CN117065234A - Breast cancer radiotherapy fixed equipment - Google Patents
Breast cancer radiotherapy fixed equipment Download PDFInfo
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- CN117065234A CN117065234A CN202311213231.6A CN202311213231A CN117065234A CN 117065234 A CN117065234 A CN 117065234A CN 202311213231 A CN202311213231 A CN 202311213231A CN 117065234 A CN117065234 A CN 117065234A
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- bed body
- breast cancer
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 29
- 206010006187 Breast cancer Diseases 0.000 title claims abstract description 22
- 208000026310 Breast neoplasm Diseases 0.000 title claims abstract description 22
- 239000000725 suspension Substances 0.000 claims description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 210000001513 elbow Anatomy 0.000 description 5
- 210000000245 forearm Anatomy 0.000 description 5
- 210000000707 wrist Anatomy 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention belongs to the technical field of medical equipment, and particularly relates to breast cancer radiotherapy fixing equipment, which comprises the following components: the bed body is sequentially provided with an upper body fixing device, a waist and leg fixing device and a foot pedal, and the foot pedal is fixedly connected with the end part of the bed body; the upper body fixing device comprises a pitching plate, one end of the pitching plate is hinged with the middle part of the bed body through two symmetrically arranged hinge columns, the hinge columns are fixedly connected with the middle part of the bed body, one end of a first telescopic rod is hinged at the bottom of the other end of the pitching plate, and the other end of the first telescopic rod is hinged with the top of the bed body; the back deformation supporting component is used for deforming according to the back morphology of different patients and supporting and fixing the back of the patients. The back deformation supporting component deforms according to back forms of different patients, so that the body of the patient is fixed more firmly when lying on the back, and back form data of the patient are recorded.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to breast cancer radiotherapy fixing equipment.
Background
Studies have shown that breast cancer is the first major tumor threatening female health, and radiation therapy is one of the most important treatment means for breast cancer, and a recognized difficulty in breast cancer radiotherapy is fixation of the breast of a patient, which is mainly caused by that breast tissue is soft tissue, and movements of shoulders, large arms, elbows, small arms, wrists and the like may cause positional deviation, so that fixation is extremely inconvenient.
At present, when breast cancer radiotherapy is carried out, a patient usually adopts a supine position to lie on a radiotherapy table, two sides of the head end on the radiotherapy table are provided with a pair of brackets for supporting a big arm, and the middle part of the head end is provided with a pair of holding rods for holding by hands; after the patient lies down, lift the both arms, with the big arm bearing in holding the groove, the forearm crooked and grasp the pole of holding, fix shoulder, big arm, elbow, forearm, wrist etc. through this kind of mode, but when the patient adopts the position of lying on the back to lie on the radiotherapy bench, the back often can only imbed in the recess of seting up in advance on the radiotherapy bench, this kind of recess form is fixed, can not change according to different patient's specific circumstances, and then produce extrusion or pulling to patient's back muscle and skin tissue easily, on the one hand influence patient's health's travelling comfort when lying on the back, on the other hand also influence parts such as fixed shoulder, big arm, elbow, forearm, wrist easily, and radiotherapy process cycle is long, often last more than half month, patient's position difference of lying on the back at every turn also influences the position precision easily. Thus, there is a need for a fixation device for breast cancer radiotherapy.
Disclosure of Invention
The invention aims to provide a breast cancer radiotherapy fixing device which aims to solve the problems.
In order to achieve the above object, the present invention provides the following solutions:
a breast cancer radiotherapy fixture, comprising: the bed body is sequentially provided with an upper body fixing device, a waist and leg fixing device and a foot pedal, and the foot pedal is fixedly connected with the end part of the bed body;
the upper body fixing device comprises a pitching plate, one end of the pitching plate is hinged with the middle of the bed body through two symmetrically arranged hinge columns, the hinge columns are fixedly connected with the middle of the bed body, one end of a first telescopic rod is hinged at the bottom of the other end of the pitching plate, and the other end of the first telescopic rod is hinged with the top of the bed body;
the back deformation supporting component is used for deforming according to back morphologies of different patients and supporting and fixing the back of the patients.
Preferably, the back deformation supporting component comprises a plurality of pneumatic suspension positioning devices, the plurality of pneumatic suspension positioning devices are arranged in a matrix, the fixed ends of the pneumatic suspension positioning devices are fixedly connected with the pitching plate, the movable ends of the plurality of pneumatic suspension positioning devices are fixedly connected to the bottom of the same air cushion, and the air cushion is communicated with the plurality of pneumatic suspension positioning devices;
the pneumatic suspension positioning devices are movably arranged in the first through grooves, and the first through grooves penetrate through the bed body.
Preferably, the pneumatic suspension positioning device comprises a shell, wherein the top of the shell is fixedly connected with the bottom of the pitching plate, a piston is slidably connected in the middle of the shell, a sliding column is fixedly connected with the axis of the top of the piston, the sliding column penetrates through the top of the shell and the pitching plate, the top of the sliding column is movably connected with the bottom end of a variable-angle bearing part, and the top end of the variable-angle bearing part is fixedly connected with the bottom of the air cushion;
an elastic part is arranged between the top of the piston and the inner wall of the shell;
the bottom of the shell is communicated with an air inlet component and an air outlet component, and the air outlet component is communicated with the air cushion.
Preferably, the variable-angle bearing part comprises a movable plate, the bottom axle center of the movable plate is fixedly connected with the top end of a hemispherical boss, the hemispherical boss is in spherical hinge joint with the top of the sliding column, the hemispherical boss is in transmission connection with a universal driving part, and the universal driving part is arranged at the top of the sliding column;
the center of the bottom of the hemispherical boss is embedded with a counterweight iron block;
a magnet is embedded in the center of the top of the sliding column, and the magnet is in magnetic attraction fit with the counterweight iron block;
the hemispherical boss axle center, the counterweight iron block axle center and the magnet axle center are positioned on the same straight line.
Preferably, the universal driving part comprises a first rotating column and a second rotating column, the first rotating column and the second rotating column are vertically arranged in space, the first rotating column and the second rotating column are in friction contact with the side wall of the hemispherical boss, an output shaft of a first stepping motor is fixedly connected with the axis of the first rotating column, and an output shaft of a second stepping motor is fixedly connected with the axis of the second rotating column.
Preferably, the elastic part comprises a spring, one end of the spring is fixedly connected with the inner wall of the shell, the other end of the spring is fixedly connected with the top of the piston, and the spring is coaxially sleeved on the outer side of the sliding column.
Preferably, the air inlet component comprises an air pump, an air outlet end of the air pump is communicated with the bottom of the shell, and an air flowmeter for measuring air inflow and a barometer for measuring air pressure inside the shell are sequentially arranged at the air outlet end of the air pump.
Preferably, the exhaust assembly comprises an exhaust pipe, the air inlet end of the exhaust pipe is communicated with the bottom of the shell, the air outlet ends of a plurality of exhaust pipes are communicated with the middle part of a ventilation main pipe, one end of the ventilation main pipe is communicated with the air inlet end of an air inlet pipe, the air outlet end of the air inlet pipe is communicated with one end of an air cushion, the other end of the air cushion is communicated with the air inlet end of an air return pipe, and the air outlet end of the air return pipe is communicated with one end, far away from the air inlet pipe, of the ventilation main pipe;
an electromagnetic valve for controlling the on-off of the gas path is arranged at the gas inlet end of the exhaust pipe.
Preferably, the waist and leg fixing device comprises a leg supporting plate, the leg supporting plate is fixedly connected with the top of the bed body, a waist arch plate is movably arranged at one end, close to the hinge post, of the leg supporting plate, sliding blocks are fixedly connected at two ends of the waist arch plate respectively, the two sliding blocks are in threaded connection with two ends of a bidirectional threaded rod, a second through groove for the waist arch plate to move is formed in the leg supporting plate, the second through groove penetrates through the bed body, sliding grooves for the sliding blocks to horizontally slide are formed in the side walls of the second through grooves, which are arranged opposite to each other, and the sliding grooves are formed in the leg supporting plate;
the sliding block is characterized in that positioning holes for clamping are respectively formed in the front side and the rear side of the sliding block, a plurality of through holes for the pins to pass through are formed in the side wall of the sliding groove along the length direction, and the pins are in limit fit with the positioning holes.
Preferably, the neck pillow part comprises a second telescopic rod, wherein the fixed end of the second telescopic rod is fixedly connected with the top of the pitching plate, and the movable end of the second telescopic rod is fixedly connected with a neck pillow.
Compared with the prior art, the invention has the following advantages and technical effects:
when the back deformation support assembly is used, after the back of a patient is contacted with the back deformation support assembly, the back deformation support assembly is deformed to be matched with the back of the patient, the deformation can be recorded, the back of the patient is wholly embedded on the back deformation support assembly, then the upper body of the patient is fixed through the back deformation support assembly, the existing shoulder, big arm, elbow, forearm and wrist fixing devices are matched, the whole fixation of the upper body of the patient is realized, the back deformation support assembly deforms according to the back shape of different patients, the fixation is firmer, the back shape data of the patient is recorded, the positioning and fixation of the patient in next radiotherapy are convenient, and the accuracy of the body tissue outside the body region is further improved.
Drawings
For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic view of the upper body fixing device of the present invention;
FIG. 4 is a schematic view of the waist and leg fixing device according to the present invention;
FIG. 5 is a schematic view of the pneumatic suspension positioning device of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5A in accordance with the present invention;
FIG. 7 is a schematic view of the cross-sectional structure B-B of FIG. 6 according to the present invention;
wherein, 1, a bed body; 2. a pitching plate; 3. a headrest; 4. a first telescopic rod; 5. neck pillow; 6. a second telescopic rod; 7. an air cushion; 8. an air inlet pipe; 9. an air return pipe; 10. a ventilation manifold; 11. pneumatic suspension positioning device; 12. a hinge post; 13. leg support plates; 14. a chute; 15. waist arch board; 16. a slide block; 17. positioning holes; 18. a two-way threaded rod; 19. a first through groove; 20. foot pedal; 21. a second through groove; 1101. a sliding column; 1102. a housing; 1103. a spring; 1104. a piston; 1105. an exhaust pipe; 1106. an electromagnetic valve; 1107. an air pump; 1108. a gas flow meter; 1109. a barometer; 1110. a movable plate; 1111. hemispherical boss; 1112. a first rotating column; 1113. a first stepping motor; 1114. a second stepping motor; 1115. a second rotating column; 1116. a counterweight iron block; 1117. and (3) a magnet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 7, the present invention discloses a breast cancer radiotherapy fixing apparatus, comprising: the bed body 1, the bed body 1 is sequentially provided with an upper body fixing device, a waist and leg fixing device and a foot pedal 20, and the foot pedal 20 is fixedly connected with the end part of the bed body 1;
the upper body fixing device comprises a pitching plate 2, one end of the pitching plate 2 is hinged with the middle part of the bed body 1 through two symmetrically arranged hinge columns 12, the hinge columns 12 are fixedly connected with the middle part of the bed body 1, one end of a first telescopic rod 4 is hinged at the bottom of the other end of the pitching plate 2, and the other end of the first telescopic rod 4 is hinged with the top of the bed body 1;
the back bending and bending plate 2 is sequentially provided with a headrest 3, a neck pillow and a back bending and bending support assembly, the headrest 3 is close to the first telescopic rod 4, the headrest 3 is fixedly connected with the top of the back bending and bending plate 2, and the back bending and bending support assembly is used for bending and bending back according to back shapes of different patients and fixing the back of the patients.
When the patient is in use, the patient lies on the bed body 1, the feet of the patient are placed on the foot pedal 20, the legs of the patient are fixed on the waist-leg fixing device, the patient lies on the back deformation supporting component, the pitching angle of the pitching plate 2 is changed through the length change of the first telescopic rod 4, the pitching angle of the upper body of the patient is adjusted, the neck of the patient is fixed on the neck pillow, the head is fixed on the headrest 3, after the back of the patient is contacted with the back deformation supporting component, the patient enables the back deformation supporting component to generate deformation matched with the back of the patient, the deformation can be recorded, the back of the patient is integrally embedded on the back deformation supporting component, then the upper body of the patient is fixed through the back deformation supporting component, and the existing shoulder, the big arm, the elbow, the forearm and the wrist fixing device are matched, so that the integral fixing of the upper body of the patient is realized.
Further optimizing scheme, the back deformation supporting component comprises a plurality of pneumatic suspension positioning devices 11, the plurality of pneumatic suspension positioning devices 11 are arranged in a matrix, the fixed ends of the pneumatic suspension positioning devices 11 are fixedly connected with the pitching plate 2, the movable ends of the plurality of pneumatic suspension positioning devices 11 are fixedly connected to the bottom of the same air cushion 7, and the air cushion 7 is communicated with the plurality of pneumatic suspension positioning devices 11;
the pneumatic suspension positioning devices 11 are movably arranged in the first through groove 19, and the first through groove 19 penetrates through the bed body 1.
The patient lies on the back on the air cushion 7, and the air cushion 7 is filled with air, so that the comfort level of the patient during treatment is improved, but the positioning of the patient is not affected by the thickness of the air cushion 7.
When the patient lies on the back, the back shape of the patient can be transferred to a plurality of pneumatic suspension positioning devices 11 below the air cushion 7, and the movable ends of the pneumatic suspension positioning devices 11 at the corresponding extrusion relative positions of the back of the patient can generate compression amounts with different degrees at the movable ends of the pneumatic suspension positioning devices 11, so that the plurality of pneumatic suspension positioning devices 11 are changed along with the back shape of the patient.
Further optimizing scheme, the pneumatic suspension positioning device 11 comprises a housing 1102, the top of the housing 1102 is fixedly connected with the bottom of the pitching plate 2, a piston 1104 is slidably connected in the middle of the housing 1102, a sliding column 1101 is fixedly connected with the axle center of the top of the piston 1104, the sliding column 1101 penetrates through the top of the housing 1102 and the pitching plate 2, the top of the sliding column 1101 is movably connected with the bottom end of a variable-angle bearing part, and the top end of the variable-angle bearing part is fixedly connected with the bottom of the air cushion 7;
an elastic part is arranged between the top of the piston 1104 and the inner wall of the housing 1102;
the bottom of the housing 1102 is communicated with an air inlet assembly and an air outlet assembly, and the air outlet assembly is communicated with the air cushion 7.
Further optimizing scheme, the variable-angle bearing part comprises a movable plate 1110, the bottom axle center of the movable plate 1110 is fixedly connected with the top end of a hemispherical boss 1111, the hemispherical boss 1111 is spherically hinged with the top of the sliding column 1101, the hemispherical boss 1111 is in transmission connection with a universal driving part, and the universal driving part is arranged at the top of the sliding column 1101;
a counterweight iron block 1116 is embedded in the center of the bottom of the hemispherical boss 1111;
a magnet 1117 is embedded in the center of the top of the sliding column 1101, and the magnet 1117 is in magnetic attraction fit with the counterweight iron block 1116;
the axis of the hemispherical boss 1111, the axis of the counterweight block 1116 and the axis of the magnet 1117 are on the same straight line.
The pitching plate 2 is provided with a plurality of abdicating grooves (not shown in the figure), the plurality of abdicating grooves are in one-to-one correspondence with the plurality of movable plates 1110, and when the abdicating grooves are used for the deflection of the movable plates 1110, the movable plates 1110 and the pitching plate 2 do not interfere.
Further, the universal driving part comprises a first rotating column 1112 and a second rotating column 1115, the first rotating column 1112 and the second rotating column 1115 are vertically arranged in space, the first rotating column 1112 and the second rotating column 1115 are in friction contact with the side wall of the hemispherical boss 1111, the axis of the first rotating column 1112 is fixedly connected with the output shaft of the first stepping motor 1113, and the axis of the second rotating column 1115 is fixedly connected with the output shaft of the second stepping motor 1114.
Further preferably, the elastic part comprises a spring 1103, one end of the spring 1103 is fixedly connected with the inner wall of the housing 1102, the other end of the spring 1103 is fixedly connected with the top of the piston 1104, and the spring 1103 is coaxially sleeved outside the sliding column 1101.
Further optimizing scheme, the subassembly that admits air includes air pump 1107, and the end of giving vent to anger of air pump 1107 communicates with the shell 1102 bottom, is equipped with the gas flowmeter 1108 that is used for measuring the air input and is used for measuring the inside barometer 1109 of shell 1102 in proper order on the end of giving vent to anger of air pump 1107.
In a further optimized scheme, the exhaust assembly comprises an exhaust pipe 1105, the air inlet ends of the exhaust pipe 1105 are communicated with the bottom of the shell 1102, the air outlet ends of a plurality of exhaust pipes 1105 are communicated with the middle part of a ventilation main pipe 10, one end of the ventilation main pipe 10 is communicated with the air inlet end of an air inlet pipe 8, the air outlet end of the air inlet pipe 8 is communicated with one end of an air cushion 7, the other end of the air cushion 7 is communicated with the air inlet end of an air return pipe 9, and the air outlet end of the air return pipe 9 is communicated with one end, far away from the air inlet pipe 8, of the ventilation main pipe 10;
the air inlet end of the exhaust pipe 1105 is provided with a solenoid valve 1106 for controlling the on-off of the air path.
When the patient lies on the back, the movable plate 1110 at the topmost end contacts with the back of the patient, and changes the inclination direction along with the back form of the patient, the hemispherical boss 1111 at the bottom of the movable plate 1110 is spherically hinged with the top of the sliding column 1101, when the hemispherical boss 1111 rotates, the hemispherical boss 1111 rubs the first rotating column 1112 and the second rotating column 1115 to rotate through friction force, the first rotating column 1112 and the second rotating column 1115 are vertically arranged in space, the movements of the hemispherical boss 1111 in the X-axis and Y-axis directions are respectively recorded, when the first rotating column 1112 and the second rotating column 1115 rotate, the rotating shafts of the corresponding first stepping motor 1113 and the second stepping motor 1114 are respectively driven to rotate, the rotating angles of the hemispherical boss 1111 can be fed back to the controller through the first stepping motor 1113 and the second stepping motor 1114, and other external components such as encoders for feeding back the rotating shaft positions of the stepping motors are respectively arranged on the first stepping motor 1113 and the second stepping motor 1114, and the first stepping motor 1113 and the second stepping motor 1114 are arranged in order to realize angle feedback of the rotating shafts of the stepping motors.
The controller is preferably a PLC programmable controller, and after the first stepper motor 1113 and the second stepper motor 1114 feed back the angle, the controller records the angle data, and the controller can drive the rotation shafts of the first stepper motor 1113 and the second stepper motor 1114 to rotate according to the angle data, so as to drive the hemispherical boss 1111 to change from the initial state to the designated angle.
In the initial state, a patient lies on the back on the air cushion 7, then the electromagnetic valve 1106 of each pneumatic suspension positioning device 11 is opened, the air pump 1107 of each pneumatic suspension positioning device 11 is opened, air is pumped into the outer shell 1102, after being discharged through the exhaust pipe 1105, the air enters the air inlet pipe 8, the air cushion 7 and the air inlet pipe 8 in sequence and returns to the air inlet pipe 10, air pressure is formed in the air cushion 7 and each outer shell 1102, the back of the patient is supported, after the air pressure in the air cushion 7 and the air pressure in each outer shell 1102 are stable, each electromagnetic valve 1106 is closed, the air pump 1107 stops pumping, at the moment, the air pressure in each outer shell 1102 is obtained through the air pressure meter 1109 arranged in each pneumatic suspension positioning device 11, and the air pressure in each outer shell 1102 is recorded and transmitted to the controller.
The air pump 1107 of a certain pneumatic suspension positioning device 11 can be independently started to continuously supplement air into the shell 1102, increase the internal air pressure, and change the extension length of the sliding column 1101 so as to adjust the support of a certain position of the back of a patient and further strengthen the fixing effect.
An exhaust hole communicated with the outside is further formed in one side of the bottom of the housing 1102, an electromagnetic valve for controlling on-off of the air path is also arranged in the exhaust hole, and the exhaust hole is used for exhausting air in the housing 1102.
In the initial state, the spring 1103 is of an initial length, when the air pump 1107 injects air into the bottom of the housing 1102, the piston 1104 is pushed to move upwards by the increase of air pressure, so that the spring 1103 is compressed, after the patient leaves, the air in the housing 1102 is discharged, the spring 1103 returns to the initial length, and the piston 1104 is reset.
After the patient leaves, the hemispherical boss 1111 drives the movable plate 1110 to recover the horizontal angle under the action of the counterweight iron block 1116 embedded at the bottom, meanwhile, the counterweight iron block 1116 is magnetically connected with the magnet 1117, and when the patient lies on the back next time, or the first rotating column 1112 and the second rotating column 1115 rotate to drive the hemispherical boss 1111 to change the angle, the counterweight iron block 1116 is separated from the magnet 1117.
In the initial state, each movable plate 1110 is horizontally arranged, then a patient lies on each movable plate 1110, the movable plate 1110 of each pneumatic suspension positioning device 11 can generate different angle changes according to different positions of the back of the patient, the controller records the rotation angle of each movable plate 1110, when the patient is subjected to radiotherapy next time, the controller controls each movable plate 1110 to generate angle changes by importing back data of the patient, and then back depressions matched with the patient can be generated, so that the patient can be conveniently and fixedly matched with the patient in radiotherapy next time.
When the patient is treated next time, the air pressure in each shell 1102 is adjusted, and the sliding column 1101 of each pneumatic suspension positioning device 11 extends out of different lengths according to the previous air pressure data, so that the air cushion 7 is matched with the back of the patient.
In a further optimized scheme, the waist and leg fixing device comprises a leg supporting plate 13, wherein the leg supporting plate 13 is fixedly connected with the top of the bed body 1, a waist arch plate 15 is movably arranged at one end, close to the hinge post 12, of the leg supporting plate 13, sliding blocks 16 are fixedly connected at two ends of the waist arch plate 15 respectively, the two sliding blocks 16 are in threaded connection with two ends of a bidirectional threaded rod 18, a second through groove 21 for the movement of the waist arch plate 15 is formed in the leg supporting plate 13, the second through groove 21 is formed in a way of penetrating through the bed body 1, sliding grooves 14 for the horizontal sliding of the sliding blocks 16 are formed in the side walls of the second through groove 21, which are oppositely arranged, and the sliding grooves 14 are formed in the leg supporting plate 13;
the front side and the rear side of the sliding block 16 are respectively provided with a positioning hole 17 for clamping, the side wall of the sliding groove 14 is provided with a plurality of through holes for the pins to pass through along the length direction, and the pins are in limit fit with the positioning holes 17.
The waist arch bar 15 is matched with the sliding blocks 16 through the sliding grooves 14, the horizontal position of the waist arch bar 15 on the leg supporting plate 13 is changed, and the waist arch bar is further suitable for different patients, meanwhile, the two sliding blocks 16 are made to be close to or far away from each other through rotating the bidirectional threaded rod 18, so that the arch degree of the waist arch bar 15 can be changed, and the waist arch bar can be changed according to different patients.
Further optimizing scheme, neck pillow portion includes second telescopic link 6, and the stiff end and the top rigid coupling of pitching plate 2 of second telescopic link 6, and the expansion end rigid coupling of second telescopic link 6 has neck pillow 5.
By changing the length of the second telescopic rod 6, the neck pillow 5 is contacted with the neck of the patient, and the neck of the patient is well supported and fixed.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements 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.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. A breast cancer radiotherapy fixture, comprising: the bed comprises a bed body (1), wherein an upper body fixing device, a waist and leg fixing device and a foot pedal (20) are sequentially arranged on the bed body (1), and the foot pedal (20) is fixedly connected with the end part of the bed body (1);
the upper body fixing device comprises a pitching plate (2), one end of the pitching plate (2) is hinged with the middle part of the bed body (1) through two symmetrically arranged hinge columns (12), the hinge columns (12) are fixedly connected with the middle part of the bed body (1), one end of a first telescopic rod (4) is hinged at the bottom of the other end of the pitching plate (2), and the other end of the first telescopic rod (4) is hinged with the top of the bed body (1);
the back deformation supporting component is used for deforming according to back morphologies of different patients and fixing the back of the patients.
2. A breast cancer radiotherapy fixture according to claim 1, wherein: the back deformation supporting component comprises a plurality of pneumatic suspension positioning devices (11), the pneumatic suspension positioning devices (11) are arranged in a matrix, the fixed ends of the pneumatic suspension positioning devices (11) are fixedly connected with the pitching plate (2), the movable ends of the pneumatic suspension positioning devices (11) are fixedly connected to the bottom of the same air cushion (7), and the air cushion (7) is communicated with the pneumatic suspension positioning devices (11);
the pneumatic suspension positioning devices (11) are movably arranged in the first through grooves (19), and the first through grooves (19) penetrate through the bed body (1).
3. A breast cancer radiotherapy fixture according to claim 2, wherein: the pneumatic suspension positioning device (11) comprises a shell (1102), the top of the shell (1102) is fixedly connected with the bottom of the pitching plate (2), a piston (1104) is slidably connected in the middle of the shell (1102), a sliding column (1101) is fixedly connected with the axle center of the top of the piston (1104), the sliding column (1101) penetrates through the top of the shell (1102) and the pitching plate (2), the top of the sliding column (1101) is movably connected with the bottom end of a variable-angle bearing part, and the top end of the variable-angle bearing part is fixedly connected with the bottom of the air cushion (7);
an elastic part is arranged between the top of the piston (1104) and the inner wall of the shell (1102);
the bottom of the shell (1102) is communicated with an air inlet component and an air outlet component, and the air outlet component is communicated with the air cushion (7).
4. A breast cancer radiotherapy fixture according to claim 3, wherein: the variable-angle bearing part comprises a movable plate (1110), the bottom axle center of the movable plate (1110) is fixedly connected with the top end of a hemispherical boss (1111), the hemispherical boss (1111) is spherically hinged with the top of the sliding column (1101), the hemispherical boss (1111) is in transmission connection with a universal driving part, and the universal driving part is arranged at the top of the sliding column (1101);
a counterweight iron block (1116) is embedded in the bottom center of the hemispherical boss (1111);
a magnet (1117) is embedded in the center of the top of the sliding column (1101), and the magnet (1117) is in magnetic attraction fit with the counterweight iron block (1116);
the axle center of the hemispherical boss (1111), the axle center of the counterweight iron block (1116) and the axle center of the magnet (1117) are positioned on the same straight line.
5. The breast cancer radiotherapy fixture of claim 4, wherein: the universal driving part comprises a first rotating column (1112) and a second rotating column (1115), the first rotating column (1112) and the second rotating column (1115) are vertically arranged in space, the first rotating column (1112) and the second rotating column (1115) are in friction contact with the side wall of the hemispherical boss (1111), the axis center of the first rotating column (1112) is fixedly connected with the output shaft of a first stepping motor (1113), and the axis center of the second rotating column (1115) is fixedly connected with the output shaft of a second stepping motor (1114).
6. The breast cancer radiotherapy fixture of claim 4, wherein: the elastic part comprises a spring (1103), one end of the spring (1103) is fixedly connected with the inner wall of the shell (1102), the other end of the spring (1103) is fixedly connected with the top of the piston (1104), and the spring (1103) is coaxially sleeved on the outer side of the sliding column (1101).
7. The breast cancer radiotherapy fixture of claim 4, wherein: the air inlet component comprises an air pump (1107), the air outlet end of the air pump (1107) is communicated with the bottom of the shell (1102), and an air flowmeter (1108) for measuring the air inflow and a barometer (1109) for measuring the air pressure inside the shell (1102) are sequentially arranged at the air outlet end of the air pump (1107).
8. The breast cancer radiotherapy fixture of claim 4, wherein: the exhaust assembly comprises an exhaust pipe (1105), wherein the air inlet end of the exhaust pipe (1105) is communicated with the bottom of the shell (1102), the air outlet ends of a plurality of exhaust pipes (1105) are communicated with the middle part of a ventilation manifold (10), one end of the ventilation manifold (10) is communicated with the air inlet end of an air inlet pipe (8), the air outlet end of the air inlet pipe (8) is communicated with one end of an air cushion (7), the other end of the air cushion (7) is communicated with the air inlet end of an air return pipe (9), and the air outlet end of the air return pipe (9) is communicated with one end, far away from the air inlet pipe (8), of the ventilation manifold (10);
an electromagnetic valve (1106) for controlling the on-off of the gas path is arranged at the gas inlet end of the exhaust pipe (1105).
9. A breast cancer radiotherapy fixture according to claim 1, wherein: the waist and leg fixing device comprises a leg supporting plate (13), the leg supporting plate (13) is fixedly connected with the top of the bed body (1), a waist arch plate (15) is movably arranged at one end of the leg supporting plate (13) close to the hinge column (12), sliding blocks (16) are fixedly connected at two ends of the waist arch plate (15) respectively, the two sliding blocks (16) are in threaded connection with two ends of a bidirectional threaded rod (18), a second through groove (21) for the movement of the waist arch plate (15) is formed in the leg supporting plate (13), the second through groove (21) penetrates through the bed body (1), sliding grooves (14) for the sliding blocks (16) to horizontally slide are formed in side walls of the second through groove (21) which are oppositely arranged, and the sliding grooves (14) are formed in the leg supporting plate (13);
the sliding block is characterized in that positioning holes (17) for clamping are respectively formed in the front side and the rear side of the sliding block (16), a plurality of through holes for the pins to pass through are formed in the side wall of the sliding groove (14) along the length direction, and the pins are in limit fit with the positioning holes (17).
10. A breast cancer radiotherapy fixture according to claim 1, wherein: the neck pillow part comprises a second telescopic rod (6), the fixed end of the second telescopic rod (6) is fixedly connected with the top of the pitching plate (2), and the movable end of the second telescopic rod (6) is fixedly connected with a neck pillow (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311213231.6A CN117065234A (en) | 2023-09-20 | 2023-09-20 | Breast cancer radiotherapy fixed equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311213231.6A CN117065234A (en) | 2023-09-20 | 2023-09-20 | Breast cancer radiotherapy fixed equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117065234A true CN117065234A (en) | 2023-11-17 |
Family
ID=88702486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311213231.6A Withdrawn CN117065234A (en) | 2023-09-20 | 2023-09-20 | Breast cancer radiotherapy fixed equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117065234A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117872605A (en) * | 2024-01-12 | 2024-04-12 | 玩出梦想(上海)科技有限公司 | Head-mounted equipment |
-
2023
- 2023-09-20 CN CN202311213231.6A patent/CN117065234A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117872605A (en) * | 2024-01-12 | 2024-04-12 | 玩出梦想(上海)科技有限公司 | Head-mounted equipment |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231117 |
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| WW01 | Invention patent application withdrawn after publication |