Radiotherapy positioning film convenient to position

Abstract

The utility model relates to the technical field of medical equipment, in particular to a radiotherapy positioning film convenient to position, which comprises a radiotherapy positioning film body, a winding drum and a fixing frame, a winding mechanism is arranged in the winding drum, the radiotherapy positioning film body is wound on the winding mechanism, and the fixing frame is fixed on the radiotherapy positioning film body. The end, away from the winding drum, of the radiotherapy positioning film body slidably penetrates through the fixing frame, a positioning mechanism is arranged in the fixing frame, and the lower end of the fixing frame is fixedly connected with a first mounting plate. Through the arrangement of the winding mechanism, when the radiotherapy positioning film body needs to be wound, the radiotherapy positioning film body can be automatically wound under the action of a torsional spring by loosening a handle and pulling a stretching rod upwards, and through the arrangement of the positioning mechanism, when the radiotherapy positioning film body needs to be positioned, only the stretching rod needs to be loosened, and the radiotherapy positioning film body can be automatically wound under the action of the torsional spring. And under the action of the spring, the stretching rod drives the pressing plate to move downwards so as to extrude and fix the radiotherapy positioning film body.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a radiotherapy positioning film which is easy to position. Background Art

[0002] Radiotherapy positioning film is a unique consumable used in radiotherapy. It is a special material that can be deformed in 60-degree hot water and harden quickly at normal temperature. During radiotherapy, patients are usually required to lie on a specific base, and radiotherapy positioning films of different sizes are selected according to the radiotherapy site, and then the radiotherapy positioning film is used to fix the radiotherapy site.

[0003] For example, the patent application document with authorization announcement number CN216169427U discloses a body membrane for radiotherapy positioning that is easy to position. Although it can position and fix the radiotherapy positioning model and adjust the fixed length of the radiotherapy positioning model, there is still the following problem, that is, it is difficult to achieve automatic winding of the radiotherapy positioning membrane and more convenient positioning. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that it is difficult to realize automatic rolling up of the radiotherapy positioning film and more convenient positioning, and to propose a radiotherapy positioning film that is easy to position.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A radiotherapy positioning film that is easy to position includes a radiotherapy positioning film body, a winding drum and a fixed frame. A winding mechanism is arranged inside the winding drum. The radiotherapy positioning film body is wound on the winding mechanism, and one end of the radiotherapy positioning film body away from the winding drum slides through the fixed frame. A positioning mechanism is arranged inside the fixed frame, and a mounting plate is fixedly connected to the lower end of the fixed frame.

[0007] Preferably, the winding mechanism includes a winding roller rotatably connected to the inner wall of the winding drum, the radiotherapy positioning film body is wound on the outer side of the winding roller, and the outer side of the winding roller is also rotatably connected to a circular fixed plate, and the outer side of the circular fixed plate is fixedly connected to a connecting plate, and the connecting plates are arranged in a circular array in multiple groups, and the ends of the multiple groups of connecting plates away from the circular fixed plates are fixedly connected to the inner wall of the winding drum.

[0008] Preferably, the winding mechanism further comprises a fixing column fixedly mounted on the circular fixing plate, a torsion spring is fixedly connected to the outer side of the fixing column, and the other end of the torsion spring is fixedly connected to the winding roller.

[0009] Preferably, a second mounting plate is fixedly connected to the lower end of the winding drum, and two groups of the second mounting plates are symmetrically arranged, and mounting holes are provided on both groups of the second mounting plates.

[0010] Preferably, the positioning mechanism includes a pressure roller rotatably connected to the inner wall of the fixed frame and a stretching rod slidably connected to the upper side wall of the fixed frame, the pressure roller is symmetrically arranged in two groups, the lower end of the stretching rod is located inside the fixed frame and fixedly connected to a pressure plate, and the outer sliding sleeve of the stretching rod is provided with a spring, the lower end of the spring is fixedly connected to the upper end of the pressure plate, the upper end of the spring is fixedly connected to the inner top wall of the fixed frame, a support platform is provided below the pressure plate, and the support platform is fixedly installed on the inner bottom wall of the fixed frame.

[0011] Preferably, a plurality of through holes are evenly formed on the radiotherapy positioning membrane body, and a positioning membrane frame is fixedly connected to one end of the radiotherapy positioning membrane body away from the fixed frame, a handle is fixedly connected to the positioning membrane frame, and a groove is formed inside the handle.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] 1. In the present application, by setting up a winding mechanism, when the length of the radiotherapy positioning film body needs to be adjusted, it is only necessary to pull the radiotherapy positioning film body by the handle; and when the radiotherapy positioning film body needs to be wound up, the handle is released and the stretching rod is pulled upwards so that the radiotherapy positioning film body can be automatically wound up under the action of the torsion spring, thereby avoiding the trouble of manual winding.

[0014] 2. In the present application, by setting the positioning mechanism, when the radiotherapy positioning membrane body needs to be positioned, it is only necessary to loosen the stretching rod. Under the action of the spring, the stretching rod drives the pressure plate to move downward to squeeze the radiotherapy positioning membrane body and fix it. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The overall structure of a radiotherapy positioning film that is easy to position is shown in the utility model. Figure 1 .

[0016] Figure 2 The overall structure of a radiotherapy positioning film that is easy to position is shown in the utility model. Figure 2 .

[0017] Figure 3 The utility model is a schematic diagram of the structure of a rolling mechanism of a radiotherapy positioning film which is easy to position.

[0018] Figure 4 The utility model is a schematic cross-sectional structure diagram of a fixing frame of a radiotherapy positioning membrane which is easy to position.

[0019] In the figure: 1 radiotherapy positioning film body, 2 winding drum, 3 fixing frame, 4 mounting plate 1, 5 winding roller, 6 circular fixing plate, 7 connecting plate, 8 fixing column, 9 torsion spring, 10 mounting plate 2, 11 mounting hole, 12 pressure roller, 13 stretching rod, 14 pressure plate, 15 support platform, 16 through hole, 17 positioning film frame, 18 handle, 19 groove, 20 spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 A radiotherapy positioning film that is easy to position includes a radiotherapy positioning film body 1, a winding drum 2 and a fixed frame 3. A winding mechanism is arranged inside the winding drum 2. The radiotherapy positioning film body 1 is wound on the winding mechanism, and one end of the radiotherapy positioning film body 1 away from the winding drum 2 slides through the fixed frame 3. A positioning mechanism is arranged inside the fixed frame 3, and the lower end of the fixed frame 3 is fixedly connected to a mounting plate 4.

[0022] The winding mechanism includes a winding roller 5 rotatably connected to the inner wall of the winding drum 2, the radiotherapy positioning film body 1 is wound on the outer side of the winding roller 5, and a circular fixing plate 6 is rotatably connected to the outer side of the winding roller 5, and a connecting plate 7 is fixedly connected to the outer side of the circular fixing plate 6. The connecting plates 7 are arranged in a ring array in multiple groups, and the ends of the multiple groups of connecting plates 7 away from the circular fixing plates 6 are fixedly connected to the inner wall of the winding drum 2. By providing the circular fixing plate 6 and the connecting plate 7, on the one hand, the winding drum 2 can be supported to enhance its strength, and on the other hand, the winding roller 5 can be supported to facilitate its winding.

[0023] The winding mechanism also includes a fixed column 8 fixedly mounted on the circular fixed plate 6, and a torsion spring 9 is fixedly connected to the outer side of the fixed column 8, and the other end of the torsion spring 9 is fixedly connected to the winding roller 5. Through the arrangement of the fixed column 8 and the torsion spring 9 in the winding mechanism, when the length of the radiotherapy positioning film body 1 needs to be adjusted, it is only necessary to pull the radiotherapy positioning film body 1 through the handle 18, and when the radiotherapy positioning film body 1 needs to be rolled up, the handle 18 is released and the stretching rod 13 is pulled upward, so that the radiotherapy positioning film body 1 can be automatically rolled up under the action of the torsion spring 9, thereby avoiding the trouble of manual rolling.

[0024] The lower end of the winding drum 2 is fixedly connected with a second mounting plate 10, and two groups of the second mounting plates 10 are symmetrically arranged, and both groups of the second mounting plates 10 are provided with mounting holes 11. By providing the second mounting plate 10 and the mounting holes 11, the winding drum 2 can be fixedly installed on one side of the bed.

[0025] The positioning mechanism includes a pressure roller 12 rotatably connected to the inner wall of the fixed frame 3 and a stretching rod 13 slidably connected to the upper side wall of the fixed frame 3. The pressure roller 12 is symmetrically arranged in two groups, the lower end of the stretching rod 13 is located inside the fixed frame 3 and is fixedly connected to a pressure plate 14, and the outer sliding sleeve of the stretching rod 13 is provided with a spring 20, the lower end of the spring 20 is fixedly connected to the upper end of the pressure plate 14, the upper end of the spring 20 is fixedly connected to the inner top wall of the fixed frame 3, and a support platform 15 is arranged below the pressure plate 14, and the support platform 15 is fixedly installed on the inner bottom wall of the fixed frame 3. The arrangement of the upper and lower groups of pressure rollers 12 facilitates the flattening of the radiotherapy positioning film body 1, so that wrinkles can be generated on its surface, and the arrangement of the positioning mechanism makes it easy to flatten the radiotherapy positioning film body 1 when it is necessary to position the radiotherapy positioning film body 1, and the stretching rod 13 only needs to loosen the stretching rod 13, and the stretching rod 13 drives the pressure plate 14 to move downward under the action of the spring 20, so as to squeeze the radiotherapy positioning film body 1 and fix it.

[0026] A plurality of through holes 16 are evenly provided on the radiotherapy positioning membrane body 1, and a positioning membrane frame 17 is fixedly connected to one end of the radiotherapy positioning membrane body 1 away from the fixing frame 3, a handle 18 is fixedly connected to the positioning membrane frame 17, and a groove 19 is provided inside the handle 18. The provision of a plurality of through holes 16 can enhance the air permeability of the radiotherapy positioning membrane body 1 and improve the comfort of the patient.

[0027] When the utility model is in use, the winding drum 2 is first fixedly installed on one side of the bed through the mounting plate 2 10, and then the fixing frame 3 is fixedly installed on the other side of the bed through the mounting plate 1 4. Then the staff pulls the stretching rod 13 upwards, and manually pulls the radiotherapy positioning film body 1 through the handle 18 and the groove 19 inside it and pulls it to a certain length according to the patient's body shape. When the radiotherapy positioning film body 1 needs to be fixed, the staff can loosen the stretching rod 13, and under the action of the spring 20, the stretching rod 13 drives the pressure plate 14 to move downward, thereby squeezing the radiotherapy positioning film body 1 and fixing it. When it is necessary to release the fixation of the radiotherapy positioning film body 1 to the patient, the staff only needs to pull the stretching rod 13 upwards again, and the positioning film body 1 can be automatically rolled up under the action of the torsion spring 9.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A radiotherapy positioning film that is easy to position, comprising a radiotherapy positioning film body (1), a winding drum (2) and a fixing frame (3), characterized in that: A winding mechanism is provided inside the winding drum (2), the radiotherapy positioning film body (1) is wound on the winding mechanism, and the end of the radiotherapy positioning film body (1) away from the winding drum (2) slides through the fixed frame (3), a positioning mechanism is provided inside the fixed frame (3), and the lower end of the fixed frame (3) is fixedly connected to a mounting plate (4).

2. A radiotherapy positioning film for easy positioning according to claim 1, characterized in that: The winding mechanism comprises a winding roller (5) rotatably connected to the inner wall of the winding drum (2), the outer side of the winding roller (5) winding up the radiotherapy positioning film body (1), the outer side of the winding roller (5) is also rotatably connected to a circular fixing plate (6), the outer side of the circular fixing plate (6) is fixedly connected to a connecting plate (7), and the connecting plates (7) are arranged in a ring array in a plurality of groups, and the ends of the plurality of connecting plates (7) away from the circular fixing plates (6) are all fixedly connected to the inner wall of the winding drum (2).

3. A radiotherapy positioning film for easy positioning according to claim 2, characterized in that: The winding mechanism further comprises a fixing column (8) fixedly mounted on the circular fixing plate (6), a torsion spring (9) being fixedly connected to the outer side of the fixing column (8), and the other end of the torsion spring (9) being fixedly connected to the winding roller (5).

4. The radiotherapy positioning film for facilitating positioning according to claim 3, characterized in that: The lower end of the winding drum (2) is fixedly connected to a second mounting plate (10), and two groups of the second mounting plates (10) are symmetrically arranged, and mounting holes (11) are provided on both groups of the second mounting plates (10).

5. The radiotherapy positioning film for facilitating positioning according to claim 4, characterized in that: The positioning mechanism comprises a pressure roller (12) rotatably connected to the inner wall of the fixed frame (3) and a stretching rod (13) slidably connected to the upper side wall of the fixed frame (3), the pressure roller (12) being symmetrically arranged in two groups up and down, the lower end of the stretching rod (13) being located inside the fixed frame (3) and fixedly connected to a pressure plate (14), and the outer sliding sleeve of the stretching rod (13) being provided with a spring (20), the lower end of the spring (20) being fixedly connected to the upper end of the pressure plate (14), the upper end of the spring (20) being fixedly connected to the inner top wall of the fixed frame (3), a support platform (15) being arranged below the pressure plate (14), and the support platform (15) being fixedly mounted on the inner bottom wall of the fixed frame (3).

6. The radiotherapy positioning film for facilitating positioning according to claim 5, characterized in that: The radiotherapy positioning membrane body (1) is evenly provided with a plurality of through holes (16), and one end of the radiotherapy positioning membrane body (1) away from the fixed frame (3) is fixedly connected to a positioning membrane frame (17), and a handle (18) is fixedly connected to the positioning membrane frame (17), and a groove (19) is provided inside the handle (18).

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