CN116899124B - Proton accelerator mounting method and radiotherapy equipment - Google Patents
Proton accelerator mounting method and radiotherapy equipment Download PDFInfo
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- CN116899124B CN116899124B CN202310894244.8A CN202310894244A CN116899124B CN 116899124 B CN116899124 B CN 116899124B CN 202310894244 A CN202310894244 A CN 202310894244A CN 116899124 B CN116899124 B CN 116899124B
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000001959 radiotherapy Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000009434 installation Methods 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 206010028980 Neoplasm Diseases 0.000 claims abstract description 17
- 238000000605 extraction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 17
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002661 proton therapy Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
- A61N2005/1087—Ions; Protons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
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Abstract
The invention belongs to the technical field of high-end medical equipment, and discloses a proton accelerator installation method and radiation therapy equipment. The proton accelerator mounting method includes: firstly, digging a pit with a preset size on the ground of a treatment room, leveling the installation position of the pit bottom of the pit, and pre-burying a steel plate at the installation position; then, fixing the lifting mechanism on the steel plate through an anchor bolt; finally, the accelerator body is fixed on the support frame, and the support frame is fixed on the lifting end of the lifting mechanism, so that the up-and-down displacement of the proton accelerator is realized, the proton accelerator is convenient for treating a tumor target area of a patient, the proton accelerator can achieve an expected treatment effect, and more radiotherapy scenes can be covered. The proton accelerator installation method is simple and feasible, and can save the space of a treatment room, thereby reducing the occupied ground space.
Description
Technical Field
The invention relates to the technical field of high-end medical equipment, in particular to a proton accelerator installation method and a proton accelerator.
Background
Radiation therapy is one of three means of tumor therapy, and accelerators used in radiation therapy mainly include linear accelerators, proton accelerators, and carbon ion accelerators. The proton treatment system is a radiation treatment system for providing proton beams for tumor treatment, and the system leads the proton beams with prescribed doses and three-dimensional dose distribution to a tumor target area of a patient to achieve the treatment purpose.
Proton therapy systems for clinical settings should be designed with consideration of overall size, cost and complexity. In a crowded clinical setting, not leaving more space available for the treatment system, lower cost may allow for more systems to be deployed to meet a wider patient population, and lower complexity may better meet the clinical needs of the physician, making the system more reliable for routine clinical use. Existing proton accelerators are usually fixed or rotatable, but cannot be lifted and lowered, and cannot meet certain treatment scenarios.
Accordingly, there is a need for a new accelerator mounting method and proton radiation therapy apparatus that solve the problems of the prior art.
Disclosure of Invention
The invention aims to provide a proton accelerator installation method, which can save the space of a treatment room, thereby reducing the occupied ground space, and can adjust the position of an accelerator body through a lifting mechanism, and can realize the accurate positioning and adjustment of a tumor target area of a patient in the treatment process so as to better treat the patient.
To achieve the purpose, the invention adopts the following technical scheme:
a proton accelerator mounting method, comprising:
s100, digging a pit with a preset size downwards on the ground of a treatment room, leveling the installation position of the pit bottom of the pit, embedding a steel plate in the installation position, and providing a patient treatment space above the ground of the treatment room;
s200, fixing a lifting mechanism on the steel plate through an anchor bolt and positioned in the pit, wherein the lifting mechanism extends in the vertical direction to be not more than the ground of the treatment room;
s300, fixing an accelerator body on a supporting frame, fixing the supporting frame on a lifting end of a lifting mechanism to realize lifting, enabling the accelerator body to extend into the pit, enabling the accelerator body to extend out of the pit, and enabling one end of the accelerator body to be connected with a treatment head above the ground of the treatment room, wherein the treatment head extends into a treatment space of a patient;
the step S300 includes a step S310 of mounting a guide mechanism extending in a vertical direction, i.e., a first direction, on a wall surface of the treatment room, the guide mechanism being configured to guide the accelerator body to rise and fall;
the guide mechanism and the support frame are arranged at intervals along the proton beam outlet direction to form an accommodating space; the accelerator body comprises a cylindrical part, the lifting mechanism is configured to drive the accelerator body to lift along a first direction vertical to the ground of the treatment room, the first direction is vertical to the direction of leading out the proton beam, the first direction is vertical to the axis direction of the cylindrical part, and the guide mechanism and the treatment head are respectively positioned at two sides of the cylindrical part.
Optionally, the guiding mechanism includes a guide rail and a slider, the guide rail is disposed on a wall surface of the treatment room along a vertical direction, the slider is slidably connected with the guide rail, and the slider is fixed on the cylinder portion of the accelerator body.
Optionally, a limiting part for resisting the ascending of the sliding block in the first direction is arranged on the guide rail, and the limiting part is used for preventing the accelerator body from colliding with the top of the treatment room.
Optionally, the lifting mechanism comprises a plurality of hydraulic cylinders positioned in the pits, and the hydraulic cylinders are fixed on the steel plate through anchor bolts.
Optionally, in step S300, further includes:
s320, installing an auxiliary clamp, and fixing the accelerator body on the support frame;
s330, loading the support frame into the auxiliary clamp;
s340, removing the auxiliary clamp after the supporting frame is installed on the lifting end of the lifting mechanism by means of the auxiliary clamp.
Optionally, the auxiliary fixture comprises a plurality of pulleys with telescopic functions, a plurality of pulleys with telescopic functions are uniformly distributed along the circumference of the pit wall of the pit so as to enclose a clamping space, and a plurality of pulleys with telescopic functions can shrink towards the periphery of the steel plate so that the supporting frame smoothly enters the clamping space.
Optionally, in step S100, further includes:
s120, leveling the installation position by adopting two horizontal and vertical levels.
The invention aims to provide a proton accelerator, the position of an accelerator body can be adjusted through a lifting mechanism, and the accurate positioning and adjustment of a tumor target area of a patient can be realized in the treatment process, so that the patient can be better treated.
To achieve the purpose, the invention adopts the following technical scheme:
a radiation therapy apparatus, the radiation therapy apparatus comprising:
the lifting mechanism is arranged in a pit below the ground of the treatment room;
the supporting frame is arranged on the lifting end of the lifting mechanism;
the accelerator body is arranged on the support frame, the accelerator body comprises a cylinder part, the lifting mechanism is configured to drive the support frame and the accelerator body to lift along a first direction perpendicular to the ground of the treatment room, the first direction is perpendicular to the direction in which proton beams are led out, and the first direction is perpendicular to the axis direction of the cylinder part; one end of the accelerator body is connected with a treatment head which is positioned above the ground of the treatment room and extends into the treatment space of the patient;
the guide mechanism is arranged on the wall surface of the treatment room perpendicular to the ground of the treatment room along the first direction, and the moving end of the guide mechanism is connected with the accelerator body;
the accelerator body is installed by adopting the proton accelerator installation method.
Optionally, the guiding mechanism includes guide rail and slider, the guide rail along vertical direction set up in on the wall of treatment room, the slider with guide rail sliding connection, just the slider is in pairs the interval setting and is fixed in on the accelerator body drum portion, guiding mechanism and treatment head are located the both sides of drum portion respectively.
Optionally, the distance between the sliding blocks does not exceed the thickness of the cylindrical part, the sliding blocks do not exceed the cylindrical part along the axial direction of the cylindrical part, and the sliding blocks are located on the outer side of the supporting frame.
The beneficial effects are that:
according to the proton accelerator installation method provided by the invention, firstly, the pit with the preset size is dug on the ground of the treatment room, the installation position of the pit bottom is leveled, the steel plate is pre-buried at the installation position, then the lifting mechanism is fixed on the steel plate through the anchor bolt, finally the accelerator body is fixed on the support frame, and the support frame is fixed on the lifting end of the lifting mechanism, so that the up-and-down displacement of the proton accelerator is realized, the proton accelerator is convenient for treating a tumor target area of a patient, the proton accelerator can achieve the expected treatment effect, and more radiotherapy scenes can be covered. The proton accelerator installation method is simple and feasible, and can save the space of the treatment room, thereby reducing the occupied ground space, being very beneficial to the space planning and layout of the treatment room, and enabling the treatment room to more effectively utilize the space resources.
The invention provides radiation therapy equipment which comprises a lifting mechanism, a support frame, an accelerator body and a guide mechanism, wherein the support frame is arranged on the ground of a therapy room, the support frame is arranged on the lifting end of the lifting mechanism, the accelerator body is arranged on the support frame, the lifting mechanism is used for driving the accelerator body to lift, the guide mechanism is arranged on a wall surface along the vertical direction, the moving end of the guide mechanism is connected with the accelerator body, and the guide mechanism can guide the accelerator body in the lifting process, so that the lifting process of the accelerator body is more stable. According to the proton accelerator, lifting movement is realized in a vertical plane through the lifting mechanism, the position of the accelerator body can be adjusted, the beam extraction direction of the accelerator and the movement direction of the accelerator are in coplanar vertical relation, accurate positioning and adjustment of a tumor target area of a patient are realized in the radiotherapy process, and the proton beam is guided to the tumor target so as to treat the patient better.
Drawings
FIG. 1 is a flow chart of a proton accelerator installation method provided by the present invention;
FIG. 2 is a schematic diagram of a radiation therapy device provided by the present invention;
FIG. 3 is a schematic view of the structure of the accelerator body provided by the present invention;
FIG. 4 is a schematic view of a treatment room provided by the present invention;
fig. 5 is a schematic structural view of the accelerator body mounting process provided by the present invention.
In the figure:
1. the ground of the treatment room; 11. pit; 12. a treatment space; 2. a steel plate; 3. a lifting mechanism; 4. a support frame; 5. an accelerator body; 51. a cylindrical portion; 52. a treatment head; 53. a cooling tower; 6. a guide mechanism; 61. a guide rail; 62. a slide block; 621. a limit part; 7. and an auxiliary clamp.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The present embodiment provides a proton accelerator mounting method, as shown in fig. 1 to 4, comprising:
s100, digging a pit 11 with a preset size downwards on the ground 1 of the treatment room, leveling the installation position of the pit bottom of the pit 11, and pre-burying the steel plate 2 at the installation position, thereby providing a stable supporting foundation and providing a patient treatment space 12 above the ground 1 of the treatment room.
S200, fixing the lifting mechanism 3 on the steel plate 2 through an anchor bolt and being located in the pit 11, wherein the lifting mechanism 3 does not extend beyond the floor 1 of the treatment room in the vertical direction, and the lifting mechanism 3 can be safely fixed on the steel plate 2 through the anchor bolt, so that the stability of the lifting mechanism is ensured.
S300, fixing the accelerator body 5 on the support frame 4, fixing the support frame 4 on the lifting end of the lifting mechanism 3 to realize lifting of the accelerator body 5, wherein part of the accelerator body 5 extends into the pit 11, part of the accelerator body 5 extends out of the pit 11, one end of the accelerator is connected with a treatment head 52 positioned above the floor 1 of the treatment room, and the treatment head 52 extends into the treatment space 12 of the patient to provide treatment for the patient. The fixation of the accelerator body 5 to the support frame 4 provides a strong support structure ensuring the stability of the proton accelerator during treatment. The support frame 4 is fixed on the lifting end of the lifting mechanism 3 to realize the up-and-down displacement of the proton accelerator, so that the height of the proton accelerator can be adjusted according to the requirement to better treat the tumor target area of the patient. The proton beam is led out in the direction perpendicular to the accelerator, and is led to the tumor target of the patient by being matched with a multiaxial motion platform for placing the patient. The mode overturns the scheme of traditional radiotherapy and can better meet clinical requirements.
The step S300 further includes a step S310, in which a guiding mechanism 6 extending along a vertical direction, i.e., a first direction, is mounted on a wall surface of the treatment room, and the guiding mechanism 6 is used for guiding the lifting of the accelerator body 5, so that guiding and positioning support can be provided in the lifting process of the proton accelerator, accurate guiding and positioning can be realized, which is helpful for ensuring the accuracy and stability of the proton accelerator in the treatment process, improving the treatment effect, and protecting the safety of equipment and patients.
The guide mechanism 6 and the support frame 4 are arranged at intervals along the direction of proton beam extraction to form an accommodating space which is convenient for maintenance personnel to enter for equipment maintenance; the accelerator body 5 comprises a cylindrical part 51, the lifting mechanism 3 is used for driving the accelerator body 5 to lift along a first direction vertical to the floor 1 of the treatment room, the first direction is vertical to the direction of leading out the proton beam, the first direction is vertical to the axis direction of the cylindrical part 51, and the guiding mechanism 6 and the treatment head 52 are respectively positioned at two sides of the cylindrical part 51, so that the device is more compact, the space is saved, and the development trend of miniaturization of the radiotherapy device is met.
The proton accelerator installation method provided by the embodiment is simple and easy to implement, can save the space of the treatment room and reduce the occupied ground space, is very beneficial to the space planning and layout of the treatment room, and can more effectively utilize the space resources of the treatment room. In addition, the installation method ensures the stability of the proton accelerator and the realization of the lifting function by fixing the accelerator body 5 on the lifting end of the lifting mechanism 3 through the supporting frame 4, which is helpful for accurately positioning and adjusting the proton accelerator and realizing the accurate treatment of the tumor target area of the patient.
Alternatively, as shown in fig. 2 to 4, the guide mechanism 6 includes a guide rail 61 and a slider 62, the guide rail 61 is provided on the wall surface of the treatment room in the vertical direction, the slider 62 is slidably connected with the guide rail 61, and the slider 62 is fixed to the cylindrical portion 51 of the accelerator body 5 so that the accelerator body 5 can slide along the guide rail 61 and is guided and restricted in the vertical direction, and the combination of the guide rail 61 and the slider 62 provides a guiding and positioning function for the lifting process of the accelerator body 5. The sliding connection of the slider 62 and the guide rail 61 can realize smooth movement of the accelerator body 5, and the sliding performance of the slider 62 and the design of the guide rail 61 can reduce friction and resistance, so that the accelerator body 5 can smoothly move in the lifting process and can stop at a required position.
Optionally, the guide rail 61 is provided with a limiting part 621 for resisting the sliding block 62 to rise in the first direction, and the limiting part 621 is used for avoiding collision between the accelerator body 5 and the top of the treatment room, so as to ensure the safety of the accelerator body 5.
Alternatively, as shown in fig. 2-3, the lifting mechanism 3 comprises a plurality of hydraulic cylinders positioned in the pits 11, the hydraulic cylinders are fixed on the steel plate 2 through anchor bolts, and the hydraulic cylinders have high bearing capacity and can bear the weight of the proton accelerator body 5 and other additional loads. The total load carrying capacity of the lifting mechanism 3 can be further increased by a combination of a plurality of hydraulic cylinders to accommodate the requirements of the proton accelerator. And the stable lifting control can be provided by adopting the hydraulic cylinder, so that the proton accelerator is kept stable in the up-and-down movement process, the vibration and the shaking are reduced, the stability and the accuracy of the proton accelerator are ensured, and the accuracy and the effect of treatment are improved.
Optionally, the hydraulic cylinder also has higher control precision, and accurate lifting movement can be realized, so that the proton accelerator can realize accurate height adjustment, thereby accurately positioning and treating the tumor target area of the patient and improving the accuracy and precision of treatment.
The hydraulic cylinder is adopted as the lifting mechanism 3 and is fixed on the steel plate 2 through the anchor bolt, so that the effects of high bearing capacity, high stability and high lifting precision can be brought to the installation of the proton accelerator, the proton accelerator can achieve the expected treatment effect, and more radiotherapy scenes can be covered.
Optionally, in step S300, further includes:
s320, installing an auxiliary clamp 7, and fixing the accelerator body 5 on the support frame 4;
s330, the support frame 4 is mounted in the auxiliary clamp 7, by means of which auxiliary clamp 7 additional support and operational convenience can be provided during the mounting process. The supporting frame 4 can be placed on the lifting end of the lifting mechanism 3 more easily by means of the auxiliary clamp 7, so that the accuracy and stability of installation are ensured.
S340, as shown in fig. 5, the auxiliary jig 7 is removed after the support frame 4 is mounted on the lifting end of the lifting mechanism by means of the auxiliary jig 7. After the proton accelerator is installed, the auxiliary clamp 7 needs to be removed, which involves removing the auxiliary clamp 7 from the installation position and ensuring that it does not have any influence on the normal operation and treatment of the proton accelerator, and after the auxiliary clamp 7 is removed, the proton accelerator can be operated and used normally.
Optionally, the auxiliary fixture 7 includes a plurality of pulleys with telescopic function, and the pulleys with telescopic function are uniformly distributed (uniformly arranged) along the circumference of the pit wall of the pit 11 to enclose a clamping space, and the pulleys with telescopic function can shrink towards the periphery of the steel plate 2, so that the support frame 4 smoothly enters the clamping space, and support and positioning of the support frame 4 can be provided to ensure that the support frame 4 is correctly placed on the lifting mechanism 3.
Optionally, in step S100, further includes:
s110, the pit 11 is not smaller than 4000mm long, not smaller than 3000mm wide and not smaller than 1600mm high. By requiring the dimensions of the recess 11 to have a certain length, width and height, it is ensured that the proton accelerator and its associated components can be adapted to the installation space requirements. This provides sufficient space to accommodate the proton accelerator apparatus and ensures proper operation and maintenance of the apparatus after installation.
Moreover, the size of the preset pit 11 provides enough space to provide a movement space for the accelerator to rise and fall along the height direction, and meanwhile, an installer can perform necessary operations in the pit 11, such as placing a steel plate 2, fixing equipment and the like, so that the space adaptability, the installation convenience and the equipment stability of the proton accelerator in the installation process can be ensured, the installation process can be simplified, the installation efficiency can be improved, the installation quality and the overall performance of the proton accelerator can be improved, and the expected treatment effect can be further realized.
Optionally, in step S100, further includes:
s120, leveling the installation position by adopting two horizontal and vertical levels. By adopting the horizontal level gauge and the vertical level gauge to level the installation position, the accuracy and the stability of the installation can be improved, the installation accuracy is improved, the installation error is avoided, the proton accelerator is ensured to be at the optimal horizontal position after the installation, and accurate and stable treatment is provided for patients.
Alternatively, the steel plate 2 has a length of 3550mm and a width of 2350mm, and the steel plate 2 has a surface roughness of 0.8 to 0.9 μm. This enables the steel plate 2 to match the size and shape of the pit 11 and provide a stable foundation support. The proper surface roughness facilitates close contact between the steel plate 2 and the lifting mechanism 3 and provides better friction, thereby increasing stability of installation.
Optionally, the upper surface of the steel plate 2 is 1600±3mm away from the floor 1 of the treatment room, and the height adjustment and accurate positioning of the proton accelerator can be achieved, which helps to ensure the accuracy and stability of treatment, providing high quality proton treatment services to patients.
Alternatively, the support frame 4 is a hollow steel support frame 4. The hollow steel support frame 4 has good strength and stability, which can ensure that the support frame 4 maintains structural stability under load to support the installation and operation of the proton accelerator. The hollow steel support frame 4 has a lighter weight than the solid steel support frame 4, which can reduce the overall weight of the support frame 4, reduce the load on the foundation and mounting structure, and also reduce the cost of manufacture and installation.
The embodiment also provides a radiotherapy apparatus, as shown in fig. 2-4, the radiotherapy apparatus includes a lifting mechanism 3, a support frame 4, an accelerator body 5 and a guiding mechanism 6, the lifting mechanism 3 is disposed in a pit 11 under the floor 1 of the treatment room, the support frame 4 is disposed on the lifting end of the lifting mechanism 3, the accelerator body 5 is disposed on the support frame 4, the accelerator body 5 includes a cylindrical portion 51, the lifting mechanism 3 is used for driving the support frame 4 and the accelerator body 5 to lift along a first direction perpendicular to the floor 1 of the treatment room, the first direction is perpendicular to the direction in which proton beams are led out, and the first direction is perpendicular to the axial direction of the cylindrical portion 51; one end of the accelerator body 5 is connected to a treatment head 52 located above the treatment room floor 1 and extending into the patient treatment space 12 to treat the patient. The guiding mechanism 6 is arranged on the wall surface of the treatment room perpendicular to the floor 1 of the treatment room along the first direction, and the moving end of the guiding mechanism 6 is connected with the accelerator body 5, so that the lifting process of the accelerator body 5 is guided, and the lifting process of the accelerator body 5 is more stable. The accelerator body 5 in the present embodiment is mounted using the proton accelerator mounting method described above.
The radiotherapy equipment realizes lifting movement in a vertical plane through the lifting mechanism 3, can adjust the position of the accelerator body 5, can enable the direction of leading out the beam current of the accelerator to form the coplanar vertical relationship with the direction of movement of the accelerator, realizes accurate positioning and adjustment on a tumor target area of a patient in the radiotherapy process, and leads proton beam current to the tumor target so as to better treat the patient.
Optionally, the guiding mechanism 6 includes a guide rail 61 and a sliding block 62, the guide rail 61 is disposed on a wall surface of the treatment room along a vertical direction, the sliding block 62 is slidably connected with the guide rail 61, and the sliding blocks 62 are disposed in pairs at intervals and fixed on the cylindrical portion 51 of the accelerator body 5, and the guiding mechanism 6 and the treatment head 52 are respectively located at two sides of the cylindrical portion 51, so that the radiotherapy apparatus is more compact, saves space, and accords with the development trend of miniaturization of the radiotherapy apparatus.
The accelerator body 5 is made slidable along the guide rail 61 by the guide mechanism 6 and guided and restricted in the vertical direction, and the combination of the guide rail 61 and the slider 62 provides a guiding and positioning function for the lifting process of the accelerator body 5. The sliding connection of the slider 62 and the guide rail 61 can realize smooth movement of the accelerator body 5, and the sliding performance of the slider 62 and the design of the guide rail 61 can reduce friction and resistance, so that the accelerator body 5 can smoothly move in the lifting process and can stop at a required position.
Optionally, the distance between the sliders 62 does not exceed the thickness of the cylindrical portion 51, the sliders 62 do not exceed the cylindrical portion 51 along the axial direction of the cylindrical portion 51, and the sliders 62 are located outside the support frame 4, so as to provide guiding, positioning and smooth movement during lifting and lowering of the accelerator body 5, which helps to ensure accuracy, stability and precision of the radiotherapy apparatus, and to improve the therapeutic effect and safety.
Optionally, the accelerator body 5 further comprises a cooling tower 53, the main function of the cooling tower 53 is to absorb heat generated by the accelerator body 5 by means of a cooling medium (such as water or air) and then transfer the heat to the environment to keep the accelerator body 5 within an acceptable temperature range to ensure its normal operation and stability.
Optionally, a treatment space 12 is further provided in the treatment room, and after the patient enters the treatment space 12, the radiotherapy device cooperates with a multi-axis motion platform for placing the patient, so as to guide the beam to the tumor target of the patient. The mode overturns the scheme of traditional radiotherapy and can better meet clinical requirements.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. A proton accelerator mounting method, characterized by comprising:
s100, digging a pit (11) with a preset size downwards on the ground (1) of a treatment room, leveling the installation position of the pit bottom of the pit (11), pre-burying a steel plate (2) at the installation position, and providing a patient treatment space (12) above the ground (1) of the treatment room;
s200, fixing a lifting mechanism (3) on the steel plate (2) through an anchor bolt and being positioned in the pit (11), wherein the lifting mechanism (3) does not extend beyond the floor (1) of the treatment room in the vertical direction;
s300, fixing an accelerator body (5) on a supporting frame (4), fixing the supporting frame (4) on a lifting end of a lifting mechanism (3) to achieve lifting, enabling the accelerator body (5) to partially extend into the pit (11), enabling the accelerator body (5) to partially extend out of the pit (11), enabling one end of the accelerator body (5) to be connected with a treatment head (52) located above the floor (1) of the treatment room, and enabling the treatment head (52) to extend into a treatment space (12) of a patient;
step S300 includes step S310, mounting a guide mechanism (6) extending in a first direction, which is a vertical direction, on a wall surface of the treatment room, wherein the guide mechanism (6) is configured to guide the accelerator body (5) to be lifted;
the guide mechanism (6) and the support frame (4) are arranged at intervals along the direction of proton beam extraction to form an accommodating space; the accelerator body (5) comprises a cylindrical part (51), the lifting mechanism (3) is configured to drive the accelerator body (5) to lift along a first direction perpendicular to the floor (1) of the treatment room, the first direction is perpendicular to the direction of leading out the proton beam, the first direction is perpendicular to the axis direction of the cylindrical part (51), a multi-axis motion platform for placing a patient is matched, the proton beam is guided to a tumor target of the patient, and the guiding mechanism (6) and the treatment head (52) are respectively positioned on two sides of the cylindrical part (51).
2. The proton accelerator mounting method according to claim 1, wherein the guide mechanism (6) includes a guide rail (61) and a slider (62), the guide rail (61) is provided on a wall surface of the treatment room in a vertical direction, the slider (62) is slidably connected with the guide rail (61), and the slider (62) is fixed to the cylindrical portion (51) of the accelerator body (5).
3. The proton accelerator mounting method according to claim 2, wherein the guide rail (61) is provided with a stopper (621) for resisting the ascent of the slider (62) in the first direction, the stopper (621) being for avoiding collision of the accelerator body (5) with the treatment room top.
4. The proton accelerator installation method according to claim 1, characterized in that the lifting mechanism (3) comprises a number of hydraulic cylinders located in the pit (11), which are fixed to the steel plate (2) by means of anchor bolts.
5. The proton accelerator mounting method as claimed in claim 1, further comprising, in step S300:
s320, installing an auxiliary clamp (7) to fix the accelerator body (5) on the support frame (4);
s330, loading the support frame (4) into the auxiliary clamp (7);
s340, removing the auxiliary clamp (7) after the supporting frame (4) is installed on the lifting end of the lifting mechanism (3) by means of the auxiliary clamp (7).
6. The proton accelerator mounting method as claimed in claim 5, wherein the auxiliary jig (7) includes a plurality of telescopic pulleys, the plurality of telescopic pulleys being uniformly distributed along a circumference of a pit wall of the pit (11) to define a clamping space, the plurality of telescopic pulleys being retractable toward an outer periphery of the steel plate (2) to smoothly enter the supporting frame (4) into the clamping space.
7. The proton accelerator mounting method as claimed in claim 1, further comprising, in step S100:
s120, leveling the installation position by adopting two horizontal and vertical levels.
8. A radiation therapy device, the radiation therapy device comprising:
the lifting mechanism (3) is arranged in the pit (11) below the floor (1) of the treatment room;
the supporting frame (4) is arranged on the lifting end of the lifting mechanism (3);
an accelerator body (5) disposed on the support frame (4), the accelerator body (5) including a cylindrical portion (51), the lifting mechanism (3) being configured to drive the support frame (4) and the accelerator body (5) to lift in a first direction perpendicular to the treatment room floor (1), the first direction being perpendicular to a proton beam extraction direction, the first direction being perpendicular to an axis direction of the cylindrical portion (51); one end of the accelerator body (5) is connected with a treatment head (52) which is positioned above the floor (1) of the treatment room and extends into the treatment space (12) of the patient;
the guide mechanism (6) is arranged on a treatment room wall surface perpendicular to the treatment room ground (1) along the first direction, and the moving end of the guide mechanism (6) is connected with the accelerator body (5);
the accelerator body (5) is mounted using the proton accelerator mounting method as claimed in any one of claims 1 to 7.
9. The radiotherapy apparatus according to claim 8, characterized in that the guiding mechanism (6) comprises a guide rail (61) and a slider (62), the guide rail (61) is arranged on the wall surface of the treatment room in the vertical direction, the slider (62) is slidably connected with the guide rail (61), and the slider (62) is arranged in pairs at intervals and is fixed on the cylindrical portion (51) of the accelerator body (5), and the guiding mechanism (6) and the treatment head (52) are respectively located on both sides of the cylindrical portion (51).
10. The radiotherapy apparatus according to claim 9, characterized in that the distance between the sliders (62) is not more than the thickness of the cylindrical portion (51), the sliders (62) do not exceed the cylindrical portion (51) in the axial direction of the cylindrical portion (51), and the sliders (62) are located outside the support frame (4).
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