A body position fixing device for patients undergoing radiotherapy in a sitting position

Abstract

The present invention discloses a body position fixing device for sitting radiotherapy patients, and relates to the technical field of radiotherapy. The present invention specifically comprises a base, a support part and a shielding part, wherein 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 to the support part, and the shielding part is used to shield the radiotherapy rays. The present invention is provided with a base and a support part, and the base and the support part can cooperate to fix the posture of the patient and prevent the patient's posture from changing, while the shielding part can be used to shield the rays and prevent the rays from irradiating other parts of the patient to ensure the safety of radiotherapy.

Description

Technical Field

[0001] The invention relates to the technical field of radiotherapy, and in particular provides a body position fixing device for a patient undergoing radiotherapy in a sitting position. Background Art

[0002] In the radiotherapy process for cancer patients, body position fixation is a very important link. It is related to the accuracy of the patient's radiotherapy and whether normal tissues can be effectively protected. Usually, radiotherapy patients take a lying position for radiotherapy, and the most commonly used position is supine. Because in the supine position, the patient feels more comfortable and can keep the body stable for a longer time, avoiding involuntary movement, thus ensuring the accuracy of the radiotherapy position.

[0003] However, some patients are limited by their illness or physical factors, such as severe superior vena cava syndrome, severe pain from bone metastasis, or severe kyphosis. They cannot lie down and are forced to sit for radiotherapy. However, there are currently no body fixation devices specifically designed for patients undergoing sitting radiotherapy on the market. Without the assistance of a fixation device, it is difficult for the patient to keep his body stable during the entire radiotherapy period, which increases the risk of radiotherapy. Therefore, the risk of body fixation for patients who need sitting radiotherapy needs to be addressed urgently. Summary of the invention

[0004] The present invention provides a body position fixing device for patients undergoing radiotherapy in a sitting position. Patients who need to undergo radiotherapy in a sitting position have the problem of body position fixing risks.

[0005] The technical solution of the present invention is as follows:

[0006] A body position fixing device for sitting radiotherapy patients comprises a base, a supporting part and a shielding part, wherein the supporting part is arranged on the upper side of the base, the supporting part is used to support the patient from the side, the shielding part is connected to the supporting part, the shielding part is used to shield the radiotherapy rays, the supporting part comprises a side panel and a strip plate, the bottom of the side panel is connected to the base, the two sides of the base are respectively provided with side panels, the two sides of the side panels are respectively provided with mounting holes, the two ends of the strip plate are respectively connected to the strip holes on the two side panels, the two sides of the side panels are respectively installed with strip plates, the strip plates are used to support the patient's body from the front and back sides to prevent the patient's body from moving.

[0007] In this solution, the base can provide a sitting area for the patient, and the support part can support the patient from the side to prevent the patient's posture from changing, ensure that the patient's posture does not change during radiotherapy, reduce the radiation exposure to other parts of the body during radiotherapy, and reduce the risk of radiotherapy in a sitting state. The base is placed on the radiotherapy bed, and the radiotherapy bed moves the entire fixture to the radiotherapy position. The shielding part is used to shield the area of ​​the patient that is not required for radiotherapy to prevent the radiotherapy radiation from irradiating other parts of the patient. The strip board can support the patient from the front and back sides to prevent the patient's body from moving in the front and back direction, thereby ensuring that the radiotherapy area on the patient's body is stable and the radiotherapy radiation can accurately irradiate the patient's radiotherapy area.

[0008] During radiotherapy, the target area of ​​radiotherapy varies from patient to patient. In order to solve the problem that the shielding part is difficult to adapt to different radiotherapy, the shielding part is detachably connected to the supporting part, and the supporting part is provided with multiple connecting structures. The shielding part changes the shielding range by connecting with different connecting structures.

[0009] In this solution, the shielding part is connected to different connection structures, so that the position of the shielding part can be changed, so that the shielding part can change the shielding range according to different radiotherapy ranges to be suitable for different radiotherapy.

[0010] In order to solve the problem of low installation and removal efficiency of the shielding part due to the fixed connection position, a hook is provided, and the supporting part and the shielding part are respectively provided with hanging holes in the vertical direction and the horizontal direction, and the two ends of the hook are respectively connected to the hanging holes of the supporting part and the shielding part.

[0011] In this solution, the use of hooks has the advantages of quick fixing and quick removal, which can improve installation efficiency.

[0012] Preferably, it includes lead plates, and the lead plates are combined to form the shielding part.

[0013] In this solution, the lead plate has a double blocking effect on the radiation, which can prevent the radiation from irradiating locations outside the target area.

[0014] In order to solve the problem of the position shift of the radiotherapy area caused by the body movement caused by the patient's breathing, the strip plate is also used to compress the patient's radiotherapy area to prevent the position shift of the patient's radiotherapy area.

[0015] In this solution, the support plate presses the surface of the patient's radiotherapy area to fix the position of the body surface in the radiotherapy area, avoiding excessive fluctuations in the body surface caused by the patient's breathing and causing the position of the radiotherapy area to shift, thereby improving the accuracy of radiotherapy.

[0016] In order to solve the problem that the strip plates cannot be used universally due to factors such as different heights and body shapes of different patients, or different radiotherapy areas, multiple mounting holes are provided on both sides of the side plates, and the mounting holes are arranged in the vertical direction and the horizontal direction respectively.

[0017] In this solution, multiple mounting holes are provided, and the strip plates can be installed in different mounting holes according to the height and body type of the patient, or according to different radiotherapy areas, thereby changing the position of the strip plates, so that the strip plates are suitable for patients of different heights and body types or for different radiotherapy areas. For example, when the body types of the patients are different, for fatter patients, the strip plates on the front and rear sides can be installed in mounting holes with a larger spacing. When the heights of the patients are different, the strip plates can be installed in mounting holes of different heights to be suitable for patients of different heights.

[0018] In order to solve the problem of instability when the device is placed on the radiotherapy bed and avoid the base shifting which causes the patient's posture or position to shift, resulting in the wrong radiotherapy ray irradiation position, a fixing component is also included, which is connected to the base and is used to fix the base.

[0019] In this solution, a fixing mechanism is provided, by which the base can be fixed to the radiotherapy bed to prevent the base from shifting and causing the patient's position to move, thereby preventing the irradiation area of ​​the radiotherapy rays from changing and preventing the radiotherapy rays from irradiating other parts of the human body.

[0020] Specifically, the fixing assembly includes a clamping strip, a positioning portion, a locking bolt and a clamping block. The positioning portion abuts against the base, and the positioning portion is used to prevent the base from moving in the horizontal direction. Locking bolts are respectively provided on both sides of the clamping strip, and the locking bolts are rotatably connected to the clamping strip. The clamping block is provided with a threaded hole adapted to the locking bolt, and the clamping block is connected to the locking bolt. The clamping block is located on the lower side of the clamping strip, and the clamping block and the clamping strip clamp the radiotherapy bed from the upper and lower sides respectively.

[0021] In this solution, the base and the clamping strip are fixed in position by the cooperation of the positioning block and the positioning hole, so as to prevent the base from shifting in the horizontal direction. The clamping strip and the clamping block can clamp the radiotherapy bed from the upper and lower sides under the action of the locking bolt, so that the clamping strip is fixedly connected to the radiotherapy bed. After the clamping strip is fixedly connected to the radiotherapy bed, the base can be ensured to be fixed relative to the radiotherapy bed.

[0022] Preferably, the long side of the clip strip is parallel to the side panel.

[0023] In this solution, the long side of the clip strip is parallel to the side plate, that is, the long side of the clip strip is perpendicular to the long side of the radiotherapy bed. At this time, the length of the clip strip can be adapted to the width of the radiotherapy bed, and the length of the clip strip can be made shorter. When both ends of the clip strip are fixed, the shorter the length of the clip strip, the more stable the fixation of the clip strip.

[0024] The positioning part is a positioning rod or a positioning block, and the fixing assembly includes at least two positioning parts.

[0025] In this solution, the shape of the positioning portion can be selected according to the processing cost, and providing at least two positioning portions can increase the contact point with the base and improve the stability of fixing the base.

[0026] In order to solve the problem that the strip boards or side boards cannot fit closely to the patient and cannot fix the patient's posture, the fixing device also includes a pad, which is used to fill the gap between the strip boards and the patient, and the pad is a compressible flexible board.

[0027] In this solution, a pad can be filled between the strip board and the patient, and the pad is used to eliminate the space between the strip board and the patient, so that the patient's posture is fixed.

[0028] Beneficial effects of the present invention:

[0029] The present invention is provided with a base and a support part, which can cooperate with each other to fix the patient's posture and prevent the patient's posture from changing, while the shielding part can be used to shield the radiation and prevent the radiation from irradiating other parts of the patient, thereby ensuring the safety of radiotherapy. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solution of the present invention, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a front view of the first embodiment;

[0032] Figure 2 It is a left side view of the first embodiment;

[0033] Figure 3 It is a front view of the second embodiment;

[0034] Figure 4 is a cross-sectional view of a fixing assembly of Embodiment 2;

[0035] Figure 5 It is a front view of another fixing assembly used in the second embodiment;

[0036] Figure 6 It is a structural diagram of embodiment 1.

[0037] In the above drawings, the corresponding reference numerals are as follows:

[0038] 1. Base; 2. Side panel; 3. Strip plate; 4. Shielding part; 5. Mounting hole; 6. Clamping strip; 7. Locking bolt; 8. Clamping block; 9. Positioning part; 10. Radiotherapy bed; 11. Positioning bolt. DETAILED DESCRIPTION

[0039] In conjunction with the accompanying drawings, the technical solution of the present invention is clearly and completely described through specific implementation methods of the embodiments of the present invention.

[0040] Embodiment 1:

[0041] like Figure 1 As shown, the first embodiment provides a body position fixing device for patients undergoing sitting radiotherapy, comprising a base 1, a support portion and a shielding portion 4. The bottom of the support portion is connected to the base 1. The base 1 is used to provide a seat for the patient so that the patient can sit on the base 1, and the support portion is used to support the patient from the side so that the patient's posture remains unchanged during the entire radiotherapy process. The shielding portion 4 is connected to the support portion and is used to shield the area of ​​the patient that does not need radiotherapy to prevent the radiotherapy rays from irradiating other areas.

[0042] The base 1 may be a flat plate structure, and a cushion may be provided on the top of the base 1, so that the patient can be more comfortable sitting on the base 1. When the patient feels comfortable sitting on the base 1, the patient can avoid subconsciously adjusting the posture due to discomfort, ensuring that the patient maintains the same posture during radiotherapy.

[0043] The support part can be a plate-shaped structure or a frame structure composed of profiles. When the support part is a plate-shaped structure, the contact area with the patient can be increased to avoid the support part causing pain to the patient. Therefore, the support part is preferably a plate-shaped structure.

[0044] The support part is used to support the patient from all sides, and the support part includes two side panels 2 and a plurality of strip panels 3. The bottom of the side panel 2 is connected to the base 1, and the left and right sides of the base 1 are respectively provided with side panels 2, and the patient's posture can be constrained from the left and right directions through the side panels 2, providing support for the patient and preventing the patient's posture from changing. The strip panels 3 are detachably connected to the side panels 2. After the patient sits on the base 1, the strip panels 3 can be installed on the side panels 2, and the front and back sides of the patient can be supported by the strip panels 3. The side panels 2 and the base 1 can be fixedly connected by fasteners such as screws.

[0045] like Figure 2 As shown, the side panels 2 are provided with mounting holes 5, and the two ends of the strip panels 3 are respectively inserted into the mounting holes 5 of the two side panels 2 to achieve the installation of the strip panels 3. The front and rear sides of the side panels 2 are respectively provided with a plurality of mounting holes 5, and the strip panels 3 are connected to different mounting holes 5, so that the strip panels 3 can be in different positions after installation.

[0046] A plurality of mounting holes 5 are provided on the side plate 2 in the vertical direction and the horizontal direction, so that the mounting height of the strip plate 3 and the front-back position of the strip plate 3 can be adjusted. The height of the strip plate 3 can be adjusted by connecting the strip plate 3 to the mounting hole 5 on the upper side or the lower side, and the front-back position of the strip plate 3 can be adjusted by connecting the strip plate 3 to the mounting hole 5 on the front side or the rear side.

[0047] Only one strip plate 3 may be arranged on the front side of the side plate 2 , or two, three or more strip plates 3 may be arranged, and the patient's abdomen or chest is supported by the strip plates 3 .

[0048] Similarly, only one strip plate 3 may be provided on the rear side of the side plate 2 , or two, three or more strip plates 3 may be provided to support the patient's back through the strip plates 3 .

[0049] like Figure 6 As shown, four strip boards 3 are installed on the side board 2, wherein two strip boards 3 are located at the front side for supporting the patient's body from the front side; the other two strip boards 3 are located at the back side for supporting the patient's body from the back side. The left and right sides of the patient are supported by the side boards 2, and the front and back sides of the patient are supported by the strip boards 3 respectively. Therefore, the patient is supported by the fixing device all around, so that the patient's posture can be kept unchanged, so that the patient's radiotherapy area can be accurately radiotherapyed.

[0050] After the patient's radiotherapy area is determined, the strip plate 3 is used to closely contact the body surface position corresponding to the radiotherapy area, and the strip plate 3 is connected to the side plate 2. The strip plate 3 presses the body surface corresponding to the patient's radiotherapy area, which can prevent the patient's body surface from fluctuating due to breathing and other reasons, causing the position of the radiotherapy area to shift. This setting can improve the accuracy of radiotherapy.

[0051] The mounting holes 5 are arranged in the horizontal direction, and the front and rear positions of the strip plates 3 can be adjusted to suit patients of different body shapes. At the same time, there is another effect that two strip plates 3 can be arranged on the front side of the patient, and the two strip plates 3 are not only arranged at different heights, but also at different front and rear positions. At this time, two strip plates 3 are also arranged on the back side of the patient, and the two strip plates 3 are also arranged at different heights and different front and rear positions, so that the upper body of the patient can be kept in a tilted state. By keeping the upper body of the patient in a tilted state, the patient exposes the treatment target area, which can reduce the difficulty of adjusting the angle of the radiation source and reduce the difficulty of adjusting the angle of the radiation source.

[0052] The strip plate 3 is a rectangular plate, and the size of the mounting hole 5 is the same as the cross-sectional size of the rectangular plate. When installing the strip plate 3, one end of the strip plate 3 can be passed through a mounting hole 5, so that the strip plate 3 is inserted between the two side plates 2, and then the strip plate 3 is pushed to move, so that the strip plate 3 is inserted into the mounting hole 5 on the other side plate 2. This way of inserting from the side can make the strip plate 3 closer to the patient's body surface, ensuring that the patient can be supported from the side.

[0053] When there is always a gap between the strip board 3 and the patient, a pad can be filled between the strip board 3 and the patient. The pad supports the patient to prevent the patient's posture from changing. Similarly, when there is a gap between the side board 2 and the patient, a pad can also be filled so that the pad supports the patient from both sides. In actual use, the pad is mainly filled on the other side of the patient's radiotherapy area. For example, when the patient's abdomen needs radiotherapy, a pad is filled on the patient's back so that the patient's chest rests on the strip board 3, so that the distance between the shielding part 4 and the patient's skin remains as close as possible, ensuring that the shielding position of the shielding part 4 is accurate.

[0054] The pad can be a foam board.

[0055] Both the strip plates 3 and the side plates 2 may be made of plates that allow radiation to pass through, so as to avoid the strip plates and the side plates blocking radiation and causing the target area to be unable to be treated.

[0056] The shielding part 4 and the strip plate 3 can be connected by a hook. For example, a hook is provided on the shielding part 4, and a hanging hole is provided on the strip plate 3. The hook is hung on the hanging hole, and the shielding part 4 can be quickly fixed and removed. The shielding part 4 is used to block radiotherapy rays, or the shielding part 4 is provided with a coating that can block radiotherapy rays, such as a coating formed by barium sulfate radiation-proof paint, or the shielding part 4 is provided with a material layer that can block rays, such as a lead plate that can block rays.

[0057] When the shielding part 4 blocks the radiation by means of a coating, the coating can be provided on a foldable flexible plate, and the edge shape of the shielding part 4 can be adapted to the shape of the radiotherapy target area by folding the shielding part 4. At this time, the shielding part 4 is light in weight, and the shielding part 4 and the strip plate 3 are provided with Velcro that adapt to each other. The shielding part 4 can be attached to the strip plate 3 by Velcro, and the attachment position can be suspended as needed, so as to flexibly adjust the shielding position of the shielding part 4. Velcro is used as a connection structure between the shielding part 4 and the strip plate 3. The shielding part 4 and the strip plate 3 can also adopt other connection structures, for example, the shielding part 4 and the strip plate 3 can be connected by thumbtacks. The shielding part 4 is nailed to the strip plate 3 by multiple thumbtacks.

[0058] The base 1 can be directly placed on the radiotherapy bed 10. During the radiotherapy process, the radiotherapy bed 10 will move to the radiotherapy position, carrying the entire fixture to the radiotherapy position, and then the radiotherapy will begin. After the radiotherapy is finished, the radiotherapy bed 10 will move out with the entire fixture.

[0059] Embodiment 2:

[0060] The second embodiment provides a body position fixing device for sitting radiotherapy patients. Different from the first embodiment, a fixing component is provided between the base 1 and the radiotherapy bed 10 of the second embodiment. The base 1 and the radiotherapy bed 10 are connected by the fixing component to prevent the base 1 from being unstable and the position of the base 1 from shifting when the radiotherapy bed 10 moves.

[0061] like Figure 3 As shown, the fixing assembly includes a clamping strip 6, a positioning portion 9, a locking bolt 7 and a clamping block 8. The top of the clamping strip 6 is provided with a positioning portion 9, and rotatable locking bolts 7 are provided on both sides of the clamping strip 6. The clamping block 8 is provided with threaded holes adapted to the locking bolts 7. The locking bolts 7 on both sides of the clamping strip 6 are respectively connected to the clamping blocks 8. The bottom of the base 1 is provided with positioning holes adapted to the positioning portion 9. The bottom surface of the clamping strip 6 is in contact with the top surface of the radiotherapy bed 10. The locking bolts 7 extend from both sides of the radiotherapy bed 10 to the lower side of the radiotherapy bed 10 respectively. The top surface of the clamping block 8 is against the bottom of the radiotherapy bed 10. By turning the locking bolt 7, the clamping block 8 can be moved upward, so that the clamping block 8 and the clamping strip 6 clamp the bed body of the radiotherapy bed 10 from the upper and lower sides, so as to achieve the effect of fixing the clamping strip 6 to the radiotherapy bed 10.

[0062] Or Figure 5 As shown, the positioning portion 9 abuts against the base 1 from the side, and in this case, there is no need to set a positioning hole on the base. In order to facilitate installation, a positioning bolt 11 is provided on the positioning portion 9. The positioning portion 9 is provided with a screw hole, and the positioning bolt 11 is transmission-connected with the screw hole on the positioning portion 9. Tightening the positioning bolt 11 can make the end of the positioning bolt abut against the base 1, thereby achieving the effect of fixing the base 1. The advantage of this setting method is that the contact position with the base 1 is higher, and the contact area with the base 1 can be larger, so that the base 1 can be fixed more stably.

[0063] like Figure 4 As shown, the top of the clamping strip 6 may be provided with one, two, three or more positioning parts 9, and the base 1 is provided with positioning holes having the same number as the positioning parts 9. After the positioning parts 9 are inserted into the positioning holes, the clamping strip 6 is connected to the base 1, and the positioning parts 9 can prevent the base 1 from moving in the horizontal direction. Providing multiple positioning seats can improve the stability of the connection.

[0064] The positioning portion 9 can be a positioning rod or a positioning block. The axis of the positioning rod is vertically arranged so that the base 1 can be placed on the clamping strip 6 from top to bottom, and the positioning rod is inserted into the positioning hole at the same time.

Claims

1. A body position fixing device for patients undergoing radiotherapy in a sitting position, characterized in that: The invention comprises a base (1), a supporting part and a shielding part (4), wherein the supporting part is arranged on the upper side of the base (1), the supporting part is used to support the patient from the side, the shielding part (4) is connected to the supporting part, the shielding part (4) is used to shield the radiotherapy rays, the supporting part comprises a side plate (2) and a strip plate (3), the bottom of the side plate (2) is connected to the base (1), the two sides of the base (1) are respectively provided with side plates (2), the two sides of the side plates (2) are respectively provided with mounting holes (5), the two ends of the strip plate (3) are respectively connected to the strip holes on the two side plates (2), the two sides of the side plates (2) are respectively provided with strip plates (3), the strip plates (3) are used to support the patient's body from the front and back sides to prevent the patient from The body moves, a plurality of mounting holes (5) are respectively arranged on both sides of the side plate (2), and each mounting hole (5) is arranged in the vertical direction and the horizontal direction respectively. Two strip plates (3) are arranged in front of the patient, and the two strip plates (3) are not only arranged at different heights, but also arranged in different front and back positions; two strip plates (3) are also arranged in the back of the patient, and the two strip plates (3) are also arranged at different heights and different front and back positions, so that the upper body of the patient is kept in a tilted state, so that the patient exposes the treatment target area; a coating capable of blocking radiotherapy rays is arranged on the shielding part (4), and the coating is arranged on a foldable flexible plate, and the edge shape of the shielding part (4) can be adapted to the shape of the radiotherapy target area by folding the shielding part (4).

2. A body position fixing device for sitting radiotherapy patients according to claim 1, characterized in that: The shielding portion (4) is detachably connected to the supporting portion, the supporting portion is provided with a plurality of connecting structures, and the shielding portion (4) changes its shielding range by connecting to different connecting structures.

3. A body position fixing device for sitting radiotherapy patients according to claim 2, characterized in that: The connection structure is a hook, and the support portion and the shielding portion (4) are respectively provided with hanging holes in the vertical direction and the horizontal direction, and the two ends of the hook are respectively connected to the hanging holes of the support portion and the shielding portion (4).

4. The body position fixing device for sitting radiotherapy patients according to claim 1, characterized in that: The shielding portion (4) comprises lead plates, and the lead plates are combined to form the shielding portion (4).

5. The body position fixing device for sitting radiotherapy patients according to claim 1, characterized in that: The strip plate (3) is also used to compress the patient's radiotherapy area to prevent the patient's radiotherapy area from shifting.

6. The body position fixing device for sitting radiotherapy patients according to claim 1, characterized in that: It also comprises a fixing component, which is connected to the base (1) and is used to fix the base (1).

7. A body position fixing device for sitting radiotherapy patients according to claim 6, characterized in that: The fixing assembly comprises a clamping strip (6), a positioning portion (9), a locking bolt (7) and a clamping block (8); the positioning portion (9) is against the base (1); the positioning portion (9) is used to prevent the base (1) from moving in the horizontal direction; locking bolts (7) are respectively arranged on both sides of the clamping strip (6); the locking bolts (7) are rotatably connected to the clamping strip (6); the clamping block (8) is provided with a threaded hole adapted to the locking bolt (7); the clamping block (8) is connected to the locking bolt (7); the clamping block (8) is located at the lower side of the clamping strip (6); the clamping block (8) and the clamping strip (6) clamp the radiotherapy bed (10) from the upper and lower sides respectively.

8. The body position fixing device for sitting radiotherapy patients according to claim 7, characterized in that: The positioning portion (9) is a positioning rod or a positioning block, and the fixing assembly comprises at least two positioning portions (9).

9. The body position fixing device for sitting radiotherapy patients according to claim 1, characterized in that: It also comprises a pad, which is used to fill the gap between the strip board (3) and the patient, and is a compressible flexible board.

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