A kind of digital picture detects dull and stereotyped actuating device and radiotherapy apparatus thereofTechnical field
The invention belongs to medical apparatus and instruments and manufacture field, particularly relate to a kind of digital picture and detect dull and stereotyped actuating device and radiotherapy apparatus thereof.
Background technology
Radiotherapy apparatus is used, the tissue that radiotherapy is ill, such as tumor tissues when therapeutic treatment.Be applicable to the ray type of this treatment, be included in the sigmatron in megavolt range, lepton ray etc.There is following change in the tissue of being lived by radiotherapy: connection may be destroyed or atom may be ionized.These changes can cause destroying or killing tissue.When radiotherapy, should avoid as far as possible this effect being used for healthy tissue.Therefore, should a radiotherapy tumor tissues as far as possible targetedly be passed through, need to carry out accurately image to tumor.
Publication number US6888919 discloses a kind of radiotherapy apparatus, and wherein, radiation parts are contained in the first stand, and exploring block is contained in the second stand.Exploring block is rotating device, needs oneself a freedom of motion space.In this patent, the hinged lever arm of exploring block realizes the contraction of exploring block.Due to the limitation of lever arm structure, exploring block moves in horizontal direction and is restricted, thus limits the work of radiotherapy apparatus.
Summary of the invention
The object of the invention is the defect overcoming prior art existence, provide a kind of digital picture to detect dull and stereotyped actuating device and radiotherapy apparatus thereof.
The technical scheme realizing the object of the invention is: a kind of digital picture detects dull and stereotyped actuating device, the stand being arranged at radiotherapy apparatus is positioned at below radiographic source, comprises:
Supporting arm, supports following support unit;
Support unit, for installing digital picture detection flat board and regulating described digital picture to detect dull and stereotyped stroke, described support unit one end to be articulated with on described supporting arm and to be positioned at below radiographic source, and described support unit is plane and is stretching structure in its plane;
Rotary connector, is connected with described supporting arm, described support unit, rotates to operating position and deployed condition or the folded state that rotates to laminating stand for driving described support unit.
Preferably, described supporting arm is the stretching structure at vertical direction, regulates described support unit at the stroke of vertical direction.
Preferably, described supporting arm is stretching structure in the horizontal direction, regulates described support unit stroke in the horizontal direction.
Further, described support unit comprises:
Gripper shoe, comprise lower supporting plate and at least one upper backup pad of sliding stack on described lower supporting plate successively, described lower supporting plate one end is articulated with on described supporting arm;
Detection driven unit, described detection driven unit is connected with described upper backup pad, slides for driving described upper backup pad and drives the slip between described upper backup pad on described lower supporting plate.
Further, described rotary connector comprises rotating bottom board, be rotatably connected bar and the rotary drive assembly for driving described rotating bottom board to slide, described rotating bottom board slides and is arranged on described supporting arm, described in the bar that is rotatably connected hinged with described support unit, described rotating bottom board respectively.
Further, if when described rotating bottom board slides to the pin joint near described support unit and described supporting arm, then support unit is driven counterclockwise to be rotated upwardly to operating position and deployed condition around the pin joint with described supporting arm;
If when described rotating bottom board slides to the pin joint away from described support unit and described supporting arm, then support unit is driven to be rotated down to stand and the folded state of fitting clockwise around the pin joint with described supporting arm.
Preferably, the rotary drive assembly that described rotary connector comprises lever arm and is connected with described lever arm, described lever arm is also bearing in described supporting arm around the axis perpendicular to described supporting arm rotatably, and described support unit is bearing on described lever arm rotatably around the axis perpendicular to described supporting arm.
Further, described support unit is also provided with angle detection mechanism, detects the described support unit of angle change adjustment of described support unit to set angle.
Further, described angle detection mechanism is at least one angular transducer.
Further, a kind of radiotherapy apparatus, comprising:
Stand;
Radiographic source, described radiographic source is arranged at described stand top;
Digital picture detects dull and stereotyped actuating device, and described digital picture detects dull and stereotyped actuating device and to be arranged on described stand and to be positioned at below described radiographic source;
Digital picture detection is dull and stereotyped, and described digital picture detection flat board is arranged at described digital picture and detects on dull and stereotyped actuating device.
The present invention has positive effect: in the present invention, support unit is the stroke of stretching structure adjusting digital image detection flat board in its plane, compared to prior art, the stroke of X-ray detection X is more accurate, during radiotherapy, imaging is more accurate, and rotatablely when not needing radiotherapy fits on stand, takes up room little, do not hinder other treatment work, increase work efficiency, improve the utilization rate of radiation work platform simultaneously, cost-saving.
Accompanying drawing explanation
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is the structural representation that one embodiment of the present invention digital picture detects dull and stereotyped actuating device;
Fig. 2 is the structural representation of one embodiment of the present invention radiotherapy apparatus;
Fig. 3 is the structural representation of another embodiment of the present invention radiotherapy apparatus;
Fig. 4 is the structural representation of another embodiment of the present invention radiotherapy apparatus;
Fig. 5 is the structural representation of another embodiment of the present invention radiotherapy apparatus.
Wherein: 1, supporting arm, 2, rotary connector, 21, rotating bottom board, 22, be rotatably connected bar, 3, support unit, 31, lower supporting plate, 32, upper backup pad, 4, stand, 5, radiographic source, 6, digital picture detection is dull and stereotyped, 7, lever arm, 8, angle detection mechanism.
Detailed description of the invention
One embodiment of the present invention,
As shown in Figure 1, a kind of digital picture detects dull and stereotyped actuating device, the stand being arranged at radiotherapy apparatus is positioned at below radiographic source, comprises:
Supporting arm 1, supporting support unit 3;
Support unit 3, support unit 3 one end to be articulated with on supporting arm 1 and to be positioned at below radiographic source, and support unit 3 is plane and is stretching structure in its plane, for installing the dull and stereotyped and stroke that adjusting digital image detection is dull and stereotyped of digital picture detection;
Rotary connector 2, is connected with supporting arm 1, support unit 3, for being rotated by support unit 3 to operating position and deployed condition or the folded state that rotates to laminating stand 4.
In present embodiment, support unit 3 is the stroke of stretching structure adjusting digital image detection flat board in its plane, compared to prior art, the stroke of X-ray detection X is more accurate, during radiotherapy, imaging is more accurate, and rotatablely when not needing radiotherapy fits on stand, takes up room little, do not hinder other treatment work, increase work efficiency, improve the utilization rate of radiation work platform simultaneously, cost-saving.
In some embodiments, support unit 3 is selected to comprise:
Gripper shoe, comprise lower supporting plate 31 and the upper backup pad 32 on lower supporting plate 31 that slides, lower supporting plate 31 one end is articulated with on supporting arm 1;
Detection driven unit, detection driven unit is connected with upper backup pad 32, slides on lower supporting plate 31 for driving upper backup pad 32.
Rotary connector 2 selects to comprise rotating bottom board 21, be rotatably connected bar 22 and the rotary drive assembly 23 for driving rotating bottom board 21 to slide, and rotating bottom board 21 slip is arranged on supporting arm 1, and the bar 22 that is rotatably connected is hinged with support unit 3, rotating bottom board 21 respectively.
Wherein, interval is provided with between support unit 3 and pin joint two pin joints of the pin joint of supporting arm 1, be rotatably connected bar 22 and rotating bottom board 21;
The pin joint of support unit 3 and supporting arm 1, between support unit 3 and pin joint two pin joints of the bar 22 that is rotatably connected, be provided with interval;
If rotating bottom board 21 is to when support unit 3 slides with the pin joint of supporting arm 1, then support unit 3 is driven counterclockwise to be rotated upwardly to operating position and deployed condition around the pin joint with supporting arm 1;
If rotating bottom board 21 is to when sliding with the pin joint of supporting arm 1 away from support unit 3, then support unit 3 is driven to be rotated down the folded state to stand 4 of fitting clockwise around the pin joint with supporting arm 1.
As shown in Figure 2, present embodiment also provides a kind of radiotherapy apparatus, comprising:
Stand 4;
Radiographic source 5, radiographic source 5 is arranged at stand 4 top;
Digital picture detects dull and stereotyped actuating device, and digital picture detects dull and stereotyped actuating device and to be arranged on stand 4 and to be positioned at below radiographic source 5;
Digital picture detection dull and stereotyped 6, digital picture detection dull and stereotyped 6 is arranged at digital picture and detects on dull and stereotyped actuating device.
In order to meet the Traffic control system of support unit 3 in vertical direction and horizontal direction, in other embodiment, supporting arm 1 is the stretching structure at vertical direction and horizontal direction, regulates support unit 3 at the stroke of vertical direction and horizontal direction.
In order to meet support unit 3 Traffic control system in the horizontal direction further, in other embodiment, on lower supporting plate 31, sliding stack is provided with three upper backup pads 32 successively, detection driven unit is connected with upper backup pad 32, slide on lower supporting plate 31 for driving upper backup pad 32 and drive the slip between upper backup pad 32, three upper backup pads 32 can be convenient adjustment support unit 3 stroke in the horizontal direction, effect is better.
At set angle during in order to ensure that digital picture detection dull and stereotyped 6 works, as shown in Figure 3, in other embodiment, upper backup pad 32 is also provided with angle detection mechanism 8, detect the change of upper backup pad 32 angle and adjust upper backup pad 32 to set angle, at set angle during guarantee digital picture detection flat board 6 work.
Present embodiment increases the angle change that upper backup pad 32 detects in angle detection mechanism 8, thus the angle detecting digital picture detection dull and stereotyped 6 changes and is remedied to the angle of setting, the dull and stereotyped position remaining on level of digital picture detection can be ensured when radiotherapy, improve the accuracy of radiating medical image.
As shown in Figure 4, in other embodiment, rotary connector 2 selects the rotary drive assembly comprising lever arm 7 and be connected with lever arm 7, lever arm 7 is also bearing in supporting arm 1 around the axis perpendicular to supporting arm 1 rotatably, and support unit 3 is bearing on lever arm 7 rotatably around the axis perpendicular to supporting arm 1.
As shown in Figure 5, on the basis of a upper embodiment, upper backup pad 32 is also provided with angle detection mechanism 8, the change detecting upper backup pad 32 angle adjusts upper backup pad 32 to set angle, at set angle when ensureing that digital picture detection dull and stereotyped 6 works.
Present embodiment increases the angle change that upper backup pad 32 can detect in angle detection mechanism 8, thus the angle detecting digital picture detection dull and stereotyped 6 changes and is remedied to the angle of setting, improves the accuracy of radiating medical image, realizes automatization, convenient, increase work efficiency.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.