Adjustable radiotherapy positioning pad

Abstract

The utility model discloses an adjustable radiotherapy positioning cushion, which relates to the technical field of positioning cushions; the utility model comprises a cushion body and a headrest, the headrest is located at one end of the cushion body, the cushion body is symmetrically distributed and staggered, an unfolding assembly is arranged on the cushion body, and an adjustment assembly is arranged between the unfolding assembly and the headrest; the double-headed screw is driven to rotate by the end of the first motor output shaft, the double-headed screw drives the slider to move in the opposite direction in the slide groove, the slider drives the cushion body to move, so that the cushion body is unfolded to increase the width of the cushion, which can avoid the situation that the width is not enough and the patient is easy to fall, thereby achieving the purpose of convenient use; the second gear is driven to rotate by the transmission shaft, the second gear drives the first gear to rotate, the first gear drives the rotating shaft to rotate, the rotating shaft drives the connecting block to rotate, so that the connecting block drives the headrest to rotate and adjust the angle, which can avoid the discomfort caused by the inability to adjust the headrest, thereby achieving the purpose of convenient adjustment.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning pads, in particular to an adjustable radiotherapy positioning pad. Background Art

[0002] The development of modern medicine has gradually made it possible for humans to control and conquer cancer. In the clinical treatment of tumors, surgery, radiotherapy and chemotherapy are the three main treatment methods. Radiotherapy has a wide range of indications and is highly selective. More than 70% of malignant tumor patients need radiotherapy at some stage of their treatment. In order to make radiotherapy easier to implement, positioning pads have emerged.

[0003] The width of existing positioning pads is mostly fixed. Due to the different body shapes of different patients, patients with wider bodies are prone to falling off, which in turn affects the effect of radiotherapy. To address the above problem, the inventor proposes an adjustable radiotherapy positioning pad to solve the above problem. Utility Model Content

[0004] In order to solve the problem that the patient is prone to fall off when the positioning pad has a fixed width, the utility model aims to provide an adjustable radiotherapy positioning pad.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions: an adjustable radiotherapy positioning cushion, comprising a cushion body and a headrest, the headrest being located at one end of the cushion body, the cushion body being symmetrically distributed and staggered with each other, an unfolding component being arranged on the cushion body, and an adjusting component being arranged between the unfolding component and the headrest; the unfolding component comprises a support plate, two support plates being symmetrically distributed, slide grooves being arranged on opposite sides of the support plates, the internal sliding cards of the slide grooves being provided with symmetrically distributed sliders, the opposite sides of the sliders being respectively fixedly connected to the outer sides of the cushion body, one of the slide grooves being internally rotatably installed with a double-headed screw rod, the two ends of the double-headed screw rod being respectively connected to the outer sides of the two sliders, the slider being driven to move in the opposite direction in the slide groove by the double-headed screw rod, and the slider driving the cushion body to move, so that the cushion body is unfolded to increase the width of the cushion, thus avoiding the situation where the patient is prone to falling due to insufficient width.

[0006] Preferably, the adjustment assembly includes a mounting plate, a rotating shaft is rotatably mounted on the inner side of the mounting plate, a connecting block is provided on the outer fixing sleeve of the rotating shaft, one end of the connecting block is fixedly connected to the bottom end of the headrest, and a first gear is provided on the outer fixing sleeve of the rotating shaft, a second gear is meshed on the outer side of the first gear, the first gear is driven to rotate by the second gear, the first gear drives the rotating shaft to rotate, and the rotating shaft drives the connecting block to rotate, so that the connecting block drives the headrest to rotate and adjust the angle, thereby avoiding discomfort caused by the inability to adjust the headrest.

[0007] Preferably, a guide rod is fixedly provided inside the slide groove away from the double-headed screw rod, and one end of the guide rod movably passes through the slider, so that the movement of the slider can be kept stable through the guide rod.

[0008] Preferably, a first motor is fixedly provided at one end of a support plate close to the double-ended screw, and the end of the output shaft of the first motor movably passes through the support plate and is fixedly connected to one end of the double-ended screw, so that the first motor can provide power for the rotation of the double-ended screw.

[0009] Preferably, a symmetrically distributed fixing plate is fixed on one side of the support plate close to the headrest, and a transmission shaft is rotatably installed on the opposite side of the fixing plate. One end of the transmission shaft is fixed and passes through the middle of the second gear. The transmission shaft can be conveniently installed through the fixing plate, and power can be conveniently transmitted to the second gear through the transmission shaft.

[0010] Preferably, a partition is fixedly provided inside the sliding groove close to the double-headed screw, and the partition is located between the two sliding blocks, and the sliding blocks can be separated by the partition.

[0011] Preferably, a second motor is fixedly provided on one side of the fixing plate away from the transmission shaft, and an end of the output shaft of the second motor movably passes through the fixing plate and is fixedly connected to one end of the transmission shaft, so that the second motor can provide power for the rotation of the transmission shaft.

[0012] Preferably, a footrest is fixedly provided on one side of the support plate away from the headrest, and the foot can be conveniently placed on the footrest.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The double-headed screw is driven to rotate by the end of the output shaft of the first motor, and the double-headed screw drives the slider to move in the opposite direction in the slide slot, and the slider drives the seat cushion body to move, so that the seat cushion body is unfolded to increase the width of the seat cushion, so as to avoid the situation where the width is not enough and the patient is easy to fall, thereby achieving the purpose of convenient use;

[0015] 2. The transmission shaft drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the rotating shaft to rotate, the rotating shaft drives the connecting block to rotate, so that the connecting block drives the headrest to rotate and adjust the angle, which can avoid discomfort caused by the inability to adjust the headrest, thereby achieving the purpose of convenient adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the structural section of the utility model.

[0019] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model.

[0020] Figure 4 It is a schematic diagram of the structure of the utility model.

[0021] In the figure: 1. Cushion body; 2. Unfolding assembly; 21. Support plate; 22. Slide groove; 23. Slider; 24. Double-headed screw; 25. Guide rod; 26. Partition; 27. First motor; 3. Headrest; 4. Adjustment assembly; 41. Mounting plate; 42. Rotating shaft; 43. Connecting block; 44. First gear; 45. Second gear; 46. Fixing plate; 47. Transmission shaft; 48. Second motor; 5. Footrest. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example: Figure 1-4As shown, the utility model provides a technical solution: an adjustable radiotherapy positioning cushion, comprising a cushion body 1 and a headrest 3, the headrest 3 is located at one end of the cushion body 1, the cushion body 1 is symmetrically distributed and staggered, an unfolding component 2 is arranged on the cushion body 1, and an adjusting component 4 is arranged between the unfolding component 2 and the headrest 3; the unfolding component 2 comprises a support plate 21, the two support plates 21 are symmetrically distributed, and a slide groove 22 is opened on the opposite side of the support plate 21, and the internal sliding card of the slide groove 22 is provided with a symmetrically distributed slider 23, and the opposite sides of the slider 23 are respectively fixedly connected to the outer side of the cushion body 1, and a double-headed screw rod 24 is rotatably installed inside one of the slide grooves 22, and the two ends of the double-headed screw rod 24 are respectively connected to the outer sides of the two sliders 23, and the slider 23 is driven by the double-headed screw rod 24 to move in the opposite direction in the slide groove 22, and the slider 23 drives the cushion body 1 to move, so that the cushion body 1 is unfolded to increase the width of the cushion, which can avoid the situation where the width is not enough and the patient is easy to fall.

[0024] The adjustment assembly 4 includes a mounting plate 41, on the inner side of which a rotating shaft 42 is rotatably mounted, an outer fixed sleeve of the rotating shaft 42 is provided with a connecting block 43, one end of the connecting block 43 is fixedly connected to the bottom end of the headrest 3, and an outer fixed sleeve of the rotating shaft 42 is provided with a first gear 44, and a second gear 45 is meshed on the outer side of the first gear 44.

[0025] By adopting the above technical solution, the second gear 45 drives the first gear 44 to rotate, the first gear 44 drives the rotating shaft 43 to rotate, and the rotating shaft 43 drives the connecting block 42 to rotate, so that the connecting block 42 drives the headrest 3 to rotate and adjust the angle, thereby avoiding discomfort caused by the inability to adjust the headrest 3.

[0026] A guide rod 25 is fixedly disposed inside the slide groove 22 away from the double-headed screw rod 24 , and one end of the guide rod 25 movably passes through the slider 23 .

[0027] By adopting the above technical solution, the sliding block 23 can be kept moving stably through the guide rod 25 .

[0028] A first motor 27 is fixedly provided at one end of the support plate 21 close to the double-ended screw rod 24 . The end of the output shaft of the first motor 27 movably passes through the support plate 21 and is fixedly connected to one end of the double-ended screw rod 24 .

[0029] By adopting the above technical solution, the first motor 27 can provide power for the double-headed screw 24 to rotate.

[0030] A symmetrically distributed fixing plate 46 is fixedly provided on one side of the support plate 21 close to the headrest 3 , and a transmission shaft 47 is rotatably mounted on the opposite side of the fixing plate 46 , one end of the transmission shaft 47 is fixedly passed through the middle of the second gear 45 .

[0031] By adopting the above technical solution, the transmission shaft 47 can be conveniently installed through the fixing plate 46 , and the power can be conveniently transmitted to the second gear 45 through the transmission shaft 47 .

[0032] A partition plate 26 is fixedly provided inside the slide groove 22 near the double-ended screw rod 24 , and the partition plate 26 is located between the two sliders 23 .

[0033] By adopting the above technical solution, the sliders 23 can be separated by the partition plate 26 .

[0034] A second motor 48 is fixedly provided on one side of the fixing plate 46 away from the transmission shaft 47 . The end of the output shaft of the second motor 48 movably passes through the fixing plate 46 and is fixedly connected to one end of the transmission shaft 47 .

[0035] By adopting the above technical solution, the second motor 48 can provide power for the transmission shaft 47 to rotate.

[0036] A footrest 5 is fixedly provided on one side of the support plate 21 away from the headrest 3 .

[0037] By adopting the above technical solution, the foot can be conveniently placed on the footrest 5.

[0038] Working principle: First, start the first motor 27 so that the first motor 27 starts working, and the end of the output shaft of the first motor 27 drives the double-headed screw 24 to rotate, and the double-headed screw 24 drives the slider 23 to move in the opposite direction in the slide groove 22, and the guide rod 25 keeps the slider 23 moving stably, and the slider 23 drives the seat cushion body 1 to move, so that the seat cushion body 1 is unfolded to increase the width of the seat cushion, thereby avoiding the situation that the patient is easy to fall due to insufficient width, thereby achieving the purpose of convenient use, and then, start the second motor 48 so that the second motor 48 starts working, and the end of the output shaft of the second motor 48 drives the transmission shaft 47 to rotate, and the transmission shaft 47 drives the second gear 45 to rotate, and the second gear 45 drives the first gear 44 to rotate, and the first gear 44 drives the rotating shaft 43 to rotate, and the rotating shaft 43 drives the connecting block 42 to rotate, so that the connecting block 42 drives the headrest 3 to rotate and adjust the angle, thereby avoiding the discomfort caused by the inability to adjust the headrest 3, thereby achieving the purpose of convenient adjustment.

[0039] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An adjustable radiotherapy positioning cushion, comprising a cushion body (1) and a headrest (3), characterized in that: The headrest (3) is located at one end of the seat cushion body (1); the seat cushion body (1) is symmetrically distributed and interlaced with each other; an unfolding component (2) is arranged on the seat cushion body (1); and an adjusting component (4) is arranged between the unfolding component (2) and the headrest (3); The unfolding assembly (2) comprises a support plate (21), wherein the two support plates (21) are symmetrically distributed, and a slide groove (22) is provided on the opposite side of the support plate (21), and the internal sliding card of the slide groove (22) is provided with a symmetrically distributed slider (23), and the opposite side of the slider (23) is respectively fixedly connected to the outer side of the cushion body (1), and a double-headed screw rod (24) is rotatably installed inside one of the slide grooves (22), and the two ends of the double-headed screw rod (24) are respectively connected to the outer sides of the two sliders (23).

2. The adjustable radiotherapy positioning pad according to claim 1, characterized in that: The adjustment assembly (4) comprises a mounting plate (41), a rotating shaft (42) is rotatably mounted on the inner side of the mounting plate (41), a connecting block (43) is provided on the outer fixed sleeve of the rotating shaft (42), one end of the connecting block (43) is fixedly connected to the bottom end of the headrest (3), a first gear (44) is provided on the outer fixed sleeve of the rotating shaft (42), and a second gear (45) is meshed on the outer side of the first gear (44).

3. The adjustable radiotherapy positioning pad according to claim 1, characterized in that: A guide rod (25) is fixedly provided inside the slide groove (22) away from the double-headed screw rod (24), and one end of the guide rod (25) movably passes through the slide block (23).

4. The adjustable radiotherapy positioning pad according to claim 1, characterized in that: A first motor (27) is fixedly provided at one end of the support plate (21) close to the double-ended screw rod (24); the end of the output shaft of the first motor (27) movably passes through the support plate (21) and is fixedly connected to one end of the double-ended screw rod (24).

5. The adjustable radiotherapy positioning pad according to claim 2, characterized in that: A symmetrically distributed fixing plate (46) is fixedly provided on one side of the support plate (21) close to the headrest (3), and a transmission shaft (47) is rotatably mounted on the opposite side of the fixing plate (46), and one end of the transmission shaft (47) is fixedly passed through the middle of the second gear (45).

6. The adjustable radiotherapy positioning pad according to claim 1, characterized in that: A partition plate (26) is fixedly provided inside the slide groove (22) close to the double-headed screw rod (24), and the partition plate (26) is located between the two sliding blocks (23).

7. The adjustable radiotherapy positioning pad according to claim 5, characterized in that: A second motor (48) is fixedly provided on one side of the fixing plate (46) away from the transmission shaft (47); an end portion of an output shaft of the second motor (48) movably passes through the fixing plate (46) and is fixedly connected to one end of the transmission shaft (47).

8. The adjustable radiotherapy positioning pad according to claim 1, characterized in that: A footrest (5) is fixedly provided on one side of the support plate (21) away from the headrest (3).

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