Tumor radiotherapy positioning and fixing device

By designing the adjustment mechanism, head and foot fixing mechanism, the problem that the height of the tumor radiation therapy bed is irreconcilable and the fixing device cannot adapt to the size of the patient, the flexible adjustment of the height and position of the treatment bed is achieved, and the accuracy and efficiency of the treatment is improved. .

CN222265958UActive Publication Date: 2024-12-31THE FOURTH HOSPITAL OF HEBEI MEDICAL UNIVERSITY (HEBEI CANCER HOSPITAL)
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Patent Information

Application Number
CN202420148284.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-22
Publication Date
2024-12-31
Estimated Expiration
2034-01-22

AI Technical Summary

Technical Problem

The height of the existing tumor radiation treatment bed is not adjustable, resulting in too large distance between the treatment instrument and the treatment area, affecting the treatment effect; the head fixing device cannot be adjusted according to the size of the patient's head, resulting in the head movement; the foot fixing device needs to be fixed Frequently adjust the position of the treatment instrument to reduce the treatment efficiency.

Method used

A tumor radiation therapy positioning fixing device is designed, including an adjustment mechanism, a head fixing mechanism and a foot fixing mechanism. The height of the treatment bed is adjusted through an electric telescopic rod, and the head and foot fixing frames are adjusted slidingly to adapt to the size and position of the patient. , use limiting springs and flexible pads for fixing and stabilization.

Benefits of technology

The height of the treatment bed and the position of the head and feet are adjusted according to needs, which improves the accuracy and efficiency of treatment, reduces the number of position adjustments during the treatment process, and improves the treatment effect.

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Abstract

The utility model relates to a tumor radiotherapy positioning and fixing device which comprises a bottom plate, an adjusting mechanism is installed at the top end of the bottom plate, a treatment bed is fixedly installed at the top end of the adjusting mechanism, a head fixing mechanism is fixedly installed on one side of the top end of the treatment bed, and two first movable grooves are formed in the other side of the top end of the treatment bed. Foot fixing mechanisms are movably mounted in the two first movable grooves, through the arranged adjusting mechanism, the height of the treatment bed can be conveniently adjusted according to treatment requirements, and then treatment is facilitated; by arranging the head fixing mechanism and the foot fixing mechanism, the head of the patient can be conveniently fixed; and the position of the foot can be conveniently changed according to treatment requirements, so that treatment is facilitated.
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Description

Technical Field

[0001] The present application relates to the technical field of tumor radiotherapy, and in particular to a positioning and fixing device for tumor radiotherapy. Background Art

[0002] Radiotherapy refers to a method of using the selective radiation of X-rays or other ionizing radiation and the radioactivity of radioactive elements to destroy cells and tissues to achieve the purpose of treatment. Radiotherapy has now become one of the important treatments for malignant tumors. During radiotherapy, the positioning fixation device can keep the patient still for a long time, and can accurately treat the tumor site without deviation.

[0003] The bottom of the treatment bed for treatment is generally fixed and cannot be adjusted in height, which may cause a large distance between the treatment instrument and the treatment site, which may affect the treatment effect, and the fixing device for fixing the head is not convenient to adjust according to the size of the patient's head, which may cause a certain distance between the patient's head and the fixing device, so that the head can move, and the fixing device at the foot is fixed, resulting in the need to adjust the position of the treatment instrument multiple times during the treatment process, and the treatment efficiency is low. Therefore, a person skilled in the art provides a tumor radiotherapy positioning and fixing device to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to solve the problem that the bottom of a general treatment bed is fixed and cannot be adjusted in height, which may cause a large distance between the treatment instrument and the treatment part, which may affect the treatment effect, and the fixing device for fixing the head is not convenient to adjust according to the patient's head size, which may cause a certain distance between the patient's head and the fixing device, allowing the head to move, and the fixing device at the foot is fixed, resulting in the need to adjust the position of the treatment instrument multiple times during the treatment process, resulting in low treatment efficiency, the present application provides a tumor radiotherapy positioning and fixing device.

[0005] The present application provides a tumor radiotherapy positioning and fixing device using the following technical solutions:

[0006] A tumor radiotherapy positioning and fixing device comprises a base plate, an adjustment mechanism is installed on the top of the base plate, a treatment bed is fixedly installed on the top of the adjustment mechanism, a head fixing mechanism is fixedly installed on one side of the top of the treatment bed, and two first movable grooves are provided on the other side of the top of the treatment bed, and foot fixing mechanisms are movably installed in the two first movable grooves.

[0007] Preferably, the adjustment mechanism comprises two telescopic components, the top and bottom ends of the two telescopic components are fixedly connected to the treatment bed and the bottom plate respectively, and an electric telescopic rod is fixedly installed between the two telescopic components.

[0008] Preferably, the two telescopic assemblies each include two first connecting rods, the bottom ends of the two first connecting rods are rotatably mounted on the top end of the bottom plate respectively, and the top ends of the two first connecting rods are rotatably connected to the second connecting rod.

[0009] Preferably, the two telescopic assemblies further include two third connecting rods, the top ends of the two third connecting rods are rotatably mounted on the bottom end of the treatment bed, and the bottom ends of the two third connecting rods are rotatably connected to the second connecting rod.

[0010] Preferably, the head fixing mechanism includes a mounting plate, a second movable groove is opened at the top of the mounting plate, a first limiting rod is installed in the second movable groove, two first movable blocks are movably installed on the first limiting rod, and the two first movable blocks are movably installed in the second movable groove respectively.

[0011] Preferably, a limit spring is fixedly installed on one side of the two first movable blocks, and one end of the two limit springs is fixedly installed on the two ends of the inner side of the movable groove respectively, and a first fixing frame is fixedly installed on the top of the two first movable blocks.

[0012] Preferably, the two foot fixing mechanisms each include a second movable block, second limit rods are fixedly installed on both sides of the bottom of the second movable block, a second fixing frame is movably installed on the top of the second movable block, and flexible pads are installed on the inner sides of the first fixing frame and the second fixing frame.

[0013] Preferably, the bottom ends of the two second movable blocks are movably installed in the two first movable grooves respectively, both ends of the inner sides of the two first movable grooves are provided with limiting grooves, and the two second limiting rods are movably installed in the two limiting grooves respectively.

[0014] In summary, this application includes the following beneficial technical effects:

[0015] 1. Through the setting adjustment mechanism, it is convenient to adjust the distance between the two telescopic components by driving the electric telescopic rod, so that the first connecting rod and the second connecting rod rotate on the third connecting rod, thereby adjusting the distance between the bottom plate and the treatment bed, which is convenient for treatment;

[0016] 2. The patient's head is placed in the two first fixing frames by means of the set head fixing mechanism and foot fixing mechanism. According to the size of the patient's head, the patient's head pushes the two first fixing frames to both sides, so that the two first movable blocks slide in the second movable grooves, and the two limit springs push the first movable blocks to fix the patient's head; the patient's feet are placed on the two second fixing frames. According to the needs of the treatment process, the position of the feet is changed by sliding the second movable blocks in the first movable grooves to facilitate treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a tumor radiotherapy positioning and fixing device according to an embodiment of the present application;

[0018] Figure 2 It is a structural schematic diagram of an adjustment mechanism of a tumor radiotherapy positioning and fixing device in an embodiment of the present application;

[0019] Figure 3 This is a schematic diagram of the structure of a head fixing mechanism of a tumor radiotherapy positioning and fixing device in an embodiment of the present application;

[0020] Figure 4 It is a structural schematic diagram of a foot fixing mechanism of a tumor radiotherapy positioning fixation device in an embodiment of the present application.

[0021] Explanation of the accompanying drawings: 1. Base plate; 2. Adjustment mechanism; 21. Telescopic assembly; 211. First connecting rod; 212. Second connecting rod; 213. Third connecting rod; 22. Electric telescopic rod; 3. Treatment bed; 4. Head fixing mechanism; 41. Mounting plate; 42. Second movable groove; 43. First limiting rod; 44. First movable block; 45. Limiting spring; 46. First fixed frame; 5. First movable groove; 6. Foot fixing mechanism; 61. Second movable block; 62. Second limiting rod; 63. Second fixed frame; 7. Limiting groove. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-4 This application is described in further detail.

[0023] The present application embodiment discloses a tumor radiotherapy positioning and fixing device, referring to Figure 1-4, comprising a bottom plate 1, an adjustment mechanism 2 is installed at the top of the bottom plate 1, a treatment bed 3 is fixedly installed at the top of the adjustment mechanism 2, a head fixing mechanism 4 is fixedly installed on one side of the top of the treatment bed 3, and two first movable grooves 5 are provided on the other side of the top of the treatment bed 3, and foot fixing mechanisms 6 are movably installed in both first movable grooves 5. Through the setting of the adjustment mechanism 2, it is convenient to adjust the height of the treatment bed 3 according to the needs of treatment, thereby facilitating treatment; through the setting of the head fixing mechanism 4 and the foot fixing mechanism 6, it is convenient to fix the patient's head; it is convenient to change the position of the feet according to the needs of treatment, thereby facilitating treatment.

[0024] Reference Figure 1 and Figure 2 The adjustment mechanism 2 includes two telescopic components 21, the top and bottom ends of the two telescopic components 21 are fixedly connected to the treatment bed 3 and the bottom plate 1 respectively, and an electric telescopic rod 22 is fixedly installed between the two telescopic components 21. The distance between the two telescopic components 21 can be conveniently adjusted by driving the electric telescopic rod 22.

[0025] Reference Figure 1 and Figure 2 The two telescopic components 21 each include two first connecting rods 211, the bottom ends of the two first connecting rods 211 are rotatably mounted on the top of the bottom plate 1, and the top ends of the two first connecting rods 211 are rotatably connected with the second connecting rod 212. It is convenient for the two ends of the first connecting rod 211 to rotate on the bottom plate 1 and the second connecting rod 212 respectively, so as to adjust the distance between the bottom plate 1 and the treatment bed 3.

[0026] Reference Figure 1 and Figure 2 The two telescopic components 21 further include two third connecting rods 213, the top ends of the two third connecting rods 213 are rotatably mounted on the bottom end of the treatment bed 3, and the bottom ends of the two third connecting rods 213 are rotatably connected to the second connecting rod 212. It is convenient for the two ends of the third connecting rod 213 to rotate on the bottom plate 1 and the second connecting rod 212 respectively, so as to adjust the distance between the bottom plate 1 and the treatment bed 3.

[0027] Reference Figure 1 and Figure 3 The head fixing mechanism 4 includes a mounting plate 41, a second movable groove 42 is formed at the top of the mounting plate 41, a first limiting rod 43 is installed in the second movable groove 42, two first movable blocks 44 are movably installed on the first limiting rod 43, and the two first movable blocks 44 are movably installed in the second movable groove 42. It is convenient to make the two first movable blocks 44 slide in the second movable groove 42, thereby changing the distance between the two first fixing frames 46.

[0028] Reference Figure 1 and Figure 3A limit spring 45 is fixedly installed on one side of the two first movable blocks 44, and one end of the two limit springs 45 is fixedly installed at the two ends of the inner side of the movable groove, and a first fixing frame 46 is fixedly installed on the top of the two first movable blocks 44. It is convenient for the two limit springs 45 to push the first movable block 44 to fix the patient's head.

[0029] Reference Figure 1 , Figure 2 and Figure 4 The two foot fixing mechanisms 6 each include a second movable block 61, second limiting rods 62 are fixedly installed on both sides of the bottom of the second movable block 61, a second fixing frame 63 is movably installed on the top of the second movable block 61, and flexible pads are installed on the inner sides of the first fixing frame 46 and the second fixing frame 63. The second limiting rod 62 is provided to prevent the second movable block 61 from falling off from the first movable groove 5.

[0030] Reference Figure 1 , Figure 2 and Figure 4 The bottom ends of the two second movable blocks 61 are movably mounted in the two first movable grooves 5, and both ends of the inner sides of the two first movable grooves 5 are provided with limiting grooves 7, and the two second limiting rods 62 are movably mounted in the two limiting grooves 7. It is convenient to place the patient's feet on the two second fixing frames 63, and according to the needs of the treatment process, the second movable block 61 is slid in the first movable groove 5 to change the position of the feet, so as to facilitate the treatment.

[0031] The implementation principle of a tumor radiotherapy positioning and fixing device in an embodiment of the present application is as follows: through the provided adjustment mechanism 2, the distance between the two telescopic components 21 can be conveniently adjusted by driving the electric telescopic rod 22, so that the first connecting rod 211 and the second connecting rod 212 rotate on the third connecting rod 213, thereby adjusting the distance between the base plate 1 and the treatment bed 3 to facilitate treatment; through the provided head fixing mechanism 4 and the foot fixing mechanism 6, the patient's head is placed in the two first fixing frames 46, and according to the size of the patient's head, the patient's head pushes the two first fixing frames 46 to both sides, so that the two first movable blocks 44 slide in the second movable grooves 42, and the two limit springs 45 push the first movable blocks 44 to fix the patient's head; the patient's feet are placed on the two second fixing frames 63, and according to the needs of the treatment process, the position of the feet is changed by sliding the second movable block 61 in the first movable groove 5 to facilitate treatment.

[0032] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A positioning and fixing device for tumor radiotherapy, comprising a base plate (1), characterized in that: An adjustment mechanism (2) is installed at the top of the base plate (1), a treatment bed (3) is fixedly installed at the top of the adjustment mechanism (2), a head fixing mechanism (4) is fixedly installed on one side of the top of the treatment bed (3), and two first movable grooves (5) are provided on the other side of the top of the treatment bed (3), and foot fixing mechanisms (6) are movably installed in the two first movable grooves (5).

2. The tumor radiotherapy positioning and fixing device according to claim 1, characterized in that: The adjustment mechanism (2) comprises two telescopic components (21), the top ends and bottom ends of the two telescopic components (21) being fixedly connected to the treatment bed (3) and the base plate (1) respectively, and an electric telescopic rod (22) being fixedly mounted between the two telescopic components (21).

3. The tumor radiotherapy positioning and fixing device according to claim 2, characterized in that: The two telescopic assemblies (21) each comprise two first connecting rods (211), the bottom ends of the two first connecting rods (211) being rotatably mounted on the top end of the bottom plate (1), and the top ends of the two first connecting rods (211) being rotatably connected to a second connecting rod (212).

4. The tumor radiotherapy positioning and fixing device according to claim 3, characterized in that: The two telescopic assemblies (21) further comprise two third connecting rods (213), the top ends of the two third connecting rods (213) being rotatably mounted on the bottom end of the treatment bed (3), and the bottom ends of the two third connecting rods (213) being rotatably connected to the second connecting rod (212).

5. The tumor radiotherapy positioning and fixing device according to claim 1, characterized in that: The head fixing mechanism (4) comprises a mounting plate (41), a second movable groove (42) is formed at the top end of the mounting plate (41), a first limiting rod (43) is installed in the second movable groove (42), two first movable blocks (44) are movably installed on the first limiting rod (43), and the two first movable blocks (44) are respectively movably installed in the second movable groove (42).

6. The tumor radiotherapy positioning and fixing device according to claim 5, characterized in that: A limit spring (45) is fixedly mounted on one side of the two first movable blocks (44), and one end of the two limit springs (45) is fixedly mounted on two ends of the inner side of the movable groove, respectively. A first fixing frame (46) is fixedly mounted on the top ends of the two first movable blocks (44).

7. The tumor radiotherapy positioning and fixing device according to claim 6, characterized in that: The two foot fixing mechanisms (6) each comprise a second movable block (61), second limit rods (62) being fixedly mounted on both sides of the bottom of the second movable block (61), a second fixing frame (63) being movably mounted on the top of the second movable block (61), and flexible pads being mounted on the inner sides of the first fixing frame (46) and the second fixing frame (63).

8. The tumor radiotherapy positioning and fixing device according to claim 7, characterized in that: The bottom ends of the two second movable blocks (61) are movably mounted in the two first movable grooves (5), respectively. Both ends of the inner sides of the two first movable grooves (5) are provided with limit grooves (7), and the two second limit rods (62) are movably mounted in the two limit grooves (7).