Radiotherapy positioning device for abdomen
By designing an abdominal radiotherapy positioning device including a telescopic cylinder, a U-shaped telescopic rod and an extended shading net, the problem of patient offset and other parts in the prior art is solved, and the accuracy and safety of radiotherapy are achieved.
Patent Information
- Application Number
- CN202420115733.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-16
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-01-16
AI Technical Summary
The existing abdominal radiotherapy fixture lacks a limiting device, which causes the patient to shift during the radiotherapy process, affecting the effect of the radiotherapy, and lack of obstruction in other parts during the radiotherapy process, which may affect other tissues.
A radiotherapy positioning device including a base, a radiotherapy table, a telescopic cylinder, a U-shaped telescopic rod, a first moving block, a rectangular plate and an extended shading net are designed. The device realizes the function of fixing the patient and blocking other parts through telescopic cylinders and motor-driven threaded rods.
It effectively prevents patients from getting offset during the radiotherapy process, ensures the accuracy of radiotherapy, and protects tissues in other parts through the shading net, reducing the occurrence of adverse reactions.
Smart Images
Figure CN222533957U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of abdominal radiotherapy positioning, in particular to a radiotherapy positioning device for the abdomen. Background Art
[0002] Abdominal radiotherapy positioning is a technology used to treat abdominal tumors. Its background technology involves knowledge and technology from multiple disciplines, including medical imaging, radiotherapy physics, computer technology, etc. In abdominal radiotherapy positioning, medical imaging technologies such as CT and MRI are widely used to obtain the precise location and morphological information of the tumor. These imaging technologies can provide three-dimensional images to help doctors determine the target area for radiotherapy. The knowledge of radiotherapy physics also plays an important role in abdominal radiotherapy positioning. Radiotherapy physics involves the calculation of radiation dose, the design and optimization of radiotherapy plans, etc.
[0003] The existing abdominal radiotherapy fixation frame is a simple support plate without a limit device to restrict the patient's movement. The patient's abdomen may shift with breathing and some small movements, which will affect the radiotherapy effect. In addition, there is no cover on other parts during radiotherapy, which may affect the tissues in other parts. Utility Model Content
[0004] The purpose of the utility model is to provide a radiotherapy positioning device for the abdomen to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a radiotherapy positioning device for the abdomen, comprising: a base and a radiotherapy table, a radiotherapy table is arranged on the upper surface of the base, a telescopic cylinder is arranged on the upper surface of the radiotherapy table, a U-shaped telescopic rod is arranged on the upper surface of the telescopic cylinder, a first moving block is arranged on the vertical surface inside the U-shaped telescopic rod, and rectangular plates are arranged on the long vertical surfaces on both sides of the first moving block.
[0006] Preferably, a rectangular notch is provided at the intersection of the rectangular plate and the U-shaped telescopic rod, a fixed block is provided at one of the vertical surfaces of the U-shaped telescopic rod, U-shaped rods are provided at the fixed block and the upper surface of the rectangular plate, an extended shielding net is provided between the U-shaped rods, a rectangular block is provided at the upper surface of the first movable block, and a pressing plate is provided between a pair of the rectangular blocks.
[0007] Preferably, a rectangular platform is provided at the vertical surface inside the U-shaped telescopic rod, a motor is provided at the upper surface of the rectangular platform, a threaded rod is provided on the circular surface of the motor facing the first moving block, and the threaded rod passes through the first moving block.
[0008] Preferably, a winding disk is provided on the vertical surface inside the U-shaped telescopic rod, and a pair of first rectangular sheets are provided on the lower surface of the first movable block. The vertical surfaces of the first rectangular sheets are penetrated by the same first round rod, and a rope is fixed on the rod body of the first round rod, and the rope extends in opposite directions.
[0009] Preferably, a second round rod is provided at the end point of the rope away from the motor, and second rectangular pieces are penetrated at both ends of the second round rod, a second moving block is provided on the upper surface of the second rectangular piece, and the second moving block is inside the U-shaped telescopic rod, and guide plates are provided on both sides of the second moving block.
[0010] Preferably, a bottom block is arranged inside the U-shaped telescopic rod, and the end of the threaded rod away from the motor is connected to the bottom block, and a bearing is arranged at the intersection of the bottom block and the threaded rod.
[0011] Compared with the prior art, the beneficial effects of the utility model are: the utility model has a reasonable structure, which gives the device the function of positioning and fixing the patient, preventing the possibility of the patient being displaced, and also provides a device for shielding other parts, ensuring that during radiotherapy, tissues in other parts will not be affected, and the degree of adverse reactions in the body can be greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0013] Figure 2 It is a schematic diagram of the structure of the rectangular plate of the utility model.
[0014] Figure 3 The utility model is a schematic diagram of the internal structure of the U-shaped telescopic rod.
[0015] Figure 4 This is a schematic diagram of the connection structure at the end of the rope of the utility model.
[0016] Figure 5 This is a schematic diagram of the structure of the utility model at the plot.
[0017] In the figure: 1. base; 2. radiotherapy table; 3. telescopic cylinder; 4. U-shaped telescopic rod; 5. first moving block; 6. rectangular plate; 7. fixed block; 8. U-shaped rod; 9. extended shielding net; 10. rectangular block; 11. pressing plate; 12. rectangular platform; 13. motor; 14. threaded rod; 15. winding disk; 16. first rectangular sheet; 17. first round rod; 18. rope; 19. second round rod; 20. second rectangular sheet; 21. second moving block; 22. guide plate; 23. bottom block; 24. bearing. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figures 1 to 5 The utility model provides a technical solution: a radiotherapy positioning device for the abdomen, comprising: a base 1 and a radiotherapy table 2, the radiotherapy table 2 is arranged on the upper surface of the base 1, a telescopic cylinder 3 is arranged on the upper surface of the radiotherapy table 2, a U-shaped telescopic rod 4 is arranged on the upper surface of the telescopic cylinder 3, a first moving block 5 is arranged on the vertical surface inside the U-shaped telescopic rod 4, and rectangular plates 6 are arranged on the long vertical surfaces on both sides of the first moving block 5.
[0020] Furthermore, a rectangular notch is provided at the intersection of the rectangular plate 6 and the U-shaped telescopic rod 4, a fixed block 7 is provided at one of the vertical surfaces of the U-shaped telescopic rod 4, and the fixed block 7 and the U-shaped telescopic rod 4 are in a fixed relationship, U-shaped rods 8 are provided at the upper surfaces of the fixed block 7 and the rectangular plate 6, an extended shielding net 9 is provided between the U-shaped rods 8, and the extended shielding net has functions such as stretching and extension, a rectangular block 10 is provided at the upper surface of the first movable block 5, a pressing plate 11 is provided between a pair of rectangular blocks 10, and the pressing plate 11 cooperates with the telescopic cylinder 3 to fix the patient.
[0021] Furthermore, a rectangular platform 12 is provided at the vertical surface inside the U-shaped telescopic rod 4, a motor 13 is provided at the upper surface of the rectangular platform 12, a threaded rod 14 is provided on the circular surface of the motor 13 facing the first moving block 5, and the threaded rod 14 passes through the first moving block 5, and a circular hole is provided at the intersection of the first moving block 5 and the threaded rod 14, and a thread groove is provided on the arc surface inside the circular hole, and the thread groove and the threaded rod 14 correspond to each other.
[0022] Furthermore, a winding drum 15 is provided on the vertical surface inside the U-shaped telescopic rod 4, and a pair of first rectangular sheets 16 are provided on the lower surface of the first movable block 5. The vertical surfaces of the first rectangular sheets 16 are penetrated by the same first round rod 17. A rope 18 is fixed on the rod body of the first round rod 17, and the rope 18 extends in the opposite direction after passing around the winding drum 15.
[0023] Furthermore, a second round rod 19 is provided at the end point of the rope 18 away from the motor 13, and second rectangular pieces 20 are penetrated at both ends of the second round rod 19, a second moving block 21 is provided on the upper surface of the second rectangular piece 20, and the second moving block 21 is located inside the U-shaped telescopic rod 4, guide plates 22 are provided on both sides of the second moving block 21, and a fixed block 7 is also provided at the vertical surface of the U-shaped telescopic rod 4 close to the second moving block 21, and U-shaped rods 8 are provided at the fixed blocks close to the second moving block 21 and the upper surfaces of the second moving block 21, an extended shielding net 9 is also provided between the U-shaped rods 8, and a baffle is provided at one end of the U-shaped telescopic rod 4 close to the second moving block 21, and a memory spring is provided between the baffle and the second moving block, which can well ensure that when the threaded rod 14 retracts the first moving block 5, the second moving block 21 can also be reset.
[0024] Furthermore, a bottom block 23 is disposed inside the U-shaped telescopic rod 4 , and the end of the threaded rod 14 away from the motor 13 is connected to the bottom block 23 , and a bearing 24 is disposed at the intersection of the bottom block 23 and the threaded rod 14 .
[0025] Working principle: After the patient lies on the radiotherapy table 2, the motor 13 is started first to rotate the threaded rod 14, thereby pushing the first moving block 5 toward the second moving block 21. At the same time, because a rope 18 is fixed to the rod body of the first round rod 17, and the rope 18 extends in the opposite direction after passing around the winding disk 15, a second round rod 19 is provided at the end point of the rope 18 away from the motor 13, and the second round rod 18 is located below the second moving block 21, so the first moving block 5 and the second moving block 21 move toward each other, and because U-shaped rods 8 are provided on the upper surfaces of the first moving block 5 and the second moving block 21, and extended shielding nets 9 are provided between the U-shaped rods 8, the extended shielding nets 9 will be opened to shield other parts of the human body, and then descended by the telescopic cylinder 3, so that the patient is fixed by the pressing plate 11 provided between a pair of rectangular blocks 10, and then radiotherapy can be performed.
[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A radiotherapy positioning device for the abdomen, comprising: A base (1) and a radiotherapy table (2), characterized in that: a radiotherapy table (2) is arranged on the upper surface of the base (1), a telescopic cylinder (3) is arranged on the upper surface of the radiotherapy table (2), a U-shaped telescopic rod (4) is arranged on the upper surface of the telescopic cylinder (3), a first moving block (5) is arranged on the vertical surface inside the U-shaped telescopic rod (4), and rectangular plates (6) are arranged on the long vertical surfaces on both sides of the first moving block (5); A rectangular notch is provided at the intersection of the rectangular plate (6) and the U-shaped telescopic rod (4); a fixed block (7) is provided at one of the vertical surfaces of the U-shaped telescopic rod (4); U-shaped rods (8) are provided on the upper surfaces of the fixed block (7) and the rectangular plate (6); an extended shielding net (9) is provided between the U-shaped rods (8); a rectangular block (10) is provided on the upper surface of the first movable block (5); and a pressing plate (11) is provided between a pair of the rectangular blocks (10); A rectangular platform (12) is provided on the vertical surface inside the U-shaped telescopic rod (4), a motor (13) is provided on the upper surface of the rectangular platform (12), a threaded rod (14) is provided on the circular surface of the motor (13) facing the first moving block (5), and the threaded rod (14) penetrates the first moving block (5); A winding disk (15) is provided on the vertical surface inside the U-shaped telescopic rod (4), and a pair of first rectangular sheets (16) are provided on the lower surface of the first moving block (5). The vertical surfaces of the first rectangular sheets (16) are penetrated by the same first round rod (17). A rope (18) is fixed on the rod body of the first round rod (17), and the rope (18) extends in opposite directions. A second round rod (19) is provided at the end of the rope (18) away from the motor (13), and second rectangular pieces (20) are provided at both ends of the second round rod (19) and penetrated therethrough, a second moving block (21) is provided on the upper surface of the second rectangular piece (20), and the second moving block (21) is located inside the U-shaped telescopic rod (4), and guide plates (22) are provided on both sides of the second moving block (21); A bottom block (23) is arranged inside the U-shaped telescopic rod (4), and the end of the threaded rod (14) away from the motor (13) is connected to the bottom block (23), and a bearing (24) is arranged at the intersection of the bottom block (23) and the threaded rod (14).