CN216319547U - Double-track motion focusing radiotherapy equipment - Google Patents
Double-track motion focusing radiotherapy equipment Download PDFInfo
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- CN216319547U CN216319547U CN202122229265.7U CN202122229265U CN216319547U CN 216319547 U CN216319547 U CN 216319547U CN 202122229265 U CN202122229265 U CN 202122229265U CN 216319547 U CN216319547 U CN 216319547U
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Abstract
The utility model discloses a double-track motion focusing radiotherapy equipment, comprising: the device comprises a fixed rack and a rotating rack, wherein the fixed rack is provided with a ring sleeve structural member; rotatory frame is equipped with ring type structure and bearing structure, ring type structure connection bearing structure, ring type structure is located ring cover structure inboard to be connected with ring cover structure through the bearing, ring type structure is connected with ring cover structure and is rotated drive arrangement, it rotates drive arrangement drive ring type structure along ring cover structure, last treatment subassembly and the formation of image part of installing of bearing structure, actuating mechanism installs on bearing structure, can drive the treatment subassembly and slide. The device improves the accuracy of image guidance and target positioning by integrating the imaging component and the treatment component, shortens the time of radiotherapy, reduces the damage to normal tissues and visceral organs of a patient by a double-track focusing method, and enables the treatment scheme to be more optimized.
Description
Technical Field
The utility model relates to the technical field of radiotherapy equipment, in particular to double-track motion focusing radiotherapy equipment.
Background
Tumor radiotherapy is a local treatment for tumors using radiation. The radiation includes alpha, beta and gamma rays generated by radioactive isotopes, and x-rays, electron beams, proton beams and other particle beams generated by various x-ray therapeutic machines or accelerators. These rays focus on the abnormal tissue or the pathological tissue to produce focal necrosis or function change, so as to achieve the purpose of treating diseases. About 70% of cancer patients require radiation therapy in the course of treating cancer. The role and position of radiotherapy in tumor treatment are increasingly prominent, and the radiotherapy has become one of the main means for treating malignant tumors.
Radiotherapy imaging devices such as CT, CBCT or MRI are used in conjunction to determine the specific location of the diseased tissue and hence the target point of the diseased tissue relative to the radiation. However, the radiotherapy imaging device and the radiotherapy device are not integrated, the treatment positioning process is complicated, the positioning error is large, the time consumption is long, and the treatment time is prolonged. And the conventional radiotherapy equipment can only move in one direction, so that the angle of the treatment beam is limited, and the treatment beam inevitably passes through more human tissue cells and organs, so that healthy human tissue cells are damaged and injured.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide a dual-rail motion focusing radiotherapy device to solve the problems mentioned in the background art. In order to achieve the purpose, the utility model provides the following technical scheme: a dual-rail motion focused radiotherapy apparatus comprising:
the rotary frame is provided with a ring sleeve structural member and a supporting structural member, the ring structural member is connected with the supporting structural member, the ring structural member is positioned on the inner side of the ring sleeve structural member and is connected with the ring sleeve structural member through a bearing, the ring structural member and the ring sleeve structural member are connected with a rotation driving device, and the rotation driving device drives the ring structural member to rotate along the ring sleeve structural member;
the treatment assembly is movably connected to the supporting structural part, and the driving mechanism is arranged on the supporting structure and can drive the treatment assembly to move; and
an imaging component mounted on the support structure.
Preferably, the supporting structure spare includes two arches of placing in parallel, two the arch passes through the connecting piece and connects, two the tip fixed connection of arch the ring type structure spare, two the side of arch is equipped with the arc guide rail respectively.
Preferably, the treatment assembly comprises a ray emission device and a mounting bracket, the mounting bracket comprises a transverse supporting plate, two ends of the transverse supporting plate are fixedly connected with wing plates, inner side surfaces of the wing plates are fixedly connected with sliding blocks, the sliding blocks can slide along the arc-shaped guide rails, mounting holes are formed in the transverse supporting plate, and the ray emission device is fixedly mounted in the mounting holes.
Preferably, the driving mechanism comprises a screw motor, an output end of the screw motor is connected with a screw rod of a screw, a nut of the screw rod is rotatably connected with the wing plate through a nut seat, and the screw motor is rotatably connected with the arch-shaped piece.
Preferably, the rotation driving device includes a gear ring, a speed reduction mechanism, and a driving motor, the driving motor is connected to the speed reduction mechanism, and the speed reduction mechanism is engaged with the gear ring.
Preferably, the gear ring is fixedly mounted on the ring sleeve structural member, and the speed reducing mechanism and the driving motor are fixedly mounted on the ring-shaped structural member.
Preferably, the gear ring is fixedly mounted on the annular structural member, and the speed reducing mechanism and the driving motor are fixedly mounted on the annular structural member.
Preferably, the imaging component is a CBCT, the CBCT is fixedly mounted on the circular ring-shaped structural member, and a bulb tube and a flat plate sensor of the CBCT are located on two sides of the supporting structural member.
Preferably, the inboard of ring type structure is equipped with the head safety cover, the head safety cover is connected ring cover structure constitutes treatment space, fixed frame still includes base and shell body, pedestal connection ring cover structure bottom, the shell body is connected ring cover structure, the shell body cover is located bearing structure spare with the outside in treatment chamber.
Preferably, the horizontal included angle of the treatment beam emitted by the ray emission device is between 30 degrees and 90 degrees.
The utility model has the technical effects and advantages that: the device improves the accuracy of image guidance and target positioning by integrating the imaging component and the treatment component, shortens the time of radiotherapy, reduces the damage to normal tissues and visceral organs of a patient by a double-track focusing method, enlarges the selection space of a treatment scheme, and enables the treatment scheme to be more optimized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a left rear side view of the internal structure of the present invention;
FIG. 4 is a right rear side view of the internal structure of the present invention;
fig. 5 is an assembly view of the mounting bracket and treatment assembly of the present invention.
In the figure: 1-stationary gantry, 2-rotating gantry, 3-imaging part, 4-treatment component, 5-gear ring, 8-mounting bracket, 9-head protection, 10-outer shell, 11-ring structure, 12-base, 13-external movement device, 14-ray emission device, 21-ring structure, 22-support structure, 23-bearing, 31-bulb, 32-flat sensor, 61-speed reduction mechanism, 62-driving motor, 71-lead screw motor, 72-screw, 73-nut, 74-nut seat, 81-transverse pallet, 82-wing, 84-slide, 85-mounting hole, 221-arch, 222-connector, 223-arc guide.
Detailed Description
In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
1-5, a dual-rail motion focusing radiotherapy apparatus comprising: the device comprises a fixed rack 1 and a rotating rack 2, wherein the fixed rack comprises a ring sleeve structural member 11, a base 12 and an outer shell 10, the base 12 is connected with the bottom of the ring sleeve structural member 11, and the outer shell 10 is connected with the ring sleeve structural member 11;
the rotating frame 2 comprises a circular ring type structural member 21 and a supporting structural member 22, the outer shell 10 covers the outer side of the supporting structural member 22, the outer shell 10 plays a role in protecting and isolating equipment, in the embodiment, the outer shell 10 is formed by combining two independent parts, and the outer shell 10 can be a whole or formed by combining more than two parts;
the supporting structural part 22 comprises two arch-shaped parts 221, the two arch-shaped parts 221 are arranged in parallel, the two arch-shaped parts 221 are connected through a connecting part 222, the end part of each arch-shaped part 221 is fixedly connected with the circular structural part 21, and the side surface of each arch-shaped part 221 is provided with an arc-shaped guide rail 223;
the treatment component 4 comprises a mounting bracket 8 and a ray emission device 14, an arc-shaped guide rail 223 is slidably connected with a slide block 84 of the mounting bracket 8, the slide block 84 is fixedly connected with the inner side surface of a wing plate 82 of the mounting bracket 8, two wing plates 82 are provided and fixed at two ends of a transverse supporting plate 81, a mounting hole 85 is formed in the middle of the transverse supporting plate 81, the ray emission device 14 is fixedly arranged in the mounting hole 85, one of the two wing plates 82 is connected with a nut 73 of a lead screw through a nut seat 74 of a driving mechanism 7, a screw 72 of the lead screw is connected with a lead screw motor 71, the lead screw motor 71 is arranged on an arch-shaped part 221, the lead screw motor 71 can drive the screw 72 of the lead screw to move, the screw 72 of the lead screw is matched with the nut 73 of the lead screw to drive the wing plates 82 and the transverse supporting plate 81 to move, so as to drive the ray emission device 14 to move, in a specific embodiment, the lead screw motor 71 can also comprise a speed reducing mechanism to reduce the movement speed of the ray emission device 14, the imaging component 3 is mounted on the circular ring type structural component 21, the imaging component 3 is used for providing image guidance before and during treatment for radiotherapy of the ray emission device 14, the imaging component 3 is CBCT, a bulb tube 31 and a plate sensor 32 of the CBCT are positioned on two sides of the arch-shaped parts 221, a head protective cover 9 is arranged on the inner side of the circular ring type structural component 21, the head protective cover 9 is connected with the ring-shaped structural component 11, the head protective cover 9 is positioned between the two arch-shaped parts 221 and forms a treatment cavity, the ray emission device 14 can emit treatment beams to treat a patient in the treatment cavity, the treatment beams are one of alpha rays, beta rays, gamma rays, x rays, electronic wires and proton beams, the horizontal included angle of the treatment beams emitted by the ray emission device 14 is 30-90 degrees, and the circular ring type structural component 21 can shield the treatment beams emitted by the treatment part and prevent the treatment beams from leaking;
the annular structural part 21 is located on the inner side of the ring sleeve structural part 11 and connected through the bearing 23, the ring sleeve structural part 11 is provided with the gear ring 5, the gear ring 5 is meshed with the speed reducing mechanism 61, the speed reducing mechanism 61 is connected with the driving motor 62, the speed reducing mechanism 61 and the driving motor 62 are fixedly installed on the annular structural part 21, the driving motor 62 drives the speed reducing mechanism 61 to move in a meshed mode with the gear ring 5, and the annular structural part 21, the treatment component 4 and the imaging component 3 are driven to rotate along the treatment cavity.
A radiotherapy method of double-track motion focusing radiotherapy equipment specifically comprises the following steps:
the method comprises the following steps of firstly, obtaining a first three-dimensional coordinate of a target point to be treated of a patient in advance;
step two, obtaining a second three-dimensional coordinate of the target point to be treated of the patient through an imaging part 3 of the radiotherapy equipment;
step three, comparing the first three-dimensional coordinate with the second three-dimensional coordinate to obtain a difference value;
moving the patient to a position where the parameter between the second three-dimensional coordinate parameter and the first three-dimensional coordinate is zero;
and step five, the driving motor 62 drives the rotating rack 2 to rotate, so as to rotate the treatment component 4 along the first direction, and then the lead screw motor 71 drives the mounting bracket 8 and the treatment component 4 to move along the arc-shaped guide rail 223, so that the ray emission device 14 of the treatment component 4 treats the target point to be treated along the arc of the second direction.
Example 2
A dual-rail moving focus radiotherapy apparatus as shown in figures 1, 2 and 5, comprising: the device comprises a fixed rack 1 and a rotating rack 2, wherein the fixed rack comprises a ring sleeve structural member 11, a base 12 and an outer shell 10, the base 12 is connected with the bottom of the ring sleeve structural member 11, and the outer shell 10 is connected with the ring sleeve structural member 11;
the rotating frame 2 comprises a circular ring type structural member 21 and a supporting structural member 22, the outer shell 10 covers the outer side of the supporting structural member 22, the outer shell 10 plays a role in protecting and isolating equipment, in the embodiment, the outer shell 10 is formed by combining two independent parts, and the outer shell 10 can be a whole or formed by combining more than two parts;
the supporting structural part 22 comprises two arch-shaped parts 221, the two arch-shaped parts 221 are arranged in parallel, the two arch-shaped parts 221 are connected through a connecting part 222, the end part of each arch-shaped part 221 is fixedly connected with the circular structural part 21, and the side surface of each arch-shaped part 221 is provided with an arc-shaped guide rail 223;
the treatment component 4 comprises a mounting bracket 8 and a ray emission device 14, an arc-shaped guide rail 223 is slidably connected with a slide block 84 of the mounting bracket 8, the slide block 84 is fixedly connected with the inner side surface of a wing plate 82, two wing plates 82 are provided and fixed at two ends of a transverse supporting plate 81, a mounting hole 85 is formed in the middle of the transverse supporting plate 81, the ray emission device 14 is fixedly arranged in the mounting hole 85, one of the two wing plates 82 is connected with a nut 73 of a lead screw through a nut seat 74 of a driving mechanism 7, the screw 72 of the lead screw is connected with a lead screw motor 71, the lead screw motor 71 is fixedly arranged on an arch-shaped part 221, the lead screw motor 71 can drive the screw 72 of the lead screw to move, the screw 72 of the lead screw is matched with the nut 73 of the lead screw to drive the wing plates 82 and the transverse supporting plate 81 to move, so as to drive the ray emission device 14 to move, in a specific embodiment, the lead screw motor 71 can also comprise a speed reduction mechanism to reduce the movement speed of the driving ray emission device 14, the imaging component 3 is mounted on the circular ring type structural component 21, the imaging component 3 is used for providing image guidance before and during treatment for radiotherapy of the ray emission device 14, the imaging component 3 is CBCT, a bulb tube 31 and a plate sensor 32 of the CBCT are positioned on two sides of the arch-shaped parts 221, a head protective cover 9 is arranged on the inner side of the circular ring type structural component 21, the head protective cover 9 is connected with the ring-shaped structural component 11, the head protective cover 9 is positioned between the two arch-shaped parts 221 and forms a treatment cavity, the ray emission device 14 can emit treatment beams to treat a patient in the treatment cavity, the treatment beams are one of alpha rays, beta rays, gamma rays, x rays, electronic wires and proton beams, the horizontal included angle of the treatment beams emitted by the ray emission device 14 is 30-90 degrees, and the circular ring type structural component 21 can shield the treatment beams emitted by the treatment part and prevent the treatment beams from leaking;
the annular structural member 21 is located on the inner side of the ring sleeve structural member 11 and connected through the bearing 23, the annular structural member 21 is provided with the gear ring 5, the gear ring 5 is meshed with the speed reducing mechanism 61, the speed reducing mechanism 61 is connected with the driving motor 62, the speed reducing mechanism 61 and the driving motor 62 are fixedly installed on the ring sleeve structural member 11, the driving motor 62 drives the speed reducing mechanism 61 to move in a meshed mode with the gear ring 5, and the annular structural member 21, the treatment assembly 4 and the imaging component 3 are driven to rotate along the treatment cavity.
A radiotherapy method of double-track motion focusing radiotherapy equipment specifically comprises the following steps:
the method comprises the following steps of firstly, obtaining a first three-dimensional coordinate of a target point to be treated of a patient in advance;
step two, obtaining a second three-dimensional coordinate of the target point to be treated of the patient through an imaging part 3 of the radiotherapy equipment;
step three, comparing the first three-dimensional coordinate with the second three-dimensional coordinate to obtain a difference value;
moving the position of the patient to a position where the difference between the second three-dimensional coordinate and the first three-dimensional coordinate is zero;
and step five, driving the rotating rack 2 to rotate through the driving motor 62 according to the second three-dimensional coordinate parameter, so as to rotate the treatment component 4 along the first direction, and driving the mounting bracket 8 and the treatment component 4 to move along the arc-shaped guide rail 223 through the lead screw motor 71, so that the ray emission device 14 of the treatment component 4 treats the target point to be treated along the arc of the second direction.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (10)
1. A dual-rail motion-focused radiotherapy apparatus, comprising:
the rotary frame is provided with a ring sleeve structural member and a supporting structural member, the ring structural member is connected with the supporting structural member, the ring structural member is positioned on the inner side of the ring sleeve structural member and is connected with the ring sleeve structural member through a bearing, the ring structural member and the ring sleeve structural member are connected with a rotation driving device, and the rotation driving device drives the ring structural member to rotate along the ring sleeve structural member;
the treatment assembly is movably connected to the supporting structural part, and the driving mechanism is arranged on the supporting structural part and can drive the treatment assembly to move; and
an imaging component mounted on the support structure.
2. A dual-rail motion focusing radiotherapy apparatus according to claim 1, wherein: the supporting structure spare includes two parallel placement's arch-shaped component, two the arch-shaped component passes through the connecting piece and connects, two the tip fixed connection of arch-shaped component the ring type structure spare, two the side of arch-shaped component is equipped with the arc guide rail respectively.
3. A dual-rail motion focusing radiotherapy apparatus according to claim 2, wherein: the treatment assembly comprises a ray emission device and a mounting bracket, the mounting bracket comprises a transverse supporting plate, two ends of the transverse supporting plate are fixedly connected with wing plates, inner side faces of the wing plates are fixedly connected with sliding blocks, the sliding blocks can slide along the arc-shaped guide rails, mounting holes are formed in the transverse supporting plate, and the ray emission device is fixedly mounted in the mounting holes.
4. A dual-rail motion focusing radiotherapy apparatus according to claim 3, wherein: the driving mechanism comprises a lead screw motor, the output end of the lead screw motor is connected with a screw rod of a lead screw, a nut of the lead screw is rotatably connected with the wing plate through a nut seat, and the lead screw motor is rotatably connected with the arch-shaped piece.
5. A dual-rail motion focusing radiotherapy apparatus according to claim 1, wherein: the rotation driving device comprises a gear ring, a speed reducing mechanism and a driving motor, wherein the driving motor is connected with the speed reducing mechanism, and the speed reducing mechanism is meshed with the gear ring.
6. A dual-rail motion focusing radiotherapy apparatus according to claim 5, wherein: the gear ring is fixedly installed on the ring sleeve structural member, and the speed reducing mechanism and the driving motor are fixedly installed on the ring-shaped structural member.
7. A dual-rail motion focusing radiotherapy apparatus according to claim 5, wherein: the gear ring is fixedly installed on the annular structural member, and the speed reducing mechanism and the driving motor are fixedly installed on the annular sleeve structural member.
8. A dual-rail motion focusing radiotherapy apparatus according to claim 1, wherein: the imaging component is CBCT, CBCT fixed mounting in on the ring type structure, CBCT's bulb and flat panel sensor are located the both sides of bearing structure.
9. A dual-rail motion focusing radiotherapy apparatus according to claim 2, wherein: the inboard of ring type structure is equipped with the head safety cover, the head safety cover is connected ring cover structure constitutes treatment space, fixed frame still includes base and shell body, pedestal connection ring cover structure bottom, shell body coupling ring cover structure, the shell body cover is located the outside in bearing structure spare and treatment chamber.
10. A dual-rail motion focusing radiotherapy apparatus according to claim 3, wherein: the horizontal included angle of the treatment beam emitted by the ray emission device is between 30 and 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229265.7U CN216319547U (en) | 2021-09-15 | 2021-09-15 | Double-track motion focusing radiotherapy equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229265.7U CN216319547U (en) | 2021-09-15 | 2021-09-15 | Double-track motion focusing radiotherapy equipment |
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| Publication Number | Publication Date |
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| CN216319547U true CN216319547U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122229265.7U Active CN216319547U (en) | 2021-09-15 | 2021-09-15 | Double-track motion focusing radiotherapy equipment |
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| CN (1) | CN216319547U (en) |
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- 2021-09-15 CN CN202122229265.7U patent/CN216319547U/en active Active
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Effective date of registration: 20231031 Address after: 1st Floor, Building 18, No. 1-14, Lane 388, Kangye Road, Zhujiajiao Town, Qingpu District, Shanghai, 201799 Patentee after: Shanghai Aikrosi Medical Technology Co.,Ltd. Address before: 215151 standard workshop 15, supporting industrial park, No. 666 Jianlin Road, high tech Zone, Suzhou, Jiangsu Province Patentee before: Hanstai medical technology (Suzhou) Co.,Ltd. |
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