CN1537656A - Radio therapy apparatus in operation using multidimensional exercise bed - Google Patents
Radio therapy apparatus in operation using multidimensional exercise bed Download PDFInfo
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- CN1537656A CN1537656A CNA2003101080880A CN200310108088A CN1537656A CN 1537656 A CN1537656 A CN 1537656A CN A2003101080880 A CNA2003101080880 A CN A2003101080880A CN 200310108088 A CN200310108088 A CN 200310108088A CN 1537656 A CN1537656 A CN 1537656A
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Abstract
A movable radiotherapeutic apparatus using high-energy electron beams to radiate tumor cells in tumor excision has a multi-dimension movable bed, a radiating head fixed to ceiling or supporter, an straight-line dectron accelerator on said radiating head, and a laser locator for aligning the electron beam to tumor focus.
Description
Technical field
The present invention relates to a kind of intraoperative radiation therapy device, particularly a kind of movable-type radiotherapy unit that in tumor resection, utilizes the high-power electron beam irradiated tumor cell.Belong to a kind of novel medical device, belong to tumour radiotherapy equipment especially.
Background technology:
Intraoperative radiation therapy is a kind of tumour radiotherapy method of using local tumor cell in the high-power electron beam roentgenization operating field with the treatment deep tumor, can prevent that the local tumor cell is to adjacent tissue's diffusion and transfer, it can be applied in the unresectable malignant tumor of surgical operation, or surgical operation partly excises the remaining tumor focus in back, it also can be applied in residual tumor bed after the surgical excision tumor, and this Therapeutic Method can be used for substituting traditional outer radiotherapy to remove the residual minimal disease that surrounding tissue shifts that soaked into by tumor tissues or taken place.Increasing clinician's this Therapeutic Method interested, and it is widely used in the multiple malignant tumor of treatment abdominal part, pelvic cavity, chest, adopt this Therapeutic Method assisted surgery treatment, perhaps assist outer radiotherapy simultaneously, can obviously improve the malignant tumor of progressive stage.Large-scale electron linear accelerator, both can adopt high-power electron beam, also can adopt X line treatment patient, this large-scale electron linear accelerator is successfully adopted at intraoperative radiation therapy, usually the mode of using is the remaining on every side small tumor focus of irradiation behind surgery operating removing tumor, also be useful on the unresectable malignant tumor of irradiation, yet, some drawbacks limit of large-scale electron linear accelerator their generally use, main cause is its high expense, the device of its huge heaviness, prior reason is that this electron-like linear accelerator produces high-energy X line, use the primary condition of this class device to be very tight x-ray protection andron, wall thickness is not less than 2 meters at least, this must be to be used for carrying out specially radiocurable place, therefore, use this kind equipment middle radiotherapy procedures that undergos surgery, patient must be transported between the radiotherapy special protection in narcotism from operating room, under continuous care, implement introoperative radiotherapy, this mode can increase the danger in the transhipment patient way, increase treatment time, and for the busy clinical treatment mechanism of medical matters, reserve introoperative radiotherapy for certain patient specially, will inevitably influence the treatment of other radiation therapy patient.This Therapeutic Method of general implementation can not be realized in clinical treatment mechanism, simultaneously because the X-beam generating apparatus of linear accelerator head, make radiation head too heavy, can not at will move, when in operation, implementing radiotherapy, be not easy to handle huge device like this and accurately aim at focus, if it is bigger to need to do the multifield radiation difficulty simultaneously.
The later stage nineties, first releases radiotheraphy device in the movable type mechanical arm art that trade name is NOVAC 7 Italy Hitesys.S.P.A., the normal electron linear accelerator of volume obviously dwindles, weight saving, can directly move to and carry out radiotherapy in the art in the operating room, United States Patent (USP) (the patent No.: 5,635,721) disclosed technology (an apparatus for the acceleration of electrons that " is used in particular for the electron accelerator of radiotherapy in the art ", particularly for intraoperative radiation therapy), describe radiotheraphy device in the art of this movable-type in detail, it adopts the arm-type device of machinery to support and mobile electron linear accelerator radiation head, move freely at six direction of principal axis, and, significantly alleviating the electron linear accelerator weight and volume by special design, the motion driving electron linear accelerator radiation head of controlling mechanical arm by automatization moves to surgical field of view, introoperative radiotherapy is implemented in aiming tumor bed position.Follow thereafter, American I ntraop Medical Inc. releases principle, structure is similar to said apparatus, trade name is applied to the removable electron linear accelerator of operating room for " MOBETRON ", United States Patent (USP) (the patent No.: 5,321,271) disclosed technology " electron beam therapy system and device in the art " (Intraoperative electronheam therapy system and facility), describe this special designs in detail and be used for the movable-type electron linear accelerator that operating room is carried out art radiotherapy, it adopts the method that drives the electron linear accelerator radiation head is to adopt C shape arm assembly to support, fixing radiation head, and moving radiation head to surgical field of view by automatic control mode, the aiming tumor bed is carried out the electron beam irradiation.
Radiotheraphy device is disclosed in the world at present in above-mentioned two kinds of arts, radiotheraphy device in only two kinds of arts, its characteristics all are to dwindle the electron linear accelerator volume by particular design, and adopt the method for mechanical arm to come mobile electron linear accelerator radiation head, above-mentioned two kinds of equipment have all been used robotics, the multi-direction mechanical arm automatic control technology of multidimensional, and the electron linear accelerator technology of making low weight, small size have been represented current most advanced technical merit.
However, still there is defective in above-mentioned technology, because in order to satisfy the purpose that significantly reduces weight and volume, the special electronics accelerating tube design of being carried out, obviously lowered the radiant that can reach, only can reach 4～8Mev, this is far from being enough for the tumor cell of killing a lot of deep tissues, because said apparatus is to adopt mechanical arm to support, mobile electron linear accelerator radiation head, and can driving the weight of radiation head, limits to some extent mechanical arm, so being said apparatus, this defective is difficult to overcome, and in the clinical expansion process, this is again extremely important key, and this defective will inevitably influence the universal and popularization of radiotherapy technology in the art.
Secondly, owing to adopted custom-designed electron linear accelerator, increased the difficulty of making and increased cost, and the batch of this device can not arrive the batch process scale, quantity seldom, therefore, make holding at high price of said apparatus, influenced clinical expansion.
Although said apparatus has obviously alleviated the volume and weight of electron linear accelerator, the weight of said apparatus still weighs 2500 pounds, for moving 2500 pound weight flexibly, the manufacturing cost of multidimensional, multi-direction movable machinery arm is also inevitable very expensive, therefore, the high price of radiotheraphy device has obviously influenced the popularization of this technology in clinical hospital in the art.
Another obvious defects of said apparatus is, although they have adopted the multi-direction movable machinery arm of the multidimensional of superprecision technology, but, in clinical practice, lack 3 D stereo directional technology and device, only be to rely on doctor of Clinical Surgery and the doctor of radiotherapy section perusal to determine the position, CT or the MRI image of both not used hi-Fix are auxiliary, do not allow the doctor have perfect instrument to determine lesions position yet, angle, direction and with the relation of normal surrounding tissue, the influence of vitals on every side, thereby determine the incident optimal path of radiotherapy electron beam in the art, direction, angle, and the electron beam transmitting power of determining in view of the above, launch time etc.
Summary of the invention
Task of the present invention is, a kind of novel intraoperative radiation therapy device is proposed, this device is specifically designed to intraoperative radiation therapy, can be easily installed in operating room, pass through autocontrol method, can drive the radiation head of electron linear accelerator easily, and accurately be placed on the operating field scope, this device has laser locating apparatus on the electron linear accelerator radiation head, can accurately aim at the specified lesions position of doctor, and laser beam can clearly be indicated the position and the scope of electron beam irradiation, simultaneously, this device can load the radiation head through the conventional electrical linear accelerator of transforming, motion rack construction is simple, low price, obviously reduce manufacturing cost, utilize the mutual motion of multi-dimensional movement bed and accelerator head to reduce the radiation from machine head multiaxial motion of huge heaviness, further reduce the device fabrication cost.
The present invention solves the problems of the technologies described above the technical scheme that is adopted, it is characterized in that, can replace the general surgery bed at the multi-dimensional movement bed of multi-dimensional direction multiaxial motion by using, utilize in light weight, the multiaxis of the multi-dimensional movement bed of conveniently moving moves and replaces the multiaxis direction of the heavy radiation head of electron linear accelerator to move, radiation head is fixed on operating room ceiling or fixing support rack, move by simple and mechanical device, move mutually by multi-dimensional movement bed and radiation head radiation head is accurately aimed at tumor focus, simultaneously, the radiation headring week of electron linear accelerator is installed laser locator additional, the position and the scope of indication electron beam incident tumor focus are treated by the introoperative radiotherapy plan.
The multi-dimensional movement bed introoperative radiotherapy device that the present invention proposes, it is characterized in that, the multi-dimensional movement bed replaces the operation table in traditional introoperative radiotherapy to cooperate the linear accelerator radiation head to realize the multiaxial motion of multi-dimensional direction, multi-dimensional movement bed transverse axis shifting sledge and slide block 205 drive bed surface in the X-direction freely-movable, longitudinal axis shifting sledge and slide block 204 drive bed surface and move in Y direction, vertical telescopic arm 203 drives bed surface and moves up and down in Z-direction, feathering axis 202 drives bed surface and horizontally rotates at the R direction of principal axis, base 201 is as the support of bed, the universal wheel at base substrate position drives the multi-dimensional movement bed and moves.
The multi-dimensional movement bed introoperative radiotherapy device that the present invention proposes, it is characterized in that, the electron linear accelerator radiation head is fixed on the operating room ceiling by several mechanical connecting devices, ceiling through special mounting relies on building structure to support the weight of linear accelerator radiation head, part such as power supply, high tension generator then is installed in ground, be connected by the spacious coaxial cable of good metal screen between the two, radiation head revolves the axle motion by vertical turning arm, turbine, scroll bar actuating device and frequency modulation motor, the aiming tumor focus.
The multi-dimensional movement bed introoperative radiotherapy device that the present invention proposes, it is characterized in that, the electron linear accelerator radiation head also can be by device at the fixing support rack top board, power supply and high tension generator control system are then installed the gripper shoe back side at bracing frame, stable support frame center of gravity, the bracing frame base is supported bracing frame and can be moved freely by the basilar part universal wheel, radiation head is suspended on the bracing frame top board by the device that is fixedly connected, and the freely-movable of vertical telescopic arm, horizontal rotating arm and radiation head Movable joint can accurately aim at tumor focus.
The multi-dimensional movement bed introoperative radiotherapy device that the present invention proposes, it is characterized in that, in position, the scope of linear accelerator radiation head radiation outlet position device laser locator with aiming and affirmation lonizing radiation, laser locator is made up of the LASER Discharge Tube of 4 emission visible lasers, four roads are radiated at the visible laser bundle region surrounded of human tumor lesions position, represent the scope and the position of radiation head electron beam.
The multi-dimensional movement bed introoperative radiotherapy device that the present invention proposes, it is characterized in that, radioactive source is an electron linear accelerator, this is that specialized designs is used for intraoperative radiation therapy movably, only produce high-power electron beam, do not produce or only produce the electron linear accelerator of low-yield X-line, this device is by power supply, frequency modulator, magnetron, parts such as electronics accelerating tube are formed, the electronics of emission of cathode accelerates to 6Mev～9Mev high-power electron beam through 5 grades～6 grades, this device volume is less, volume and weight is significantly less than the traditional line accelerator, radiation head and power supply, control section, high tension generators etc. partly separate, and application has the coaxial cable of good metallic shield to connect, this electron linear accelerator can be entrusted producer's specialized designs manufacturing, also can remove to produce X line tungsten alloy target and sighting device improvement such as the center of grade forms on traditional electron linear accelerator head.
Multi-dimensional movement bed introoperative radiotherapy device proposed by the invention, it is characterized in that, in operation, adopt this device not need to protect especially, any general operating room all can adopt this device to carry out introoperative radiotherapy, because this device only produces the electronics line and does not produce or only produce a small amount of mental retardation X line, the ray penetrance is low, can not penetrate wall, can not produce radiation damage to the medical worker of surrounding and operating room.
Multi-dimensional movement bed introoperative radiotherapy device proposed by the invention is characterized in that, radiation head electrons emitted beam dose can partly be regulated and control by control, can shine the beam energy of various dose according to different tumor focus.
Multi-dimensional movement bed introoperative radiotherapy device proposed by the invention, it is characterized in that, when surgical field of view is carried out radiotherapy, the thoracic cavity of using in can using and perform the operation, the calimator that the abdominal cavity self-retractor is used, can be connected on the self-retractor fixedly calimator by the magnetic on-mechanical, the position of the visible laser indication radiation head divergent bundle on the laser locator, scope, the visible laser guiding radiation head position and the direction of the emission of radioactive source laser localized light comparing, calimator can move up and down in sliding sleeve, the specified irradiation area of the restriction accurate directive doctor of electron beam ray, and can not damage normal surrounding tissue.
The invention has the beneficial effects as follows, adopt multi-dimensional movement bed introoperative radiotherapy device, can more accurate focus be located, and work out radiotherapy scheme in the more scientific and reasonable art in view of the above, the laser positioning laser beam can obviously be indicated the position and the scope of incident beam, help monitoring in the medical treatment process, the motion frame of driving radiation head and therapeutic bed move mutually and can make radiation head easier, more accurate incident target focus, it is complicated to adopt more simple telecontrol equipment to replace, expensive multidimensional mechanical arm, be significantly reduced to this, can select the multiple selectivity of multiple electron linear accelerator for use, the difficulty and the cost of device fabrication have been reduced, reduced the price of radiotheraphy device in the art, can make this technology easier to be universal, and be more service for patients in clinical hospital.
Description of drawings:
Below in conjunction with accompanying drawing the present invention is done a step explanation
Fig. 1 is a multi-dimensional movement bed introoperative radiotherapy device sketch map of the present invention
Fig. 2 is the radiation head connection diagram that the present invention is fixed on the operating room ceiling
Fig. 3 is a multi-dimensional movement bed structure sketch map of the present invention
Fig. 4 is a laser locator sketch map among the present invention
Fig. 5 is a laser locator vertical view among the present invention
Fig. 6 is an electron beam calimator sketch map among the present invention
Fig. 7 is the radiation head sketch map that is fixed among the present invention on the bracing frame
Fig. 8 is a bracing frame sketch map among the present invention
Among the figure, 201-multi-dimensional movement bed foundation, 202-horizontal rotating arm, the vertical telescopic arm of 203-, 204-longitudinal axis shifting sledge and slide block, 205-transverse axis shifting sledge and slide block, the 206-radiation head, the Movable joint of 207-radiation head, 208-the 2nd a vertical Even bar, 209-second longitudinal axis Movable joint, 210-first longitudinal axis connecting rod, the 211-scroll bar, 212-worm gearing, the vertical turning arm of 213-, 214-adapter connecting rod, 215-holder coupling, 216-ceiling holder, 301-radiation head, the Movable joint of 302-radiation head, the vertical stretching motion arm of 303-, 304-horizontally rotates movement arm, the 401-radiation head, 402-electronics line focus device, the 403-laser locator, 404-laser localized light comparing, 405-light collecting barrel, 501-drag hook magnetic connector, the 502-fixed bar, 503-fixed bar brake 504-radioactive source laser positioning lamp holder, 505-radioactive source laser localized light comparing, 506-focus laser positioning lamp holder, 507-laser base, 508-laser tube turning cylinder, 509-focus locating laser pipe, the 510-calimator, 511-calimator sliding sleeve, the brake of 512-calimator, 513-silica gel contact head, the 706-top board, the 707-gripper shoe, 708-high tension generator and power supply box, 709-base
The embodiment that Fig. 1, Fig. 2, Fig. 3 show is a multi-dimensional movement bed introoperative radiotherapy device sketch map among the present invention.Form by multi-dimensional movement bed and the radiation head and the mechanical connecting device thereof that are suspended on the ceiling, the multi-dimensional movement bed is formed, and can axially be carried out multi-dimensional direction at X-axis, Y-axis, Z axle, four on R-axle and move by bed surface, transverse axis shifting sledge and slide block 205, longitudinal axis shifting sledge and slide block 204, vertical telescopic arm 203, horizontal rotating arm 202, base 201.The mechanical connecting device of radiation head 206 is fixed on ceiling by ceiling holder 216, fixed connector 215 is connected with Lian Jie Qi Even bar 214, vertical telescopic arm 213, worm gearing 212 rotates along concentric garden direction with vertical telescopic arm 213 with scroll bar 211, and connect first longitudinal axis joint 217, first longitudinal axis connecting rod 210 connects first longitudinal axis joint 217 and second longitudinal axis joint 209 respectively, second longitudinal axis connecting rod 208 connects radiation head Movable joint 207, driving radiation head 206 moves at multi-dimensional direction, multi-dimensional movement bed and radiation head multi-dimensional direction each other moves, can the mobile radiation head 206 accurate tumor focus that point to any position.
The embodiment that Fig. 4, Fig. 5 show is a laser locator sketch map of the present invention, laser locator 403 is made up of laser fixed disk 406 and laser positioning pipe 404, the laser positioning pipe 404 of four radiation visible lasers is installed in laser tube fixed disk 3 points, 6 points, 9 points, 10 positions respectively, laser holder 403 is installed in electron beam focusing arrangement 402 surfaces, laser holder medium pore 407 is equal to the outlet of electron focusing device, the incident scope of zone indication electron beam that 4 road visible laser bundles of laser positioning pipe radiation constitute.
The embodiment that Fig. 6 shows is an electron beam calimator sketch map among the present invention.Calimator 510 can move freely in calimator sliding sleeve 511, to adjust the length of calimator, it is nontoxic that calimator does not hold silica gel contact point 513 to adopt, the good medical grade silica gel of histocompatibility is formed, can directly be seated in tissue surface in the operating field, calimator is fixed on drag hook magnetic connector 501 by fixed bar 502, fixed bar 502 can move in drag hook magnetic connector 501 inner chutes with adjusting position, fixed bar brake 503 can the fixed position, focus locating laser lamp 509 is installed on the focus laser positioning lamp holder 506 by laser base 507, laser tube pavilion moving axis 508 can be regulated focus locating laser lamp indication lesions position, radioactive source laser localized light comparing 505 is installed on the radioactive source laser lamp holder, the position of indication radiation head.
Fig. 7, the embodiment that Fig. 8 shows is the sketch map that radiation head is fixed on bracing frame in the multi-dimensional movement bed introoperative radiotherapy device of the present invention, bracing frame is by base 709, high tension generator and power supply box 708, gripper shoe 707, top board 706 constitutes, radiation head 301 is by vertical telescopic arm 303, horizontal rotating arm 304, fixed connector 205, be fixed on bracing frame top board 706, bracing frame can move freely by four universal wheels that are installed in base 709 substrate positions, high tension generator and power supply box 708 can the balanced support framves and are played a supporting role, and the multi-dimensional movement bed is consistent with the device that Fig. 1 describes.
Be another most preferred embodiment of the present invention below:
Patient, the male, 58 years old, clinical diagnosis is a carcinoma of head of pancreas, the II phase, implements the carcinoma of head of pancreas radical excision, finish precontract one hour in operation, technician's preheating electron linear accelerator is measured parameters and index in the electron accelerator, performs introoperative radiotherapy and prepares, after the carcinoma of head of pancreas radical operation finishes, through surgeon approval, and and the Radiotherapy doctor determine jointly to move the position and the scope of radiating in the art and be loaded with the bracing frame of radiation head to the movable bed opposite position of multidimensional, regulate the multi-dimensional movement bed in X-axis, Y-axis, Z-direction, make it to meet radiotherapy position and direction, regulate vertical telescopic arm, horizontal rotating arm and radiation head Movable joint position make radiation head accurately aim at tumor focus, the electron linear accelerator energy adjustment is to 9Mev, dosage is 4GY, the beginning introoperative radiotherapy, and the medical worker leaves operating room, observe patient by monitor, radiotherapy finishes, and mobile bracing frame leaves the multi-dimensional movement bed, and introoperative radiotherapy finishes.
Multi-dimensional movement bed introoperative radiotherapy device can be widely used in all kinds tumor operation treatment, auxiliaryly kills the minimal disease that may remain in surrounding tissue in the operation, can use also that surgical operation can not excise or the patient of tumor resection partly only.
Claims (8)
1. the present invention relates to a kind of intraoperative radiation therapy device, be particularly related to a kind of movable-type radiotherapy unit that in tumor resection, utilizes the high-power electron beam irradiated tumor cell, it is characterized in that: can replace the general surgery bed at the multi-dimensional movement bed of multi-dimensional direction multiaxial motion by using, utilize in light weight, the multiaxis of the multi-dimensional movement bed of conveniently moving moves and replaces the multiaxis direction of the heavy radiation head of electron linear accelerator to move, radiation head is fixed on operating room ceiling or fixing support rack, move by simple and mechanical device, move mutually by multi-dimensional movement bed and radiation head radiation head is accurately aimed at tumor focus, simultaneously, the radiation headring week of electron linear accelerator is installed laser locator additional, the position and the scope of indication electron beam incident tumor focus are controlled plan by radiation in the art and are treated.
2. by the described multi-dimensional movement bed of claim 1 introoperative radiotherapy device, it is characterized in that: the multi-dimensional movement bed replaces the operation table in traditional introoperative radiotherapy to cooperate the linear accelerator radiation head to realize the multiaxial motion of multi-dimensional direction, multi-dimensional movement bed transverse axis shifting sledge and slide block 205 can drive bed surface in the X-direction freely-movable, longitudinal axis shifting sledge and slide block 204 can drive bed surface and move in Y direction, vertical telescopic arm 203 can drive bed surface and move up and down in Z-direction, feathering axis 202 can drive bed surface and horizontally rotate at the R direction of principal axis, base 201 is as the support of bed, the universal wheel at base substrate position can drive the multi-dimensional movement bed and move.
3. by the described multi-dimensional movement bed of claim 1 introoperative radiotherapy device, it is characterized in that: the electron linear accelerator radiation head can be fixed on the operating room ceiling by several mechanical connecting devices, ceiling through special mounting relies on building structure to support the weight of linear accelerator radiation head, part such as power supply, high tension generator then is installed in ground, be connected by the spacious coaxial cable of good metal screen between the two, radiation head revolves the axle motion by vertical turning arm, turbine, scroll bar actuating device and frequency modulation motor, the aiming tumor focus.
4. by the described multi-dimensional movement bed of claim 1 introoperative radiotherapy device, it is characterized in that: the electron linear accelerator radiation head also can be by device at the fixing support rack top board, power supply and high tension generator control system are then installed the gripper shoe back side at bracing frame, stable support frame center of gravity, the bracing frame base is supported bracing frame and can be moved freely by the basilar part universal wheel, radiation head is suspended on the bracing frame top board by the device that is fixedly connected, and the freely-movable of vertical telescopic arm, horizontal rotating arm and radiation head Movable joint can accurately aim at tumor focus.
5. by the described multi-dimensional movement bed of claim 1 introoperative radiotherapy device, it is characterized in that: in position, the scope of linear accelerator radiation head radiation outlet position device laser locator with aiming and affirmation lonizing radiation, laser locator is made up of the LASER Discharge Tube of 4 emission visible lasers, four roads are radiated at the visible laser bundle region surrounded of human tumor lesions position, represent the scope and the position of radiation head electron beam.
6. by the described multi-dimensional movement bed of claim 1 introoperative radiotherapy device, it is characterized in that: radioactive source is an electron linear accelerator, this is that specialized designs is used for intraoperative radiation therapy movably, produce high-power electron beam and do not produce or only produce the electron linear accelerator of low-yield X-line, this device is by power supply, frequency modulator, magnetron, parts such as electronic line of sight pipe are formed, the electronics of emission of cathode accelerates to 6Mev～9Mev high-power electron beam through 5 grades～6 grades, this device volume is less, volume and weight is significantly less than the traditional line accelerator, radiation head and power supply, control section, high tension generators etc. partly separate, and use the coaxial cable connection that good metallic shield is arranged.
7. by the described multi-dimensional movement bed of claim 1 introoperative radiotherapy device, it is characterized in that: in operation, adopt this device not need to protect especially, any general operating room all can adopt this device to carry out introoperative radiotherapy, because this device only produces the electronics line and does not produce or only produce a small amount of mental retardation X line, the ray penetrance is low, can not penetrate wall, can not produce radiation damage the medical worker of surrounding and operating room.
8. by the described multi-dimensional movement bed of claim 1 introoperative radiotherapy device, it is characterized in that: when surgical field of view is carried out radiotherapy, the thoracic cavity of using in can using and perform the operation, the calimator that the abdominal cavity self-retractor is used, calimator can be connected on the self-retractor fixedly calimator by the magnetic on-mechanical, the position of the visible laser indication radiation head divergent bundle on the laser locator, scope, the visible laser guiding radiation head position and the direction of the emission of radioactive source laser localized light comparing, calimator can move up and down in sliding sleeve, the specified irradiation area of the restriction accurate directive doctor of electron beam ray, and can not damage normal surrounding tissue.
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| CN101015723B (en) * | 2006-02-09 | 2010-04-07 | 吴大怡 | Robot radiation therapy system |
| CN101810910A (en) * | 2010-04-20 | 2010-08-25 | 江苏海明医疗器械有限公司 | Medical linear accelerator mechanism |
| CN103735344A (en) * | 2014-01-27 | 2014-04-23 | 钱丛丽 | Urine drainage bag carrier and nursing hospital bed with urine drainage bag carrier |
| CN103920249A (en) * | 2013-01-15 | 2014-07-16 | 上海荣乔生物科技有限公司 | Treatment device of radiotherapy system and control method thereof |
| WO2014131172A1 (en) * | 2013-02-28 | 2014-09-04 | 深圳市奥沃医学新技术发展有限公司 | Multi-angle movement therapy bed |
| CN104721961A (en) * | 2015-03-10 | 2015-06-24 | 石健 | Full-body tumor radiotherapy instrument |
| CN104812445A (en) * | 2014-09-22 | 2015-07-29 | 数码医疗集团 | Multi-angle motion treatment bed |
| WO2016061877A1 (en) * | 2014-10-20 | 2016-04-28 | 苏州大学张家港工业技术研究院 | Radiation therapy system |
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| CN106669049A (en) * | 2010-03-05 | 2017-05-17 | 三菱电机株式会社 | Driving type patient platform, control device for driving type patient platform, control program for driving type patient platform, and particle beam therapy system utilizing these items |
| CN101810910A (en) * | 2010-04-20 | 2010-08-25 | 江苏海明医疗器械有限公司 | Medical linear accelerator mechanism |
| CN101810910B (en) * | 2010-04-20 | 2011-06-15 | 江苏海明医疗器械有限公司 | Medical linear accelerator mechanism |
| CN103920249A (en) * | 2013-01-15 | 2014-07-16 | 上海荣乔生物科技有限公司 | Treatment device of radiotherapy system and control method thereof |
| CN104135983B (en) * | 2013-02-28 | 2015-12-30 | 深圳市奥沃医学新技术发展有限公司 | One can realize multi-direction exercise therapy bed |
| CN104135983A (en) * | 2013-02-28 | 2014-11-05 | 深圳市奥沃医学新技术发展有限公司 | Multi-angle movement therapy bed |
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