Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a beam modulation equipment adapting device and a beam modulation system which can quickly replace equipment and are convenient to use.
The invention firstly provides a beam modulation equipment adapting device, which comprises:
the device comprises a shell assembly, a plurality of layers of support plates arranged in parallel are arranged in a shell of the shell assembly, and beam current holes are formed in the shell assembly in a direction perpendicular to the support plates and penetrate through the shell assembly;
a guide assembly including a fixed portion connected with the support plate and a moving portion movably connected with the fixed portion;
a mounting assembly coupled to the moving portion, the mounting assembly configured to mount the beam modulating device;
a drive assembly configured to drive the mounting assembly in a guide direction moving closer to or away from the beam-aperture.
According to one embodiment of the invention, the mounting assembly is provided with a mounting groove configured to receive the beam modulating device, and the mounting groove is adjustable in edge distance; preferably, the edge distance of the mounting groove is elastically adjustable.
According to an embodiment of the present invention, the mounting assembly includes a first positioning portion and a second positioning portion, the first positioning portion and the second positioning portion are respectively disposed on two sides of the mounting groove, and a distance between the first positioning portion and the second positioning portion is adjustable.
According to an embodiment of the present invention, the first positioning portion includes a first positioning bar, a tensioning spring and a tensioning bar, two ends of the tensioning spring are respectively connected to the first positioning bar and the tensioning bar, and an inner side of the tensioning bar forms one side of the mounting groove.
According to one embodiment of the present invention, the first positioning bar is connected to the tensioning bar by a pin, and the tensioning bar is provided with a long hole at the position of the pin.
According to an embodiment of the present invention, the second positioning portion includes a second positioning strip and a snap assembly, an inner side of the second positioning strip forms another side edge of the mounting groove, and the snap assembly is configured to clamp the beam modulating device and the second positioning strip.
According to one embodiment of the present invention, the snap assembly comprises a snap, a spring positioning pin, a pin, and a rotating pin; one end of the spring positioning pin is fixed with the second positioning strip, and the other end of the spring positioning pin is inserted into a corresponding clamping groove of the equipment assembly; the buckle is provided with a long hole, and the pin shaft penetrates through the long hole to connect the buckle and the spring positioning pin; the rotating pin shaft connects the buckle to the second positioning strip in a rotatable manner; preferably, the mounting assembly further comprises a connecting portion, the connecting portion comprises a connecting plate and a positioning block, one end of each of the first positioning portion and the second positioning portion is connected with the connecting plate, and the positioning block is connected with the connecting plate and located at the bottom of the mounting groove.
According to an embodiment of the present invention, the apparatus further includes a cable protection chain, disposed on one side inside the housing assembly, configured to protect a cable connected to the beam modulation device; preferably, the driving assembly comprises a driving element, a front fixing seat, a transmission part and a rear fixing seat, the front fixing seat is fixedly connected with the housing assembly, the rear fixing seat is fixedly connected with the mounting assembly, the transmission part drives the rear fixing seat to move under the driving of the driving element, and preferably, the transmission part is a screw nut transmission part; preferably, the fixed part of the guide assembly is a guide rail, and the moving part is a slider; preferably, the mounting assembly comprises a plurality of groups, the groups being arranged in parallel; preferably, the driving assembly comprises a plurality of groups for respectively driving different mounting assemblies; the mounting assembly further includes a position sensor to detect a movement position of the mounting assembly or a mounting position of the beam current modulation apparatus.
The invention also provides a beam modulation system, which comprises beam modulation equipment and the beam modulation equipment adapting device.
According to one embodiment of the invention, the beam modulation device comprises a ridge filter assembly and/or an energy degrader assembly, and preferably the beam modulation device comprises ridge filter assemblies of different thicknesses and different energy degrader assemblies.
The invention can quickly install the equipment components such as beam current adjusting equipment, can simultaneously install a plurality of standby equipment, can quickly select and use the equipment, saves the equipment replacement time, improves the efficiency, and has accurate and reliable adjustment.
The invention has simple structure, easy realization, convenient operation and compact structure, and can better solve the radiation safety problem of personnel.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
The invention firstly provides a beam modulation equipment adapting device, which comprises:
the device comprises a shell assembly, a plurality of layers of support plates arranged in parallel are arranged in a shell of the shell assembly, and beam current holes are formed in the shell assembly in a direction perpendicular to the support plates and penetrate through the shell assembly;
a guide assembly including a fixed portion connected with the support plate and a moving portion movably connected with the fixed portion;
a mounting assembly coupled to the moving portion, the mounting assembly configured to mount the beam modulating device;
a drive assembly configured to drive the mounting assembly in a guide direction moving closer to or away from the beam-aperture.
The device can be provided with a group of beam modulation equipment, the group of equipment is driven by the driving assembly to move back and forth in the protective shell along the guide path as required so as to enable the required equipment to be accurately positioned in the beam hole, and the installation and the replacement of the equipment are convenient through the installation assembly, so that the equipment is not required to be manually placed at the beam position during operation, and the safety problem of personnel radiation is solved.
According to an embodiment of the present invention, as shown in fig. 6a, the mounting assembly 20 is provided with a mounting groove 29, the mounting groove 29 is configured to receive the beam modulating device, and both sides of the notch of the mounting groove 29 are adjustable; preferably, the edge distance of the mounting groove 29 is elastically adjustable.
According to an embodiment of the present invention, the mounting assembly 20 includes a first positioning portion 201 and a second positioning portion 202, the first positioning portion 201 and the second positioning portion 202 are respectively disposed on two sides of the mounting groove 29, and a distance between the first positioning portion 201 and the second positioning portion 202 is adjustable.
According to an embodiment of the present invention, the first positioning portion 201 includes a first positioning bar 22, a tension spring 23 and a tension bar 24, two ends of the tension spring 23 are respectively connected to the first positioning bar 22 and the tension bar 24, and an inner side of the tension bar 24 forms one side of the mounting groove 29. The axial direction of the tension spring is vertical to the insertion direction of the beam current modulation equipment.
Preferably, the tension springs 23 are a group, and the group of tension springs 23 are arranged at intervals.
As shown in fig. 6b and 6c, according to an embodiment of the present invention, the first positioning bar 22 is connected to the tensioning bar 24 by a pin, and the tensioning bar 24 is provided with a long hole 241 at the position of the pin. The elongated holes are arranged such that the tensioning strips 24 can be moved parallel in the axial direction of the tensioning spring.
According to an embodiment of the present invention, the second positioning portion 202 includes a second positioning strip 27 and a snap assembly 26, an inner side of the second positioning strip 27 forms another side edge of the mounting groove 29, and the snap assembly 26 is configured to clamp the beam current modulating apparatus.
According to an embodiment of the present invention, as shown in fig. 6d, the latch assembly 26 includes a latch 261, a spring positioning pin 262, a pin 263 and a rotation pin 264; one end of the spring positioning pin 262 is fixed with the second positioning bar 27, and the other end is inserted into a corresponding slot of the device assembly 25. The buckle 261 is provided with a long hole, and the buckle 261 and the spring positioning pin 262 are connected by a pin shaft 263; the buckle 261 is fixed on the second positioning strip 27 by a rotating pin shaft 264 and can rotate; the buckle 261 is shifted to rotate relative to the second positioning strip 27 under the fixation of the rotating pin shaft 264, and then the spring positioning pin 262 moves back and forth along the spring force action direction (namely, the axial direction of the spring positioning pin 262) through the pin shaft 263, so that the clamping or loosening function of the spring positioning pin 262 on the equipment assembly 25 is realized.
Preferably, the mounting assembly 20 further includes a connecting portion, the connecting portion includes a connecting plate 21 and a positioning block 203, one end of each of the first positioning portion 201 and the second positioning portion 202 is connected to the connecting plate 21, and the positioning block 203 is connected to the connecting plate 21 and located at the bottom of the mounting groove 29.
According to an embodiment of the present invention, the apparatus further comprises a cable protection chain 4, the cable protection chain 4 is disposed on one side inside the housing assembly and configured to protect a cable connected to the beam modulation device. The cable protection chain 4 may protect the cable using an existing flexible chain structure.
Preferably, the driving assembly 3 includes a driving element, a front fixing seat, a transmission part and a rear fixing seat, the front fixing seat is fixedly connected to the housing assembly 1, the rear fixing seat is fixedly connected to the mounting assembly 20, and the transmission part drives the rear fixing seat to move under the driving of the driving element.
The drive element may be a conventional drive member such as an electric motor, hydraulic cylinder or the like, preferably an electric motor.
Preferably, the transmission part is a lead screw nut transmission. Of course, the transmission part can adopt other structures according to different driving elements.
Preferably, as shown in fig. 7, the fixed portion of the guide assembly 5 is a guide rail 51, and the moving portion is a slider 52. The sliders 52 may be provided in one set. As shown in fig. 3, the guide rail 51 may be fixedly connected to the housing assembly, and the slider 52 may be fixedly connected to the mounting assembly.
Of course, the guiding assembly 5 may be configured as a sliding groove structure or a roller structure.
Preferably, as shown in fig. 2 and 3, the mounting assembly 20 includes a plurality of sets, and the sets are arranged in parallel and are respectively mounted at the corresponding support plates of the housing assembly.
Preferably, as shown in fig. 2 and 3, the driving assembly 3 includes several groups, each driving a different mounting assembly.
The mounting assembly 20 may further include a position sensor to detect a movement position of the mounting assembly or a mounting position of the beam current modulation apparatus.
The invention also provides a beam modulation system, which comprises beam modulation equipment and the beam modulation equipment adapting device.
According to one embodiment of the invention, the beam modulation device comprises a ridge filter assembly and/or an energy degrader assembly, and preferably the beam modulation device comprises ridge filter assemblies of different thicknesses and different energy degrader assemblies.
In some embodiments, the mounting assembly 20 may be provided in a plurality, and the equipment assembly 25 (e.g., beam conditioning equipment) installed in each mounting assembly 20 is different; among the multiple device assemblies 25, can include the ridge filter subassembly of different thickness and the energy degrader subassembly of difference, consequently can be according to different patients' target tumour target area, realize the quick adaptation to ridge filter and energy degrader, and then improve treatment efficiency.
Additionally, the mounting assembly 20 may be provided with a plurality of sensor assemblies 28 for spacing and device identification. For example, a sensor assembly 28 may be provided, and when the mounting assembly 20 moves rapidly in the housing assembly 1 and reaches a designated position, the sensor assembly 28 starts to operate and sends a signal to stop the operation of the driving assembly 3, so as to achieve an accurate limit function; meanwhile, the sensor 28 assembly also has a coding function, and different installation assemblies 20 can form a unique device identifier so as to identify different ridge filters and energy degraders; similarly, a further sensor assembly (not shown) may be provided which is activated when the equipment assembly 25 is inserted into position to indicate that the equipment assembly 25 is installed; and the other sensor assembly has a coding function, and when the different equipment assemblies 25 are mounted in place, a unique equipment identification code is formed corresponding to each equipment assembly 25.
In addition, 1 or more mechanical limit protectors (not shown in the figure) can be arranged on the shell assembly 1 and the mounting assembly 20 to ensure the safety of the mounting assembly 20 during movement.
The invention can quickly install and select and use the equipment components such as beam current adjusting equipment, saves the equipment replacement time, improves the efficiency, and has accurate and reliable adjustment.
The invention has simple structure, easy realization, convenient operation and compact structure, and can better solve the radiation safety problem of personnel.
Examples
As shown in fig. 1 and 2, a beam current modulation system mainly includes a housing assembly 1, a functional assembly 2, a driving assembly 3, a cable protection chain 4, and a guide assembly 5.
As shown in fig. 5, the housing assembly 1 includes an upper plate 11, a right side plate 12, a front plate 13, a support plate 14, a left side plate 15, and a rear plate 16; all parts of the shell component 1 are connected by screws, and a hole site connected with the driving component 3 is arranged on the back panel 16; 3 layers of supporting plates 14 are arranged, and each layer of supporting plate 14 is connected with the guide rail 51; the right side plate 12 is connected to one end of the cable protection chain 4. The rear ends of the upper plate 11 and the supporting plate 14 are both provided with square holes, so that beam current can pass through the holes conveniently.
As shown in fig. 6a, 6b, the functional assembly 2 mainly comprises a connecting plate 21, a first positioning bar 22, a tension spring 23, a tension bar 24, a device assembly 25, a snap assembly 26 and a second positioning bar 27. Wherein, the connecting plate 21, the first positioning bar 22, the tension spring 23, the tension bar 24, the snap assembly 26 and the second positioning bar 27 form the mounting assembly 20.
The connecting plate 21 is provided with a first positioning bar 22 and a second positioning bar 27, respectively, the bottom surface of the connecting plate 21 is fixedly connected with the slider 52 (as shown in fig. 3), and the rear end is provided with a limiting block 203 (as shown in fig. 6 a) for the equipment assembly 25.
As shown in fig. 6b and 6c, 2 tension springs 23 are arranged on the first positioning bar 22, and the tension bar 24 is fixed by using a pin. One end of the tensioning spring 23 is in contact with the tensioning strip 24, the other end of the tensioning spring is in contact with the first positioning strip 22, and the tensioning strip 24 is provided with a strip-shaped hole at the position of the pin shaft, so that the tensioning strip 24 is adjustable along the axial direction of the tensioning spring 23.
As shown in fig. 6b and 6d, the equipment assembly 25 is arranged in a mounting groove 29 formed by the first positioning strip 22, the tensioning strip 24 and the second positioning strip 27, and a hand-holding space is arranged at the front end; a buckle component 26 is arranged between the second positioning strip 27 and the connecting plate 21, a clamping groove is arranged at the corresponding position of the equipment component 25, and one end of the buckle component 26 can be inserted into the clamping groove to play a positioning role; the second positioning bar 27 is further provided with screw holes (as shown in fig. 2) for connecting the driving assembly 3. Thus, for the equipment assembly 25, there is a stop 203 on the connection plate 21 at the rear end, a tension bar 24 on the right under the force of the tension spring 23, a second positioning bar 27 on the left and a stop for the snap assembly 26 in the front, rear and left directions. When the equipment assembly 25 needs to be taken out, the buckle assembly 26 is pulled to enable one end of the buckle assembly to be separated from the clamping groove of the equipment assembly 25.
In practical use, the functional components 2 can be set to be 3, the rest components except the equipment components 25 are the same, and of the 3 equipment components 25, 1 is an energy degrader component, and the rest 2 are ridge-type filter components with different thicknesses. The structure is convenient for replacing the equipment assembly 25, is convenient for plugging and unplugging, and is stable and reliable.
As shown in fig. 2 and 4, the driving assembly 3 includes a driving motor 31, a coupling 32, a front fixing base 33, a ball screw 34, and a rear fixing base 35. The front fixing seat 33 is fixedly connected with the rear panel 16, one end of the rear fixing seat 35 is fixedly connected with the second positioning strip 27, and the other end of the rear fixing seat is a nut and is sleeved on the ball screw 34. When the driving motor 31 works, the driving coupling 32 and the ball screw 34 rotate, and the driving motor 31 and the coupling 32 are relatively fixed with the shell assembly 1, so that the functional assembly 2 is driven to move along the guide rail 51, and the functional assembly enters the square hole position of the shell assembly 1, namely the beam position. Thus, a fast adjustment of the functional component 2 can be achieved. In the in-service use, can set up 3 drive assembly 3, one end all with casing subassembly 1 relatively fixed, the other end is connected with 3 functional block 2 respectively, can make 1 degrader subassembly and 2 ridge type filter subassemblies get into the beam position fast.
One end of the cable protection chain 4 is fixed to the housing component 1 and the other end is fixed to the functional component 2 in order to protect all cables of the functional component 2. The cable protection chain 4 may protect the cable using an existing flexible chain structure.
It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In addition, in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing embodiments are merely illustrative of the present invention, and various components and devices of the embodiments may be changed or eliminated as desired, not all components shown in the drawings are necessarily required, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments described herein, and all equivalent changes and modifications based on the technical solutions of the present invention should not be excluded from the scope of the present invention.