Radiotherapy body position fixing device with multidirectional adjusting function

Abstract

The invention discloses a radiotherapy body position fixing device with a multidirectional adjusting function, which comprises fixed bases and fixed rods, and the fixed bases are connected through the fixed rods; the fixing base further comprises a head cushion, a hip cushion and a leg cushion. The function of the device is that a medical worker can adjust the head of a patient to be switched among a lying posture, a prone posture and a sitting posture, and the device is used for providing support; the positions of the head and the legs are adjusted according to the body lengths of different patients, and the head cushion and the leg cushion are adjusted to proper positions suitable for the patients, so that the applicability of the device is improved; the support data of different patients during treatment can be recorded, and the device can be quickly adjusted to provide support according to the adjusted support data in the next treatment room, so that the device reaches a comfortable support position, the body positions of the patients are ensured to be the same, and the aims of accurately adjusting and recording the body positions are achieved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of medical fixing devices, and particularly relates to a radiotherapy body position fixing device with multidirectional adjustment function. BACKGROUND

[0002] Tumor treatment is a series of medical means aiming to control, eliminate or cure malignant tumors, and its core principle is to utilize the biological differences (such as unlimited proliferation, gene mutation, immune escape, etc.) between cancer cells and normal cells, to selectively kill or inhibit the growth of cancer cells through physical resection (surgery), radiation killing (radiotherapy), chemical toxicity (chemotherapy), targeted blocking of specific molecular pathways (targeted therapy) or activation of the human immune system (immunotherapy), etc., while minimizing damage to normal tissues, to ultimately achieve the purpose of cure, prolong survival or improve quality of life.

[0003] In the process of tumor radiotherapy, the fundamental purpose of fixing the patient's body position is to achieve precise attack and safety protection. Modern radiotherapy technology is like "precision guidance", which can highly concentrate high-dose radiation on irregularly shaped tumors, while the surrounding important organs such as spinal cord and intestinal tract are adjacent; through fixing devices such as thermoplastic film and vacuum pad, it can ensure that the patient's body position is completely consistent with the planned scan each time of treatment, thereby avoiding tumor off-target or damage to normal tissues caused by breathing and movement.

[0004] In the prior art, a body position fixing device for sitting radiotherapy patients is disclosed in Chinese patent (CN119113428A), which relates to the field of radiotherapy technology. The present application specifically includes a base, a support part and a shielding part, the support part is arranged on the upper side of the base, the support part is used to support the patient from the side, the shielding part is connected with the support part, and the shielding part is used to shield the radiotherapy rays.

[0005] In this scheme, the device fixes the position of the patient by arranging fixing plates in front of and behind the patient, and the patient sits in the device, but the patient's legs are not fixed. After the patient's legs move and cause the patient's body to move, the patient's position may change, which affects the treatment result. The device cannot accurately control the patient's body position during treatment, and the adjustment range of the device for the patient's body position is limited.

[0006] The prior art such as a patient body position fixing device for tumor radiotherapy and a use method thereof disclosed in Chinese patent (CN118142098A) comprises a lying plate and two groups of leg fixing mechanisms, one side of the lying plate is fixedly connected with a rotating shaft fixing frame, a rotating shaft body is rotatably connected to the inner wall of the rotating shaft fixing frame, and the outer wall of the rotating shaft body is movably connected with the inner wall of the leg fixing mechanism. The rotating shaft body is rotated by rotating the fixing frame body, and the driven transmission belt is driven to rotate, and the transmission cone gear is meshed with the transmission cone gear, so that the transmission cone gear is also rotated, and the transmission transmission belt is driven to rotate, so that the rotating shaft body and the meshing gear are rotated, and the contraction of the contraction belt can be controlled, and the expansion of the expansion belt can be controlled. The expansion belt can be extracted when needed to adapt to patients with different body shapes, and the applicability of different patients is increased;

[0007] In the scheme, the device fixes the legs of the patient to make the patient lie flat on the device for treatment, but the use range of the device is limited. When the patient needs to maintain a sitting position for treatment, the patient's legs are fixed, but the back lacks a fixing structure, and long-term maintenance of a fixed sitting position will make the patient tired, increase the burden on the patient's already weak body, and the fixed position of the legs cannot be adjusted, and the patient cannot be fixed in a comfortable position.

[0008] In summary, the prior art has the following defects: 1. The body position fixing posture provided for the patient during radiotherapy is limited, and the sitting and lying postures of the patient cannot be adjusted and fixed at the same time in the same device, and multiple treatment postures cannot be considered, resulting in reduced applicability of the device; 2. When adjusting in the same body position, different patients have different body proportions, and the comfortable support position of the patient during treatment in the same body position is different, and the fixed limb position of the patient cannot be fine-tuned, and the device cannot be adjusted to a comfortable position suitable for the patient to maintain; 3. The device cannot achieve precise control of the patient's body position during treatment, and the adjustment range of the device for the patient's body position is limited. After pausing for re-fixing during treatment, it cannot be ensured that the position of the patient is the same as the previous body position.

[0009] Therefore, the present application provides a radiotherapy body position fixing device with multi-directional adjustment function. SUMMARY

[0010] To solve the above technical problems, the application discloses a radiotherapy body position fixing device with multi-directional adjustment function, which can adjust the head of a patient between lying, lying and sitting postures, and provide support; the positions of the head and legs are adjusted according to the height of different patients, the head pad and the leg pad are adjusted to the appropriate positions suitable for the patients, and the applicability of the device is improved; the support data of different patients during treatment can be recorded, and the support data is adjusted quickly according to the adjusted support data in the next treatment room, so that the device reaches a comfortable support position, and the body position of the patient is ensured to be the same, precise adjustment is achieved, and the purpose of recording the body position is achieved.

[0011] To achieve the above technical effects, the application provides a radiotherapy body position fixing device with multi-directional adjustment function, which comprises a fixed base and a fixed rod, and the fixed base is connected through the fixed rod; the fixed base further comprises a head pad, a hip pad and a leg pad, the head pad is connected to the left side of the hip pad through the fixed rod, and the leg pad is connected to the right side of the hip pad through the fixed rod; the right end of the fixed rod is provided with a threaded rod, and the outside of the fixed rod is wrapped with a flexible protective layer, and the surface of the flexible layer is provided with a straight line scale.

[0012] Preferably, the fixed rod further comprises a fixed rod a and a fixed rod b, and the length of the fixed rod a is greater than the length of the fixed rod b.

[0013] Preferably, the head pad further comprises a base a, a ring-shaped pillow, a fixed bolt a, a mounting screw hole a and a connecting groove a, the ring-shaped pillow is arranged above the base a, the connecting groove a is arranged through the front side of the base a, the mounting screw hole a is arranged at the front end of the side of the connecting groove a, and the fixed bolt a is threadedly connected in the mounting screw hole a.

[0014] Preferably, the hip pad further comprises a base b, a cushion a, a connecting port a, a connecting port b and a fixed belt a, the cushion a is arranged above the base b, the connecting port a is arranged at the back side of the base b, and the connecting port b is arranged at the left and right sides of the front side of the base b.

[0015] Preferably, the connecting port a further comprises a connecting barrel a, a rotating shaft a, a rotating damper a, an indicating strip a, a rotating scale a, a fixed bolt b and a mounting screw hole b, the connecting barrel a with a screw thread is arranged at the back side of the base b, the rotating shaft a is arranged at the back side of the connecting barrel a and rotatably arranged at the back side of the base b, the rotating damper a is arranged at the rotating connection between the rotating shaft a and the base b, the indicating strip a is arranged at the side of the connecting barrel a, the rotating scale a is arranged on the base b at the side of the rotating shaft a, and the rotating scale a and the indicating strip a are located at the same side, the mounting screw hole b is arranged on the base b at the side of the rotating shaft a, the fixed bolt b is threadedly connected at the side of the rotating shaft a, the bottom of the fixed bolt b is located at the side of the rotating shaft a, and the flexible pad is arranged between the rotating shaft a and the fixed bolt b.

[0016] As preferred, the connecting port b further comprises a connecting barrel b, a rotating shaft b, a rotating damper b, an indicating strip b and a rotating scale b, the connecting barrel b is arranged at the front side of the rotating shaft b, the rotating shaft b is arranged at the front side of the base b, the rotating damper b is arranged between the base b and the rotating shaft b, the indicating strip b is arranged above the connecting barrel b, and the rotating scale is arranged on the base b above the connecting barrel b.

[0017] As preferred, the end of the fixing belt a is provided with a plug buckle.

[0018] As preferred, the leg pad further comprises a base c, a cushion b, a fixing bolt c, a mounting screw hole c, a connecting groove b and a fixing belt b, the cushion b is arranged above the base c, the connecting groove b is arranged through the inside of the base c, the mounting screw hole c is arranged at the rear end of the side of the connecting groove b, the fixing bolt c is threadedly connected to the mounting screw hole c, and the fixing belt b is arranged at the side of the base c.

[0019] As preferred, the end of the fixing belt b is provided with a plug buckle.

[0020] Compared with the prior art, the present application has the following advantages:

[0021] The device is provided with split head pads, hip pads, leg pads and fixing rods, so that medical staff can adjust the head of the patient to switch between lying, lying and sitting postures, and provide support; and when sitting, the angle can be adjusted, and the angle of the patient's legs can also be adjusted, and the positions of the head and legs are adjusted according to the height of different patients, the head pad and the leg pad are adjusted to the appropriate position suitable for the patient, and the applicability of the device is improved; after the device provides support for the patient, the support data of different patients during treatment can be recorded, and the support data of the device is quickly adjusted according to the adjusted support data during the next treatment, so that the device reaches a comfortable support position, and the body position of the patient is ensured to be the same, precise adjustment is achieved, and the purpose of recording the body position is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structure schematic diagram of the sitting posture of the present application;

[0023] Figure 2 is a structure schematic diagram of the lying posture of the present application;

[0024] Figure 3 is an isometric view of the head pad in the present application;

[0025] Figure 4 is an isometric view of the hip pad in the present application;

[0026] Figure 5 is a top view of the internal structure schematic diagram of the hip pad in the present application;

[0027] Figure 6 is the isometric view of the rear view of the leg pad in the present application;

[0028] Figure 7 is the isometric view of the fixed rod a in the present application;

[0029] Figure 8 is the isometric view of the fixed rod b in the present application;

[0030] In the drawings, the components represented by each reference numeral are listed as follows:

[0031] 1, head pad; 2, hip pad; 3, leg pad; 4, threaded rod; 5, flexible protective layer; 6, straight scale; 7, fixed rod a; 8, fixed rod b; 9, base a; 10, ring pillow; 11, fixed bolt a; 12, mounting screw hole a; 13, connecting groove a; 14, base b; 15, cushion a; 16, connecting port a; 17, connecting port b; 18, fixed belt a; 19, connecting barrel a; 20, rotating shaft a; 21, rotating damper a; 22, indicating strip a; 23, rotating scale a; 24, fixed bolt b; 25, mounting screw hole b; 26, connecting barrel b; 27, rotating shaft b; 28, rotating damper b; 29, indicating strip b; 30, rotating scale b; 31, base c; 32, cushion b; 33, fixed bolt c; 34, mounting screw hole c; 35, connecting groove b; 36, fixed belt b. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Embodiment 1

[0034] As Figures 1 to 8 shown

[0035] In the prior art, the inventor finds that the prior art has the following defects: 1. In the process of radiotherapy, the fixed posture provided for the patient is limited, and the sitting and lying postures of the patient cannot be adjusted and fixed at the same time in the same device, and multiple treatment postures cannot be considered, resulting in reduced applicability of the device; 2. When adjusting in the same position, the comfortable support position of the patient during treatment in the same position is different due to different body proportions of different patients, and the fixed limb position of the patient cannot be fine-tuned, and the device cannot be adjusted to the comfortable position suitable for the patient to maintain; 3. Precise control of the patient's position during treatment cannot be achieved, and the adjustment range of the device for the patient's position is limited, and after pausing for re-fixing during treatment, the patient's position cannot be guaranteed to be the same as the previous position.

[0036] Therefore, the inventor provides a radiotherapy position fixing device with multi-directional adjustment function, which comprises a fixed base and a fixed rod, and the fixed base is connected by the fixed rod; the fixed base further comprises a head pad 1, a hip pad 2 and a leg pad 3, the head pad 1 is connected to the left side of the hip pad 2 through the fixed rod, and the leg pad 3 is connected to the right side of the hip pad 2 through the fixed rod; the right end of the fixed rod is provided with a threaded rod 4, and the outside of the fixed rod is wrapped with a flexible protective layer 5, and the surface of the flexible layer is provided with a straight line scale 6.

[0037] By adopting the above scheme, the hip pad 2 is placed on the treatment table, the patient sits on the hip pad 2, and after fixing the patient, the head pad 1 is fixed on the head position of the patient through the fixed rod to provide support for the head of the patient, and the leg pad 3 is placed on the leg of the patient after adjusting the leg of the patient to the appropriate position, and the leg pad 3 is fixed below the thigh of the patient through the fixed rod, so that the patient can fix the position during treatment, and the device can provide support for the patient, and the medical staff can record the scale position on the fixed rod after fixing to ensure that the fixed position of the patient remains the same during the next treatment. During the setting of the fixed position, the medical staff can supplement soft pads between the fixed rod and the patient to improve the comfort of the patient.

[0038] Embodiment 2

[0039] As shown in Figures 1 to 8

[0040] Further, the fixed rod further comprises a fixed rod a7 and a fixed rod b8, and the length of the fixed rod a7 is greater than the length of the fixed rod b8.

[0041] Since the length from the hip to the head is greater than the length from the hip to the leg in the human body proportion, the fixed rod a7 with longer length is used to connect the hip pad 2 and the head pad 1, and the fixed rod b8 with shorter length is used to connect the hip pad 2 and the leg pad 3.

[0042] Embodiment 3​

[0043] As shown in Figures 1 to 8

[0044] Further, the head pad 1 further comprises a base a9, an annular pillow 10, a fixing bolt a11, a mounting screw hole a12, a connecting groove a13, the annular pillow 10 is arranged above the base a9, the connecting groove a13 is arranged through the front side of the base a9, the mounting screw hole a12 is arranged at the side of the front end of the connecting groove a13 respectively, and the fixing bolt a11 is threadedly connected in the mounting screw hole a12 respectively;

[0045] When the head pad 1 is connected to the hip pad 2 through the fixing rod a7, the left end of the fixing rod a7 is inserted into the connecting groove, the bottom end of the fixing bolt a11 is abutted on the flexible protective layer 5 outside the fixing rod a7 by tightening the fixing bolt a11 in the mounting screw hole a12, the fixing rod a7 can slide to adjust the position inside the connecting groove a13, the flexible protective layer 5 outside the fixing rod a7 can use the elastic rubber material, the friction between the bottom of the fixing bolt a11 and the fixing rod a7 is enhanced to ensure the fixing effect, and the knocking between the patient and the fixing rod can be prevented, after the head pad 1 is fixed, the medical staff can see the scale of the fixing rod a7 inserted into the connecting groove a13 at the side of the fixing rod a7, the scale is recorded on the treatment record, the head pad 1 can be quickly arranged according to the scale when the same patient is treated next time, the fixing time of the treatment position of the patient is reduced, and when the patient is supine, the head is placed on the annular pad, and when the patient is prone, the face is placed on the annular pad.

[0046] Embodiment 4

[0047] As shown in Figures 1 to 8

[0048] Further, the hip pad 2 further comprises a base b14, a cushion a15, a connecting port a16, a connecting port b17, and a fixing belt a18, the cushion a15 is arranged above the base b14, the connecting port a16 is arranged at the back side of the base b14 respectively, and the connecting port b17 is arranged at the left and right sides of the front side of the base b14 respectively;

[0049] ​​Further, the connecting port a16 further comprises a connecting cylinder a19, a rotating shaft a20, a rotating damper a21, an indicating strip a22, a rotating scale a23, a fixing bolt b24, and a mounting screw hole b25. The connecting cylinder a19 provided with a screw thread is arranged at the rear side of the base b14. The rotating shaft a20 is arranged at the rear side of the connecting cylinder a19 and is rotatably arranged at the rear side of the base b14. The rotating damper a21 is arranged at the rotatable connection between the rotating shaft a20 and the base b14. The indicating strip a22 is arranged at the side of the connecting cylinder a19. The rotating scale a23 is arranged on the base b14 at the side of the rotating shaft a20 and is located at the same side as the indicating strip a22. The mounting screw hole b25 is arranged on the base b14 at the side of the rotating shaft a20. The fixing bolt b24 is threadedly connected at the side of the rotating shaft a20. The bottom of the fixing bolt b24 is located at the side of the rotating shaft a20. A flexible pad is arranged between the rotating shaft a20 and the fixing bolt b24.

[0050] Further, the connecting port b17 further comprises a connecting cylinder b26, a rotating shaft b27, a rotating damper b28, an indicating strip b29, and a rotating scale b30. The connecting cylinder b26 is arranged at the front side of the rotating shaft b27. The rotating shaft b27 is rotatably arranged at the front side of the base b14. The rotating damper b28 is arranged between the base b14 and the rotating shaft b27. The indicating strip b29 is arranged above the connecting cylinder b26. The rotating scale is arranged on the base b14 above the connecting cylinder b26.

[0051] Before treatment, the patient sits on the cushion a15 of the hip pad 2. Then, the connecting port b17 is threadedly connected to the fixing rod b8. Then, the patient's legs are lifted, the leg pad 3 is placed under the patient's legs, and the leg pad 3 is moved on the fixing rod b8 to the appropriate position. The rotating shaft b27 on the connecting cylinder b26 is rotated by the fixing rod b8, so that the patient's legs can be outwardly spread to a comfortable angle in the horizontal plane. The rotating damper b28 can increase the resistance between the rotating shaft b27 and the base b14 during adjustment, so as to prevent the rotating shaft b27 from being easily rotated. The size of the resistance is adjusted according to the required force in actual use. After the patient's legs are adjusted to the appropriate position, the patient's legs are fixed. In this way, the medical staff can adjust the position of the patient's legs, and the body position information of the patient can be recorded by the indicating strip b29 and the rotating scale b30, so as to facilitate quick adjustment during the next treatment and ensure that the patient's body position is the same.

[0052] After the patient's leg is fixed, the threaded rod 4 at the right end of the fixing rod a7 is screwed into the connecting cylinder a19, and then the angle of the fixing rod a7 is adjusted according to the body position of the upper body of the patient. The fixing rod a7 is adjusted to the appropriate angle by rotating the rotating shaft a20 between the rotary dampers a21, and the head pad 1 is adjusted to the appropriate position of the patient's head at this time. The bottom end of the fixing bolt b24 is twisted onto the flexible pad on the side of the rotating shaft a20 by tightening the fixing bolt b24. Since the rotary damper a21 itself has resistance, the angle can be fixed, and the fixing bolt can assist the rotary damer a21 to fix the rotating shaft a20, so that the angle of the fixing rod a7 on the rotating shaft a20 and the head pad 1 is fixed. Then the patient's hips are fixed on the base b14 by the fixing belt a18, and at this time the angle on the rotary scale a23 can be read through the indicating strip a22 on the side of the connecting cylinder a19. In this way, the fixing rod a7 can be adjusted to the position during the last treatment when the patient is fixed next time, so as to accurately control the body position of the patient, and the angle of the patient's head can be adjusted, so that the patient can be fixed in the treatment position of lying and sitting.

[0053] In this way, medical staff can adjust the patient's head to switch between lying and sitting positions, use the device to provide support, and appropriately fine-tune the adjustment angle when sitting. The angle of the patient's legs can also be adjusted, and the positions of the head and legs can be adjusted according to the height of different patients, improving the applicability of the device while making the device reach a comfortable support position.

[0054] Embodiment 5

[0055] As shown in Figures 1 to 8 As shown in

[0056] Further, the end of the fixing belt a18 is provided with a plug buckle (not shown in the figure);

[0057] The length of the fixing belt a18 can be quickly adjusted by the plug buckle to quickly fix the patient's hips on the hip pad 2.

[0058] Embodiment 6

[0059] As shown in Figures 1 to 8 As shown in

[0060] Further, the leg pad 3 further comprises a base c31, a cushion b32, a fixing bolt c33, a mounting screw hole c34, a connecting groove b35, and a fixing belt b36. The cushion b32 is arranged above the base c31, the connecting groove b35 is arranged through the inside of the base c31, the mounting screw hole c34 is arranged at the rear end of the side of the connecting groove b35, the fixing bolt c33 is threadedly connected to the mounting screw hole c34, and the fixing belt b36 is arranged on the side of the base c31.

[0061] Wherein, when installing the leg pad 3, the left end of the fixing rod b8 is inserted into the connecting groove b35, the top end of the fixing rod b8 is adjusted to the proper position inside the connecting groove b35, then the fixing bolt c33 in the mounting screw hole c34 is tightened, the top of the fixing bolt c33 is pressed against the flexible protective layer 5 on the side of the fixing rod b8, so as to adjust the leg pad 3 to the proper position, and then the patient's legs are fixed by using the fixing belt.

[0062] In this way, the adjustment and fixation of the support point of the patient's leg can provide the most suitable support point for the patient's leg.

[0063] Embodiment 7

[0064] As shown in Figures 1 to 8

[0065] Further, the end of the fixing belt b36 is provided with a plug buckle (not shown in the figure);

[0066] Wherein, the length of the fixing belt b36 can be quickly adjusted by the plug buckle, so that the patient's legs can be quickly fixed on the leg pad 3.

[0067] In summary, the device is provided with a split head pad 1, a buttock pad 2, a leg pad 3 and a fixing rod, so that medical staff can adjust the patient's head to switch between lying, lying and sitting positions, and provide support by using the device; and when sitting, the angle can be adjusted appropriately, and the angle of the patient's legs can also be adjusted, the position of the head and the legs is adjusted according to the height of different patients, the head pad 1 and the leg pad 3 are adjusted to the proper position of the patient, and the applicability of the device is improved; after the device provides support for the patient, the support data of different patients during treatment can be recorded, and the device can be quickly adjusted to provide support according to the adjusted support data in the next treatment room, so that the device reaches a comfortable support position, and ensures that the patient's body position is the same, achieves precise adjustment, and records the body position.

[0068] Working principle of the application:

[0069] Before treatment, the patient sits on the cushion a15 of the buttock pad 2, then the connecting port b17 is threadedly connected with the fixing rod b8, then the patient's legs are lifted, and the leg pad 3 is placed under the patient's legs;

[0070] ​When installing the leg pad 3, the left end of the fixing rod b8 is inserted into the connecting groove b35, and the top end of the fixing rod b8 is adjusted to the appropriate position inside the connecting groove b35. Then, the fixing bolt c33 in the mounting screw hole c34 is tightened, and the top of the fixing bolt c33 is pressed against the flexible protective layer 5 on the side of the fixing rod b8, so as to adjust the leg pad 3 to the appropriate position. Then, the patient's legs are fixed by using the fixing belt. The medical staff can see the scale of the fixing rod b8 inserted into the connecting groove b35 on the side of the fixing rod b8, and record the scale on the treatment record;

[0071] The leg pad 3 is moved on the fixing rod b8 to the appropriate position. The rotation of the shaft b27 on the connecting cylinder b26 is driven by the fixing rod b8, so that the patient's legs can be outwardly opened to a comfortable angle on the horizontal plane. The rotation damper b28 can increase the resistance between the shaft b27 and the base b14 during adjustment, so as to prevent the shaft b27 from being easily rotated. The size of the resistance is adjusted according to the required force in actual use. After the patient's legs are adjusted to the appropriate position, the patient's legs are fixed. In this way, the medical staff can adjust the position of the patient's legs, and can record the body position information of the patient by using the indicating strip b29 and the rotation scale b30, so as to quickly adjust and ensure the same body position of the patient during the next treatment.

[0072] When connecting the head pad 1 to the hip pad 2 by the fixing rod a7, the left end of the fixing rod a7 is inserted into the connecting groove. The bottom end of the fixing bolt a11 is pressed against the flexible protective layer 5 on the outside of the fixing rod a7 by tightening the fixing bolt a11 in the mounting screw hole a12, so that the fixing rod a7 can be adjusted in position inside the connecting groove a13. The flexible protective layer 5 on the outside of the fixing rod a7 can be made of rubber material with good elasticity, which can enhance the friction between the bottom of the fixing bolt a11 and the fixing rod a7, ensure the fixing effect, and prevent the patient from being bumped by the fixing rod. After the head pad 1 is fixed, the medical staff can see the scale of the fixing rod a7 inserted into the connecting groove a13 on the side of the fixing rod a7, and record the scale on the treatment record. The head pad 1 can be quickly arranged according to the scale during the next treatment for the same patient, which reduces the fixing time of the patient's treatment position. When the patient is supine, the head is placed on the ring-shaped pad. When the patient is prone, the face is placed on the ring-shaped pad.

[0073] After the patient's leg is fixed, the threaded rod 4 at the right end of the fixing rod a7 is screwed into the connecting cylinder a19, and then the angle of the fixing rod a7 is adjusted according to the body position of the patient's upper body, the fixing rod a7 drives the rotating shaft a20 to rotate between the rotating dampers a21, and the fixing rod a7 is adjusted to the appropriate angle, at this time, the head pad 1 is adjusted to the appropriate position of the patient's head, and the bottom end of the fixing bolt b24 is twisted onto the flexible pad on the side of the rotating shaft a20 by tightening the fixing bolt b24, because the rotating damper a21 itself has resistance to fix the angle, the fixing bolt can assist the rotating damper a21 to fix the rotating shaft a20, so that the angle of the fixing rod a7 on the rotating shaft a20 and the head pad 1 is fixed, and then the patient's hips are fixed on the base b14 by the fixing belt a18 to complete the fixing, at this time, the angle on the rotating scale a23 can be read through the indicating strip a22 on the side of the connecting cylinder a19, so that the fixing rod a7 can be adjusted to the position during the last treatment when the patient is fixed next time, and the angle of the patient's head can be adjusted to make the patient fixed in the treatment position of lying and sitting posture;

[0074] The head pad 1, the hip pad 2 and the leg pad 3 in the above embodiment are all provided with anti-skid pads below, and the soft pad supplemented on the fixing rod can be added with an inflatable cavity to inflate and adjust the space of the contact position with the patient to improve the comfort of the patient during treatment;

[0075] Up to now, the working principle of the device is described.

[0076] It should be noted that, in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0077] Although the embodiments of the present application have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A radiotherapy positioning fixation device with multi-directional adjustment function, comprising a fixing base and a fixing rod, wherein the fixing bases are connected by the fixing rod, characterized in that: The fixed base also includes a head pad (1), a buttock pad (2), and a leg pad (3). The head pad (1) is connected to the left side of the buttock pad (2) by a fixing rod, and the leg pad (3) is connected to the right side of the buttock pad (2) by a fixing rod. The right end of the fixing rod is provided with a threaded rod (4), and the outside of the fixing rod is wrapped with a flexible protective layer (5). The surface of the flexible layer is provided with straight scale (6).

2. The radiotherapy positioning device with multi-directional adjustment function according to claim 1, characterized in that: The fixing rod also includes fixing rod a (7) and fixing rod b (8), with the length of fixing rod a (7) being greater than the length of fixing rod b (8).

3. The radiotherapy positioning device with multi-directional adjustment function according to claim 1, characterized in that: The head pad (1) also includes a base a (9), an annular pillow (10), a fixing bolt a (11), a mounting screw hole a (12), and a connecting groove a (13). The annular pillow (10) is located above the base a (9), the connecting groove a (13) is located through the front side of the base a (9), the mounting screw hole a (12) is located at the front side of the connecting groove a (13), and the fixing bolt a (11) is threaded into the mounting screw hole a (12).

4. The radiotherapy positioning device with multi-directional adjustment function according to claim 1, characterized in that: The hip pad (2) also includes a base b (14), a pad a (15), a connecting port a (16), a connecting port b (17), and a fixing strap a (18). The pad a (15) is located above the base b (14), the connecting ports a (16) are located on the rear side of the base b (14), and the connecting ports b (17) are located on the left and right sides of the front side of the base b (14).

5. A radiotherapy positioning device with multi-directional adjustment function according to claim 4, characterized in that: The connection port a (16) further includes a connecting cylinder a (19), a rotating shaft a (20), a rotation damper a (21), an indicator strip a (22), a rotation scale a (23), a fixing bolt b (24), and a mounting screw hole b (25). The connecting cylinder a (19), which has internal threads, is located on the rear side of the base b (14). The rotating shaft a (20) is located on the rear side of the connecting cylinder a (19) and is rotatably located on the rear side of the base b (14). A rotation damper a (21) is provided at the rotational connection between the rotating shaft a (20) and the base b (14). A strip a (22) is set on the side of the connecting cylinder a (19), a rotating scale a (23) is set on the base b (14) on the side of the rotating shaft a (20), and the rotating scale a (23) and the indicator strip a (22) are located on the same side. A mounting screw hole b (25) is set on the base b (14) on the side of the rotating shaft a (20), and a fixing bolt b (24) is threaded to the side of the rotating shaft a (20). The bottom of the fixing bolt b (24) is located on the side of the rotating shaft a (20), and a flexible pad is provided between the rotating shaft a (20) and the fixing bolt b (24).

6. A radiotherapy positioning device with multi-directional adjustment function according to claim 4, characterized in that: The connection port b (17) also includes a connecting cylinder b (26), a rotating shaft b (27), a rotation damper b (28), an indicator bar b (29), and a rotation scale b (30). The connecting cylinder b (26) is located on the front side of the rotating shaft b (27), and the rotating shaft b (27) is rotatably located on the front side of the base b (14). The rotation damper b (28) is located between the base b (14) and the rotating shaft b (27). The indicator bar b (29) is located above the connecting cylinder b (26), and the rotation scale is located on the base b (14) above the connecting cylinder b (26).

7. A radiotherapy positioning device with multi-directional adjustment function according to claim 4, characterized in that: The end of the fixing strap a (18) is provided with a buckle.

8. A radiotherapy positioning device with multi-directional adjustment function according to claim 1, characterized in that: The leg pad (3) also includes a base c (31), a pad b (32), a fixing bolt c (33), a mounting screw hole c (34), a connecting groove b (35), and a fixing strap b (36). The pad b (32) is provided on the top of the base c (31). The connecting groove b (35) is provided through the interior of the base c (31). The mounting screw hole c (34) is provided on the rear side of the connecting groove b (35). The fixing bolt c (33) is threaded onto the mounting screw hole c (34). The fixing strap b (36) is provided on the side of the base c (31).

9. A radiotherapy positioning device with multi-directional adjustment function according to claim 8, characterized in that: The end of the fixing strap b (36) is provided with a buckle.

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