CN110685474A - Linear accelerator machine room - Google Patents

Linear accelerator machine room Download PDF

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Publication number
CN110685474A
CN110685474A CN201910948455.9A CN201910948455A CN110685474A CN 110685474 A CN110685474 A CN 110685474A CN 201910948455 A CN201910948455 A CN 201910948455A CN 110685474 A CN110685474 A CN 110685474A
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CN
China
Prior art keywords
wall
labyrinth
linear accelerator
accelerator
door
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CN201910948455.9A
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Chinese (zh)
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CN110685474B (en
Inventor
李扬
姚毅
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SUZHOU LINATECH MEDICAL TECHNOLOGY Co Ltd
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SUZHOU LINATECH MEDICAL TECHNOLOGY Co Ltd
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Priority to CN201910948455.9A priority Critical patent/CN110685474B/en
Publication of CN110685474A publication Critical patent/CN110685474A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/18—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against harmful radiation
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B2001/925—Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

The invention provides a linear accelerator machine room and relates to the technical field of buildings. This computer lab includes the wall body, the labyrinth, linear accelerator places district and computer lab removal shield door, the wall body includes the labyrinth outer wall, labyrinth inner wall, the side shield wall, main shield wall and the secondary shield wall that links to each other with main shield wall, computer lab removal shield door is located the computer lab entrance, labyrinth intercommunication accelerator places the entry of district and computer lab, the accelerator is placed the district and is located by the labyrinth inner wall, the side shield wall, the region that main shield wall and secondary shield wall enclose, one side that labyrinth inner wall department is close to computer lab shield door is equipped with labyrinth removal shield door, when needing transportation accelerator business turn over computer lab, labyrinth removal shield door is opened, otherwise, labyrinth shield door is in closed condition. Through set up mobilizable shield door in labyrinth interior wall department, the transportation can be accomplished through this door when the accelerator passes in and out the computer lab, only needs small-angle adjustment accelerator just can realize moving in of accelerator and shift out, has reduced the quick-witted degree of difficulty that moves of accelerator.

Description

Linear accelerator machine room
Technical Field
The invention relates to the technical field of buildings, in particular to a linear accelerator machine room.
Background
The linear accelerator is a large medical device which accelerates electrons by utilizing a microwave electric field, generates high-energy rays, is used for remote external irradiation radiotherapy activities in human medical practice, and is widely applied to the treatment of various tumors, particularly the treatment of deep tumors. The linear accelerator may produce a beam of X-radiation and/or electron radiation. For example, a 6MV linac refers to a linac that produces X-radiation and/or electron radiation beams with an energy of 6 MV.
The shielding design of the linear accelerator machine room must meet the national occupational health standard of the people's republic of China-radiation shielding specification of radiotherapy machine rooms-part 2: the electron linear accelerator radiotherapy machine room is standard, and the effective area in the machine room needs to be more than 45 square meters. The existing machine room is designed according to the shown case in the radiation shielding specification of the radiotherapy machine room, national standards for occupational health of the people's republic of China.
However, the total weight of the medical accelerator is large (for example, about 8 tons), and the accelerator needs to turn a 180-degree bend to pass through the inner wall of the labyrinth when entering or exiting the existing machine room, so that the moving difficulty is large and the efficiency is low. In addition, the existing accelerator machine room is wide in road and large in area, so that the occupied area of the whole layout of the accelerator machine room is large.
Disclosure of Invention
The invention aims to provide a machine room of a linear accelerator to solve the problem of high difficulty in moving the linear accelerator, aiming at overcoming the defects in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a linear accelerator machine room which comprises a wall body, a labyrinth, a linear accelerator placing area and a machine room moving shielding door, wherein the wall body comprises a labyrinth outer wall, a labyrinth inner wall, side shielding walls, a main shielding wall and a secondary shielding wall connected with the main shielding wall, the side shielding walls comprise a first side shielding wall adjacent to the machine room moving shielding door and a second side shielding wall opposite to the first side shielding wall,
the machine room moving shielding door is positioned at the entrance of the machine room, the labyrinth is communicated with the linear accelerator placing area and the entrance of the machine room, the labyrinth separates the outer wall of the labyrinth from the inner wall of the labyrinth, the linear accelerator placing area is positioned in the area enclosed by the inner wall of the labyrinth, the side shielding walls, the main shielding wall and the secondary shielding wall,
one side that labyrinth inner wall department is close to computer lab mobile shield door is provided with labyrinth mobile shield door, when needs transportation linear accelerator business turn over computer lab, labyrinth mobile shield door is opened, is used as the transfer passage, otherwise, labyrinth mobile shield door is in the closed condition, is used as the shielding wall.
Optionally, the labyrinth has a width of 800 mm.
Optionally, the width of the door opening of the machine room mobile shield door is 2.4m, and the width of the door opening of the labyrinth mobile shield door is 2.4 m.
Alternatively, the labyrinth inner wall has a width of 3.44m and a thickness of 1.4 m.
Optionally, the labyrinth outer wall has a width of 7.94m and a thickness of 0.99 m.
Optionally, the labyrinth inner wall is 0.98m away from the second side shielding wall.
Optionally, the thickness of the first side shielding wall is 1.12m, and the width of the first side shielding wall is 8.07 m; the thickness of the second side shield wall was 1.12m, and the width of the second side shield wall was 11.46 m.
Alternatively, the thickness of the main shield wall is 2.12m, and the width of the main shield wall is 3.44 m.
Alternatively, the thickness of the sub-shield wall is 1.05m, and the width of the sub-shield wall is 3.44 m.
Optionally, the plurality of linear accelerator rooms are arranged in the following manner: and two adjacent linear accelerator rooms in the plurality of linear accelerator rooms share at least one part of wall.
The beneficial effects of the invention include:
the linear accelerator room provided by the invention comprises a wall body, a labyrinth, a linear accelerator placing area and a room moving shielding door, wherein the wall body comprises a labyrinth outer wall, a labyrinth inner wall, a side shielding wall, a main shielding wall and a secondary shielding wall connected with the main shielding wall, the side shielding wall comprises a first side shielding wall adjacent to the room moving shielding door and a second side shielding wall opposite to the first side shielding wall, the room moving shielding door is positioned at the inlet of the room, the labyrinth is communicated with the linear accelerator placing area and the inlet of the room, the labyrinth separates the labyrinth outer wall from the labyrinth inner wall, the linear accelerator placing area is positioned in an area enclosed by the labyrinth inner wall, the side shielding wall, the main shielding wall and the secondary shielding wall, the labyrinth moving shielding door is arranged at one side of the inner wall of the room close to the moving labyrinth, and when the linear accelerator needs to be transported, the labyrinth moving shielding door is opened, and the shielding door is used as a transportation channel, otherwise, the labyrinth moving shielding door is in a closed state and is used as a shielding wall. Through being equipped with mobilizable shield door in the labyrinth interior wall department of computer lab, can accomplish the equipment transportation through this door when accelerator equipment passes in and out the computer lab, the circuit is short and is releived, only needs the small-angle regulation accelerator just can realize convenient the shift-in of accelerator and shifts out, has reduced the quick-witted degree of difficulty that moves of accelerator, improves accelerator manufacture factory test efficiency, has reduced manufacturing cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 shows a schematic plan structure of a conventional linear accelerator room;
fig. 2 is a schematic plan structure diagram of a linear accelerator room according to an embodiment of the present invention;
fig. 3A and 3B are schematic diagrams respectively illustrating effective areas of a conventional linear accelerator room and a linear accelerator room provided by an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating an arrangement structure of a linear accelerator room according to an embodiment of the present invention;
fig. 5A and 5B are schematic diagrams respectively illustrating a conventional linear accelerator room and a machine moving path of the linear accelerator room provided by the embodiment of the present invention.
Icon: 101-labyrinth; 102-a machine room movable shielding door; 103-labyrinth outer wall; 104-labyrinth inner wall; 105-main shield walls; 106-secondary shielding wall; 1071 — first side shield wall; 1072 — second side shield walls; 108-a linear accelerator; 109-labyrinth moving screen door.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a schematic plan structure of an existing linear accelerator room. The total weight of the medical accelerator is large (for example, about 8 tons), and as shown in fig. 1, the accelerator needs to turn a 180-degree bend to pass through the inner wall of the labyrinth when entering and exiting the existing machine room, so that the machine moving difficulty is large and the efficiency is low. In addition, in order to facilitate the medical accelerator to pass through the labyrinth, the existing accelerator room labyrinth is wide and large in area, for example, as shown in fig. 1, for a 6MV linear accelerator with a width of 2.2m, the labyrinth width of the existing accelerator room needs to reach 2.4m, which results in large floor space occupied by the overall layout of the accelerator room. It should be noted that the dimensions indicated in all the drawings of the present invention are expressed in units of millimeters (mm).
In order to solve the problem of difficulty in moving the accelerator, the invention provides a machine room of the linear accelerator, and fig. 2 shows a schematic plan structure diagram of the machine room of the linear accelerator provided by the embodiment of the invention. As shown in fig. 2, the linear accelerator room according to the embodiment of the present invention includes a wall, a labyrinth 101, a linear accelerator placing area, and a room moving screen door 102, where the wall includes a labyrinth outer wall 103, a labyrinth inner wall 104, side screen walls including a first side screen wall 1071 adjacent to the room moving screen door 102 and a second side screen wall 1072 opposite to the first side screen wall 1071, a main screen wall 105, and a secondary screen wall 106 connected to the main screen wall 105. The linac placement area is used for placing the linac 108. The linac 108 may be, for example, a 6MV linac.
The machine room moving shield door 102 is located at the entrance of the machine room, the labyrinth 101 connects the linear accelerator placing area with the entrance of the machine room, and the labyrinth 101 separates the labyrinth outer wall 103 from the labyrinth inner wall 104, the linear accelerator placing area is located in the area enclosed by the labyrinth inner wall 104, the side shield walls (including the first side shield wall 1071 and the second side shield wall 1072), the main shield wall 105 and the secondary shield wall 106,
one side of the labyrinth inner wall 104 close to the machine room moving screen door 102 is provided with a labyrinth moving screen door 109, when the transportation of the linear accelerator 108 into and out of the machine room is needed, the labyrinth moving screen door 109 is opened to be used as a transportation channel, otherwise, the labyrinth moving screen door 109 is in a closed state to be used as a screen wall. That is, when there is no need to transport the linear accelerator 108 into and out of the machine room, the maze movement screen door 109 is closed. When the labyrinth moving shielding door 109 is in a closed state, personnel can enter and exit the machine room through the labyrinth 101.
The machine room moving shield door 102 and the labyrinth moving shield door 109 are used for shielding rays at a passage opening of the machine room, and in the embodiment of the invention, both the machine room moving shield door 102 and the labyrinth moving shield door 109 can be made of lead.
In the machine room provided by the embodiment of the present invention, the labyrinth outer wall 103, the labyrinth inner wall 104, the side shielding walls (including the first side shielding wall 1071 and the second side shielding wall 1072), the main shielding wall 105, and the secondary shielding wall 106 connected to the main shielding wall 105 have the concrete wall thickness according to part 2 of the radiation shielding specification of the radiotherapy machine room in the national occupational health standards of the people's republic of china: and (5) setting the standard of the electron linear accelerator radiotherapy machine room.
Therefore, the movable shielding door is arranged on the labyrinth inner wall of the machine room, the shielding door can be opened when accelerator equipment enters and exits the machine room, equipment transportation is completed through the shielding door, the circuit is short and is slow, the accelerator can be conveniently moved in and out only by adjusting the accelerator at a small angle, the moving difficulty of the accelerator is reduced, the testing efficiency of an accelerator manufacturer is improved, and the production cost is reduced. When the accelerator equipment does not enter or exit the machine room, the shielding door can be closed, the safety of the machine room is ensured, and personnel can enter or exit the machine room through a lost path.
The dimensions in the drawings of the invention are illustrated by taking a 6MV linear accelerator room as an example, and it should be understood that the room in the embodiments of the invention is also applicable to accelerator room designs of other energy levels. For example, as shown in fig. 2, for a 6MV linear accelerator room, the width of the door opening of the room moving screen door 102 may be 2.4m, and the width of the door opening of the labyrinth moving screen door 109 may be 2.4m, so as to facilitate the passage of the 6MV linear accelerator with the width of 2.2m, when the accelerator equipment needs to enter and exit, the labyrinth moving screen door 109 is opened to serve as a transportation channel, and the rest of the time is in a closed state to serve as a screen wall. Alternatively, the labyrinth inner wall has a width of 3.44m and a thickness of 1.4 m. The labyrinth outer wall has a width of 7.94m and a thickness of 0.99 m. The distance between the labyrinth inner wall and the second side shielding wall is 0.98 m. The thickness of the first side shielding wall is 1.12m, and the width of the first side shielding wall is 8.07 m; the thickness of the second side shield wall was 1.12m, and the width of the second side shield wall was 11.46 m. The thickness of the main shield wall was 2.12m, and the width of the main shield wall was 3.44 m. The thickness of the sub-shield wall was 1.05m, and the width of the sub-shield wall was 3.44 m.
In the machine room provided by the embodiment of the invention, the width of the labyrinth 101 can be 800mm, for example, and the labyrinth is mainly used as a personnel passage. Compared with the existing machine room in fig. 1, the labyrinth width is greatly reduced.
Fig. 3A and 3B are schematic diagrams respectively illustrating effective areas of an existing linear accelerator room and a linear accelerator room provided by an embodiment of the present invention. The effective areas of the existing machine rooms and the machine rooms in the embodiment of the invention are set to be 45.5 square meters, and according to part 2 of the radiation shielding specification of the radiotherapy machine room in the national standards for occupational health of the people's republic of China: the standard of the electronic linear accelerator radiotherapy machine room, the existing machine room (figure 3A) designed to meet the standard of the 6MV linear accelerator is compared with the machine room (figure 3B) of the embodiment of the invention, the building area of the existing machine room is 9.06 multiplied by 13.06 approximately equal to 118.3 square meters, the building area of the machine room of the embodiment of the invention is 9.06 multiplied by 11.46 approximately equal to 103.8 square meters, and the building area of the machine room of the embodiment of the invention is 14.5 square meters smaller than that of the existing machine room.
Therefore, the machine room has the advantage of large number arrangement of the machine rooms in the area limited area. Compared with the existing machine room, the machine room provided by the embodiment of the invention reduces the floor area of the accelerator machine room, thereby reducing the construction cost.
In the case where a plurality of linac rooms need to be provided, the plurality of linac rooms are arranged in the following manner: and two adjacent linear accelerator rooms in the plurality of linear accelerator rooms share at least one part of wall. Fig. 4 shows a schematic layout structure of a linear accelerator room according to an embodiment of the present invention. For example, in fig. 4, two machine rooms adjacent to each other on the left and right sides share the entire thickness of the secondary shielding wall and a part of the thickness of the main shielding wall, and two machine rooms adjacent to each other on the top and bottom sides share the entire thickness of the side shielding wall. In fig. 4, an arrangement of 4 machine rooms is shown, it being understood that fewer or more machine rooms may be arranged in the manner shown in fig. 4. Because the floor area of the machine room provided by the embodiment of the invention is smaller than that of the existing machine room, more machine rooms in the embodiment of the invention can be arranged compared with the existing machine room under the condition of fixing the building area.
Fig. 5A and 5B are schematic diagrams respectively illustrating a conventional linear accelerator room and a machine moving path of the linear accelerator room provided by the embodiment of the present invention. The total weight of the 6MV linear accelerator is about 8 tons, the accelerator machine room cannot enter and exit transportation lifting equipment such as a forklift due to space limitation, and transportation of the accelerator in the machine room can only be moved by manpower with the help of simple tools. When the accelerator enters and exits the existing machine room, the whole machine needs to be continuously adjusted and rotated by 180 degrees to bypass the inner wall of the labyrinth, as shown in fig. 5A, which greatly increases the difficulty of the machine moving process, and in addition, for the hospital machine room with few machine moving, the too wide labyrinth is also the waste of space. For a machine room needing to frequently enter and exit an accelerator, such as a test machine room of an accelerator manufacturer, one test is finished in 2-3 days, the production efficiency is greatly reduced in a difficult transportation environment, and the production cost is increased. The machine room labyrinth inner wall 104 provided by the embodiment of the invention is provided with the movable shielding door (namely the labyrinth movable shielding door 109), the labyrinth movable shielding door 109 is opened as a channel when entering and exiting the equipment, and the shielding rays are closed in the rest of time, so that the machine room labyrinth inner wall is flexible and convenient. The accelerator equipment enters and exits through the door to complete equipment entrance and exit, the line is short and is gentle, and the accelerator can be conveniently moved in and out only by adjusting the accelerator by a small angle, as shown in fig. 5B.
In conclusion, the machine room provided by the embodiment of the invention can reduce the difficulty of moving the machine in a hospital, facilitate the accelerator and personnel to get in and out of the machine room of the accelerator, improve the efficiency of moving the machine, improve the testing efficiency of accelerator manufacturers and reduce the production cost. In addition, the equipment access passage and the personnel access passage are separated, so that the floor area of the whole machine room is reduced.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims (10)

1. A linear accelerator machine room is characterized by comprising a wall body, a labyrinth, a linear accelerator placing area and a machine room moving shielding door, wherein the wall body comprises a labyrinth outer wall, a labyrinth inner wall, side shielding walls, a main shielding wall and a secondary shielding wall connected with the main shielding wall, the side shielding walls comprise a first side shielding wall adjacent to the machine room moving shielding door and a second side shielding wall opposite to the first side shielding wall,
the machine room moving shielding door is positioned at the entrance of the machine room, the labyrinth is communicated with the linear accelerator placing area and the entrance of the machine room, the labyrinth separates the outer wall of the labyrinth from the inner wall of the labyrinth, the linear accelerator placing area is positioned in the area enclosed by the inner wall of the labyrinth, the side shielding wall, the main shielding wall and the secondary shielding wall,
the labyrinth inner wall department is close to one side of computer lab mobile shield door is provided with labyrinth mobile shield door, when needs transport linear accelerator business turn over computer lab, labyrinth mobile shield door is opened, is used as the transfer passage, otherwise, labyrinth mobile shield door is in the closed condition, is used as the shield wall.
2. The linear accelerator machine room according to claim 1, characterized in that the labyrinth has a width of 800 mm.
3. The linear accelerator room of claim 1, wherein the room moving shield door has a door opening width of 2.4m and the labyrinth moving shield door has a door opening width of 2.4 m.
4. The linear accelerator machine room according to claim 1, characterized in that the labyrinth inner wall has a width of 3.44m and a thickness of 1.4 m.
5. The linear accelerator room of claim 4, wherein the labyrinth outer wall has a width of 7.94m and a thickness of 0.99 m.
6. The linear accelerator room of claim 5, wherein the labyrinth inner wall is 0.98m from the second side shield wall.
7. The linear accelerator room of claim 1, wherein the thickness of the first side shielding wall is 1.12m, and the width of the first side shielding wall is 8.07 m; the thickness of the second side shield wall is 1.12m, and the width of the second side shield wall is 11.46 m.
8. The linear accelerator room according to claim 7, wherein the thickness of the main shielding wall is 2.12m, and the width of the main shielding wall is 3.44 m.
9. The linear accelerator room of claim 8, wherein the thickness of the secondary shielding wall is 1.05m, and the width of the secondary shielding wall is 3.44 m.
10. The linac room of any of claims 1 to 9, characterized in that the plurality of linac rooms are arranged in the following manner: and two adjacent linear accelerator rooms in the plurality of linear accelerator rooms share at least one part of wall.
CN201910948455.9A 2019-10-08 2019-10-08 Linear accelerator machine room Active CN110685474B (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN112227771A (en) * 2020-09-28 2021-01-15 中国辐射防护研究院 Tumor radiotherapy center
CN113090082A (en) * 2021-03-30 2021-07-09 贵州航天建设工程有限公司 Radiographic inspection laboratory structure and construction method
CN113202334A (en) * 2021-05-31 2021-08-03 迈胜医疗设备有限公司 Machine room for accelerator production debugging

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112227771A (en) * 2020-09-28 2021-01-15 中国辐射防护研究院 Tumor radiotherapy center
CN113090082A (en) * 2021-03-30 2021-07-09 贵州航天建设工程有限公司 Radiographic inspection laboratory structure and construction method
CN113202334A (en) * 2021-05-31 2021-08-03 迈胜医疗设备有限公司 Machine room for accelerator production debugging

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