
Application number: CN201822153817.9U
Authority: CN
Inventors: 连卫东
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2019-11-05
Anticipated expiration: 2028-12-21

Abstract

The utility model discloses a kind of Medical electronic linear accelerator racks, including pedestal, first rotary shaft, mounting base, second rotary shaft, headstock, counterweight and radiographic source, the upside of pedestal and the first convolution axis connection, the bottom end of first rotary shaft connects mounting base, the inside of mounting base connects the second rotary shaft, the inner top side of second rotary shaft is equipped with headstock, the inside lower end of second rotary shaft is equipped with counterweight, radiographic source is installed on headstock, tumour target center is overlapped with equal centers, pass through the drive of the first rotary shaft and the second rotary shaft, swing radiographic source centered on equal centers to isocentric line, radiographic source is the direction of beam to isocentric line, change position and direction without tumor target, to realize noncoplanar irradiation, the utility model is structurally reasonable, perfect in shape and function, it realizes without treatment The noncoplanar irradiation function of bed cooperation.

Description

A kind of Medical electronic linear accelerator rack

Technical field

The utility model relates to accelerator for electron therapy technical field, specially a kind of medical computerized linear accelerator machine Frame.

Background technique

Medical accelerator is a kind of particle accelerator device for carrying out radiotherapy to tumour in biomedicine, band Charged particle accelerator is the electric field by different shape by artificial means, various different types of charged particles is accelerated to higher The calutron of energy, due to the particularity of head position, implementable noncoplanar irradiation when head tumor is treated, a kind of method is Therapeutic bed cooperates the movement of accelerator rack, and common to realize, another method is that therapeutic bed is motionless, completely by the movement of rack Lai It realizes, and above two method requires therapeutic bed and cooperate and can be treated, use is complex.

Utility model content

The purpose of this utility model is to provide a kind of Medical electronic linear accelerator rack, it can be achieved that matching without therapeutic bed The noncoplanar irradiation of conjunction, can solve the problems of the prior art.

To achieve the above object, the utility model provides the following technical solutions:

A kind of Medical electronic linear accelerator rack, including pedestal, the first rotary shaft, mounting base, the second rotary shaft, head Frame, counterweight and radiographic source, the upside of the pedestal connect installation with the first convolution axis connection, the bottom end of first rotary shaft Seat, the inside of the mounting base connect the second rotary shaft, and the inner top side of second rotary shaft is equipped with headstock, and described second The inside lower end of rotary shaft is equipped with counterweight, installs radiographic source on the headstock.

Preferably, the second rotary shaft of mounting base connection is between the first rotary shaft, first rotary shaft The axial line of axial line and the second rotary shaft is vertically intersected on equal centers.

Preferably, the radiographic source is vertical with the axial line of the second rotary shaft to isocentric line.

Preferably, the radiographic source passes through the driving of the driving device of the first rotary shaft and the second rotary shaft.

Preferably, the axial line weight of two mounting bases and the center of gravity for all components that are installed on it and the first rotary shaft It closes.

Preferably, the mounting base, the first rotary shaft and the second rotary shaft are respectively equipped with two.

Preferably, the center of gravity of the headstock and all components that are installed on it to counterweight center of gravity line by etc. in The heart, and vertical with the axial line of the second rotary shaft, the weight of the headstock and all components that are installed on it multiplied by its center of gravity extremely Isocentric distance is equal to the weight of counterweight multiplied by its center of gravity to isocentric distance.

Compared with prior art, the beneficial effects of the utility model are as follows:

Tumour target center is overlapped by the utility model Medical electronic linear accelerator rack when starting to work with the centers of grade, By the drive of the first rotary shaft and the second rotary shaft, swings radiographic source centered on equal centers to isocentric line, penetrate Line source is the direction of beam to isocentric line, changes position and direction without tumor target, to realize Noncoplanar irradiation, the utility model is structurally reasonable, perfect in shape and function, realizes the noncoplanar irradiation machine without therapeutic bed cooperation Energy.

Detailed description of the invention

Fig. 1 is the general assembly front view of the utility model；

Fig. 2 is the general assembly top view of the utility model；

Fig. 3 is the general assembly left view of the utility model；

Fig. 4 is the perspective view of the convolution system of the utility model；

Fig. 5 is that the head counterbalance moment of the utility model balances schematic diagram；

Fig. 6 is the second shaft-driven structural schematic diagram of convolution of the utility model；

Fig. 7 is the first shaft-driven structural schematic diagram of convolution of the utility model.

In figure: 1, pedestal；2, the first rotary shaft；3, mounting base；4, the second rotary shaft；5, headstock；6, counterweight；7, ray Source.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-7, a kind of Medical electronic linear accelerator rack, including pedestal 1, the first rotary shaft 2, mounting base 3, Second rotary shaft 4, headstock 5, counterweight 6 and radiographic source 7, the upside of pedestal 1 are connect with the first rotary shaft 2, the first rotary shaft 2 Bottom end connects mounting base 3, and mounting base 3, the first rotary shaft 2 and the second rotary shaft 4 are respectively equipped with two, and the of the connection of mounting base 3 Between the first rotary shaft 2, the axial line of the first rotary shaft 2 and the axial line of the second rotary shaft 4 intersect vertically two rotary shafts 4 In equal centers, the center of gravity of two mounting bases 3 and all components that are installed on it is overlapped with the axial line of the first rotary shaft 2, mounting base 3 Inside connect the second rotary shaft 4, the inner top side of the second rotary shaft 4 is equipped with headstock 5, headstock 5 and is installed on it all The center of gravity of component to counterweight 6 center of gravity line by etc. centers, and it is vertical with the axial line of the second rotary shaft 4, headstock 5 and The weight of all components of being installed on it is equal to the weight of counterweight 6 multiplied by its center of gravity in equal multiplied by its center of gravity to isocentric distance The distance of the heart, the inside lower end of the second rotary shaft 4 are equipped with counterweight 6, and radiographic source 7, radiographic source 7 to the centers of grade are installed on headstock 5 Line it is vertical with the axial line of the second rotary shaft 4, see equal centers clearly for convenience, concealed two mounting bases 3, moved simultaneously A rotary shaft of front, radiographic source 7 pass through first in one rotary shaft and the second rotary shaft 4 in 2 left side of the first rotary shaft The driving of the driving device of rotary shaft 2 and the second rotary shaft 4 headstock 5 and is matched under the driving of 4 driving device of the second rotary shaft Weighing 6 can rotate around the axial line of the second rotary shaft 4, under the driving of the driving device of the first rotary shaft 2,3 machine of mounting base peace The component of dress thereon can be rotated around the axial line of the first rotary shaft 2.

Working principle of the utility model is: the utility model Medical electronic linear accelerator rack will when starting to work Tumour target center is overlapped with equal centers, by the drive of the first rotary shaft 2 and the second rotary shaft 4, makes radiographic source 7 to isocentric company Line is swung centered on equal centers, and radiographic source 7 is exactly the direction of beam to isocentric line, without tumor target Changing position and direction, is achieved that noncoplanar irradiation, tumour is carried by therapeutic bed, there is no need to the cooperation of therapeutic bed, Realize the noncoplanar irradiation for not needing therapeutic bed cooperation.

In summary: the utility model Medical electronic linear accelerator rack, start to work when, by tumour target center with etc. Center is overlapped, and by the drive of the first rotary shaft 2 and the second rotary shaft 4, makes radiographic source 7 to isocentric line to wait centers Pivot, radiographic source 7 are the direction of beam to isocentric line, change position and side without tumor target To realize noncoplanar irradiation, the utility model is structurally reasonable, perfect in shape and function, realizes without the non-of therapeutic bed cooperation Coplanar irradiation function.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of Medical electronic linear accelerator rack, including pedestal (1), the first rotary shaft (2), mounting base (3), the second convolution Axis (4), headstock (5), counterweight (6) and radiographic source (7), it is characterised in that: the upside of the pedestal (1) and the first rotary shaft (2) it connects, the bottom end of first rotary shaft (2) connects mounting base (3), the second convolution of inside connection of the mounting base (3) The inner top side of axis (4), second rotary shaft (4) is equipped with headstock (5), and the inside lower end of second rotary shaft (4) is set Have counterweight (6), radiographic source (7) are installed on the headstock (5).

2. a kind of Medical electronic linear accelerator rack according to claim 1, it is characterised in that: the mounting base (3) The second rotary shaft (4) of connection is between the first rotary shaft (2), the axial line of first rotary shaft (2) and the second convolution The axial line of axis (4) is vertically intersected on equal centers.

3. a kind of Medical electronic linear accelerator rack according to claim 1, it is characterised in that: the radiographic source (7) It is vertical with the axial line of the second rotary shaft (4) to isocentric line.

4. a kind of Medical electronic linear accelerator rack according to claim 1, it is characterised in that: the radiographic source (7) It is driven by the driving device of the first rotary shaft (2) and the second rotary shaft (4).

5. a kind of Medical electronic linear accelerator rack according to claim 1, it is characterised in that: two installations The center of gravity of seat (3) and all components that are installed on it is overlapped with the axial line of the first rotary shaft (2).

6. a kind of Medical electronic linear accelerator rack according to claim 1, it is characterised in that: the mounting base (3), First rotary shaft (2) and the second rotary shaft (4) are respectively equipped with two.

7. a kind of Medical electronic linear accelerator rack according to claim 1, it is characterised in that: the headstock (5) And the center of gravity for all components that are installed on it to counterweight (6) center of gravity line by etc. centers, and the axis with the second rotary shaft (4) Heart line is vertical, and the weight of the headstock (5) and all components that are installed on it is equal to multiplied by its center of gravity to isocentric distance matches The weight of weight (6) is multiplied by its center of gravity to isocentric distance.