CN114569902A - Device for radiotherapy and use method thereof - Google Patents
Device for radiotherapy and use method thereof Download PDFInfo
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- CN114569902A CN114569902A CN202210292884.7A CN202210292884A CN114569902A CN 114569902 A CN114569902 A CN 114569902A CN 202210292884 A CN202210292884 A CN 202210292884A CN 114569902 A CN114569902 A CN 114569902A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000005855 radiation Effects 0.000 claims description 38
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1042—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head
- A61N5/1045—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head using a multi-leaf collimator, e.g. for intensity modulated radiation therapy or IMRT
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N2005/1019—Sources therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
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Abstract
The invention discloses a device for radiotherapy and a using method thereof, and belongs to the technical field of medical equipment. A device for radiotherapy comprises a treatment bin and a treatment bed in sliding connection with the treatment bin, wherein the treatment bed comprises a base and a bed board, the base is in sliding connection with the treatment bin, a lifting mechanism is arranged between the base and the bed board, a rotating shaft is rotationally connected in the bed board, a handrail is arranged on the rotating shaft, the lifting mechanism drives the handrail to rotate through a transmission assembly, two sides of the top of the bed board are both connected with a work box through supports, a pneumatic mechanism is arranged on the work box, the output end of the pneumatic mechanism is connected with a clamping seat for clamping a head, and a self-positioning mechanism for limiting the clamping seat is further arranged in the work box; the invention is convenient for improving the working efficiency of the radiotherapy of the patient, reducing the working difficulty of the radiotherapy of the patient and lightening the workload of medical staff.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a device for radiotherapy and a using method thereof.
Background
Tumor radiotherapy is a local treatment method for treating tumor by utilizing radioactive rays, including alpha, beta and gamma rays generated by radioactive isotopes, and x rays, electron beams, proton beams and other particle beams generated by various x-ray treatment machines or accelerators. About 70% of cancer patients require radiation therapy in the course of cancer treatment, and about 40% of cancers can be cured by radiation therapy.
Radiotherapy machines generally consist of a fixed treatment chamber and a three-dimensional bed, the radiation focus in the treatment chamber is fixed. After the patient is fixed by the head frame, the position of the tumor of the head of the patient, namely the target point, is determined through MRI or CT scanning, and then a treatment plan is made for treatment.
In a medical bed equipped with the existing tumor radiotherapy apparatus, a head fixing device generally needs medical staff to manually fix the head of a patient, and the head fixing device is manually removed after treatment is finished, so that the working efficiency is low, and the workload of the medical staff is increased; and some critical patients can not move, need medical staff to carry to the medical bed, and current medical bed is mostly fixed height, can't carry out altitude mixture control, has increased working strength, is provided with the handrail that prevents that patient from dropping and be higher than the medical bed again on the medical bed simultaneously, has further increased medical staff and has carried the work degree of difficulty of in-process.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a device for radiotherapy and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a device for radiation therapy, including treatment storehouse and with treatment storehouse sliding connection's treatment bed, the treatment bed includes base and bed board, base and treatment storehouse sliding connection, be provided with elevating system between base and the bed board, the bed board internal rotation is connected with the axis of rotation, be provided with the handrail in the axis of rotation, elevating system passes through drive assembly drive handrail and rotates, bed board top both sides all are connected with the work box through the support, be provided with pneumatic mechanism on the work box, pneumatic mechanism's output is connected with the grip slipper that is used for the centre gripping head, still be provided with in the work box and be used for spacing self-align mechanism to the grip slipper.
Preferably, elevating system includes and rotates the dwang of connection in the base through the bearing, first bevel gear has set firmly on the dwang, first bevel gear outer wall meshing is connected with the second bevel gear, be connected with first lead screw on the second bevel gear, first lead screw rotates with the base and links to each other, first lead screw outer wall threaded connection has first sleeve, fixedly connected with backup pad on the first sleeve, first telescopic one end is kept away from to the backup pad and the bed board is fixed links to each other, elevating system still includes the driving motor who sets firmly on the base, driving motor's output passes the base and links to each other with the dwang.
Preferably, the transmission assembly comprises a telescopic rod fixedly connected with the first screw rod, one end, away from the first screw rod, of the telescopic rod is connected with a small gear, the outer wall of the small gear is meshed with a large gear, a rotating shaft is connected onto the large gear, the rotating shaft is rotatably connected into the bed plate, a third bevel gear is fixedly arranged on the rotating shaft, the outer wall of the third bevel gear is meshed with a fourth bevel gear, and the fourth bevel gear is fixedly connected with a rotating shaft.
Preferably, pneumatic mechanism includes pneumatic subassembly and gasbag subassembly, pneumatic subassembly includes the piston plate of sliding connection in the work box, the carriage release lever has set firmly on the piston plate, the one end that the piston plate was kept away from to the carriage release lever passes the work box and links to each other with the grip slipper, the cover is equipped with second elastic element on the carriage release lever, the both ends of second elastic element link to each other with the inner wall of piston plate and work box respectively.
Preferably, the gasbag subassembly is including seting up the air inlet on the work box, the intercommunication has the air duct on the air inlet, the one end that the air inlet was kept away from to the air duct is connected with the gasbag ring, the gasbag ring cover is established on first lead screw, the tip of first lead screw is provided with the roof, the both ends of gasbag ring link to each other with roof and first sleeve respectively.
Preferably, the grip slipper includes the connecting plate that links firmly with the carriage release lever, be connected with first elastic element on the connecting plate, the one end that the connecting plate was kept away from to first elastic element is connected with the grip block, be provided with the stand pipe on the grip block, stand pipe sliding connection is in the connecting plate, still bond sponge cushion on the grip block.
Preferably, the self-positioning mechanism comprises a first positioning assembly, a second positioning assembly and a bevel gear set used for connecting the first positioning assembly and the second positioning assembly, the first positioning assembly comprises a baffle used for plugging an air inlet, a first rotating rod is arranged on the baffle and rotatably connected with the working box, a torsion spring used for resetting and rotating the baffle is sleeved on the outer wall of the first rotating rod, a lower pressing plate is slidably connected in the working box, a third elastic element is arranged between the lower pressing plate and the working box and movably abutted against the baffle, the first positioning assembly further comprises an L-shaped plate fixedly connected with the base, and the top of the lower pressing plate is movably abutted against the L-shaped plate.
Preferably, the second locating component comprises a fixed block fixedly arranged on the work box, a second rotating rod is connected to the fixed block in a rotating mode, the second rotating rod is arranged in the guide pipe, two external threads opposite in rotating direction are fixedly arranged on the second rotating rod, a second sleeve is connected to the external threads in a threaded mode, a swinging rod and a limiting plate are connected to the second sleeve in a rotating mode through a pin shaft, a fixing strip is arranged on the limiting plate, a fixing groove matched with the fixing strip is formed in the inner wall of the guide pipe, the bevel gear set comprises a fifth bevel gear and a sixth bevel gear meshed with the fifth bevel gear, the fifth bevel gear is fixedly connected with the first rotating rod, and the sixth bevel gear is fixedly connected with the second rotating rod.
Preferably, a rotatable radiation source assembly is arranged in the treatment cabin, the radiation source assembly comprises a multi-blade collimator, a radiation source table body and a radiation source, the radiation source is connected with the radiation source table body, the radiation source table body is connected with the treatment cabin through a rotating device, a radiation source hole cavity is formed in the radiation source table body, and a receiving detection plate matched with the radiation source assembly is arranged on the treatment couch.
The invention also discloses a use method of the device for radiotherapy, which comprises the following steps:
s1: when a severe patient needs radiotherapy, medical staff controls the driving motor to operate to enable the output end of the driving motor to drive the rotating rod to rotate, the rotating rod drives the first bevel gear to be meshed with the second bevel gear on the first screw rod when rotating, the first screw rod is enabled to rotate, the first sleeve moves downwards on the outer side of the first screw rod when rotating, and the bed plate is driven to move downwards through the supporting plate, so that the height of the treatment bed is reduced;
s2: the first screw rod can drive the telescopic rod at the end part to rotate when rotating, the telescopic rod can drive the pinion to be meshed with the large gear on the rotating shaft when rotating, the rotating shaft is enabled to rotate and drive the third bevel gear to be meshed with the fourth bevel gear on the rotating shaft, the rotating shaft drives the handrail to deflect, and after the pinion rotates for multiple circles along with the first screw rod, the handrail on the rotating shaft turns for ninety degrees and is parallel to the bed plate, and medical staff can move a patient to the bed plate;
s3: then the driving motor is controlled to rotate reversely, the first screw rod is rotated, the first sleeve is moved upwards on the outer side of the first screw rod, and the first sleeve drives the bed plate and the patient on the bed plate to move upwards to the height to be treated by radiotherapy through the supporting plate;
s4: when the first sleeve moves upwards, the air bag ring sleeved on the first screw rod is extruded, air in the air bag ring is discharged into the working box through the air guide pipe, the baffle plate of the air inlet rotates under stress and drives the first rotating rod to rotate, when the first rotating rod rotates, the second rotating rod rotates through meshing between the bevel gear sets, two second sleeves on the second rotating rod are relatively far away, the limiting plate is not clamped on the inner wall of the guide pipe, air in the air bag ring enters the working box through the air inlet and acts on the piston plate, the piston plate moves under stress and pushes the clamping seat to move towards the head of a patient through the moving rod, the head is clamped and limited, in the process, the clamping plate contacts the head of the patient firstly, at the moment, because the bed plate does not move to the height to be subjected to radiotherapy, the air bag ring is continuously extruded to discharge air to the working box and drive the piston plate to move, so that one side of the clamping plate contacts the head, the first elastic element is compressed;
s5: when the bed board moves up to the height of treating radiotherapy, the L-shaped board can be to the top effort of holding down plate on the work box, make the holding down plate move down and to the baffle effort, make baffle shutoff air inlet, make the piston board no longer the atress remove, and the baffle resets and rotates the back first bull stick and passes through bevel gear group drive second bull stick antiport, and then make two second sleeves on the second bull stick be close to relatively, make limiting plate and the contact of stand pipe inner wall, and make the fixed strip block in the fixed slot, avoid the stand pipe to continue to move, thereby fix a position the grip block, grip block adaptation in patient's head this moment, send into the treatment storehouse with the treatment bed afterwards, carry out radiotherapy.
Compared with the prior art, the invention provides a device for radiotherapy and a using method thereof, and the device has the following beneficial effects:
1. according to the device for radiotherapy and the using method thereof, the height of the treatment couch is adjusted through the lifting mechanism, so that medical staff can conveniently carry a patient to the bed board, the working difficulty of the medical staff is reduced, and when the height of the treatment couch is adjusted, the handrail automatically turns over to be parallel to the bed board, so that the carrying height of the staff is further reduced, the working intensity of the staff is effectively reduced, and the efficiency of radiotherapy of the patient is improved.
2. This a device for radiation therapy and application method thereof through elevating system operation, makes first sleeve extrude the gasbag ring, makes the air in the gasbag ring pass through the air duct and gets into the work box to piston plate effort, make the piston plate drive the centre gripping seat through the carriage release lever and carry out fixed centre gripping to patient's head, realize the automatic centre gripping of patient's head, and then improved the work efficiency of patient's inspection treatment.
3. According to the device for radiotherapy and the using method thereof, the head is clamped and limited through the clamping seat, the clamping plate can be contacted with the head of a patient firstly, at the moment, because the bed plate does not move to the height to be subjected to radiotherapy, the air bag ring is continuously extruded to discharge air to the working box and drive the piston plate to move, after one side of the clamping plate is contacted with the head, the first elastic element is compressed, the distance between the clamping plates can be adjusted, the device is convenient to be suitable for heads with different sizes, and the practicability is high.
4. This a device for radiation therapy and application method, through the top effort of L shaped plate to the last holding down plate of work box, make the holding down plate move down and to the baffle effort, make baffle shutoff air inlet, avoid gaseous outflow or entering, lead to the piston board to remove, and baffle resets and rotates back first bull stick and drives second bull stick antiport through bevel gear group, and then make two second sleeves on the second bull stick relatively close to, make limiting plate and the contact of stand pipe inner wall, and make fixed strip block in the fixed slot, avoid the stand pipe to continue to move, thereby fix a position the grip block, avoid the centre gripping seat of elasticity setting to rock in the radiation therapy process, influence the fixed effect of patient's head, and then influence treatment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the treatment couch of the present invention;
FIG. 3 is a schematic cross-sectional view of the treatment couch of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3 according to the present invention;
FIG. 5 is a schematic structural view of the transmission assembly of the present invention;
FIG. 6 is a schematic structural view of a clamping seat of the present invention;
FIG. 7 is a schematic view showing an external structure of the work box of the present invention;
FIG. 8 is an enlarged view of a portion of portion B of FIG. 7 according to the present invention;
FIG. 9 is a schematic cross-sectional view of the work box of the present invention;
FIG. 10 is a schematic cross-sectional view of a guide tube according to the present invention;
fig. 11 is a partially enlarged view of the portion C in fig. 10 according to the present invention.
In the figure: 1. a treatment cabin; 2. a treatment couch; 3. a base; 4. a bed board; 401. a rotating shaft; 402. a handrail; 5. a work box; 6. a clamping seat; 601. a connecting plate; 602. a first elastic element; 603. a clamping plate; 604. a guide tube; 6041. fixing grooves; 605. a sponge cushion; 7. a drive motor; 701. rotating the rod; 7011. a first bevel gear; 702. a first lead screw; 7021. a second bevel gear; 7022. a first sleeve; 7023. a top plate; 703. a support plate; 8. a telescopic rod; 801. a pinion gear; 802. a bull gear; 803. a rotating shaft; 804. a third bevel gear; 805. a fourth bevel gear; 9. a piston plate; 901. a travel bar; 9011. a second elastic element; 10. an air inlet; 11. a balloon ring; 111. an air duct; 12. a baffle plate; 121. a first rotating lever; 1211. a fifth bevel gear; 122. a lower pressing plate; 123. a third elastic element; 13. an L-shaped plate; 14. a fixed block; 141. a second rotating rod; 1412. a sixth bevel gear; 1411. an external thread; 15. a second sleeve; 151. a swing lever; 16. a limiting plate; 161. and (4) fixing the strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1, 2, 3, 4, 6, 7 and 9, a device for radiotherapy comprises a treatment bin 1 and a treatment bed 2 slidably connected with the treatment bin 1, the treatment bed 2 comprises a base 3 and a bed plate 4, the base 3 is slidably connected with the treatment bin 1, a lifting mechanism is arranged between the base 3 and the bed plate 4, a rotating shaft 401 is rotatably connected with the bed plate 4, a handrail 402 is arranged on the rotating shaft 401, the lifting mechanism drives the handrail 402 to rotate through a transmission assembly, two sides of the top of the bed plate 4 are both connected with a work box 5 through supports, a pneumatic mechanism is arranged on the work box 5, the output end of the pneumatic mechanism is connected with a clamping seat 6 for clamping the head, and a self-positioning mechanism for limiting the clamping seat 6 is further arranged in the work box 5.
Specifically, when a critically ill patient needs radiotherapy, a medical worker controls the lifting mechanism to work to enable the lifting mechanism to drive the bed plate 4 to move downwards so as to reduce the height of the treatment bed 2, when the height of the treatment bed 2 is adjusted, the handrail 402 is automatically turned over to enable the handrail 402 to be parallel to the bed plate 4, the moving height of the worker is further reduced, meanwhile, in the process that the treatment bed 2 moves to the height to be subjected to radiotherapy on the lifting mechanism, the pneumatic mechanism works and drives the clamping seat 6 to clamp the head of the patient, when the bed plate 4 moves to the height to be subjected to radiotherapy, the self-positioning mechanism automatically limits the position of the clamping seat 6 to avoid the clamping seat 6 from shaking to influence the head fixing effect and further influence the treatment effect of the patient, the invention is convenient for improving the working efficiency of the patient radiotherapy and reducing the working difficulty of the patient radiotherapy, the workload of medical staff is reduced.
Example 2:
referring to fig. 3 and 4, a device for radiotherapy, the same as embodiment 1, further, the lifting mechanism includes a rotating rod 701 rotatably connected in the base 3 through a bearing, a first bevel gear 7011 is fixedly disposed on the rotating rod 701, a second bevel gear 7021 is engaged with an outer wall of the first bevel gear 7011, a first lead screw 702 is connected to the second bevel gear 7021, the first lead screw 702 is rotatably connected to the base 3, a first sleeve 7022 is threadedly connected to an outer wall of the first lead screw 702, a supporting plate 703 is fixedly connected to the first sleeve 7022, one end of the supporting plate 703, which is far away from the first sleeve 7022, is fixedly connected to the bed plate 4, the lifting mechanism further includes a driving motor 7 fixedly disposed on the base 3, and an output end of the driving motor 7 passes through the base 3 and is connected to the rotating rod 701.
Specifically, the medical staff controls the driving motor 7 to operate, so that the output end of the driving motor 7 drives the rotating rod 701 to rotate, the rotating rod 701 drives the first bevel gear 7011 to be meshed with the second bevel gear 7021 on the first screw rod 702 when rotating, the first screw rod 702 rotates, the first sleeve 7022 moves downwards on the outer side of the first screw rod 702 when rotating, and the bed plate 4 is driven to move downwards through the supporting plate 703, so that the height of the treatment bed 2 is reduced, a patient can be conveniently moved onto the bed plate 4, and the work difficulty of radiotherapy is reduced.
Example 3:
referring to fig. 3, 4 and 5, a device for radiotherapy is the same as in embodiment 2, and further, the transmission assembly includes an expansion link 8 fixedly connected to the first lead screw 702, one end of the expansion link 8 away from the first lead screw 702 is connected to a pinion 801, an outer wall of the pinion 801 is engaged with a bull gear 802, the bull gear 802 is connected to a rotating shaft 803, the rotating shaft 803 is rotatably connected to the inside of the bed plate 4, a third bevel gear 804 is fixedly arranged on the rotating shaft 803, an outer wall of the third bevel gear 804 is engaged with a fourth bevel gear 805, and the fourth bevel gear 805 is fixedly connected to the rotating shaft 401.
Specifically, first lead screw 702 can drive the telescopic link 8 of tip when rotating and rotate, telescopic link 8 rotates and can drive pinion 801 and the meshing of gear wheel 802 on the pivot 803, make pivot 803 rotate and drive third bevel gear 804 and the meshing of the fourth bevel gear 805 on the axis of rotation 401, make axis of rotation 401 drive handrail 402 to deflect, because the number of teeth of gear wheel 802 is the multiple of the number of teeth of pinion 801, make pinion 801 rotate many weeks back along with first lead screw 702, handrail 402 on the axis of rotation 401 overturns ninety degrees and is parallel with bed board 4, medical staff can lift the patient to bed board 4 on, further reduce medical staff and to the height of lifting of patient, the working strength has been reduced, and it adjusts handrail 402 to need not that medical staff is manual, and the work efficiency is improved.
Example 4:
referring to fig. 2, 3, 7 and 9, a device for radiotherapy is similar to that of embodiment 2, and further, the pneumatic mechanism includes a pneumatic assembly and an airbag assembly, the pneumatic assembly includes a piston plate 9 slidably connected in the working box 5, a moving rod 901 is fixedly arranged on the piston plate 9, one end of the moving rod 901 far away from the piston plate 9 passes through the working box 5 and is connected with the clamping seat 6, a second elastic element 9011 is sleeved on the moving rod 901, and two ends of the second elastic element 9011 are respectively connected with the piston plate 9 and the inner wall of the working box 5.
Further, the gasbag subassembly is including seting up air inlet 10 on work box 5, and the intercommunication has air duct 111 on the air inlet 10, and the one end that air duct 111 kept away from air inlet 10 is connected with gasbag ring 11, and 11 covers of gasbag ring are established on first lead screw 702, and the tip of first lead screw 702 is provided with roof 7023, and the both ends of gasbag ring 11 link to each other with roof 7023 and first sleeve 7022 respectively.
Further, the clamping seat 6 includes a connecting plate 601 fixedly connected to the moving rod 901, a first elastic element 602 is connected to the connecting plate 601, a clamping plate 603 is connected to one end, away from the connecting plate 601, of the first elastic element 602, a guide tube 604 is arranged on the clamping plate 603, the guide tube 604 is slidably connected to the inside of the connecting plate 601, and a sponge pad 605 is further bonded to the clamping plate 603.
Specifically, when the first sleeve 7022 moves upwards, the air bag ring 11 sleeved on the first lead screw 702 is extruded, air in the air bag ring 11 is discharged into the working box 5 through the air duct 111, air in the air bag ring 11 passes through the air inlet 10 and enters the working box 5 to exert force on the piston plate 9, the piston plate 9 is forced to move and pushes the clamping seat 6 to move towards the head of the patient through the moving rod 901, the head is clamped and limited, in the process, the clamping plate 603 is firstly contacted with the head of the patient, at the moment, because the bed plate 4 is not moved to the height to be radiated and treated, the air bag ring 11 is continuously extruded to discharge the gas to the work box 5 and drive the piston plate 9 to move, after one side of the clamping plate 603 is in contact with the head, the first elastic element 602 is compressed, so that the distance between the clamping plates 603 can be adjusted, the device is convenient to adapt to heads of different sizes, and the practicability is high.
Example 5:
referring to fig. 2, 3, 7, 8, 9, 10 and 11, a device for radiotherapy is the same as embodiment 4, further, the self-positioning mechanism includes a first positioning component, a second positioning component and a bevel gear set for connecting the first positioning component and the second positioning component, the first positioning component includes a baffle 12 for blocking the air inlet 10, a first rotating rod 121 is disposed on the baffle 12, the first rotating rod 121 is rotatably connected with the working box 5, a torsion spring for restoring and rotating the baffle 12 is sleeved on an outer wall of the first rotating rod 121, a lower pressing plate 122 is slidably connected in the working box 5, a third elastic element 123 is disposed between the lower pressing plate 122 and the working box 5, the lower pressing plate 122 movably abuts against the baffle 12, the first positioning component further includes an L-shaped plate 13 fixedly connected with the base 3, and a top of the lower pressing plate 122 movably abuts against the L-shaped plate 13.
Further, the second positioning assembly comprises a fixed block 14 fixedly arranged on the work box 5, a second rotating rod 141 is rotatably connected in the fixed block 14, the second rotating rod 141 is arranged in the guide pipe 604, two external threads 1411 with opposite rotation directions are fixedly arranged on the second rotating rod 141, a second sleeve 15 is in threaded connection with the external threads 1411, swinging rods 151 are rotatably connected to the two second sleeves 15 through pin shafts, a limiting plate 16 is rotatably connected between the two swinging rods 151, a fixing strip 161 is arranged on the limiting plate 16, a fixing groove 6041 matched with the fixing strip 161 is formed in the inner wall of the guide pipe 604, the bevel gear set comprises a fifth bevel gear 1211 and a sixth bevel gear 1412 meshed with the fifth bevel gear 1211, the fifth bevel gear 1211 is fixedly connected with the first rotating rod 121, and the sixth bevel gear 1412 is fixedly connected with the second rotating rod 141.
Specifically, when the bed plate 4 moves upward, the air in the air bag ring 11 is discharged into the work box 5 through the air duct 111, the baffle plate 12 of the air inlet 10 rotates under force and drives the first rotating rod 121 to rotate, the first rotating rod 121 rotates and drives the second rotating rod 141 to rotate through the meshing between the bevel gear sets, and two second sleeves 15 on the second rotating rod 141 are relatively far away, so that the limiting plate 16 is not clamped on the inner wall of the guide tube 604 any more, the clamping plate 603 is convenient to be suitable for heads with different sizes, when the bed plate 4 moves upward to the height of the radiotherapy to be treated, the L-shaped plate 13 applies force to the tops of the upper and lower pressing plates 122 of the work box 5, the lower pressing plate 122 moves downward and applies force to the baffle plate 12, the baffle plate 12 blocks the air inlet 10, the gas is prevented from flowing out or entering, the piston plate 9 moves, and the first rotating rod 121 drives the second rotating rod 141 to rotate reversely through the bevel gear set after the baffle plate 12 resets and rotates, and then make two second sleeves 15 on the second bull stick 141 be close to relatively for limiting plate 16 and the contact of stand pipe 604 inner wall, and make the clamping strip 161 block in fixed slot 6041, avoid stand pipe 604 to continue to remove, thereby fix a position grip block 603, grip block 603 adaptation in patient's head this moment, and avoid the patient to make at radiotherapy and rock, influence treatment.
Example 6:
referring to fig. 1, a device for radiotherapy, which is the same as the embodiment 1, further, a rotatable radiation source assembly is arranged in the treatment cabin 1, the radiation source assembly comprises a multi-blade collimator, a radiation source table body and a radiation source, the radiation source is arranged in the radiation source table body, the radiation source table body is connected with the treatment cabin through a rotating device, a hole cavity matched with the radiation source is arranged in the radiation source table body, and a receiving detection plate matched with the radiation source assembly is arranged on the treatment couch 2.
Specifically, when carrying out radiotherapy or detection to the patient, the patient lies on treatment table 2, and the rotary device in treatment storehouse 1 can be for a certain equipment that can provide the pivoted among the prior art, and it is no longer repeated here, and rotary device can drive the source subassembly and rotate around rotary device's rotation axis for the radiation source produces the X beam and shines patient target area, and the collimator can include a plurality of collimation punch combination, and every collimation punch combination includes a plurality of collimation holes that distribute along the rotation axis direction, can make the X beam after the deflection in the rotation axis direction pass the collimation hole of different collimation punch combinations and shine to patient target area. The radiation central axis of the radioactive source is not vertical to the ground, when the internal position of a certain body of a patient is irradiated in a treatment mode, the incidence area can be enlarged by driving the radiation source assembly to rotate, the irradiation dose borne by the epidermis of the patient is reduced to a certain extent, the injury of rays to the epidermis of the patient can be effectively reduced, (it needs to be explained that the reaction of normal tissues and organs at risk to the dose is calculated through a radiobiological model by utilizing radiobiological parameters before radiation, the radiation dose is optimized according to the biological parameters, and the treatment effect is better determined), an X-ray beam passes through the patient, a receiving detection plate on a treatment bed 2 receives the X-ray penetrating through the human tissues and forms a real-time accurate image, and therefore detection treatment is carried out on the patient.
The invention also discloses a use method of the device for radiotherapy, which comprises the following steps:
s1: when a critically ill patient needs radiotherapy, medical staff controls the operation of the driving motor 7 to enable the output end of the driving motor 7 to drive the rotating rod 701 to rotate, the rotating rod 701 drives the first bevel gear 7011 to be meshed with the second bevel gear 7021 on the first screw rod 702 to enable the first screw rod 702 to rotate, the first sleeve 7022 moves downwards on the outer side of the first screw rod 702 when the first screw rod 702 rotates, and the supporting plate 703 drives the bed plate 4 to move downwards to enable the height of the treatment bed 2 to be reduced;
s2: when the first screw rod 702 rotates, the telescopic rod 8 at the end part is driven to rotate, the telescopic rod 8 rotates to drive the pinion 801 to be meshed with the gearwheel 802 on the rotating shaft 803, the rotating shaft 803 rotates to drive the third bevel gear 804 to be meshed with the fourth bevel gear 805 on the rotating shaft 401, the rotating shaft 401 drives the handrail 402 to deflect, and the number of teeth of the gearwheel 802 is multiple of that of the pinion 801, so that after the pinion 801 rotates for multiple circles along with the first screw rod 702, the handrail 402 on the rotating shaft 401 turns ninety degrees and is parallel to the bed plate 4, and a medical staff can carry a patient to the bed plate 4;
s3: then the driving motor 7 is controlled to rotate reversely, so that the first screw rod 702 rotates and the first sleeve 7022 moves upwards on the outer side of the first screw rod, and the first sleeve 7022 drives the bed plate 4 and the patient on the bed plate 4 to move upwards to the height to be treated by radiotherapy through the supporting plate 703;
s4: when the first sleeve 7022 moves upwards, the air sac ring 11 sleeved on the first screw rod 702 is extruded, air in the air sac ring 11 is discharged into the working box 5 through the air duct 111, the baffle plate 12 of the air inlet 10 rotates under stress and drives the first rotating rod 121 to rotate, when the first rotating rod 121 rotates, the second rotating rod 141 rotates through meshing between the bevel gear sets, the two second sleeves 15 on the second rotating rod 141 are relatively far away, the limiting plate 16 is not clamped on the inner wall of the guide tube 604, air in the air sac ring 11 enters the working box 5 through the air inlet 10 and applies force to the piston plate 9, the piston plate 9 moves under stress and pushes the clamping seat 6 to move towards the head of a patient through the moving rod 901 to clamp and limit the head, in the process, the clamping plate 603 contacts with the head of the patient first, at the moment, because the bed plate 4 does not move to the height of the radiotherapy, the air sac ring 11 is continuously extruded to discharge air to the working box 5 and drive the piston plate 9 to move, after one side of the holding plate 603 is brought into contact with the head, the first elastic member 602 is compressed;
s5: when the bed plate 4 moves upwards to the height of the treatment to be radiated, the L-shaped plate 13 applies force to the tops of the upper pressing plate 122 and the lower pressing plate 122 of the working box 5, so that the lower pressing plate 122 moves downwards and applies force to the baffle plate 12, the baffle plate 12 blocks the air inlet 10, and gas is prevented from flowing out or entering, so that the piston plate 9 moves, and after the baffle plate 12 is reset and rotates, the first rotating rod 121 drives the second rotating rod 141 to rotate reversely through the bevel gear set, so that the two second sleeves 15 on the second rotating rod 141 are relatively close to each other, the limiting plate 16 is in contact with the inner wall of the guide tube 604, the fixing strip 161 is clamped in the fixing groove 6041, so that the guide tube 604 is prevented from moving continuously, the clamping plate 603 is positioned, at the moment, the clamping plate 603 is adapted to the head of a patient, the patient is prevented from shaking in the radiation treatment, the treatment effect is prevented, and then the treatment couch 2 is sent into the treatment chamber 1 for radiation treatment.
The invention only controls the driving motor 7 to operate, so that the bed plate 4 is lifted and lowered to facilitate the carrying of the patient by the medical staff, and the turnover of the handrail 402 and the clamping of the head of the patient can be realized in the process, thereby facilitating the improvement of the working efficiency of the radiotherapy of the patient, the reduction of the working difficulty of the radiotherapy of the patient and the reduction of the workload of the medical staff.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A device for radiotherapy comprises a treatment cabin (1) and a treatment bed (2) which is connected with the treatment cabin (1) in a sliding way, it is characterized in that the treatment bed (2) comprises a base (3) and a bed board (4), the base (3) is connected with the treatment cabin (1) in a sliding way, a lifting mechanism is arranged between the base (3) and the bed board (4), a rotating shaft (401) is connected in the bed plate (4) in a rotating way, a handrail (402) is arranged on the rotating shaft (401), the lifting mechanism drives the handrail (402) to rotate through the transmission component, both sides of the top of the bed plate (4) are connected with the working box (5) through the support, the working box (5) is provided with a pneumatic mechanism, the output end of the pneumatic mechanism is connected with a clamping seat (6) for clamping the head, and a self-positioning mechanism for limiting the clamping seat (6) is further arranged in the working box (5).
2. A device for radiation therapy according to claim 1, characterized in that said lifting mechanism comprises a swivelling lever (701) journalled in a base (3) via bearings, a first bevel gear (7011) is fixedly arranged on the rotating rod (701), a second bevel gear (7021) is meshed and connected with the outer wall of the first bevel gear (7011), the second bevel gear (7021) is connected with a first screw rod (702), the first screw rod (702) is rotationally connected with the base (3), a first sleeve (7022) is connected to the outer wall of the first screw rod (702) in a threaded manner, a supporting plate (703) is fixedly connected to the first sleeve (7022), one end of the supporting plate (703) far away from the first sleeve (7022) is fixedly connected with the bed plate (4), the lifting mechanism also comprises a driving motor (7) fixedly arranged on the base (3), the output end of the driving motor (7) penetrates through the base (3) and is connected with the rotating rod (701).
3. The device for radiotherapy according to claim 2, wherein the transmission assembly comprises a telescopic rod (8) fixedly connected with the first lead screw (702), one end of the telescopic rod (8) far away from the first lead screw (702) is connected with a small gear (801), the outer wall of the small gear (801) is connected with a large gear (802) in a meshing manner, the large gear (802) is connected with a rotating shaft (803), the rotating shaft (803) is rotatably connected in the bed plate (4), a third bevel gear (804) is fixedly arranged on the rotating shaft (803), the outer wall of the third bevel gear (804) is connected with a fourth bevel gear (805) in a meshing manner, and the fourth bevel gear (805) is fixedly connected with the rotating shaft (401).
4. The device for radiotherapy according to claim 2, wherein the pneumatic mechanism comprises a pneumatic assembly and an airbag assembly, the pneumatic assembly comprises a piston plate (9) slidably connected in the working box (5), a moving rod (901) is fixedly arranged on the piston plate (9), one end of the moving rod (901), which is far away from the piston plate (9), penetrates through the working box (5) and is connected with the clamping seat (6), a second elastic element (9011) is sleeved on the moving rod (901), and two ends of the second elastic element (9011) are respectively connected with the piston plate (9) and the inner wall of the working box (5).
5. The device for radiotherapy according to claim 4, wherein the airbag assembly comprises an air inlet (10) arranged on the work box (5), the air inlet (10) is communicated with an air guide tube (111), one end, away from the air inlet (10), of the air guide tube (111) is connected with an airbag ring (11), the airbag ring (11) is sleeved on the first screw rod (702), the end portion of the first screw rod (702) is provided with a top plate (7023), and two ends of the airbag ring (11) are respectively connected with the top plate (7023) and the first sleeve (7022).
6. The device for radiotherapy according to claim 4, characterized in that the holder (6) comprises a connecting plate (601) fixedly connected to the moving rod (901), a first elastic element (602) is connected to the connecting plate (601), a holding plate (603) is connected to an end of the first elastic element (602) far away from the connecting plate (601), a guide tube (604) is disposed on the holding plate (603), the guide tube (604) is slidably connected in the connecting plate (601), and a sponge pad (605) is further bonded to the holding plate (603).
7. The device for radiotherapy according to claim 5, wherein the self-positioning mechanism comprises a first positioning assembly, a second positioning assembly and a bevel gear set for connecting the first positioning assembly and the second positioning assembly, the first positioning assembly comprises a baffle (12) for blocking the air inlet (10), a first rotating rod (121) is arranged on the baffle (12), the first rotating rod (121) is rotatably connected with the working box (5), a torsion spring for resetting and rotating the baffle (12) is sleeved on the outer wall of the first rotating rod (121), a lower pressing plate (122) is slidably connected in the working box (5), a third elastic element (123) is arranged between the lower pressing plate (122) and the working box (5), the lower pressing plate (122) movably abuts against the baffle (12), the first positioning assembly further comprises an L-shaped plate (13) fixedly connected with the base (3), the top of the lower pressing plate (122) is movably abutted against the L-shaped plate (13).
8. The device according to claim 7, wherein the second positioning assembly comprises a fixed block (14) fixed on the work box (5), the fixed block (14) is rotatably connected with a second rotating rod (141), the second rotating rod (141) is arranged in the guide tube (604), two external threads (1411) with opposite rotating directions are fixed on the second rotating rod (141), a second sleeve (15) is connected to the external threads (1411) in a threaded manner, swinging rods (151) are rotatably connected to the two second sleeves (15) through pin shafts, a limiting plate (16) is rotatably connected between the two swinging rods (151), a fixing strip (161) is arranged on the limiting plate (16), a fixing groove (6041) matched with the fixing strip (161) is formed in the inner wall of the guide tube (604), and the bevel gear set comprises a fifth bevel gear (1211) and a sixth bevel gear (1211) engaged with the fifth bevel gear (1211) 1412) The fifth bevel gear (1211) is fixedly connected with the first rotating rod (121), and the sixth bevel gear (1412) is fixedly connected with the second rotating rod (141).
9. A device for radiation therapy according to claim 1, characterized in that the treatment cabin (1) is provided with a rotatable radiation source assembly, the radiation source assembly comprises a multi-blade collimator, a radiation source table and a radiation source, the radiation source is arranged in the radiation source table, the radiation source table is connected with the treatment cabin through a rotating device, a bore hole matched with the radiation source is arranged in the radiation source table, and the treatment couch (2) is provided with a receiving detection plate matched with the radiation source assembly.
10. A method of using the apparatus for radiation therapy according to any one of claims 1 to 9, comprising the steps of:
s1: when a critically ill patient needs radiotherapy, medical staff controls the driving motor (7) to operate, so that the output end of the driving motor (7) drives the rotating rod (701) to rotate, the rotating rod (701) drives the first bevel gear (7011) to be meshed with the second bevel gear (7021) on the first screw rod (702) when rotating, the first screw rod (702) rotates, the first sleeve (7022) moves downwards on the outer side of the first screw rod (702) when rotating, and the bed plate (4) is driven to move downwards through the supporting plate (703), so that the height of the treatment bed (2) is reduced;
s2: the first screw rod (702) can drive the telescopic rod (8) at the end part to rotate when rotating, the telescopic rod (8) can drive the pinion (801) to be meshed with the gearwheel (802) on the rotating shaft (803) when rotating, the rotating shaft (803) can rotate and drive the third bevel gear (804) to be meshed with the fourth bevel gear (805) on the rotating shaft (401), and the rotating shaft (401) can drive the handrail (402) to deflect;
s3: then the driving motor (7) is controlled to rotate reversely, the first screw rod (702) is rotated, the first sleeve (7022) moves upwards on the outer side of the first screw rod, and the first sleeve (7022) drives the bed plate (4) and a patient on the bed plate (4) to move upwards to the height to be treated by radiotherapy through the supporting plate (703);
s4: when moving upwards, the first sleeve (7022) extrudes an air bag ring (11) sleeved on the first screw rod (702), air in the air bag ring (11) is discharged into the working box (5) through the air guide pipe (111), the baffle (12) of the air inlet (10) is forced to rotate and drives the first rotating rod (121) to rotate, when the first rotating rod (121) rotates, the second rotating rod (141) rotates through meshing between the bevel gear sets, and two second sleeves (15) on the second rotating rod (141) are relatively far away, so that the limiting plate (16) is not clamped on the inner wall of the guide pipe (604), air in the air bag ring (11) passes through the air inlet (10) to enter the working box (5) and can exert force on the piston plate (9), the piston plate (9) is forced to move and pushes the clamping seat (6) to move towards the head of a patient through the moving rod (901) to clamp and limit the head, in the process, the clamping plate (603) can be firstly contacted with the head of a patient, at the moment, because the bed plate (4) is not moved to the height to be subjected to radiotherapy, the air bag ring (11) is continuously extruded to discharge air to the working box (5) and drive the piston plate (9) to move, so that the first elastic element (602) is compressed after one side of the clamping plate (603) is contacted with the head;
s5: when the bed plate (4) moves upwards to the height to be treated by radiotherapy, the L-shaped plate (13) applies force to the tops of the upper pressing plate (122) and the lower pressing plate (122) of the working box (5), so that the lower pressing plate (122) moves downwards and applies force to the baffle (12), the baffle (12) blocks the air inlet (10), the piston plate (9) is not stressed to move any more, the baffle (12) resets and rotates, the first rotating rod (121) drives the second rotating rod (141) to rotate reversely through the bevel gear set, two second sleeves (15) on the second rotating rod (141) are relatively close, the limiting plate (16) is in contact with the inner wall of the guide pipe (604), the fixing strip (161) is clamped in the fixing groove (6041), the guide pipe (604) is prevented from moving continuously, the clamping plate (603) is positioned, the clamping plate (603) is adapted to the head of a patient, and then the treatment bed (2) is conveyed into the treatment bin (1), radiation therapy is performed.
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| CN202210292884.7A CN114569902B (en) | 2022-03-23 | 2022-03-23 | Device for radiotherapy and use method thereof |
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| CN114569902B (en) | 2022-10-04 |
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