Adjustable support frame for radiotherapy

By designing an adjustable radiotherapy support frame, the problem of damage to the brachial plexus nerve during carbon ion radiotherapy is solved, and personalized protection of the arms of different patients is achieved, reducing the risk of post-radiotherapy complications.

CN119746285APending Publication Date: 2025-04-04GANSU WUWEI CANCER HOSPITAL
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Patent Information

Application Number
CN202510238485.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

During carbon ion radiotherapy under breathing control, the patient's brachial plexus nerve is easily damaged, resulting in symptoms such as numbness of the upper limbs, loss of shrug function, and positive Horner signs, which increases the patient's recovery time and complications.

Method used

An adjustable support frame for radiotherapy is designed, including a bed card, main bracket, lift rod, transverse adjustment bracket and arm frame. Through the adjustment of these components, it can adapt to the arm length, arm circumference and curvature of different patients, and provides a 360-degree adjustable soft wrist fixator to protect the brachial plexus nerve.

Benefits of technology

This support stent can effectively protect the patient's brachial plexus nerve and reduce the risk of numbness and loss of function of the upper limb after radiotherapy. It is suitable for a variety of patients, including those with congenital arm deformities and those who are unable to move their wrist joints, improving the patient's comfort and rehabilitation efficiency.

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Abstract

The present invention discloses an adjustable support frame for radiotherapy, including a bed card, a main support rotatably mounted on the top of the bed card, a lifting rod telescopically mounted inside the main support, positioning holes arranged vertically on the surface of the lifting rod, positioning pins inserted inside the positioning holes, two left and right lateral adjustment supports staggeredly mounted on the upper end of the lifting rod through a fixed axis, and an arm frame rotatably mounted on the outer end of the lateral adjustment support. The present invention is suitable for any patient, including those with congenital arm deformities, those with different lengths of left and right arms, and those with immobile wrist joints; the main support can be raised and lowered to replace the large-scale lifting and lowering of the treatment bed; at the connection between the main support and the left and right arm supports, a device that can be adjusted and stretched 360 degrees at will is provided, and the angle and height can be adjusted as the patient's body position changes.
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Description

Technical Field

[0001] The invention relates to the technical field of rehabilitation therapy auxiliary medical equipment, in particular to an adjustable support frame for radiotherapy. Background Art

[0002] In recent years, the problem of brachial plexus damage in patients undergoing carbon ion radiotherapy under respiratory control has gradually increased. Because patients need to fix their arms behind their heads for a long time during carbon ion radiotherapy under respiratory control, the chance of brachial plexus damage is greatly increased. After treatment, patients may experience symptoms such as upper limb numbness, loss of shrug function, and positive Horner sign, which increases the patient's recovery time and other complications. Summary of the invention

[0003] The purpose of the present invention is to provide an upper limb protection device to solve the problem of patients stretching their arms and placing them behind their heads during carbon ion radiotherapy under respiratory control, causing damage to the brachial plexus and the problem of patients recovering after radiotherapy.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an adjustable support frame for radiotherapy, comprising a bed card, a main support is rotatably installed on the top of the bed card, a lifting rod is telescopically installed inside the main support, positioning holes are vertically arranged on the surface of the lifting rod, positioning pins are inserted inside the positioning holes, two left and right lateral adjustment brackets are staggeredly installed on the upper end of the lifting rod through a fixed axis, an arm frame is rotatably installed on the outer end of the lateral adjustment bracket, and a wrist fixator is movably installed on the end of the arm frame.

[0005] As a preferred solution, a placement groove is provided inside the arm frame, an airbag is installed inside the placement groove, and the airbag is installed in a close fit with the inner wall of the arm frame.

[0006] As a preferred solution, a positioning screw is installed inside the left end of the bed card through a threaded groove, and a filling pad is bonded to the top of the inner cavity of the bed card.

[0007] As a preferred solution, an inflatable cushion is bonded to the top of the lateral adjustment bracket, and the middle end of the lateral adjustment bracket is connected via a pin.

[0008] As a preferred solution, a placement plate is movably mounted on the outer end of the arm frame, a steering shaft is rotatably mounted on the inner side of the placement plate, and a portion of the surface of the steering shaft is embedded in the interior of the placement plate and rotatably mounted.

[0009] As a preferred solution, a through slot is provided on the outside of the main bracket, and one end of the positioning pin is located inside the through slot and can be movably pulled out.

[0010] As a preferred solution, the placement groove inside the arm frame is designed to be arc-shaped, and the arm frame as a whole and the lateral adjustment bracket are designed to rotate.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. The adjustment of the curvature and length of the left and right arm support slots and the adjustment of the wrist fixator of the present invention are suitable for any patient, including those with congenital arm deformities, those with different lengths of left and right arms, and those with immobilized wrist joints. The total support can be raised and lowered and adjusted, and can replace the large-scale lifting and lowering of the treatment bed. At the connection between the total support and the left and right arm supports, a device that can be adjusted and stretched 360 degrees at will is provided, and the angle and height can be adjusted as the patient's body position changes.

[0012] 2. The present invention has several through grooves on the surface of the main support, and the height can be adjusted according to the body position. The main support can be fixed to the head of the treatment bed and can be stretched and adjusted according to the patient's arm length; the left and right arm supports can be adjusted according to the patient's arm length, arm circumference and curvature, and 360-degree adjustable soft wrist fixators are provided at the ends of the left and right arm supports to increase the patient's comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural stereogram of the present invention from a first viewing angle; Figure 2 It is a structural stereogram of the second viewing angle of the present invention; Figure 3 It is a partial structural cross-sectional view of the present invention; Figure 4 It is the front view of the structure of the present invention.

[0014] In the figure: 1. bed card; 2. positioning screw; 3. filling pad; 4. main bracket; 5. lifting rod; 6. positioning hole; 7. positioning pin; 8. lateral adjustment bracket; 9. arm rack; 10. placement slot; 11. wrist fixer; 12. airbag; 13. inflatable cushion; 14. placement plate; 15. steering shaft. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0017] Embodiment 1: See also Figure 1 As shown, the present invention provides an adjustable support frame for radiotherapy, including a bed card 1, a main support 4 is rotatably installed on the top of the bed card 1, a lifting rod 5 is telescopically installed inside the main support 4, positioning holes 6 are arranged vertically on the surface of the lifting rod 5, and positioning pins 7 are inserted inside the positioning holes 6. Two left and right lateral adjustment brackets 8 are staggeredly installed on the upper end of the lifting rod 5 through a fixed axis, an arm frame 9 is rotatably installed on the outer end of the lateral adjustment bracket 8, and a wrist fixer 11 is movably installed on the end of the arm frame 9.

[0018] The present technical solution is provided with an arm support 9 and a wrist fixator 11, and the adjustment of the curvature and length of the left and right arm support slots and the adjustment of the wrist fixator 11 are suitable for any patient, including those with congenital arm deformities, those with arms of different lengths, those with immobilized wrist joints, etc. The total support can be raised and lowered and adjusted, and can replace the large-scale raising and lowering of the treatment bed; at the connection between the total support and the left and right arm supports, a device that can be adjusted and stretched 360 degrees at will is provided, and the angle and height can be adjusted as the patient's body position changes.

[0019] Embodiment 2: Based on the first embodiment, the present invention is as follows Figure 1 As shown, it is disclosed that a placement groove 10 is opened inside the arm frame 9, and an airbag 12 is installed inside the placement groove 10. The airbag 12 is installed in a close fit on the inner wall of the arm frame 9.

[0020] Use Figure 1 In the technical solution shown, the airbag 12 can be inflated to an adjustable angle according to the different stretching angles of the left and right arms of the patient, thereby protecting the patient's arms.

[0021] Secondly, in the technical solution, a positioning screw 2 is installed inside the left end of the bed card 1 through a threaded groove, and a filling pad 3 is bonded to the top of the inner cavity of the bed card 1; an inflatable pad 13 is bonded to the top of the lateral adjustment bracket 8, and the middle end of the lateral adjustment bracket 8 is connected through a pin shaft.

[0022] Its use is as Figure 1 In the technical solution shown, the bed card 1 is locked and reinforced by the positioning screw 2 after being clamped on the bed frame, and the internal filling pad 3 can fill the internal installation gap. At the same time, the inflatable cushion 13 on the top of the lateral adjustment bracket 8 can increase the comfort of the shoulder blade and provide protection.

[0023] Embodiment three: The present invention Figure 1-Figure 4 As shown, a placement plate 14 is movably installed on the outer end of the arm frame 9, and a steering shaft 15 is rotatably installed on the inner side of the placement plate 14, and a part of the surface of the steering shaft 15 is embedded in the interior of the placement plate 14 and rotatably installed; a through groove is opened on the outside of the main bracket 4, and one end of the positioning pin 7 is located inside the through groove and can be movably pulled out; the placement groove 10 inside the arm frame 9 is an arc-shaped design, and the arm frame 9 as a whole and the lateral adjustment bracket 8 are rotatably designed.

[0024] By adopting the above technical solution, there are several through grooves on the surface of the main support 4, and the height can be adjusted at will according to the body position. The main support 4 can be fixed to the head of the treatment bed and can be stretched and adjusted according to the patient's arm length; the left and right arm supports can be adjusted at will according to the patient's arm length, arm circumference and curvature, and a 360-degree adjustable soft wrist fixator 11 is provided at the end of the left and right arm supports to increase the patient's comfort.

[0025] The working principle of the present invention is: the patient lies flat on the treatment bed in the supine position, the patient's arm length, height, and curvature are calculated, and the lifting rod 5 inside the main bracket 4 is pulled out, the upper arms are placed in the left and right arm bracket placement slots 10 respectively, and the wrists are fixed in the wrist fixers 11, the patient is fixed firmly and any structure of the device is adjusted according to the patient's oral instructions until the patient is satisfied.

[0026] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, changes in orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to an alternative embodiment. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0027] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention).

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. An adjustable support frame for radiotherapy, comprising a bed card (1), characterized in that: A main bracket (4) is rotatably mounted on the top of the bed card (1); a lifting rod (5) is telescopically mounted inside the main bracket (4); positioning holes (6) are arranged vertically on the surface of the lifting rod (5); positioning pins (7) are inserted into the positioning holes (6); two left and right lateral adjustment brackets (8) are staggeredly mounted on the upper end of the lifting rod (5) via a fixed axis; an arm bracket (9) is rotatably mounted on the outer end of the lateral adjustment bracket (8); and a wrist fixer (11) is movably mounted on the end of the arm bracket (9).

2. The adjustable support frame for radiotherapy according to claim 1, characterized in that: A placement groove (10) is provided inside the arm frame (9), an air bag (12) is installed inside the placement groove (10), and the air bag (12) is installed in close contact with the inner wall of the arm frame (9).

3. The adjustable support frame for radiotherapy according to claim 1, characterized in that: A positioning screw (2) is installed inside the left end of the bed card (1) through a threaded groove, and a filling pad (3) is bonded to the top of the inner cavity of the bed card (1).

4. The adjustable support frame for radiotherapy according to claim 1, characterized in that: An inflatable cushion (13) is bonded to the top of the lateral adjustment bracket (8), and the middle end of the lateral adjustment bracket (8) is connected via a pin.

5. The adjustable support frame for radiotherapy according to claim 1, characterized in that: A placement plate (14) is movably mounted on the outer end of the arm frame (9), a steering shaft (15) is rotatably mounted on the inner side of the placement plate (14), and a portion of the surface of the steering shaft (15) is embedded in the interior of the placement plate (14) and is rotatably mounted.

6. The adjustable support frame for radiotherapy according to claim 1, characterized in that: A through slot is provided on the outside of the main bracket (4), and one end of the positioning pin (7) is located inside the through slot and can be movably drawn.

7. The adjustable support frame for radiotherapy according to claim 1, characterized in that: The placement groove (10) inside the arm frame (9) is designed to be arc-shaped, and the arm frame (9) as a whole and the lateral adjustment bracket (8) are designed to rotate.