Distal limb multi-angle adjusting fixing frame for radiotherapy
By designing a multi-angle adjustable fixation frame for distal limbs in radiotherapy, and utilizing a drive assembly and a gear and rack mechanism to achieve multi-angle adjustment of the support plate, the problems of patient discomfort and radiation risk caused by traditional fixation frames are solved, thereby improving the accuracy and safety of radiotherapy.
Patent Information
- Application Number
- CN202423116615.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Traditional radiotherapy fixation frames have a fixed support plate height, which makes it uncomfortable for patients to lie down. This may cause residual tumor cells or excessive radiation to normal tissues, increasing the risk of radiotherapy complications.
A multi-angle adjustable fixation frame for distal limbs in radiotherapy was designed. The support plate can be adjusted at multiple angles through a drive assembly and a gear and rack mechanism. The frame includes a motor-driven slider and a half-gear system, which, together with a threaded connection and a rotating bracket, allows the patient to adjust the height and position of the support frame as needed.
It improves patient comfort, reduces the risk of residual tumor cells and radiation to normal tissues, and enhances the precision and safety of radiotherapy.
Smart Images
Figure CN223818049U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially relates to far end limb multi -angle adjustment fixing frame for radiotherapy. BACKGROUND
[0002] Radiotherapy, namely radiation therapy, is one of important means of cancer treatment, in the modern radiotherapy field, with radiotherapy technology constantly advancing towards high precision, high dose, low damage direction, the precision requirement of patient position fixation is increasingly strict, far end limb because of own structure small and nimble, in radiotherapy, slight movement can all make rays deviate from the predetermined target area, greatly influence radiotherapy dose precision delivery, reduce the control effect to tumor and increase surrounding normal tissue received amount, and limb fixing frame emerges as the times require.
[0003] But the fixed frame of traditional in use, the height of the support plate that supports patient's limb is certain, makes the patient lying comfort degree to be poor, can let the patient move disorderly, causes the residual of tumor cell or normal tissue to receive unnecessary high dose radiation, increases the risk of radiotherapy complication. UTILITY MODEL CONTENT
[0004] In order to make up for above insufficient, the utility model provides far end limb multi -angle adjustment fixing frame for radiotherapy, aims at improving the height of the support plate that supports patient's limb is certain, makes the patient lying comfort degree to be poor, can let the patient move disorderly, causes the residual of tumor cell or normal tissue to receive unnecessary high dose radiation, increases the risk of radiotherapy complication problem.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: far end limb multi -angle adjustment fixing frame for radiotherapy, including operating table, the lower surface sliding connection of operating table has the sliding block, the lower surface fixed connection of sliding block has the fixed plate, the upper surface sliding connection of fixed plate has the hollow column, the inside rotation connection of hollow column has the rotating column, the outer wall fixed connection of rotating column has the fixed column, the outer wall fixed connection of fixed column has the half gear, the outer wall fixed connection of fixed column has the push -pull rod, the tooth end meshing connection of half gear has the rack plate, the outer wall sliding connection of rack plate is in the inner wall of hollow column, the outer wall screw connection of rotating column has the limit post, the outer wall of limit post is pasted in the outer wall of hollow column, the outer wall fixed connection of rack plate has the sliding column, the outer wall rotation connection of sliding column has the rotating support, the outer wall fixed connection of rotating support has the support frame, the outer wall of operating table is provided with drive assembly, drive assembly is used to drive sliding block moves.
[0006] Preferably, the driving assembly comprises a motor, the outer wall of the motor is fixedly connected to the outer wall of the operating bed, the output end of the motor is fixedly connected with a threaded column one, the outer wall of the threaded column one is threadedly connected to the inner wall of the sliding block, the outer wall of the fixed plate is fixedly connected with a limiting support, and the outer wall of the limiting support is slidably connected to the inside of the operating bed.
[0007] Preferably, the inner wall of the fixed plate is rotatably connected with a threaded column two, the outer wall of the threaded column two is fixedly connected with a handheld column, the outer wall of the handheld column is threadedly connected with a driving block, the inside of the fixed plate is provided with a threaded groove, and the inside of the fixed plate is threadedly connected with a hand-held column.
[0008] Preferably, the outer wall of the handheld column is rotatably connected to the outer wall of the fixed plate.
[0009] Preferably, the outer wall of the driving block is slidably connected to the inside of the fixed plate.
[0010] Preferably, the upper surface of the driving block is arranged on the lower surface of the hollow column.
[0011] Preferably, the outer wall of the hand-held column is threadedly connected to the inner wall of the threaded groove.
[0012] Preferably, the inside of the fixed plate is provided with two threaded columns two and arranged on the front and back sides, the threaded groove is provided as a plurality of, and the hand-held column is provided as two.
[0013] The utility model has the advantages of the following:
[0014] 1、the utility model discloses a rotating support frame drives rotation support frame to rotate, and the patient places the arm upper arm behind the support frame, the forearm in front of the support frame, and pulls the push-pull rod according to the comfortable degree, drives the half gear rotation, pushes the rack plate and sliding column, makes rotation support frame and support frame move, makes the arm more comfortable and easy to adjust, and then according to the hand position, the hand-held column is rotated into the threaded groove and is fixed, and the patient grips, and the support frame height can be adjusted as required.
[0015] 2、the utility model discloses rotating threaded column, and makes the driving block in the fixed plate move to both sides, and the motor is started to make threaded column one rotate, drives the sliding block to move on the lower surface of the operating bed and makes the fixed plate move, after reaching the other end of the operating bed, the handheld column is rotated to adjust the rear driving block position, adjusts the corresponding support frame position, and then the push-pull rod is pulled to further adjust the support frame, to adapt to the limb placement and adjustment demand. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the three-dimensional schematic view of the distal limb multi-angle adjusting fixing frame for radiotherapy provided in the utility model;
[0017] Figure 2The utility model provides a thread column one partial structure schematic drawing of far end limb multi angle adjustment fixing frame for radiotherapy is provided for the utility model,
[0018] Figure 3 The utility model provides a hollow column internal structure section view schematic drawing of far end limb multi angle adjustment fixing frame for radiotherapy is provided for the utility model,
[0019] Figure 4 The utility model provides a driving block partial structure schematic drawing of far end limb multi angle adjustment fixing frame for radiotherapy is provided for the utility model.
[0020] Legend:
[0021] 1, operating bed, 2, sliding block, 3, fixed plate, 4, hollow column, 5, rotating column, 6, fixed column, 7, half gear, 8, push-pull rod, 9, rack plate, 10, limiting column, 11, sliding column, 12, rotating support, 13, support frame, 14, motor, 15, thread column one, 16, thread column two, 17, handheld column, 18, driving block, 19, thread groove, 20, handgrip column, 21, limiting support. Specific implementation
[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the specification of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0023] Reference Figure 1 - Figure 3 An embodiment provided by the utility model: far end limb multi angle adjustment fixing frame for radiotherapy, including operating bed 1, the lower surface of operating bed 1 is slidably connected with sliding block 2, the lower surface of sliding block 2 is fixedly connected with fixed plate 3, the upper surface of fixed plate 3 is slidably connected with hollow column 4, the inside of hollow column 4 is rotatably connected with rotating column 5, the outer wall of rotating column 5 is fixedly connected with fixed column 6, the outer wall of fixed column 6 is fixedly connected with half gear 7, the outer wall of fixed column 6 is fixedly connected with push-pull rod 8, the tooth end of half gear 7 is meshingly connected with rack plate 9, the outer wall of rack plate 9 is slidably connected in the inner wall of hollow column 4, the outer wall of rotating column 5 is threadedly connected with limiting column 10, the outer wall of limiting column 10 is attached to the outer wall of hollow column 4, the outer wall of rack plate 9 is fixedly connected with sliding column 11, the outer wall of sliding column 11 is rotatably connected with rotating support 12, the outer wall of rotating support 12 is fixedly connected with support frame 13, the outer wall of operating bed 1 is provided with driving assembly, and driving assembly is used to drive sliding block 2 to move.
[0024] Specific, first rotate the limiting column 10, make the limiting column 10 no longer fit the hollow column 4, pull the push-pull rod 8, the push-pull rod 8 drive the fixed column 6 fixedly connected with the push-pull rod 8 rotate, and then drive the rotating column 5 and half gear 7 rotate, half gear 7 rotate push the rack plate 9 moves in the inside of the limiting column 10, and then drive the sliding column 11 fixedly connected with the limiting column 10 moves in the inside of the hollow column 4, so as to push the rotating support 12 moves in the sliding column 11, the rotating support 12 moves drive the support frame 13 fixedly connected with the rotating support 12 moves, the patient's small arm is placed on the upper side of the previous fixed plate 3, the upper side of the next support frame 13, through the rotation of left and right rotation and up and down flip adjustment, reach according to the comfortable degree of the patient's arm placed, facilitate the height of the support frame 13 effect.
[0025] With reference to Figure 1 and Figure 2 , the driving assembly comprises a motor 14, the outer wall of the motor 14 is fixedly connected to the outer wall of the operating bed 1, the output end of the motor 14 is fixedly connected with a threaded column 15, the outer wall of the threaded column 15 is threadedly connected to the inner wall of the sliding block 2, the outer wall of the fixed plate 3 is fixedly connected with a limiting support 21, and the outer wall of the limiting support 21 is slidingly connected to the inside of the operating bed 1.
[0026] Specific, start the motor 14 drive the threaded column 15 rotate, and then drive the sliding block 2 move which is threadedly connected with the threaded column 15, because the upper surface of the sliding block 2 is attached to the lower surface of the operating bed 1, and the limiting support 21 is fixedly connected with the fixed plate 3 while also sliding in the inside of the operating bed 1, so that the sliding block 2 and the fixed plate 3 will only move, not rotate, to facilitate the fixed plate 3 to move to the other end to place the lower distal extremity effect.
[0027] With reference to Figure 1 , Figure 2 and Figure 4 , the inner wall of the fixed plate 3 is rotatably connected with a threaded column 16, the outer wall of the threaded column 16 is fixedly connected with a handheld column 17, the outer wall of the handheld column 17 is threadedly connected with a driving block 18, the inside of the fixed plate 3 is provided with a threaded groove 19, and the inside of the fixed plate 3 is threadedly connected with a hand holding column 20. The outer wall of the handheld column 17 is rotatably connected to the outer wall of the fixed plate 3. The outer wall of the driving block 18 is slidingly connected to the inside of the fixed plate 3. The upper surface of the driving block 18 is arranged on the lower surface of the hollow column 4. The outer wall of the hand holding column 20 is threadedly connected to the inner wall of the threaded groove 19. Two threaded columns 16 are arranged in the inside of the fixed plate 3 and arranged on the front and rear sides, the threaded groove 19 is provided as a plurality of, and the hand holding column 20 is provided as two.
[0028] Specific, first take off the hand grip column 20, rotating hand-held column 17 drive block 18 to move, make drive block 18 moves to the both sides of the fixed plate 3, in turn, hollow column 4 moves to the both sides of the fixed plate 3, ensure that will not affect the fixed plate 3 moves, start motor 14 drive screw column 15 rotation, in turn, drive block 2 and fixed plate 3 move, when moving to the other end, reverse direction rotating hand-held column 17, make the patient's calf and thigh angle in comfortable angle, reach the effect of the placement of the upper extremity and the placement of the lower extremity.
[0029] Working principle: when need to use the fixed frame to place the upper extremity, first patient lies on the operating bed 1, rotating support frame 13 drive rotating support 12 to rotate to the appropriate position, the patient will put the arm in the upper arm on the back of the support frame 13, the forearm is placed on the upper of the front support frame 13, according to the comfortable degree of the patient's arm placement, rotate the limiting column 10, make the limiting column 10 no longer fixed on the rotating column 5, pull the push-pull rod 8, push-pull rod 8 drive fixed column 6 rotation, fixed column 6 rotation drive rotating column 5 and half gear 7 rotation, half gear 7 rotation push rack plate 9 move inside the hollow column 4, in turn, push the sliding column 11 move, sliding column 11 move drive rotating support 12 move, rotating support 12 move drive support frame 13 move, make the patient's arm placement more comfortable and better adjustment, according to the patient's hand placement position, rotate the hand grip column 20 to the screw groove 19 inside the fixed plate 3, fix the hand grip column 20, the patient uses the hand to hold the hand grip column 20 in a fist shape, so as to reach the effect of the comfortable degree of the patient's arm placement, facilitate the adjustment of the height of the support frame 13, when need to place the lower extremity, take off the hand grip column 20, the doctor holds the hand-held column 17 and rotates to drive the screw column 16 to rotate, make the four drive blocks 18 inside the fixed plate 3 move to the both sides of the fixed plate 3, start motor 14 drive screw column 15 rotation, screw column 15 rotation drive sliding block 2 move, because the upper surface of the sliding block 2 is attached to the lower surface of the operating bed 1, make screw column 15 rotation only drive sliding block 2 move, and will not make the sliding block 2 rotate, limit support 21 move inside the operating bed 1 further limit the fixed plate 3, in turn, drive the fixed plate 3 move, when move to the other end of the operating bed 1, according to the comfortable degree of the patient's thigh and calf placement, rotate the hand-held column 17, adjust the position of the rear two drive blocks 18, in turn, adjust the position of the rear two support frames 13, adjust the support frame 13 by pulling the push-pull rod 8, reach the effect of the placement of the upper extremity and the placement of the lower extremity and convenient adjustment, that is, the fixed frame not only can reach the effect of the comfortable degree of the patient's arm placement, facilitate the adjustment of the height of the support frame 13, reach the effect of the placement of the upper extremity and the placement of the lower extremity and convenient adjustment.
[0030] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A multi-angle adjustable fixation frame for distal limbs used in radiotherapy, comprising an operating table (1), characterized in that: The lower surface of the operating table (1) is slidably connected to a slider (2), the lower surface of the slider (2) is fixedly connected to a fixing plate (3), the upper surface of the fixing plate (3) is slidably connected to a hollow column (4), the interior of the hollow column (4) is rotatably connected to a rotating column (5), the outer wall of the rotating column (5) is fixedly connected to a fixing column (6), the outer wall of the fixing column (6) is fixedly connected to a half gear (7), the outer wall of the fixing column (6) is fixedly connected to a push-pull rod (8), and the tooth end of the half gear (7) is meshed with a rack plate (9). The outer wall of the rack plate (9) is slidably connected to the inner wall of the hollow column (4). The outer wall of the rotating column (5) is threadedly connected to the limiting column (10). The outer wall of the limiting column (10) is attached to the outer wall of the hollow column (4). The outer wall of the rack plate (9) is fixedly connected to the sliding column (11). The outer wall of the sliding column (11) is rotatably connected to the rotating bracket (12). The outer wall of the rotating bracket (12) is fixedly connected to the support frame (13). The outer wall of the operating table (1) is provided with a driving assembly, which is used to drive the slider (2) to move.
2. The multi-angle adjustable fixation frame for distal limbs used in radiotherapy according to claim 1, characterized in that: The drive assembly includes a motor (14), the outer wall of which is fixedly connected to the outer wall of the operating table (1), the output end of which is fixedly connected to a threaded post (15), the outer wall of which is threadedly connected to the inner wall of the slider (2), the outer wall of the fixing plate (3) is fixedly connected to a limit bracket (21), and the outer wall of the limit bracket (21) is slidably connected to the inside of the operating table (1).
3. The multi-angle adjustable fixation frame for distal limbs used in radiotherapy according to claim 2, characterized in that: The inner wall of the fixed plate (3) is rotatably connected to a threaded column two (16), the outer wall of the threaded column two (16) is fixedly connected to a hand-held column (17), the outer wall of the hand-held column (17) is threadedly connected to a drive block (18), the inside of the fixed plate (3) is provided with a threaded groove (19), and the inside of the fixed plate (3) is threadedly connected to a hand-held column (20).
4. The multi-angle adjustable fixation frame for distal limbs used in radiotherapy according to claim 3, characterized in that: The outer wall of the handheld column (17) is rotatably connected to the outer wall of the fixed plate (3).
5. The multi-angle adjustable fixation frame for distal limbs in radiotherapy according to claim 4, characterized in that: The outer wall of the drive block (18) is slidably connected to the inside of the fixed plate (3).
6. The multi-angle adjustable fixation frame for distal limbs in radiotherapy according to claim 5, characterized in that: The upper surface of the drive block (18) is disposed on the lower surface of the hollow column (4).
7. The multi-angle adjustable fixation frame for distal limbs in radiotherapy according to claim 6, characterized in that: The outer wall of the hand grip column (20) is threaded to the inner wall of the threaded groove (19).
8. The multi-angle adjustable fixation frame for distal limbs in radiotherapy according to claim 7, characterized in that: The fixing plate (3) has two threaded posts (16) inside and arranged on the front and rear sides. The threaded groove (19) is provided in multiple ways, and the hand grip post (20) is provided in two ways.