CN117482418A - Proton therapy system - Google Patents

Abstract

The invention discloses a proton therapy system. The proton therapy system includes: the rotary therapeutic device comprises a cyclotron, a rotary therapeutic chamber, a fixed therapeutic chamber, a beam transport device and a control device, wherein a rotary therapeutic mechanism and a therapeutic bed are arranged in the rotary therapeutic chamber, the rotary therapeutic mechanism comprises a rotary therapeutic head capable of revolving around a first axis, the fixed therapeutic head and a therapeutic chair are arranged in the fixed therapeutic chamber, and the therapeutic chair can rotate around a second axis. According to the proton treatment system provided by the embodiment of the invention, the rotating treatment room and the fixed treatment room can realize 360-degree radiation treatment on the tumor area of a patient, so that the application range of the fixed treatment room is improved, the number of the rotating treatment rooms in the proton treatment system is reduced, the occupied area of the proton treatment system is reduced, the construction cost and the equipment cost of the treatment system are reduced, the popularization and the use of the proton treatment system are facilitated, and meanwhile, the fixed treatment room can realize the arc irradiation function, so that the treatment effect of the proton treatment system is improved.

Description

Proton therapy system

Technical Field

The invention relates to the technical field of proton treatment, in particular to a proton treatment system.

Background

The proton treatment technology is an international advanced radiation treatment technology at present, the proton treatment technology can carry out radiation treatment on tumors such as cancers through protons, compared with the traditional radiation treatment, the Bragg peak effect of the proton treatment can carry out high-precision treatment on tumor areas, normal tissues in the tumor rear area hardly suffer from irradiation dose, and the survival rate of patients is higher.

In the related art, a proton treatment system is generally provided with a rotary treatment room and a fixed treatment room, the fixed treatment room can only carry out radiation treatment on a fixed part of a patient, the types of tumors treatable by the fixed treatment room are fewer, the use frequency is lower, the rotary treatment room can carry out 360-degree scanning treatment on different parts of the patient through equipment such as a rotary rack with larger volume and more complex structure, although the types of tumors treatable by the rotary treatment room are more, the occupied area of the rotary treatment room is larger, the equipment manufacturing and maintenance cost in the rotary treatment room is higher, the construction cost and the equipment cost of proton treatment are higher, and the popularization and the use of the proton treatment system are not facilitated.

Disclosure of Invention

The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the invention provides a proton treatment system, which can reduce the construction cost and equipment cost of the proton treatment system.

A proton therapy system according to an embodiment of the present invention includes: a cyclotron for generating a proton beam; the rotary treatment room is internally provided with a rotary treatment mechanism and a treatment bed, the rotary treatment mechanism comprises a rotary treatment head, the rotary treatment head is positioned at the outer side of the treatment bed, and the rotary treatment head can revolve around a first axis; the fixed treatment room is internally provided with a fixed treatment head and a treatment chair, the fixed treatment head is positioned at the outer side of the treatment chair, and the treatment chair can rotate around a second axis; a beam transport device for transporting the proton beam from the cyclotron to the rotating or stationary treatment head; and the control device is used for receiving a treatment plan, determining target operation parameters according to the treatment plan and controlling the cyclotron, the beam transport device, the rotary treatment mechanism and the treatment chair according to the target operation parameters.

According to the proton treatment system provided by the embodiment of the invention, the rotary treatment head and the treatment bed are arranged in the rotary treatment chamber, the rotary treatment head can revolve around the first axis, the fixed treatment head and the treatment chair are arranged in the fixed treatment chamber, the treatment chair can rotate around the second axis, the rotary treatment chamber and the fixed treatment chamber can realize 360-degree radiation treatment on the tumor area of a patient, so that the application range of the fixed treatment chamber is improved, the number of the rotary treatment chambers in the proton treatment system is reduced, the occupied area of the proton treatment system is reduced, the construction cost and the equipment cost of the treatment system are reduced, the popularization and the use of the proton treatment system are facilitated, and meanwhile, the fixed treatment chamber can realize the arc irradiation function so as to improve the treatment effect of the proton treatment system.

According to some embodiments of the invention, the first axis is perpendicular to the second axis.

Further, the second axis is perpendicular to the horizontal plane.

According to some embodiments of the invention, the treatment chair is further movable along a second axis.

According to some embodiments of the invention, the proton therapy system further comprises: the imaging device is used for acquiring tumor tissue images of a patient and sending the tumor tissue images to the planning device, and the planning device is used for generating the corresponding treatment plan according to the tumor tissue images and sending the treatment plan to the control device.

According to some embodiments of the invention, the beam transport device comprises a transport line, a plurality of secondary magnets and a plurality of quaternary magnets, wherein the secondary magnets are arranged at the bending part of the transport line, and the quaternary magnets are arranged at intervals along the extending direction of the transport line.

According to some embodiments of the invention, the number of stationary treatment rooms is one or more.

According to some embodiments of the invention, the cyclotron is configured as a superconducting cyclotron.

According to some embodiments of the invention, the rotary therapeutic mechanism further comprises a rotary frame and a first driving mechanism, wherein the first driving mechanism is used for driving the rotary frame to rotate around a first axis, and the rotary therapeutic head is fixedly arranged on the rotary frame.

According to some embodiments of the invention, a mechanical arm is further provided in the rotary treatment room, and the treatment couch is mounted to the mechanical arm.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic diagram of a proton therapy system according to an embodiment of the present invention.

Reference numerals:

a cyclotron 1;

a rotary treatment room 2; a rotary treatment mechanism 21; a first axis 22;

a stationary treatment room 3; a treatment chair 31; a second axis 32;

a beam transport device 4; a transport line 41; a secondary magnet 42; a four-stage magnet 43;

proton therapy system 10.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

A proton therapy system 10 according to an embodiment of the present invention is described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a proton therapy system 10 includes: the therapeutic apparatus comprises a cyclotron 1, a rotary therapeutic room 2, a fixed therapeutic room 3, a beam transport device 4 and a control device, wherein the cyclotron 1 is used for generating proton beams, a rotary therapeutic mechanism 21 and a therapeutic bed are arranged in the rotary therapeutic room 2, the rotary therapeutic mechanism 21 comprises a rotary therapeutic head, the rotary therapeutic head is positioned at the outer side of the therapeutic bed, the rotary therapeutic head can revolve around a first axis 22, the fixed therapeutic room 3 is internally provided with the fixed therapeutic head and a therapeutic chair 31, the fixed therapeutic head is positioned at the outer side of the therapeutic chair 31, the therapeutic chair 31 can rotate around a second axis 32, the beam transport device 4 is used for transmitting the proton beams to the rotary therapeutic head or the fixed therapeutic head by the cyclotron 1, the control device is used for receiving a therapeutic plan, determining target operation parameters according to the therapeutic plan, and controlling the cyclotron 1, the beam transport device 4, the rotary therapeutic mechanism 21 and the therapeutic chair 31 according to the target operation parameters so as to carry out proton irradiation on tumor areas of patients, and realize radiotherapy.

Specifically, the patient can be treated in the rotary treatment room 2 or the fixed treatment room 3 according to different treatment plans, the control device determines target operation parameters according to the treatment plans, the target operation parameters can include operation parameters of the cyclotron 1, the beam transport device 4, the rotary treatment mechanism 21 and the treatment chair 31, the control device can be in communication connection with the cyclotron 1, the beam transport device 4, the rotary treatment mechanism 21 and the treatment chair 31, and the control device can operate under the target operation parameters by controlling the cyclotron 1, the beam transport device 4, the rotary treatment mechanism 21 and the treatment chair 31 so as to carry out radiation treatment on the tumor area of the patient, thereby completing the treatment plan.

When a patient is treated in the rotary treatment room 2, the patient can lie on the treatment bed, the control device determines target operation parameters according to a treatment plan, controls the rotary treatment head of the rotary treatment mechanism 21 to revolve around the first axis 22 to a first preset angle according to the target operation parameters, controls the cyclotron 1 to generate and emit proton beam, controls the beam transport device 4 to carry out energy adjustment, focusing and deflection on the proton beam so as to transport the proton beam to the rotary treatment head in the rotary treatment room 2, and carries out proton irradiation on a tumor area of the patient through the rotary treatment head so as to kill tumor cells.

When a patient is treated in the fixed treatment room 3, the patient can lean against and be fixed on the treatment chair 31, the control device determines target operation parameters according to a treatment plan, controls the treatment chair 31 to rotate around the second axis 32 to a second preset angle according to the target operation parameters, controls the cyclotron 1 to generate and emit proton beam current, controls the beam current conveying device 4 to conduct energy adjustment, focusing and deflection on the proton beam current so as to convey the proton beam current to the fixed treatment head in the fixed treatment room 3, and the proton beam current conducts proton irradiation on a tumor area of the patient through the fixed treatment head so as to kill tumor cells, and in addition, the control device can control the treatment chair 31 to change the rotation angle so as to enable the tumor area of the patient to rotate around the second axis 32 relative to the fixed treatment head, thereby realizing 360-degree radiation treatment on the tumor area so as to improve the treatment effect.

It will be appreciated that in the rotating treatment room 2, the rotating treatment head may rotate about the first axis 22 relative to the treatment couch to change the relative angle of the rotating treatment head relative to the tumor region of the patient on the treatment couch, and in the stationary treatment room 3, the treatment chair 31 may rotate about the second axis 32 relative to the stationary treatment head to change the relative angle of the tumor region of the patient on the treatment chair 31, thereby, the rotating treatment room 2 and the stationary treatment room 3 may each implement 360 ° radiation treatment to the tumor region of the patient to increase the application range and the frequency of use of the stationary treatment room 3, and compared with the rotating treatment room 2, the occupation area and the equipment cost of the stationary treatment room 3 are lower, and the proton treatment system 10 of the embodiment of the present invention may reduce the number of the rotating treatment room 2 with the same diagnosis and treatment efficiency, thereby being beneficial to reduce the occupation area of the treatment system and the construction cost and the equipment cost of the treatment system.

It should be noted that, in the rotating treatment room 2, when the rotating treatment head revolves around the first axis 22, the beam transport device 4 needs to change the flow path of the proton beam, due to hysteresis effect, the rotating treatment head is difficult to perform radiation treatment during revolution, that is, the rotating treatment head can perform radiation treatment on the patient after stopping revolution, while in the fixed treatment room 3, the fixed treatment head can be fixed in the fixed treatment room 3 through the fixed support, during treatment, the position of the fixed treatment head in the fixed treatment room 3 is unchanged, and the beam transport device 4 does not need to change the flow path of the proton beam, so that the fixed treatment head can maintain radiation treatment on the patient during rotation of the treatment chair 31 around the second axis 32, so as to realize the function of arc irradiation, thereby reducing radiation dose accumulation of the non-tumor area of the patient, reducing damage of the proton beam to surrounding tissues outside the tumor area during treatment, and improving the treatment effect of the proton treatment system 10.

According to the proton treatment system 10 of the embodiment of the invention, the rotary treatment chamber 2 is internally provided with the rotary treatment head and the treatment bed, the rotary treatment head can revolve around the first axis 22, the fixed treatment chamber 3 is internally provided with the fixed treatment head and the treatment chair 31, the treatment chair 31 can rotate around the second axis 32, the rotary treatment chamber 2 and the fixed treatment chamber 3 can realize 360-degree radiotherapy on the tumor area of a patient, so that the application range of the fixed treatment chamber 3 is improved, the number of the rotary treatment chambers 2 in the proton treatment system 10 is reduced, the occupied area of the proton treatment system 10 is reduced, the construction cost and the equipment cost of the treatment system are reduced, the popularization and the use of the proton treatment system 10 are facilitated, and meanwhile, the fixed treatment chamber 3 can realize the function of arc irradiation so as to improve the treatment effect of the proton treatment system 10.

In some embodiments of the present invention, referring to fig. 1, the first axis 22 is perpendicular to the second axis 32, so as to enable the patient to perform treatment in a more comfortable posture (e.g., lying on a treatment couch along the first axis 22 or resting on the treatment chair 31 along the second axis 32) depending on the location of the tumor region of the patient, improving the treatment experience of the patient.

It will be appreciated that when the patient is in the treatment room 3, the posture of the patient on the treatment chair 31 may be standing, squatting, sitting, etc., and the posture of the patient on the treatment chair 31 may be adjusted according to the position of the tumor to ensure that the tumor area is within the field range of the fixed treatment head, and at the same time, the angles of the cushion and the backrest on the treatment chair 31 may be adaptively adjusted according to the posture of the patient to ensure that the treatment chair 31 supports and fixes the patient.

In some embodiments of the present invention, referring to fig. 1, the second axis 32 is perpendicular to the horizontal plane (the second axis 32 is perpendicular to the paper surface direction in fig. 1), that is, the second axis 32 is parallel to the gravity direction, and when the treatment chair 31 rotates around the second axis 32, the support and fixation of the treatment chair 31 to the patient in the gravity direction will not change, so as to ensure the support and fixation effect of the treatment chair 31 to the patient, and avoid the influence on the treatment effect caused by the change of the position of the patient relative to the treatment chair 31.

Meanwhile, the first axis 22 is perpendicular to the second axis 32, that is, the first axis 22 is parallel to the horizontal plane, when the rotary treatment head revolves around the first axis 22 to treat the tumor area of the patient by 360 degrees, the bed surface of the treatment bed for bearing the patient can be kept parallel to the horizontal plane, so that the supporting and fixing effects of the treatment bed on the patient are ensured, and the influence on the treatment effect caused by the position change of the patient relative to the treatment bed is avoided.

In some embodiments of the present invention, referring to fig. 1, the treatment couch 31 is further movable along the second axis 32 to adjust the position of the patient relative to the stationary treatment head such that the tumor region of the patient is at the same height as the stationary treatment head in the second direction, ensuring that the tumor region of the patient is within the field of the stationary treatment head.

In some embodiments of the present invention, the treatment chair 31 is provided with a rotation driving mechanism for driving the treatment chair 31 to rotate around the second axis 32, and a lifting driving mechanism for driving the treatment chair 31 to move along the second axis 32, wherein the rotation driving mechanism may include a plurality of first driving wheels rotatably mounted on the base of the treatment chair 31, and the control device controls the plurality of first driving wheels to rotate so as to enable the treatment chair 31 to rotate around the second axis 32. The lifting driving mechanism may include hydraulic telescopic rods corresponding to the first driving wheels one by one, the hydraulic telescopic rods may be installed between the first driving wheels and the base of the treatment chair 31, and the control device may control the telescopic rods to move the treatment chair 31 along the second axis 32.

In some embodiments of the present invention, proton therapy system 10 further comprises: the imaging device is used for acquiring tumor tissue images of a patient and sending the tumor tissue images to the planning device, and the planning device is used for generating a corresponding treatment plan according to the tumor tissue images and sending the treatment plan to the control device so as to reduce the labor intensity of doctors and realize intelligent treatment.

Specifically, the imaging device can scan the patient through the radiation generator thereof to acquire the tumor tissue image of the patient, the imaging device is in communication connection with the planning device, the imaging device sends the acquired tumor tissue image of the patient to the planning device, the planning device can generate a corresponding treatment plan by carrying out data processing on the tumor tissue image, the planning device is in communication connection with the control device, the planning device can send the treatment plan to the control device, thereby the control device determines target operation parameters according to the treatment plan and controls the cyclotron 1, the beam transport device 4, the rotary treatment mechanism 21 and the treatment chair 31 according to the target operation parameters so as to carry out radiation treatment on the tumor area of the patient.

Alternatively, the imaging device may be a CBCT (Cone beam CT) imaging device, which may acquire three-dimensional tumor tissue images after high definition processing, so as to accurately locate the tumor tissue in the patient. The rotary treatment room 2 and the fixed treatment room 3 can be provided with imaging devices so as to improve the diagnosis and treatment efficiency of the treatment system.

The treatment plan database may be stored in the planning apparatus, and the planning apparatus may match the tumor tissue image with data in the treatment plan database to obtain a treatment plan corresponding to the tumor tissue image in the treatment plan data. In addition, before the treatment plan is sent to the control device, the planning device needs a doctor to review the treatment plan, and after the doctor reviews or modifies the treatment plan, the planning device sends the treatment plan after passing or modifying to the control device so as to avoid misjudgment of the planning device, wherein the planning device is provided with a display end and an input end, the display end can be used for displaying tumor tissue images and the treatment plan, the doctor can use the input end to review the passing or modify the treatment plan, the display end can be a display, and the input end can be a mouse and/or a keyboard.

In some embodiments of the present invention, referring to fig. 1, the beam transport device 4 includes a transport line 41, a plurality of secondary magnets 42 and a plurality of quaternary magnets 43, the transport line 41 may transport proton beams, the secondary magnets 42 are disposed at bends of the transport line 41, the transport line 41 has a plurality of bends, each bend is provided with a secondary magnet 42, the secondary magnets 42 may be used to control a deflection angle of the proton beams so as to deflect trajectories of the proton beams along with the bends of the transport line 41, to prevent the proton beams from striking an inner wall of the transport line 41, the plurality of quaternary magnets 43 are disposed at intervals along an extending direction of the transport line 41, and the quaternary magnets 43 may adjust beam centers to collect the proton beams into one line, to prevent the proton beams from being dispersed.

In some embodiments of the present invention, the number of stationary treatment rooms 3 is one or more, and when the requirement of the medical institution for diagnosis is low, the number of stationary treatment rooms 3 may be one to reduce the occupied space and cost of the proton treatment system 10, and when the requirement of the medical institution for diagnosis is high, the number of stationary treatment rooms 3 may be plural to improve the diagnosis efficiency of the proton treatment system 10.

It will be appreciated that the treatment system may have only one rotating treatment room 2 and one stationary treatment room 3 arranged, so that the treatment system may treat different types of tumors, and for medical institutions with higher requirements for diagnosis, the number of stationary treatment rooms 3 may be in positive correlation with the number of patients treated per unit time, so as to reduce the construction of the rotating treatment room 2, the floor space of the stationary treatment room 3 is small (the floor space of the stationary treatment room 3 is about one third of the rotating treatment room 2), and the manufacturing cost of the stationary treatment room 3 is low, which will greatly reduce the equipment production and operation costs, and improve the treatment efficiency.

In some embodiments of the present invention, the cyclotron 1 is configured as a superconducting cyclotron, and the electromagnetic field of the superconducting cyclotron 1 is strong and stable, so that a high-energy, pure and stable proton beam can be generated, and meanwhile, the energy consumption and the volume of the superconducting cyclotron are smaller, so that the energy consumption and the occupied space of the cyclotron 1 are reduced, and the occupied building area of the proton treatment system 10 is reduced, wherein the superconducting cyclotron can be provided with a cooling system, so that the magnet of the superconducting cyclotron works at a low temperature (for example, below-260 ℃) and reaches a superconducting state.

In some embodiments of the present invention, the mechanism of the rotary therapeutic chamber 2 further includes a rotary frame and a first driving mechanism, where the first driving mechanism is used to drive the rotary frame to rotate around the first axis 22, and the rotary therapeutic head is fixedly arranged on the rotary frame, and when the rotary frame rotates around the first axis 22, the rotary frame drives the rotary therapeutic head to revolve around the first axis 22.

In some embodiments of the present invention, the rotating frame is in a cylindrical structure, the rotating shaft treatment head is fixed on the inner wall of the rotating frame along the radial direction of the rotating frame, the treatment table is located on the radial inner side of the rotating shaft treatment head, the first driving mechanism may include a plurality of second driving wheels arranged at intervals along the circumferential direction of the rotating frame, and the control device may control the second driving wheels to rotate so as to drive the rotating frame to rotate around the first axis 22, so that revolution of the rotating treatment head around the first axis 22 is realized.

In other embodiments of the invention, the first drive mechanism includes a motor and a reducer through which the motor drives the rotating gantry to spin about the first axis 22.

In some embodiments of the present invention, a mechanical arm is further disposed in the rotary treatment room 2, the treatment table is mounted on the mechanical arm, and the control device can control the mechanical arm to drive the treatment table to move, so that the tumor area of the patient on the treatment table is within the field range of the rotary treatment head, and accurate treatment of the tumor area is achieved, and optionally, the mechanical arm is a six-degree-of-freedom mechanical arm.

In some embodiments of the invention, the control device also verifies the cyclotron 1, the beam transport device 4, the rotational treatment mechanism 21 and the treatment chair 31 prior to treatment of the patient and in accordance with the target operating parameters to pre-confirm the irradiation position of the rotational treatment head or the stationary treatment head, verifying the feasibility of the treatment plan prior to treatment of the patient.

In some embodiments of the present invention, the first axis 22 is parallel to the beam-out direction of the cyclotron 1, and the stationary treatment room 3 is disposed between the rotating treatment room 2 and the cyclotron 1 in the direction of the first axis 22 to enhance the space utilization of the proton treatment system 10. The fixed treatment head can be arranged on the ground of the fixed treatment room 3 through a bracket, the fixed treatment head can be a horizontal pen-shaped beam treatment head, the fixed treatment head can output proton beams in the horizontal direction, the proton beams output by the fixed treatment head have an isocenter (beam reference point), and the second axis 32 is arranged on the isocenter in a penetrating way so as to ensure the treatment effect of the proton beams on the patient on the treatment chair 31.

In some embodiments of the present invention, both the cyclotron 1 and the rotating gantry may be mounted in corresponding pits, so that the exit opening of the cyclotron 1, the transport line 41, the stationary treatment head and the first axis 22 may be located at the same height, reducing the difficulty of arranging the beam transport device 4.

According to the proton treatment system 10 provided by the embodiment of the invention, the rotary treatment room 2 and the fixed treatment room 3 can carry out 360-degree radiotherapy on patients, the adaptability is wider, the innovation is good, the practicability is strong, the proton treatment system 10 can effectively solve the defect of single radioactive treatment type of the current fixed treatment room 3, and for medical institutions with higher diagnosis and treatment requirements, the diagnosis and treatment efficiency can be improved by increasing the number of the fixed treatment rooms 3, so that the arrangement of the rotary treatment room 2 is reduced, and the construction cost, the equipment operation and maintenance cost and the occupied space of the proton treatment system 10 are reduced.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. A proton therapy system, comprising:

-a cyclotron (1), said cyclotron (1) being adapted to generate a proton beam;

a rotary treatment room (2), wherein a rotary treatment mechanism (21) and a treatment bed are arranged in the rotary treatment room (2), the rotary treatment mechanism (21) comprises a rotary treatment head, the rotary treatment head is positioned at the outer side of the treatment bed, and the rotary treatment head can revolve around a first axis (22);

a fixed treatment room (3), wherein a fixed treatment head and a treatment chair (31) are arranged in the fixed treatment room (3), the fixed treatment head is positioned at the outer side of the treatment chair (31), and the treatment chair (31) can rotate around a second axis (32);

a beam transport device (4), the beam transport device (4) being configured to transport the proton beam from the cyclotron (1) to the rotating or stationary treatment head;

and the control device is used for receiving a treatment plan, determining target operation parameters according to the treatment plan and controlling the cyclotron (1), the beam transport device (4), the rotary treatment mechanism (21) and the treatment chair (31) according to the target operation parameters.

2. Proton therapy system according to claim 1, characterized in that the first axis (22) is perpendicular to the second axis (32).

3. Proton therapy system according to claim 2, characterized in that the second axis (32) is perpendicular to the horizontal plane.

4. A proton therapy system according to any one of claims 1-3, wherein the therapy chair (31) is further movable along a second axis (32).

5. The proton therapy system of claim 1, wherein the proton therapy system further comprises: the imaging device is used for acquiring tumor tissue images of a patient and sending the tumor tissue images to the planning device, and the planning device is used for generating the corresponding treatment plan according to the tumor tissue images and sending the treatment plan to the control device.

6. Proton therapy system according to claim 1, characterized in that the beam transport device (4) comprises a transport line (41), a plurality of secondary magnets (42) and a plurality of quaternary magnets (43), the secondary magnets (42) being arranged at bends of the transport line (41), the plurality of quaternary magnets (43) being arranged at intervals along the extension direction of the transport line (41).

7. Proton therapy system according to claim 1, characterized in that the number of stationary treatment rooms (3) is one or more.

8. Proton therapy system according to claim 1, characterized in that the cyclotron (1) is configured as a superconducting cyclotron.

9. Proton therapy system according to claim 1, characterized in that the rotary therapy mechanism (21) further comprises a rotary gantry and a first drive mechanism for driving the rotary gantry to spin about a first axis (22), the rotary therapy head being fixedly arranged to the rotary gantry.

10. Proton therapy system according to claim 1, characterized in that a robotic arm is also provided in the rotating treatment room (2), to which the treatment couch is mounted.