Summary of the invention
The present invention be directed to existing radiotherapy equipment cannot be in therapeutic process to accurately monitoring and early-stage cancer monitoring is designed compared with the defect such as difficult of patient part.
In order to solve the problems of the prior art, in the present invention by Positron Emission Computed Tomography (Positron Emission Tomography, being called for short PET) technology and MR scanning technique be incorporated into the mode in radiotherapy apparatus, by PET and real-time patient part is accurately monitored of MR monitoring part, effectively improve radiocurable precision.
In order to reach described object, a kind of radiotherapy equipment provided by the invention, comprising: radio-therapy unit; For supporting and mobile patient's sick bed; And the bed board that is arranged on sick bed moves horizontally PET monitoring part and MR monitoring part in direction.
Optionally, in described radiotherapy equipment, described radio-therapy unit comprises the bed board passage that bed board is passed through.
Optionally, in described radiotherapy equipment, described sick bed is positioned at front, PET monitoring part and the MR monitoring site of radio-therapy unit in the back side of radio-therapy unit.
Optionally, in described radiotherapy equipment, described radio-therapy unit and sick bed are between PET monitoring part and MR monitoring part.
Optionally, in described radiotherapy equipment, described PET monitoring part and MR monitoring site are in the front of radio-therapy unit, and sick bed is positioned at the back side of radio-therapy unit.
Optionally, in described radiotherapy equipment, described sick bed is positioned at the back side of radio-therapy unit, and PET monitoring part and MR monitoring site are between radio-therapy unit and sick bed.
Optionally, in described radiotherapy equipment, described PET monitoring part and MR monitoring site are between radio-therapy unit and sick bed.
Optionally, in described radiotherapy equipment, comprise the support for bed board made.
Optionally, in described radiotherapy equipment, described support comprises the elevating lever of bed board made and the underframe that elevating lever is carried out to lifting driving.
Optionally, in described radiotherapy equipment, described elevating lever is " T " font elevating lever wide at the top and narrow at the bottom.
Optionally, in described radiotherapy equipment, the upper surface of described elevating lever contact sick bed is provided with movable pulley.
Optionally, in described radiotherapy equipment, described sick bed bottom surface comprises the swivel base that drives sick bed rotation.
Optionally, in described radiotherapy equipment, the bottom surface of described radio-therapy unit comprises the swivel base that drives radio-therapy unit to be rotated.
In the present invention by PET imaging technique and MR scanning technique are incorporated into the mode in radiotherapy apparatus, selectively the lesion of the patient to needs treatment is monitored, the precise synchronization image location of realizing the oncotherapy to patient, effectively raises treatment precision and efficiency.And MR scanner section and independently equipment of radiotherapy position, avoided the magnetic field of MR to radiocurable interference.
Detailed description of the invention
PET imaging is the isotope thing that serves as a mark that utilizes transmitting positron, be introduced into a certain some areas in brain and participate in known biochemical metabolism process, utilize the metabolic rate of the specific metabolic process that modernization computed tomography participates in label to express with the form of three-dimensional imaging.PET checks that 85% is the inspection for tumor at present, because most malignant tumor glucose metabolisms are high, FDG as with the compound of glucose structural similarity, after intravenous injection, can get up in malignant cell inner accumulated, so PET can differentiate malignant tumor and benign tumor and normal structure, also can be distinguished the tumor of recurrence and necrosis around and scar tissue simultaneously, now be used for pulmonary carcinoma, breast carcinoma, colorectal cancer, ovarian cancer, lymphoma, the inspection of melanoma etc., its accuracy rate of diagnosis is more than 90%.Whether this inspection there is transfer for malignant neoplastic disease, and the position of shifting is very clear, and whether this needs the scope of operation and excision to play important directive function to diagnosing tumor by stages.Early stage in chemotherapy of tumors, radiotherapy, whether PET checks can find oncotherapy onset, and for determining that next step therapeutic scheme offers help.In the present invention, utilize just above-mentioned PET imaging advantage, PET imaging technique and MR imaging technique are incorporated into the mode of radiotherapy apparatus, effectively raise radiocurable accuracy and therapeutic effect.
Describe specific embodiments of the invention in detail below in conjunction with accompanying drawing.
The first embodiment
Describe in detail according to the first embodiment of the present invention below with reference to Fig. 2 to Fig. 5.
Fig. 2 is the first embodiment front schematic view of radiotherapy equipment of the present invention; Fig. 3 is the first embodiment schematic rear view of radiotherapy equipment of the present invention; Fig. 4 is the first embodiment side schematic view of radiotherapy equipment of the present invention; Fig. 5 is radiotherapy equipment of the present invention " T " font support schematic diagram.As shown in Figures 2 to 5, radiotherapy equipment comprises radio-therapy unit 10, sick bed 20, PET monitoring part 31 and MR monitoring part 41.Wherein radio-therapy unit 10 comprises the accelerator 12 for launching lonizing radiation; The center lonizing radiation that penetrate perpendicular to accelerator 12, be plane, for determining the detector 13 of contour shape of radiotherapy wire harness, detector 13 is collapsible or be accommodated in radio-therapy unit 10 as requested.Under original state, described accelerator 12 and detector 13 lay respectively at patient's above and below, and lonizing radiation arrive on detector 13 by patient.In order to adjust the incident angle of lonizing radiation, the centrage that described accelerator 12 and detector 13 move horizontally direction taking bed board 21 under the drive of rotating disk 11 is rotated as axle center.Described rotating disk 11 is provided with the cylindrical shape bed board passage 15 that connects radio-therapy unit 10, for increasing the scope that moves horizontally of bed board 21.
Be provided with a side of accelerator 12 and detector 13 taking radio-therapy unit 10 as positive, sick bed 20 is positioned at the front of radio-therapy unit 10.Described sick bed 20 comprises the bed board 21 and the bed board driver 22 that lie low for patient, and bed board 21 can level or the movement of tilting under the driving of bed board driver 22.On the bottom surface of sick bed 20, be also provided with discoid swivel base 14, described swivel base 14, centered by the vertical center line of swivel base 14, drives sick bed 20 to be rotated.
Described PET monitoring part 31 and MR monitoring part 41 are positioned at the back side of radio-therapy unit 10, and the position that needs in patient's 5 healths to check is formed to image.Described PET monitoring part 31 and MR monitoring part 41 are respectively independently equipment, drive by driving device independently, are not subject to the impact of radio-therapy unit 10.
In the radiotherapy equipment of the present embodiment, bed board 21 need to be by arriving the imaging band 32 of PET monitoring part 31 and MR monitoring part 41 after the bed board passage 15 of radio-therapy unit 10, the length of bed board 21 just needs to lengthen like this, for the adverse effect that bed board 21 Flexible changes that reduce after lengthening are accurately controlled sick bed 20, between PET monitoring part 31 and radio-therapy unit 10, be also provided with the support 50 of bed board made 21.
Described support 50 is in order to coordinate the lifting of bed board 21, also be designed to liftable support 50, described support 50 comprises for this reason: elevating lever 52, and the underframe 53 that elevating lever 52 is carried out to lifting driving, described elevating lever 52 can be " T " wide at the top and narrow at the bottom font structure, this structure can increase contact area, the increase stress surface of elevating lever 52 and bed board 21, stability to equipment is favourable, above elevating lever 52, can also increase movable pulley 51, reduce bed board 21 while moving with the frictional force of elevating lever 52 upper surfaces generations.
Above-mentioned support 50 also can be arranged between PET monitoring part 31 and MR monitoring part 41.
The second embodiment
Describe in detail according to a second embodiment of the present invention below with reference to Fig. 5, Fig. 6.
Fig. 5 is radiotherapy equipment of the present invention " T " font support schematic diagram; 6 is the second embodiment side schematic view of radiotherapy equipment of the present invention.Radiotherapy equipment comprises radio-therapy unit 10, sick bed 20, PET monitoring part 31 and MR monitoring part 41 as shown in Figure 6.Wherein radio-therapy unit 10 comprises the accelerator 12 for launching lonizing radiation; The center lonizing radiation that penetrate perpendicular to accelerator 12, be plane, be used for the detector 13 of the contour shape of determining radiotherapy wire harness, detector 13 is collapsible or be accommodated in radio-therapy unit 10 as requested, under original state, described accelerator 12 and detector 13 lay respectively at patient's above and below, and described lonizing radiation arrive on detector 13 by patient.In order to adjust the incident angle of lonizing radiation, the centrage that described accelerator 12 and detector 13 move horizontally direction taking bed board 21 under the drive of rotating disk 11 is rotated as axle center.Described rotating disk 11 is provided with the cylindrical shape bed board passage 15 that connects radio-therapy unit 10, for increasing the scope that moves horizontally of bed board 21.
Be provided with a side of accelerator 12 and detector 13 taking radio-therapy unit 10 as positive, PET monitoring part 31 and MR monitoring part 41 are positioned at the front of radio-therapy unit 10, and sick bed 20 is between radio-therapy unit 10 and described two monitoring parts.Described sick bed 20 comprises the bed board 21 and the bed board driver 22 that lie low for patient, and bed board 21 can level or the movement of tilting under the driving of bed board driver 22.On the bottom surface of sick bed 20, be also provided with discoid swivel base 14, described swivel base 14, centered by the vertical center line of swivel base 14, drives sick bed 20 to be rotated.
Described PET monitoring part 31 and MR monitoring part 41 form image to the part that needs in patient's 5 healths to check.Described PET monitoring part 31 and MR monitoring part 41 are respectively independently equipment, drive by driving device independently, are not subject to the impact of radio-therapy unit 10.
In the radiotherapy equipment of the present embodiment, bed board 21 need to could arrive in the imaging band 32 of MR monitoring part 41 by after the imaging band 32 of PET monitoring part 31, the length of bed board 21 just needs to lengthen like this, for the adverse effect that bed board 21 Flexible changes that reduce after lengthening are accurately controlled sick bed 20, between PET monitoring part 31 and MR monitoring part 41, be also provided with the support 50 of bed board made 21.
Described support 50 is in order to coordinate the lifting of bed board 21, also be designed to liftable support 50, described support 50 comprises for this reason: elevating lever 52, and the underframe 53 that elevating lever 52 is carried out to lifting driving, described elevating lever 52 can be " T " wide at the top and narrow at the bottom font structure, this structure can increase contact area, the increase stress surface of elevating lever 52 and bed board 21, stability to equipment is favourable, above elevating lever 52, can also increase movable pulley 51, reduce bed board 21 while moving with the frictional force of elevating lever 52 upper surfaces generations.
Here the position of PET monitoring part 31 and MR monitoring part 41 can exchange.
Different from the first embodiment is that sick bed 20 is between radio-therapy unit 10 and two monitoring parts, as long as bed board 20 just moves forward and patient can be delivered within the scope of the radiation of radio-therapy unit 10, mobile just patient can being delivered in the imaging band 32 of PET monitoring part 31 and MR monitoring part 41 backward, with respect to the first embodiment, the unidirectional drive distance of bed board 21 shortens, so it is oversize that bed board 21 does not need, can save space.
The 3rd embodiment
Describe a third embodiment in accordance with the invention in detail below with reference to Fig. 5, Fig. 7.
Fig. 5 is radiotherapy equipment of the present invention " T " font support schematic diagram; Fig. 7 is the 3rd embodiment side schematic view of radiotherapy equipment of the present invention.Radiotherapy equipment comprises radio-therapy unit 10, sick bed 20, PET monitoring part 31 and MR monitoring part 41 as shown in Figure 7.Wherein radio-therapy unit 10 comprises the accelerator 12 for launching lonizing radiation; The center lonizing radiation that penetrate perpendicular to accelerator 12, be plane, be used for the detector 13 of the contour shape of determining radiotherapy wire harness, detector 13 is collapsible or be accommodated in radio-therapy unit 10 as requested, under original state, described accelerator 12 and detector 13 lay respectively at patient's above and below, and described lonizing radiation arrive on detector 13 by patient.In order to adjust the incident angle of lonizing radiation, the centrage that described accelerator 12 and detector 13 move horizontally direction taking bed board 21 under the drive of rotating disk 11 is rotated as axle center.Described rotating disk 11 is provided with the cylindrical shape bed board passage 15 that connects radio-therapy unit 10, for increasing the scope that moves horizontally of bed board 21.
Be provided with a side of accelerator 12 and detector 13 taking radio-therapy unit 10 as positive, sick bed 20 is positioned at the front of radio-therapy unit 10.Described sick bed 20 comprises the bed board 21 and the bed board driver 22 that lie low for patient, and described bed board 21 can level or the movement of tilting under the driving of bed board driver 22.On the bottom surface of sick bed 20, be also provided with discoid swivel base 14, described swivel base 14, centered by the vertical center line of swivel base 14, drives sick bed 20 to be rotated.
PET monitoring part 31 is positioned at the back side of radio-therapy unit 10, the front that MR monitoring part 41 is positioned at radio-therapy unit 10, and described radio-therapy unit 10 and sick bed 20 are between PET monitoring part 31 and MR monitoring part 41.Described PET monitoring part 31 and MR monitoring part 41 are respectively independently equipment, drive by driving device independently, are not subject to the impact of radio-therapy unit 10.
In the radiotherapy equipment of the present embodiment, bed board 21 need to be by arriving the imaging band 32 of PET monitoring part 31 after the bed board passage 15 of radio-therapy unit 10, the length of bed board 21 just needs to lengthen like this, for the adverse effect that bed board 21 Flexible changes that reduce after lengthening are accurately controlled sick bed 20, between PET monitoring part 31 and radio-therapy unit 10, be also provided with the support 50 of bed board made 21.
Fig. 4 is radiotherapy equipment of the present invention " T " font support schematic diagram.Support 50 is in order to coordinate the lifting of bed board 21, also be designed to liftable support 50, described support 50 comprises for this reason: elevating lever 52, and the underframe 53 that elevating lever 52 is carried out to lifting driving, described elevating lever 52 can be " T " wide at the top and narrow at the bottom font structure, this structure can increase contact area, the increase stress surface of elevating lever 52 and bed board 21, stability to equipment is favourable, above elevating lever 52, can also increase movable pulley 51, reduce bed board 21 while moving with the frictional force of elevating lever 52 upper surfaces generations.
Here the position of PET monitoring part 31 and MR monitoring part 41 can exchange.
With respect to the first embodiment, here MR monitoring part 41 is placed on from the position close to sick bed 20, bed board 21 just can be delivered to patient in the radiation model of radio-therapy unit 10 and the imaging band 32 of PET monitoring part 31 as long as move horizontally forward, just move horizontally backward and can will suffer from the imaging band 32 of MR monitoring part 41, with respect to the first embodiment, the unidirectional drive distance of bed board 21 shortens, so that bed board 21 does not need is oversize, can save space.
The 4th embodiment
Describe a fourth embodiment in accordance with the invention in detail below with reference to Fig. 5, Fig. 8.
Fig. 5 is radiotherapy equipment of the present invention " T " font support schematic diagram; Fig. 8 is the 4th embodiment side schematic view of radiotherapy equipment of the present invention.Radiotherapy equipment comprises radio-therapy unit 10, sick bed 20, PET monitoring part 31 and MR monitoring part 41 as shown in Figure 8.Wherein radio-therapy unit 10 comprises the accelerator 12 for launching lonizing radiation; The center lonizing radiation that penetrate perpendicular to accelerator 12, be plane, be used for the detector 13 of the contour shape of determining radiotherapy wire harness, detector 13 is collapsible or be accommodated in radio-therapy unit 10 as requested, under original state, described accelerator 12 and detector 13 lay respectively at patient's above and below, and described lonizing radiation arrive on detector 13 by patient.In order to adjust the incident angle of lonizing radiation, the centrage that described accelerator 12 and detector 13 move horizontally direction taking bed board 21 under the drive of rotating disk 11 is rotated as axle center.Described rotating disk 11 is provided with the cylindrical shape bed board passage 15 that connects radio-therapy unit 10, for increasing the scope that moves horizontally of sick bed 20.
Be provided with a side of accelerator 12 and detector 13 taking radio-therapy unit 10 as positive, sick bed 20 is positioned at the back side of radio-therapy unit 10.Described sick bed 20 comprises the bed board 21 and the bed board driver 22 that lie low for patient, and described bed board 21 can level or the movement of tilting under the driving of bed board driver 22.On the bottom surface of sick bed 20, be also provided with discoid swivel base 14, described swivel base 14, centered by the vertical center line of swivel base 14, drives sick bed 20 to be rotated.
Described PET monitoring part 31 and MR monitoring part 41 are arranged in the front of radio-therapy unit 10, need the position checking to form image to patient's 5 healths.Described PET monitoring part 31 and MR monitoring part 41 are respectively independently equipment, drive by driving device independently, are not subject to the impact of radio-therapy unit 10.
In the radiotherapy equipment of the present embodiment, bed board 21 need to be by arriving the imaging band 32 of PET monitoring part 31 after the bed board passage 15 of radio-therapy unit 10, the length of bed board 21 just needs to lengthen like this, for the adverse effect that bed board 21 Flexible changes that reduce after lengthening are accurately controlled sick bed 20, between PET monitoring part 31 and radio-therapy unit 10, be also provided with the support 50 of bed board made 21.Support 50 also can be between PET monitoring part 31 and MR monitoring part 41.
Fig. 4 is radiotherapy equipment of the present invention " T " font support schematic diagram.Support 50 is in order to coordinate the lifting of bed board 21, also be designed to liftable support 50, described support 50 comprises for this reason: elevating lever 52, and the underframe 53 that elevating lever 52 is carried out to lifting driving, described elevating lever 52 can be " T " wide at the top and narrow at the bottom font structure, this structure can increase contact area, the increase stress surface of elevating lever 52 and bed board 21, stability to equipment is favourable, above elevating lever 52, can also increase movable pulley 51, reduce bed board 21 while moving with the frictional force of elevating lever 52 upper surfaces generations.
The position of PET monitoring part 31 and MR monitoring part 41 can exchange in this embodiment, also can be integrally formed.
With respect to front several embodiment, here PET monitoring part 31 and MR monitoring part 41 obviously shorten with the distance of the accelerator 12 of radio-therapy unit 10, favourable for the driving error in minimizing bed board 21 moving process, have realized the object of accurate treatment.
The 5th embodiment
Describe in detail according to a fifth embodiment of the invention below with reference to Fig. 5, Fig. 9.
Fig. 5 is radiotherapy equipment of the present invention " T " font support schematic diagram; Fig. 5 is the 5th embodiment side schematic view of radiotherapy equipment of the present invention.Radiotherapy equipment comprises radio-therapy unit 10, sick bed 20, PET monitoring part 31 and MR monitoring part 41 as shown in Figure 9.Wherein radio-therapy unit 10 comprises the accelerator 12 for launching lonizing radiation; The center lonizing radiation that penetrate perpendicular to accelerator 12, be plane, be used for the detector 13 of the contour shape of determining radiotherapy wire harness, detector 13 is collapsible or be accommodated in radio-therapy unit 10 as requested, under original state, described accelerator 12 and detector 13 lay respectively at patient's above and below, and described lonizing radiation arrive on detector 13 by patient.In order to adjust the incident angle of lonizing radiation, the centrage that described accelerator 12 and detector 13 move horizontally direction taking bed board 21 under the drive of rotating disk 11 is rotated as axle center.Described rotating disk 11 is provided with the cylindrical shape bed board passage 15 that connects radio-therapy unit 10, for increasing the scope that moves horizontally of bed board 21.On the bottom surface of radio-therapy unit 10, be also provided with discoid swivel base 14, described swivel base 14, centered by the vertical center line of swivel base 14, drives radio-therapy unit 10 to be rotated.
Be provided with a side of accelerator 12 and detector 13 taking radio-therapy unit 10 as positive, sick bed 20 is positioned at the front of radio-therapy unit 10, described sick bed 20 comprises the bed board 21 and the bed board driver 22 that lie low for patient, and described bed board 21 can level or the movement of tilting under the driving of bed board driver 22.
Described PET monitoring part 31 and MR monitoring part 41, between sick bed 20 and radio-therapy unit 10, form image to the position that needs in patient's 5 healths to check.Described PET monitoring part 31 and MR monitoring part 41 are respectively independently equipment, drive by driving device independently, are not subject to the impact of radio-therapy unit 10.
In the radiotherapy equipment of the present embodiment, bed board 21 need to be by arriving the area for treatment of radio-therapy unit 10 after the bed board passage 15 of the imaging band 32 of PET monitoring part 31 and MR monitoring part 41, the length of bed board 21 just needs to lengthen like this, for the adverse effect that bed board 21 Flexible changes that reduce after lengthening are accurately controlled sick bed 20, between PET monitoring part 31 and radio-therapy unit 10, be also provided with the support 50 of bed board made 21.Support 50 also can be between PET monitoring part 31 and MR monitoring part 41.
Fig. 4 is radiotherapy equipment of the present invention " T " font support schematic diagram.Support 50 is in order to coordinate the lifting of bed board 21, also be designed to liftable support 50, described support 50 comprises for this reason: elevating lever 52, and the underframe 53 that elevating lever 52 is carried out to lifting driving, described elevating lever 52 can be " T " wide at the top and narrow at the bottom font structure, this structure can increase contact area, the increase stress surface of elevating lever 52 and bed board 21, stability to equipment is favourable, above elevating lever 52, can also increase movable pulley 51, reduce bed board 21 while moving with the frictional force of elevating lever 52 upper surfaces generations.
The position of PET monitoring part 31 and MR monitoring part 41 can exchange in this embodiment, also can be integrally formed.
With respect to front several embodiment, here PET monitoring part 31 and MR monitoring part 41 are near sick bed 20, and the shiftable haulage line of bed board 21 meets first inspection treats again, also needs to check the treatment flow process of therapeutic effect after treatment, improves the efficiency of whole treatment.And PET monitoring part 31 and MR monitoring part 41 obviously shorten with the distance of the accelerator 12 of radio-therapy unit 10, favourable for reducing driving error in bed board 21 moving process, realize the object of accurate treatment.
Although the present invention discloses as above with preferred embodiment; so it is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is worked as with being as the criterion that claims were defined.