CN108686309A - A kind of New Image in proton/heavy ion medical apparatus system guides system - Google Patents

A kind of New Image in proton/heavy ion medical apparatus system guides system Download PDF

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Publication number
CN108686309A
CN108686309A CN201810701419.8A CN201810701419A CN108686309A CN 108686309 A CN108686309 A CN 108686309A CN 201810701419 A CN201810701419 A CN 201810701419A CN 108686309 A CN108686309 A CN 108686309A
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imaging system
proton
pedestal
rotary
frame
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CN108686309B (en
Inventor
冯汉升
李实�
蒋茂余
杨洋
宋云涛
姚智鑫
许继伟
汪涛
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Hefei Zhongke Ion Medical Technology Equipment Co Ltd
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Hefei Zhongke Ion Medical Technology Equipment Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/103Treatment planning systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048Monitoring, verifying, controlling systems and methods
    • A61N5/1049Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048Monitoring, verifying, controlling systems and methods
    • A61N5/1049Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A61N2005/105Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using a laser alignment system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048Monitoring, verifying, controlling systems and methods
    • A61N5/1049Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A61N2005/1061Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using an x-ray imaging system having a separate imaging source
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1085X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
    • A61N2005/1087Ions; Protons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1092Details
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/10Nuclear fusion reactors

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

The present invention discloses a kind of New Image guiding system in proton/heavy ion medical apparatus system, including support system, realizes support imaging system and rotary system, while realizing the reciprocating motion of imaging system;Imaging system realizes that image guides positioning function, includes the major function of CBCT image guidance systems and two-dimensional imaging system, while having laser positioning function;Rotary system realizes that imaging system is at the uniform velocity rotated around patient ± 180 °.New Image guiding system provided by the invention can replace a large amount of electric power of large rotating machine frame and its rotary course demand in traditional proton/heavy ion Medical Devices, so that therapeutic room is miniaturized, make treatment end equipment lightness;Patient tumors position can be accurately positioned, have both two-dimensional imaging system function simultaneously, according to tumor type and position, it can switch at any time using CBCT image guidance systems or two-dimensional imaging system, it will be in the CBCT image guidance systems and the two-dimensional imaging system integration to set of system in past proton therapy equipment.

Description

A kind of New Image in proton/heavy ion medical apparatus system guides system
Technical field
The invention belongs to large-scale proton/heavy ion field of medical device, are related to a kind of image guidance system, specially a kind of System, the invention is guided to solve traditional proton/heavy particle therapy for the New Image in proton/heavy ion medical apparatus system End equipment type is more, occupied space is big, using resource mostly and complex structure and other problems;Novel system possesses currently advanced CBCT Image guidance system function, while two-dimensional imaging positioning function is had both, so that treatment end is formed single type, in same construction scope And under the resources supplIes such as fund, therapeutic room and New Image guiding system can be more designed.
Background technology
Large-scale medical proton therapy equipment has tended to be ripe in the world at present, and the country has also begun to use, and treats end Play an important roll in tumor therapeutic procedure.Treat the ancillary equipment at end --- image guidance system (such as CBCT images guiding system System and two-dimensional imaging system), the positioning function of proton medical therapy process focal zone is carry, not due to imaging device type One/function is different, and just the medical proton therapy equipment of demand needs to be equipped with no less than two kinds of therapeutic room and image guidance system, mesh Preceding image guidance system occupied space is big, more using resource, while the image guidance system of rotation therapy room needs same treatment head Rotated together by cartridge type rotary frame, in this context, the present invention provide one kind have both CBCT image guidance systems and The novel system of two-dimensional imaging system function makes the image guidance system unification for the treatment of end, replaces traditional cartridge type rotary frame.
Invention content
The purpose of the present invention is to provide a kind of New Images in proton/heavy ion medical apparatus system to guide system System, has both the novel system of CBCT image guidance systems and two-dimensional imaging system function, keeps treatment end image guidance system single Change, replaces traditional cartridge type rotary frame.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of New Image in proton/heavy ion medical apparatus system guides system, including support system, imaging System and rotary system;Motor, leading screw, line rail are installed on the pedestal inclined-plane of the support system, collectively constitute a set of straight line Motion, for driving imaging system to move up and down along pedestal inclined-plane;Fixed pulley is installed at the top of the pedestal, on fixed pulley Lay winding wire ropes;Steel wire rope one end fixed imaging system, the other end install counterweight;
The frame of the imaging system is mounted on the inclined-plane of pedestal;Rotary system, rotary system are installed on the frame For installing and driving, X penetrates source and flat panel detector carries out ± 180 ° and back and forth at the uniform velocity rotates;Laser system is mounted on rotary system On;Steel wire rope fixed plate is fixedly connected with steel wire rope one end;The leading screw that the feed screw nut holder is fixed on support system carries silk On thick stick nut;
The bearing block of the rotary system is mounted on by mounting plate on frame;Crossed roller bearing is outer ring band tooth pattern Bearing, bearing inner race are mounted on bearing block, and pinion gear forms gear pair with crossed roller bearing, intermeshes;Driving motor And speed reducer is used for driving pinion, and then drive gear subtask.
The support system realizes support imaging system and rotary system, while realizing the reciprocating motion of imaging system;Bottom Base system includes pedestal, motor, leading screw, line rail, fixed pulley, steel wire rope, counterweight;The pedestal is that Q235A proximate matters are welded, Pedestal shape in a rectangular trapezoid, inclined-plane are acute angle with ground level angle, and the bottom surface of pedestal is mounted on treatment room floor.
It is provided along its length two opposite line rails on the inclined-plane of the pedestal, is located at the inclined-plane between two line rails Upper/lower terminal portion is respectively equipped with base board, and leading screw, position are installed by the leading screw support base being respectively equipped on the base board at both ends In being equipped with motor on the base board of upper end, leading screw is parallel to the inclined-plane setting of pedestal, and motor output shaft connects leading screw.
The position that the top of the pedestal is located at right-angle side side is equipped with support column, and fixed pulley is installed on support column;Institute It states fixed pulley, steel wire rope and counterweight and collectively constitutes a set of weight member.
The imaging system realizes that image guides positioning function, including CBCT image guidance systems and two-dimensional imaging system; Imaging system includes that frame, rotary system, X penetrate source, flat panel detector, shell, laser system, steel wire rope fixed plate, leading screw spiral shell Female holder;The frame is welded using Q235A proximate matters, and frame is at right angles triangular shaped, and frame is mounted on the oblique of pedestal On face;Rotary system is installed on the vertical right-angle side of frame.
It is that can generate the instrument of X-ray to lead to high-voltage electricity that the X, which penetrates source, and flat panel detector is to penetrate source for receiving X to send out X-ray, be converted into signal pass to computer picture guiding system, carry out image procossing;The X penetrates source and flat panel detector Orthogonal packing, source image is away from 2800mm or more, Source Axis Distance 1400mm or more.
The shell is mounted on the vertical right-angle side of frame, and rotary system is located at laser system in shell;It is described to swash Photosystem is to position imaging system to the device of patient tumors position.
The steel wire rope fixed plate is located on the bottom surface right-angle side of frame;Feed screw nut branch is erected at the bottom surface right angle of frame Bian Shang;Imaging system inner space diameter of phi is not less than 2000mm.
The rotary system realizes that imaging system is at the uniform velocity rotated around patient ± 180 °;Rotary system includes bearing block, installation Plate, crossed roller bearing, pinion gear, driving motor and speed reducer, electric machine support;The crossed roller bearing lower aerofoil is mounted to As the X in system penetrates source, flat panel detector and laser system, when driving motor and speed reducer driving gear pair rotation, X is penetrated Source, flat panel detector and laser system, which can be realized, at the uniform velocity to be rotated.
Beneficial effects of the present invention:New Image guiding system provided by the invention can replace traditional proton/heavy ion doctor The a large amount of electric power for treating the large rotating machine frame and its rotary course demand in equipment, make therapeutic room be miniaturized, make treatment end equipment Lightness;New Image guiding system has the characteristics that:
(1) this system has independent CBCT image guidance systems, patient tumors position can be accurately positioned, while having both two Dimension imaging system function can switch according to tumor type and position using CBCT image guidance systems or two-dimensional imaging at any time System, will be in the CBCT image guidance systems and the two-dimensional imaging system integration to set of system in past proton therapy equipment;
(2) this system compares the rotation therapy room and fixation for treatment room that traditional proton/heavy ion Medical Devices are equipped with, and has It is compact-sized, the advantages that occupying little space, lacked using resource.
A. the treatment head in traditional proton/heavy ion Medical Devices rotation therapy room and CBCT image guidance systems are with cartridge type Rotary frame rotates together with, and New Image guiding system requires nothing more than treatment head and is fixed on capital construction wall in this system, and image draws Guiding systems and treatment chair cooperation, make patient reach specified region, carry out the treatment of framing and later stage, equipment only needs one Kind therapeutic room;
B. independent imaging device meets CBCT image guidance system functions in New Image guiding system, works as imaging device When fixed (not rotating), two-dimensional imaging function can be met.After completing tumor-localizing, patient is fixed on treatment chair, novel figure As guiding the imaging device of system to be moved to top, treatment space is reserved, treatment head goes out beam, can be treated.
Description of the drawings
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is the structural schematic diagram of support system of the present invention;
Fig. 2 is the force analysis figure of imaging system in support system of the present invention;
Fig. 3 is the structural schematic diagram of imaging system of the present invention;
Fig. 4 is the main structure diagram of rotary system of the present invention;
Fig. 5 is the axis side structure schematic diagram of rotary system of the present invention;
Fig. 6 is overall structure of the present invention.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality It is only a part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, this field is general All other embodiment that logical technical staff is obtained without creative efforts belongs to what the present invention protected Range.
A kind of New Image in proton/heavy ion medical apparatus system guides system, as shown in figures 1 to 6, novel There are three functional components altogether for image guidance system:Support system, imaging system and rotary system, each functional component major function Have:
Support system:It realizes support imaging system and rotary system, while realizing the reciprocating motion of imaging system;
Imaging system:It realizes that image guides positioning function, includes the master of CBCT image guidance systems and two-dimensional imaging system Function is wanted, while there is laser positioning function;
Rotary system:Realize that imaging system is at the uniform velocity rotated around patient ± 180 °;
The functional component can be achieved through the following technical solutions:
1. support system:As shown in Figure 1, support system major part has pedestal 1.1, motor 1.2, leading screw 1.3, line rail 1.4, fixed pulley 1.5, steel wire rope 1.6, counterweight 1.7;
(1) pedestal 1.1 is that Q235A proximate matters are welded, 1.1 shape in a rectangular trapezoid of pedestal, inclined-plane and Horizon Face angle is acute angle, and the bottom surface of pedestal is mounted on treatment room floor;
(2) motor 1.2, leading screw 1.3, line rail 1.4 are installed on the inclined-plane of the pedestal 1.1;Motor 1.2, leading screw 1.3, line Rail 1.4 collectively constitutes a set of straight-line motion mechanism, for driving imaging system to move up and down along pedestal inclined-plane;Specially:Pedestal It is provided along its length two opposite line rails 1.4 on 1.1 inclined-plane, is located at the inclined-plane upper and lower two between two line rails 1.4 End is respectively equipped with base board, installs leading screw 1.3 by the leading screw support base being respectively equipped on the base board at both ends, is located at upper Motor 1.2 is installed, leading screw 1.3 is parallel to the inclined-plane setting of pedestal 1.1, and motor 1.2 exports axis connection on the base board of end Leading screw 1.3;
(3) fixed pulley 1.5 is installed at the top of the pedestal 1.1, lay winding wire ropes 1.6 on fixed pulley 1.5;Specially:Bottom The position that the top of seat 1.1 is located at right-angle side side is equipped with support column, and fixed pulley 1.5 is installed on support column;
(4) 1.6 one end fixed imaging system of the steel wire rope, the other end install counterweight 1.7;The line rail 1.4 passes through line 4 sliding blocks on rail are attached with frame in imaging system 2.1;
(5) fixed pulley 1.5, steel wire rope 1.6 and counterweight 1.7 collectively constitute a set of weight member, are used for 2 institute of balance chart Show (imaging system and rotary system) downward component G1, reduce the power of motor 1.2 and improves the stability of linear motion;
2. imaging system (including CBCT image guidance systems and two-dimensional imaging system);As shown in figure 3, imaging system is main It is solid that part has frame 2.1, rotary system 2.2, X to penetrate source 2.3, flat panel detector 2.4, shell 2.5, laser system 2.6, steel wire rope Fixed board 2.7, feed screw nut holder 2.8;
(1) frame 2.1 is welded using Q235A proximate matters, and frame 2.1 is at right angles triangular shaped, and surface is roasting Paint carries out antirust treatment;Frame 2.1 is mounted on the inclined-plane of pedestal 1.1;
(2) rotary system 2.2 is installed, rotary system 2.2 is for installing and driving X to penetrate 2.3 peace of source on the frame 2.1 Partitioned detector 2.4 carries out ± 180 ° and back and forth at the uniform velocity rotates;Specially:Rotary system is installed on the vertical right-angle side of frame 2.1 2.2;
(3) it is to lead to the instrument that high-voltage electricity can generate X-ray that the X, which penetrates source 2.3, and it is pencil-beam that X, which penetrates the ray that source is sent out, Flat panel detector 2.4 is to penetrate the cone-beam X-ray that source 2.3 is sent out for receiving X, is converted into signal and passes to computer picture guiding System software carries out image procossing;
(4) X penetrates source 2.3 (two) and flat panel detector 2.4 (two) orthogonal packing, source image away from 2800mm or more, Source Axis Distance 1400mm or more;
Above-mentioned (1)-(4) are CBCT image guidance systems operation principle and technical characterstic;Two-dimensional imaging system structure is same CBCT image guidance systems are consistent, but X penetrates source 2.3 and flat panel detector 2.4 is in a fixed position at work, do not turn around patient Dynamic, flat panel detector 2.4 receives X and penetrates the cone-beam X-ray that source 2.3 is sent out, and is converted into signal and passes to computer picture guiding system System software, carries out image procossing;
(5) shell 2.5 is the outer casing member for preventing patient and medical worker's touches device internal structure, while being beautified outer It sees;Specially:Shell 2.5 is mounted on the vertical right-angle side of frame 2.1, and rotary system 2.2 is located at shell with laser system 2.6 2.5 interior;
(6) laser system 2.6 is to position imaging system to the device of patient tumors position;Specially:Laser system 2.6 are mounted on rotary system 2.2;There are two laser systems 2.6, and a laser system is located between two flat panel detectors, Another laser system is located at X and penetrates between source and flat panel detector;
Core part is two lasers in the laser system 2.6, and two lasers are mutually in 90 ° to be installed on rotary system Crossed roller bearing 3.3 on, one is right against patient front, and another laser is right against patient side, the laser hair The laser gone out is the red or green visible of 500-600nm wavelength;
(7) steel wire rope fixed plate 2.7 is fixedly connected with 1.6 one end of steel wire rope (steel wire rope other end firm banking system In counterweight 1.7);Specially:Steel wire rope fixed plate 2.7 is located on the bottom surface right-angle side of frame 2.1;
(8) the feed screw nut holder 2.8 is used for the feed screw nut that firm banking system upper leading screw 1.3 carries, Jin Ershi Motor works in existing support system, imaging system can be driven to move back and forth;Specially:Feed screw nut holder 2.8 is located at frame On 2.1 bottom surface right-angle side;
(9) imaging system inner space diameter of phi is not less than 2000mm, meets normal patient and treats the disengaging of chair;
3. rotary system:As shown in figure 4,2.2 major part of rotary system includes bearing block 3.1, mounting plate 3.2, intersects Roller bearing 3.3, pinion gear 3.4, driving motor and speed reducer 3.5, electric machine support 3.6;
(1) bearing block 3.1 is mounted on by mounting plate 3.2 on the frame 2.1 of imaging system;
(2) crossed roller bearing 3.3 is outer ring band tooth pattern bearing, and bearing inner race is mounted on bearing block 3.1, small Gear 3.4 forms gear pair with crossed roller bearing 3.3, intermeshes;
(3) driving motor and speed reducer 3.5 are used for driving pinion 3.4, and then drive gear subtask, realize rotation Rotating function;Electric machine support 3.6 is for fixing driving motor and speed reducer 3.5;Electric machine support 3.6 is mounted on mounting plate 3.2.
(4) as shown in figure 5, the X in 3.3 lower aerofoil of crossed roller bearing installation imaging system penetrates source 2.3, tablet is visited Device 2.4 and laser system 2.6 are surveyed, when driving motor and the driving gear pair rotation of speed reducer 3.5, X penetrates source 2.3, tablet detection Device 2.4 and laser system 2.6 can be realized and at the uniform velocity rotate;
4. the realization of allomeric function
As shown in fig. 6, patient is sitting in the designated position for the treatment of chair by the guidance of medical worker, control room control treatment chair moves Specified region is moved, motor 1.2 on frame system 1 drives imaging system 2 to decline, using laser system 2.6 by imaging system 2 To the approximate location of patient tumors, the driving motor in rotary system 2.2 drives imaging system 2 around patient ± 180 ° for centralized positioning Rotation carries out Image Acquisition, and after the completion of acquisition, the motor driving imaging system 2 in frame system 1 rises to eminence, treats chair and disease People is without movement, and computer carries out reconstruction and the registration of image, and after the completion, treatment head sends out the particle beams and treated, treatment It completes, treatment chair removes, and patient leaves.
A kind of New Image in proton/heavy ion medical apparatus system guides the tree-like table of system
Structure briefly explains
1. support system:
This system includes mainly the parts such as pedestal, line rail, leading screw, motor and counterweight.
(1) pedestal:Integral, local mating surface machining realization, surface paint baking, use are welded using Q235A materials In antirust and aesthetic appeal;
(2) line rail, leading screw and motor:This three parts collectively constitute a set of motion, the feed screw nut on leading screw with Imaging system connects, and motor drives leading screw rotation, so that imaging system is moved back and forth along pedestal inclined-plane, when being imaged When positioning, motor driving imaging system landing reaches specified region, and imaging system works;At the end of being imaged positioning, electricity Machine drives imaging system to rise, and guarantee reserves enough spaces and carries out patient's treatment for treatment head;
(3) counterweight:Since imaging system is mounted on pedestal inclined-plane, point of both direction is will produce known to force analysis Power, be reused in balance along pedestal bevel direction component.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (9)

1. a kind of New Image in proton/heavy ion medical apparatus system guides system, including support system (1), at As system (2) and rotary system (2.2), it is characterised in that:
Motor (1.2), leading screw (1.3), line rail (1.4) are installed on pedestal (1.1) inclined-plane of the support system (1), jointly A set of straight-line motion mechanism is formed, for driving imaging system to move up and down along pedestal inclined-plane;Pacify at the top of the pedestal (1.1) Set pulley (1.5), lay winding wire ropes (1.6) on fixed pulley (1.5);Described steel wire rope (1.6) one end fixed imaging system, separately One end is installed by counterweight (1.7);
The frame (2.1) of the imaging system (2) is mounted on the inclined-plane of pedestal (1.1);Rotation is installed on the frame (2.1) System (2.2), for installing and driving, X penetrates source (2.3) to rotary system (2.2) and ± 180 ° of flat panel detector (2.4) progress is past It is multiple at the uniform velocity to rotate;Laser system (2.6) is mounted on rotary system (2.2);Steel wire rope fixed plate (2.7) is fixedly connected with steel wire rope (1.6) one end;The leading screw (1.3) that the feed screw nut holder (2.8) is fixed on support system carries on feed screw nut;
The bearing block (3.1) of the rotary system (2.2) is mounted on by mounting plate (3.2) on frame (2.1);Crossed roller axis It is outer ring band tooth pattern bearing to hold (3.3), and bearing inner race is mounted on bearing block (3.1), pinion gear (3.4) and crossed roller axis It holds (3.3) and forms gear pair, intermesh;Driving motor and speed reducer (3.5) are used for driving pinion (3.4), and then drive Gear subtask.
2. a kind of New Image in proton/heavy ion medical apparatus system according to claim 1 guides system, It is characterized in that:The support system realizes support imaging system and rotary system, while realizing the reciprocating motion of imaging system; Support system include pedestal (1.1), motor (1.2), leading screw (1.3), line rail (1.4), fixed pulley (1.5), steel wire rope (1.6), Counterweight (1.7);The pedestal (1.1) shape in a rectangular trapezoid, inclined-plane are acute angle, the bottom surface installation of pedestal with ground level angle In treatment room floor.
3. a kind of New Image in proton/heavy ion medical apparatus system according to claim 2 guides system, It is characterized in that:It is provided along its length two opposite line rails (1.4) on the inclined-plane of the pedestal (1.1), is located at two Inclined-plane upper/lower terminal portion between line rail (1.4) is respectively equipped with base board, the silk on the base board at both ends by being respectively equipped with Thick stick support base installs leading screw (1.3), motor (1.2) is equipped on the base board of upper end, leading screw (1.3) is parallel to pedestal (1.1) inclined-plane setting, motor (1.2) output shaft connect leading screw (1.3).
4. a kind of New Image in proton/heavy ion medical apparatus system according to claim 3 guides system, It is characterized in that:The position that the top of the pedestal (1.1) is located at right-angle side side is equipped with support column, and installation is fixed on support column Pulley (1.5);The fixed pulley (1.5), steel wire rope (1.6) and counterweight (1.7) collectively constitute a set of weight member, for balancing Imaging system and the downward component G1 of rotary system.
5. a kind of New Image in proton/heavy ion medical apparatus system according to claim 1 guides system, It is characterized in that:The imaging system realizes that image guides positioning function, including CBCT image guidance systems and two-dimensional imaging system System;Imaging system include frame (2.1), rotary system (2.2), X penetrate source (2.3), flat panel detector (2.4), shell (2.5), Laser system (2.6), steel wire rope fixed plate (2.7), feed screw nut holder (2.8);The rectangular triangle shape of the frame (2.1) Shape, frame (2.1) are mounted on the inclined-plane of pedestal (1.1);Rotary system (2.2) is installed on the vertical right-angle side of frame (2.1).
6. a kind of New Image in proton/heavy ion medical apparatus system according to claim 5 guides system, It is characterized in that:It is that can generate the instrument of X-ray to lead to high-voltage electricity that the X, which penetrates source (2.3), flat panel detector (2.4) be for It receives X and penetrates the X-ray that source (2.3) is sent out, be converted into signal and pass to computer picture guiding system, carry out image procossing;Institute It states X and penetrates source (2.3) and flat panel detector (2.4) orthogonal packing, source image is away from 2800mm or more, Source Axis Distance 1400mm or more.
7. a kind of New Image in proton/heavy ion medical apparatus system according to claim 5 guides system, It is characterized in that:The shell (2.5) is mounted on the vertical right-angle side of frame (2.1), rotary system (2.2) and laser system (2.6) it is located in shell (2.5);The laser system (2.6) is to position imaging system to the device of patient tumors position.
8. a kind of New Image in proton/heavy ion medical apparatus system according to claim 5 guides system, It is characterized in that:The steel wire rope fixed plate (2.7) is located on the bottom surface right-angle side of frame (2.1);Feed screw nut holder (2.8) It is located on the bottom surface right-angle side of frame (2.1);Imaging system inner space diameter of phi is not less than 2000mm.
9. a kind of New Image in proton/heavy ion medical apparatus system according to claim 1 guides system, It is characterized in that:The rotary system realizes that imaging system is at the uniform velocity rotated around patient ± 180 °;Rotary system (2.2) includes bearing Seat (3.1), mounting plate (3.2), crossed roller bearing (3.3), pinion gear (3.4), driving motor and speed reducer (3.5), motor Holder (3.6);X in crossed roller bearing (3.3) the lower aerofoil installation imaging system penetrates source (2.3), flat panel detector (2.4) and laser system (2.6), when driving motor and speed reducer (3.5) driving gear pair rotation, X penetrates source (2.3), tablet Detector (2.4) and laser system (2.6) can be realized and at the uniform velocity rotate.
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