CN115518309A - Over-and-under type radiotherapy body frame - Google Patents
Over-and-under type radiotherapy body frame Download PDFInfo
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- CN115518309A CN115518309A CN202211311015.0A CN202211311015A CN115518309A CN 115518309 A CN115518309 A CN 115518309A CN 202211311015 A CN202211311015 A CN 202211311015A CN 115518309 A CN115518309 A CN 115518309A
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 31
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 18
- 241000219098 Parthenocissus Species 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 210000001835 viscera Anatomy 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 206010028980 Neoplasm Diseases 0.000 description 7
- 201000011510 cancer Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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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
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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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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
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Abstract
The invention discloses a lifting radiotherapy body frame, which comprises a movable lying plate; the base is arranged on the ground, and the base is connected with the movable lying plate through a lifting structure, a universal inclination angle adjusting structure and a translation supporting structure; the universal inclination angle adjusting structure comprises an X-axis inclination angle adjusting part for driving the movable lying plate to rotate and adjust by taking the first direction as an axis; the X-axis inclination angle adjusting part is perpendicular to the rotation axis of the Y-axis inclination angle adjusting part; the translation supporting structure can drive the movable lying plate to perform translation movement in the X-axis direction and the Y-axis direction. The universal inclination angle adjusting structure is favorable for overcoming the viscera displacement caused by the 'bag effect' and 'cylinder effect' of a human body when a patient lies on the movable lying plate, and the movable lying plate is controlled to be maintained at each inclination angle and kept through the structure capable of universally adjusting the inclination angle, so that the focus of the patient can be exposed in a radiated target area at a better angle.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a lifting type radiotherapy body frame.
Background
Radiotherapy is a treatment for cancer by killing cancer cells with ionizing radiation of high-energy rays of various energies to inhibit and kill cancer cells. Radiotherapy can be used alone, or in combination with surgery, chemotherapy, etc. as part of comprehensive treatment to improve the cure rate of cancer. Before the operation, a section of radiotherapy is firstly carried out to reduce the tumor volume, so that the patients who cannot be operated can strive for the chance of the operation. The effects of relieving compression, relieving pain and the like can be achieved for late-stage cancers through palliative radiotherapy.
The total amount of radiation that can be received by the human body is limited, the process of radiotherapy is irreversible, and excessive radiation dose can cause large side effects, so that the radiation is required to accurately irradiate the tumor focus area. The body part and the head part of a human body are greatly different in structure, and have no better rigid structure like a skull, the skin of the body part and tissues and organs in the body have relative motion when in radiotherapy positioning, and the body part and the tissues and organs are similar to a pocket filled with articles, and the relative motion exists between the pocket and the articles when in movement, and the phenomenon is called as 'pocket effect'; the body part of the human body is similar to a cylinder, and when the human body is put in place for radiotherapy, the internal organs can be driven to move along with the rotation of the human body, so that the phenomenon is called as a cylinder effect; the operation is complicated during the positioning process due to the 'bag effect' and 'cylinder effect' of the human body during the use process, and secondly, the distance between the human body and the radioactive source needs to be controlled so as to enable the focus to receive the radiation treatment at the accurate distance. In view of the above, it is necessary to provide a lifting radiotherapy body frame to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problems and provides a lifting type radiotherapy body frame, which can enable the focus of a patient body to be accurately positioned at a target area for radiotherapy by adjusting the inclination angle and the height of the body frame.
In order to achieve the purpose, the invention adopts the following technical scheme: a lifting radiotherapy body frame comprises a movable lying plate for lying during radiotherapy of a patient; the base is arranged on the ground, and the base is connected with the movable lying plate through a lifting structure, a universal inclination angle adjusting structure and a translation supporting structure;
the universal inclination angle adjusting structure comprises an X-axis inclination angle adjusting part for driving the movable lying plate to rotate and adjust by taking the first direction as an axis; the X-axis inclination angle adjusting part is perpendicular to the rotation axis of the Y-axis inclination angle adjusting part;
the translation supporting structure can drive the movable lying plate to perform translation movement in the X-axis direction and the Y-axis direction.
Furthermore, the universal inclination angle adjusting structure comprises three adjusting plates, namely an adjusting plate I, an adjusting plate II and an adjusting plate III from top to bottom, wherein an X-axis inclination angle adjusting part is formed between the adjusting plate I and the adjusting plate II; and a Y-axis inclination angle adjusting part is formed between the second adjusting plate and the third adjusting plate.
Furthermore, two ends of the middle part of the upper end surface of the two adjusting plates are respectively provided with a first supporting shaft seat, a second supporting shaft seat is arranged in the direction perpendicular to the midpoint of the connecting line of the three upper end surfaces of the adjusting plates and the two first supporting shaft seats, the connecting line of the two first supporting shaft seats forms an X-axis, and the connecting line of the two second supporting seats forms a Y-axis;
two ends of the lower end surface of the adjusting plate are provided with first supporting plates matched with the first supporting shaft seats, and the lower ends of the first supporting plates are rotatably connected with the first supporting shaft seats through shaft levers;
and two ends of the lower end surface of the second adjusting plate are provided with second supporting plates matched with the second supporting shaft seats, and the lower ends of the second supporting plates are rotatably connected with the second supporting shaft seats through shaft levers.
Furthermore, a first telescopic rod is arranged between the first adjusting plate and the second adjusting plate, the first telescopic rod is far away from the X axis, the lower end of the first telescopic rod is hinged with the second adjusting plate, and the upper end of the first telescopic rod is hinged with the first adjusting plate;
and a second telescopic rod is arranged between the second adjusting plate and the third adjusting plate, the second telescopic rod is far away from the Y-axis, the lower end of the second telescopic rod is hinged with the third adjusting plate, and the upper end of the second telescopic rod is hinged with the second adjusting plate.
Furthermore, at least two translation supporting structures are arranged between the first adjusting plate and the movable lying plate, and the two translation supporting structures share the pressure of the movable lying plate;
the translation bearing structure comprises a first screw rod and a second screw rod, the first screw rod and the second screw rod are arranged in the Y-axis direction, two ends of the first screw rod and the second screw rod are arranged on a first adjusting plate through shaft seats, a first fixing screw rod and a second fixing screw rod are respectively arranged on the shaft seats at the two ends of the first screw rod and the second screw rod, two Y-axis rails are all arranged in parallel with the Y-axis direction, a translation frame structure capable of moving in the Y-axis direction is arranged on the two Y-axis rails, a translation frame capable of moving in the X-axis direction is arranged on the translation frame structure, and the upper end face of the translation frame is connected with a movable lying plate.
Furthermore, the translation frame structure comprises a mounting plate, Y-axis sliding blocks are arranged on two sides of the mounting plate, two X-axis tracks are fixedly arranged on the mounting plate, a translation frame is connected between the two X-axis tracks in a sliding manner, and X-axis sliding blocks arranged in the X-axis tracks are arranged on two sides of the translation frame;
the translation frame structure also comprises a transmission gear structure, the transmission gear structure comprises a worm gear, a transmission shaft and a gear, and a rack meshed with the gear is arranged on the inner side of the translation frame;
the transmission shaft is rotatably connected to penetrate through the installation plate, a worm wheel is fixedly arranged at the lower end of the transmission shaft, a gear is fixedly arranged at the upper end of the transmission shaft, the worm wheel is arranged between the first screw rod and the second screw rod, and two sides of the worm wheel are respectively meshed with the first screw rod and the second screw rod simultaneously.
Furthermore, the upper end face of the translation frame is higher than the upper end face of the X-axis track, and one end of the first screw rod and one end of the second screw rod are both provided with servo motors used for driving.
Furthermore, an adjusting pillow, a shoulder baffle plate and a fixing belt are arranged on the upper end surface of the movable lying plate; keep off the shoulder board and be equipped with two and set up perpendicularly on the activity service creeper, adjust the distance that the pillow can adjust distance fender shoulder board, the fixed band both ends are fixed on the activity service creeper through the regulating block.
Furthermore, elevation structure sets up between base and regulating plate three, including a plurality of third telescopic links, and the third telescopic link lower extreme is fixed to be set up on the base, and the free end fixed connection of third telescopic link is on the bottom surface of regulating plate three.
Furthermore, an elastic corrugated frame is arranged between the base and the movable lying plate, the elastic corrugated frame surrounds the outer sides of the lifting structure, the universal inclination angle adjusting structure and the translation supporting structure, the periphery of the lower end of the elastic corrugated frame is connected with the base, the periphery of the upper end of the elastic corrugated frame is connected with the movable lying plate, and the elastic corrugated frame is provided with a folded corrugated section for extending or compressing the elastic corrugated frame to adjust the length.
Compared with the prior art, the invention has the beneficial effects that:
1. the universal inclination angle adjusting structure is favorable for overcoming the viscera displacement caused by the 'bag effect' and 'cylinder effect' of a human body when a patient lies on the movable lying plate, and the movable lying plate is controlled to be maintained at each inclination angle and kept through the structure capable of universally adjusting the inclination angle, so that the focus of the patient can be exposed in a radiated target area at a better angle.
2. Owing to be provided with translation bearing structure, utilize the lead screw of two parallels to carry out syntropy rotation or reverse rotation drive translation board and carry out accurate position control along X axle and Y axle to be convenient for make at patient's radiotherapy, carry out accurate aversion to the position of patient's focus, obtain better radiation therapy effect.
3. The patient can be fixed on the movable lying plate through the shoulder blocking plate and the fixing belt, and the displacement of the patient caused by the adjustment of the inclination angle is avoided.
Drawings
FIG. 1 is an isometric view of one of the present invention;
FIG. 2 is a schematic view of the internal structure of the shaft of the present invention;
FIG. 3 is an exploded view of the elevating radiotherapy body frame of the present invention;
FIG. 4 is an isometric view of the universal recliner structure of the present invention;
FIG. 5 is an exploded view of the gimbal tilt adjustment structure of the present invention;
in the figure: 1. a movable lying plate; 2. a base; 3. a lifting structure; 4. a universal tilt angle adjusting structure; 5. translating the support structure; 6. an X-axis inclination angle adjusting part; 7. a Y-axis inclination angle adjusting section; 8. a first adjusting plate; 9. a second adjusting plate; 10. a third adjusting plate; 11. a first support shaft seat; 12. a second support shaft seat; 13. a first support plate; 14. a second support plate; 15. a first telescopic rod; 16. a second telescopic rod; 17. a first screw rod; 18. a second screw rod; 19. a Y-axis track; 20. a translation frame structure; 21. a translation frame; 22. mounting a plate; 23. a Y-axis slider; 24. an X-axis orbit; 25. an X-axis slider; 26. a worm gear; 27. a drive shaft; 28. a gear; 29. a servo motor; 30. adjusting the pillow; 31. a shoulder guard; 32. fixing belts; 33. a third telescopic rod; 34. an elastic corrugated frame.
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.
A lifting radiotherapy body frame is shown in figure 1 and comprises a movable lying plate 1 for lying during radiotherapy of a patient; the base 2 is arranged on the ground, and the base 2 is connected with the movable lying plate 1 through a lifting structure 3, a universal inclination angle adjusting structure 4 and a translation supporting structure 5; be equipped with elasticity ripple frame 34 between base 2 and the activity service creeper 1, elasticity ripple frame 34 is around the outside at elevation structure 3, universal inclination adjustment structure 4, translation bearing structure 5, and its lower extreme is connected with base 2 all around, and the upper end is connected with activity service creeper 1 all around to elasticity ripple frame 34 has folding ripple section and supplies its extension or compression to adjust length.
The upper end surface of the movable lying plate 1 is provided with an adjusting pillow 30, a shoulder blocking plate 31 and a fixing belt 32; the utility model discloses a pillow, including activity service creeper 1, shoulder board 31, regulation pillow 30, the distance of distance shoulder board 31 can be adjusted to regulation pillow 30, fixed band 32 both ends are fixed on activity service creeper 1 through the regulating block, during the in-service use, the patient lies on activity service creeper 1, the shoulder supports on shoulder board 31, the head passes from between two shoulder boards 31, the head rests on regulation pillow 30, as shown in figure 1, be provided with the track that supplies regulation pillow 30 to remove on activity service creeper 1, in the use, can be according to patient's height difference, suitably change the position of pillow, with the use experience that improves the patient, then use fixed band 32 to tie up patient's trunk tightly fixed, it can be understood, in the in-service use, fixed band 32 can adopt the bandage that can adjust elasticity and fix, and the both ends of fixed band 32 are fixed on the regulating block, the regulating block is the slider that can lateral shifting adjusting position on activity service creeper 1, when needing the shift position, after pressing the unblock button, the regulating block can shift position in the track, thereby adapt to use with the fixed band of different stature's fixed band, thereby release fixed band's fixed effect is to patient's fixed band 32.
In order to overcome the viscera displacement caused by the 'capsular effect' and 'cylindrical effect' of a human body when a patient lies on the movable lying plate 1, the device is designed with a universal inclination angle adjusting structure 4, as shown in fig. 2 and 3, the universal inclination angle adjusting structure 4 comprises an X-axis inclination angle adjusting part 6 which drives the movable lying plate 1 to rotate and adjust by taking a first direction as an axis; the X-axis inclination angle adjusting part 6 is perpendicular to the rotation axis of the Y-axis inclination angle adjusting part 7, so that the inclination angle of the movable lying plate 1 can be adjusted in a controllable manner.
Specifically, as shown in fig. 2 and 3, the universal inclination angle adjusting structure 4 includes three adjusting plates, which are an adjusting plate one 8, an adjusting plate two 9, and an adjusting plate three 10 from top to bottom, and an X-axis inclination angle adjusting portion 6 is formed between the adjusting plate one 8 and the adjusting plate two 9; and a Y-axis inclination adjusting part is formed between the second adjusting plate 9 and the third adjusting plate 10. Two ends of the middle part of the upper side end face of the second adjusting plate 9 are respectively provided with a first supporting shaft seat 11, a second supporting shaft seat 12 is arranged in the direction vertical to the midpoint of the connecting line of the upper side end face of the third adjusting plate 10 and the two first supporting shaft seats 11, the connecting line of the two first supporting shaft seats 11 forms an X-axis, and the connecting line of the two second supporting seats forms a Y-axis;
two ends of the lower end face of the first adjusting plate 8 are provided with first supporting plates 13 matched with the first supporting shaft seats 11, and the lower ends of the first supporting plates 13 are rotatably connected with the first supporting shaft seats 11 through shaft rods; two ends of the lower end surface of the second adjusting plate 9 are provided with second supporting plates 14 matched with the second supporting shaft seats 12, and the lower ends of the second supporting plates 14 are rotatably connected with the second supporting shaft seats 12 through shaft rods. A first telescopic rod 15 is arranged between the first adjusting plate 8 and the second adjusting plate 9, the first telescopic rod 15 is far away from the X axis, the lower end of the first telescopic rod is hinged with the second adjusting plate 9, and the upper end of the first telescopic rod is hinged with the first adjusting plate 8; and a second telescopic rod 16 is arranged between the second adjusting plate 9 and the third adjusting plate 10, the second telescopic rod 16 is far away from the Y axis, the lower end of the second telescopic rod is hinged with the third adjusting plate 10, and the upper end of the second telescopic rod is hinged with the second adjusting plate 9. The first telescopic rod 15 and the second telescopic rod 16 can be electric telescopic rods.
In practical use, when the first telescopic rod 15 extends, the first telescopic rod can lift one side of the adjusting plate I8 to enable the adjusting plate I8 to incline at a certain angle along the X axis, and similarly, the first telescopic rod 15 can also contract to move, so that the adjusting plate I8 is controlled to rotate at a reverse angle by taking the X axis as the axis; in order to control the universal inclination angle adjustment of the movable lying plate 1 in a matched manner, the adjustment of the Y-axis inclination angle is required to be added, and similarly, the extension of the second telescopic rod 16 is controlled to lift up one side of the second adjusting plate 9, so that the second adjusting plate 9 and the first adjusting plate 8 on the upper part simultaneously carry out the inclination angle adjustment rotating along the Y axis, and the reverse inclination angle adjustment is carried out when the second telescopic rod 16 is contracted; therefore, in practical use, the movable lying plate 1 can be controlled to maintain various inclination angles by adjusting the angles of the X axis and the Y axis simultaneously, so that the internal organs of the patient lying on the movable lying plate 1 can move to a target area for radiotherapy at an optimal angle.
It can be understood that the universal inclination angle adjusting structure 4 can adjust various inclination angles of the patient fixedly lying on the upper side so as to overcome the complex operation influence caused by the 'bag effect' and the 'cylinder effect' in the positioning process; once the inclination angle is adjusted, the position is moved, that is, after the angle is adjusted, the whole patient may have moved out of the target area, so that the horizontal position of the patient needs to be adjusted twice.
Specifically, as shown in fig. 3, 4, and 5, the translation supporting structure 5 includes a first lead screw 17 and a second lead screw 18 which are arranged along the Y-axis direction, two ends of the first lead screw 17 and the second lead screw 18 are arranged on the first adjusting plate 8 through a shaft seat, one end of each of the first lead screw 17 and the second lead screw 18 is provided with a servo motor 29 for driving, the first lead screw 17 and the second lead screw 18 can be controlled to rotate in the same direction or in opposite directions by driving of the servo motor 29, and the servo motor 29 can provide high control precision, which is beneficial to improving accuracy of a moving position.
The shaft seats at two ends of the first fixed screw rod 17 and the second fixed screw rod 18 are respectively fixedly provided with a Y-axis track 19, the two Y-axis tracks 19 are both arranged in parallel with the Y-axis direction, the two Y-axis tracks 19 are provided with a translation frame structure 20 capable of moving along the Y-axis direction, the translation frame structure 20 is provided with a translation frame 21 capable of moving along the X-axis direction, the upper end surface of the translation frame 21 is connected with the movable lying plate 1, and therefore, when the translation frame structure 20 moves along the Y-axis, the movable lying plate 1 can be controlled to translate along the Y-axis; when control translation frame 21 removed along the X axle direction, then can directly control activity service creeper 1 carries out the translation of X axle direction, and be provided with two at least translation bearing structures 5 between adjusting plate 8 and the activity service creeper 1, can share the pressure of activity service creeper 1 through two translation bearing frame structures, make the pressure effect more balanced to two translation bearing frame structures need carry out the same control in step, and the cooperation drive activity service creeper 1 removes.
Further, the translation frame structure 20 comprises a mounting plate 22, Y-axis sliders 23 are arranged on two sides of the mounting plate 22, two X-axis rails 24 are further fixedly arranged on the mounting plate 22, a translation frame 21 is slidably connected between the two X-axis rails 24, and X-axis sliders 25 arranged in the X-axis rails 24 are arranged on two sides of the translation frame 21; the translation frame structure 20 further comprises a transmission gear 28 structure, the transmission gear 28 structure comprises a worm wheel 26, a transmission shaft 27 and a gear 28, and a rack meshed with the gear 28 is arranged on the inner side of the translation frame 21; the transmission shaft 27 is rotatably connected and penetrates through the mounting plate 22, a worm wheel 26 is fixedly arranged at the lower end of the transmission shaft 27, a gear 28 is fixedly arranged at the upper end of the transmission shaft 27, the worm wheel 26 is arranged between the first screw rod 17 and the second screw rod 18, and two sides of the worm wheel 26 are respectively meshed with the first screw rod 17 and the second screw rod 18 at the same time; thus, when the first screw rod 17 and the second screw rod 18 rotate in the same direction, the screw rods on the two sides are simultaneously meshed with the worm wheel 26 in the middle, so that the worm wheel 26 can be driven to automatically transmit in situ, the position of the rotating shaft cannot move at the moment, but the rotating shaft automatically transmits, so that the rotating shaft can drive the gear 28 on the upper part to rotate, and further, the translation frame 21 is driven to move along the X-axis track 24 through the meshing with the rack;
when the rotation directions of the first screw rod 17 and the second screw rod 18 are opposite, the worm wheel 26 does not transmit automatically, but is driven by the screw rods on two sides to move along the Y-axis direction, so that the translation frame structure 20 is driven to move along the Y-axis direction in the opposite direction, and the movable lying plate 1 is driven to move, and it can be understood that the upper end face of the translation frame 21 is higher than the upper end face of the X-axis track 24 and is connected with the movable lying plate 1 through the translation frame 21.
Further, elevation structure 3 sets up between base 2 and three 10 of regulating plate, including a plurality of third telescopic links 33, and the fixed setting of third telescopic link 33 lower extreme is on base 2, and the free end fixed connection of third telescopic link 33 is on the bottom surface of three 10 of regulating plate. By controlling the third telescopic rod 33, the whole upper part can realize stable lifting control, thereby controlling the distance between the focus part of the patient and the radioactive source.
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 lifting radiotherapy body frame is characterized by comprising a movable lying plate (1) for lying when a patient is in radiotherapy; the base (2) is arranged on the ground, and the base (2) is connected with the movable lying plate (1) through a lifting structure (3), a universal inclination angle adjusting structure (4) and a translation supporting structure (5);
the universal inclination angle adjusting structure (4) comprises an X-axis inclination angle adjusting part (6) for driving the movable lying plate (1) to rotate and adjust by taking the first direction as an axis; the X-axis inclination angle adjusting part (6) is perpendicular to the rotation axis of the Y-axis inclination angle adjusting part (7);
the translation supporting structure (5) can drive the movable lying plate (1) to perform translation movement in the X-axis direction and the Y-axis direction.
2. The lifting radiotherapy body frame of claim 1, wherein the universal inclination angle adjusting structure (4) comprises three adjusting plates, namely an adjusting plate I (8), an adjusting plate II (9) and an adjusting plate III (10) from top to bottom, and an X-axis inclination angle adjusting part (6) is formed between the adjusting plate I (8) and the adjusting plate II (9); a Y-axis inclination angle adjusting part is formed between the second adjusting plate (9) and the third adjusting plate (10).
3. The lifting radiotherapy body frame of claim 2, wherein the two ends of the middle part of the upper end surface of the second adjusting plate (9) are respectively provided with a first supporting shaft seat (11), the upper end surface of the third adjusting plate (10) is provided with a second supporting shaft seat (12) in the direction perpendicular to the midpoint of the connecting line of the two first supporting shaft seats (11), the connecting line of the two first supporting shaft seats (11) forms an X-axis, and the connecting line of the two second supporting shaft seats forms a Y-axis;
two ends of the lower end surface of the first adjusting plate (8) are provided with first supporting plates (13) matched with the first supporting shaft seats (11), and the lower ends of the first supporting plates (13) are rotatably connected with the first supporting shaft seats (11) through shaft rods;
two ends of the lower end face of the second adjusting plate (9) are provided with second supporting plates (14) matched with the second supporting shaft seats (12), and the lower ends of the second supporting plates (14) are rotatably connected with the second supporting shaft seats (12) through shaft rods.
4. The lifting radiotherapy body frame of claim 3, wherein a first telescopic rod (15) is arranged between the first adjusting plate (8) and the second adjusting plate (9), the first telescopic rod (15) is far away from the X axis, the lower end of the first telescopic rod is hinged with the second adjusting plate (9), and the upper end of the first telescopic rod is hinged with the first adjusting plate (8);
be equipped with second telescopic link (16) between regulating plate two (9) and regulating plate three (10), Y axle setting is kept away from in second telescopic link (16), and its lower extreme is articulated with regulating plate three (10), and the upper end is articulated with regulating plate two (9).
5. The lifting radiotherapy body frame of claim 2, wherein at least two translational support structures (5) are arranged between the first adjusting plate (8) and the movable lying plate (1), and the two translational support structures share the pressure of the movable lying plate (1);
translation bearing structure (5) are including the lead screw one (17) and the lead screw two (18) that set up along Y axle direction, lead screw one (17), lead screw two (18) both ends are passed through the axle bed setting on regulating plate one (8), fixed lead screw one (17), be equipped with Y axle track (19) on the axle bed at lead screw two (18) both ends respectively fixed, two Y axle tracks (19) all with Y axle direction parallel arrangement, be equipped with translation frame structure (20) that can follow Y axle direction and remove on two Y axle tracks (19), be equipped with translation frame (21) that can follow X axle direction and remove on translation frame structure (20), translation frame (21) up end is connected with activity service creeper (1).
6. The lifting radiotherapy body frame of claim 5, wherein the translation frame structure (20) comprises a mounting plate (22), Y-axis sliding blocks (23) are arranged on two sides of the mounting plate (22), two X-axis rails (24) are further fixedly arranged on the mounting plate (22), a translation frame (21) is slidably connected between the two X-axis rails (24), and X-axis sliding blocks (25) arranged in the X-axis rails (24) are arranged on two sides of the translation frame (21);
the translation frame structure (20) further comprises a transmission gear (28) structure, the transmission gear (28) structure comprises a worm gear (26), a transmission shaft (27) and a gear (28), and a rack meshed with the gear (28) is arranged on the inner side of the translation frame (21);
the transmission shaft (27) is rotatably connected to penetrate through the installation plate (22) and is arranged, a worm wheel (26) is fixedly arranged at the lower end of the transmission shaft (27), a gear (28) is fixedly arranged at the upper end of the transmission shaft (27), the worm wheel (26) is arranged between the first screw rod (17) and the second screw rod (18), and two sides of the worm wheel (26) are respectively meshed with the first screw rod (17) and the second screw rod (18) simultaneously.
7. The lifting radiotherapy body frame of claim 6, wherein the upper end surface of the translation frame (21) is higher than the upper end surface of the X-axis track (24), and one end of each of the first screw rod (17) and the second screw rod (18) is provided with a servo motor (29) for driving.
8. The lifting radiotherapy body frame according to claim 1, wherein the upper end surface of the movable lying plate (1) is provided with an adjusting pillow (30), a shoulder blocking plate (31) and a fixing belt (32); the two shoulder baffles (31) are vertically arranged on the movable lying plate (1), the distance between the shoulder baffles (31) can be adjusted by the adjusting pillow (30), and the two ends of the fixing belt (32) are fixed on the movable lying plate (1) through the adjusting blocks.
9. The lifting radiotherapy body frame of claim 2, wherein the lifting structure (3) is arranged between the base (2) and the third adjusting plate (10) and comprises a plurality of third telescopic rods (33), the lower ends of the third telescopic rods (33) are fixedly arranged on the base (2), and the free ends of the third telescopic rods (33) are fixedly connected with the bottom surface of the third adjusting plate (10).
10. The lifting radiotherapy body frame of claims 1 to 9, wherein an elastic corrugated frame (34) is arranged between the base (2) and the movable lying plate (1), the elastic corrugated frame (34) surrounds the outer sides of the lifting structure (3), the universal inclination angle adjusting structure (4) and the translation supporting structure (5), the periphery of the lower end of the elastic corrugated frame is connected with the base (2), the periphery of the upper end of the elastic corrugated frame is connected with the movable lying plate (1), and the elastic corrugated frame (34) has a folding corrugated section for extending or compressing to adjust the length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211311015.0A CN115518309A (en) | 2022-10-25 | 2022-10-25 | Over-and-under type radiotherapy body frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211311015.0A CN115518309A (en) | 2022-10-25 | 2022-10-25 | Over-and-under type radiotherapy body frame |
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| Publication Number | Publication Date |
|---|---|
| CN115518309A true CN115518309A (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211311015.0A Withdrawn CN115518309A (en) | 2022-10-25 | 2022-10-25 | Over-and-under type radiotherapy body frame |
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| Country | Link |
|---|---|
| CN (1) | CN115518309A (en) |
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2022
- 2022-10-25 CN CN202211311015.0A patent/CN115518309A/en not_active Withdrawn
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Application publication date: 20221227 |
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