Leg limiter for pelvic tumor radiotherapy
By designing an adjustable leg restraint structure, the problem of traditional restraints being unable to adapt to different patients' leg sizes and shapes is solved, enabling flexible adjustment of height, angle, and position, thus improving patient comfort and the accuracy of radiotherapy.
Patent Information
- Application Number
- CN202422898692.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Traditional leg restraints are fixed in size and cannot be adjusted according to the different leg sizes and shapes of different patients, resulting in low comfort, affecting the fixation effect and the risk of errors during radiotherapy.
A leg limiter was designed, comprising a base, support column, adjustment components, slide rail, slider, and arc-shaped clamp. By combining the adjustment components and slider, the height, angle, and position can be flexibly adjusted. Combined with the fixing method of elastic band and fastener, it can adapt to the leg shape and needs of different patients.
The applicability and stability of the leg restraint device have been improved, enhancing patient comfort and the accuracy of the radiotherapy process, reducing the possibility of leg movement, and ensuring the smooth progress of radiotherapy.
Smart Images

Figure CN223731957U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of stopper, more specifically, it is especially related to a leg stopper for pelvic tumor radiotherapy. BACKGROUND
[0002] The leg stopper for pelvic tumor radiotherapy mainly plays the role of fixing the position of the patient's leg. During radiotherapy, the patient needs to maintain a highly stable body posture. Because the rays emitted by the radiotherapy equipment irradiate the tumor site according to the pre-set path, if the patient's body moves, especially the leg moves, it may cause deviation of the irradiation position of the rays. However, the traditional leg stopper is usually fixed in size and cannot be adjusted according to the leg size and shape of different patients, resulting in lower comfort for some patients during use and affecting the fixing effect, thereby increasing the error risk during radiotherapy. SUMMARY
[0003] In order to solve the above technical problems, the utility model provides a leg stopper for pelvic tumor radiotherapy to solve the technical problem that the traditional leg stopper is usually fixed in size and cannot be adjusted according to the leg size and shape of different patients in the prior art.
[0004] The purpose and function of the leg stopper for pelvic tumor radiotherapy of the utility model are achieved by the following specific technical means:
[0005] A leg stopper for pelvic tumor radiotherapy comprises a base, a support column and an adjusting assembly provided on the base, the adjusting assembly comprises a sleeve, the sleeve is connected to the top of the support column, a connecting piece and a crossbar are provided above the adjusting assembly, the crossbar is rotationally connected to the adjusting assembly through the connecting piece, a slide rail and a sliding block are provided above the crossbar, the sliding block is slidably arranged on the slide rail, a fixing assembly is provided on the sliding block, the fixing assembly comprises a fixing seat and an arc-shaped clamping plate, and the arc-shaped clamping plate is connected to the top of the sliding block through the fixing seat.
[0006] According to a preferred embodiment, the adjusting assembly comprises a telescopic rod, the telescopic rod is sleeved in the sleeve, the telescopic rod is connected to the sleeve through a fixing rod, a plurality of positioning grooves are formed in the telescopic rod, a positioning hole is formed in the sleeve corresponding to the positioning grooves, the fixing rod is arranged in the positioning hole, and is clamped in one of the positioning grooves.
[0007] According to one preferred embodiment, the connecting piece is arranged at the top of the telescopic rod, a connecting hole is arranged at the bottom of the connecting piece and at one end of the telescopic rod, a rotating shaft is clamped in the connecting hole, a through hole is arranged at one side of the connecting piece, and a bolt is penetrated through the through hole, one end of the bolt being in contact with the rotating shaft, and the top of the connecting piece being provided with the cross bar.
[0008] According to one preferred embodiment, the slide rail is horizontally arranged along the length direction of the cross bar, and the slide block is fixedly connected with the cross bar through a positioning bolt.
[0009] According to one preferred embodiment, the arc-shaped clamping plate is provided with an elastic band and a fixing buckle, one side of the elastic band being connected with one end of the arc-shaped clamping plate, and the other end of the elastic band being detachably connected with the other side of the arc-shaped clamping plate through the fixing buckle.
[0010] According to one preferred embodiment, the inner surface of the arc-shaped clamping plate is provided with a cushion layer.
[0011] According to one preferred embodiment, the bottom of the base is provided with an anti-skid pad.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1、The utility model discloses a height adjusting assembly is arranged, so that the user can adjust the height of the leg positioner according to the height of different patients and the radiotherapy demand, and the applicability of the device is improved.After adjusting the height, the user can fix the position of the telescopic rod through the cooperation of the fixing rod and the different positioning grooves, so that the user can adjust the device to the appropriate height, and the stability and accuracy of the device in height adjustment are improved.Meanwhile, the cross bar is rotatably connected with the height adjusting assembly through the connecting piece, and the user can change the angle of the fixing assembly by rotating the cross bar, so that the user can more conveniently adjust the fixing direction according to the body position of the patient, and the flexibility of the device in angle adjustment is improved.
[0014] 2、When using the device, the user can adjust the position of the fixing assembly by sliding the slide block on the slide rail, so that the user can fix according to the specific position of the leg of the patient, and the convenience of the device in fixing position adjustment is improved.Then, through the cooperation of the elastic band and the fixing buckle, the arc-shaped clamping plate can be attached to the leg of the patient, and stable fixing effect is provided for patients with different leg shapes, the movement possibility of the leg of the patient is reduced, and the reliability and stability of the device in fixing the leg are improved.In addition, the cushion layer of the inner surface of the arc-shaped clamping plate and the anti-skid pad of the bottom of the base respectively improve the comfort of the patient and the stability of the device as a whole, and provide guarantee for the smooth progress of the radiotherapy process. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1It is the structure schematic diagram after the utility model is assembled.
[0016] Figure 2 It is the structure schematic diagram after the utility model is split.
[0017] Figure 3 It is Figure 2 The enlarged view of a region in the middle.
[0018] Figure 4 It is the second form schematic diagram of the utility model.
[0019] Figure 5 It is the structure schematic diagram of the connecting piece.
[0020] In the drawing, the corresponding relationship of component name and figure number is as follows:
[0021] 11, base; 21, support column; 31, crossbar; 41, sleeve; 42, telescopic rod; 43, fixed rod; 44, positioning groove; 45, positioning hole; 51, rotating shaft; 52, connecting piece; 53, connecting hole; 54, through hole; 61, sliding block; 62, sliding rail; 71, fixed seat; 72, arc-shaped clamping plate; 73, elastic band; 74, fixed buckle; 75, cushion layer; 76, non-slip pad. DETAILED DESCRIPTION
[0022] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the technical scheme of the utility model, but cannot be used to limit the protection scope of the utility model.
[0023] Example:
[0024] As Figures 1 to 5 Indicated, the utility model provides a kind of leg positioner for pelvic tumor radiotherapy, including base 11, by the setting of base 11, entire device can be provided with stable support foundation, so that user can be at ease to operate, improve the stability of the device. Base 11 is equipped with support column 21 and adjusting assembly, adjusting assembly includes sleeve 41, sleeve 41 is connected with support column 21 top, user can adjust the height of device by adjusting assembly, so that the device can adapt to the height requirement of different patients, improve the applicability of the device, improve the convenience of user operation. Connecting piece 52 and crossbar 31 are equipped above adjusting assembly, and crossbar 31 is rotatably connected with adjusting assembly by connecting piece 52.
[0025] As Figure 2As shown, the horizontal rod 31 is provided with a sliding rail 62 and a sliding block 61, the sliding block 61 is slidably arranged on the sliding rail 62, through the arrangement of the sliding block 61, the position of the fixing assembly can be conveniently changed, so that the user can fix according to the specific situation of the patient's leg, and the flexibility of the device is improved. The sliding block 61 is provided with a fixing assembly, which comprises a fixing seat 71 and an arc-shaped clamping plate 72, and the arc-shaped clamping plate 72 is connected to the top of the sliding block 61 through the fixing seat 71.
[0026] As shown in Figure 3 , 5 , the adjusting assembly comprises a telescopic rod 42, the telescopic rod 42 is sleeved in the sleeve 41, the telescopic rod 42 and the sleeve 41 are connected through the fixing rod 43, a plurality of positioning grooves 44 are formed on the telescopic rod 42, a plurality of positioning holes 45 are formed on the sleeve 41 corresponding to the positioning grooves 44, the fixing rod 43 is arranged in the positioning hole 45 and clamped in one of the positioning grooves 44, through such structure, the accuracy and stability of height adjustment can be ensured. The connecting piece 52 is arranged at the top of the telescopic rod 42, a connecting hole 53 is formed in one end of the telescopic rod 42 and the bottom of the connecting piece 52, a rotating shaft 51 is clamped in the connecting hole 53, a through hole 54 is formed in one side of the connecting piece 52, a bolt is arranged in the through hole 54, one end of the bolt is in contact with the rotating shaft 51, and the connecting piece 52 is provided with the horizontal rod 31 at the top. The user can adjust the angle of the horizontal rod 31 by cooperating the rotating shaft 51 and the bolt, so that the device can better meet the different use requirements, and the adjustability of the device is improved.
[0027] As shown in Figure 2 , 4 , the sliding rail 62 is horizontally arranged along the length direction of the horizontal rod 31, and the sliding block 61 is fixedly connected with the sliding rail 62 through positioning bolts. Through the arrangement of the positioning bolts, the position of the sliding block 61 can be fixed. The arc-shaped clamping plate 72 is provided with an elastic band 73 and a fixing buckle 74, one side of the elastic band 73 is connected with one end of the arc-shaped clamping plate 72, and the other end is detachably connected with the other side of the arc-shaped clamping plate 72 through the fixing buckle 74. Through the cooperation of the elastic band 73 and the fixing buckle 74, the fixing effect on the leg can be enhanced. The inner surface of the arc-shaped clamping plate 72 is provided with a cushion layer 75, and the comfort of the patient can be improved through the arrangement of the cushion layer 75. The bottom of the base 11 is provided with an anti-skid pad 76, and the friction between the device and the ground can be increased through the arrangement of the anti-skid pad 76, and the stability of the device is improved.
[0028] The specific use mode and effect of the embodiment are as follows:
[0029] In use, first, the device is placed in the appropriate position, using the base 11 bottom anti-skid pad 76 to ensure that the device is stable and does not slip. According to the height of the patient, adjust the adjustment assembly. Draw out the fixed rod 43, move the telescopic rod 42 up and down in the sleeve 41 to the appropriate height, so that the fixed assembly is in the position suitable for the patient's leg, and then insert the fixed rod 43 into the corresponding positioning hole 45 and positioning slot 44 for fixation. By loosening the bolt, adjust the angle of the cross bar 31, so that the fixed assembly is aligned with the direction of the patient's leg, and then tighten the bolt. Along the slide rail 62 on the cross bar 31, slide the slider 61, move the fixed assembly to the top of the patient's leg, and then fix the slider 61 with the positioning bolt. Let the patient put his leg in the arc-shaped clamp plate 72, buckle the elastic belt 73 and the fixing buckle 74, so that the leg is stably fixed. The cushion layer 75 on the inner surface of the arc-shaped clamp plate 72 provides a comfortable contact feeling.
[0030] During radiotherapy, the device can limit the movement of the patient's leg, ensuring the accuracy of radiotherapy. The adjustability of height, angle and position enables the device to adapt to individual differences of different patients, improve the comfort and cooperation of patients, and thus ensure the smooth progress of radiotherapy.
[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments.
Claims
1. A leg positioner for pelvic tumor radiotherapy, comprising a base (11), characterized in that: The base (11) is provided with a support column (21) and an adjusting assembly, the adjusting assembly comprises a sleeve (41), the sleeve (41) is connected with the top of the support column (21), the adjusting assembly is provided with a connecting piece (52) and a cross bar (31) above, the cross bar (31) is rotatably connected with the adjusting assembly through the connecting piece (52), the cross bar (31) is provided with a sliding rail (62) and a sliding block (61) above, the sliding block (61) is slidably arranged on the sliding rail (62), the sliding block (61) is provided with a fixing assembly, the fixing assembly comprises a fixing seat (71) and an arc-shaped clamping plate (72), the arc-shaped clamping plate (72) is connected with the top of the sliding block (61) through the fixing seat (71).
2. The leg positioner for pelvic tumor radiotherapy of claim 1, wherein: The adjusting assembly comprises a telescopic rod (42), the telescopic rod (42) is sleeved in the sleeve (41), the telescopic rod (42) and the sleeve (41) are connected through a fixing rod (43), a plurality of positioning grooves (44) are formed in the telescopic rod (42), a positioning hole (45) is formed in the sleeve (41) corresponding to the positioning groove (44), the fixing rod (43) is arranged in the positioning hole (45) and clamped in one of the positioning grooves (44).
3. The leg positioner for pelvic tumor radiotherapy of claim 2, wherein: The connecting piece (52) is arranged at the top of the telescopic rod (42), a connecting hole (53) is formed in one end of the telescopic rod (42) and the bottom of the connecting piece (52), a rotating shaft (51) is clamped in the connecting hole (53), a through hole (54) is formed in one side of the connecting piece (52), a bolt is arranged in the through hole (54), one end of the bolt is in contact with the rotating shaft (51), and the cross bar (31) is arranged at the top of the connecting piece (52).
4. The leg positioner for pelvic tumor radiotherapy of claim 3, wherein: The sliding rail (62) is horizontally arranged along the length direction of the cross bar (31), and the sliding block (61) is fixedly connected with the cross bar (31) through a positioning bolt.
5. The leg positioner for pelvic tumor radiotherapy of claim 1, wherein: The arc-shaped clamping plate (72) is provided with an elastic band (73) and a fixing buckle (74), one end of the elastic band (73) is connected with one end of the arc-shaped clamping plate (72), and the other end is detachably connected with the other side of the arc-shaped clamping plate (72) through the fixing buckle (74).
6. The leg positioner for pelvic tumor radiotherapy of claim 5, wherein: The inner surface of the arc-shaped clamping plate (72) is provided with a cushion layer (75).
7. The leg positioner for pelvic tumor radiotherapy of claim 6, wherein: The bottom of the base (11) is provided with an anti-skid pad (76).