CN215961847U

CN215961847U - A new type of lower limb immobilization device for radiotherapy

Info

Publication number: CN215961847U
Application number: CN202122333024.7U
Authority: CN
Inventors: 裴广均; 李丰旭; 韩锐
Original assignee: First Hospital of Lanzhou University
Current assignee: First Hospital of Lanzhou University
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-03-08
Anticipated expiration: 2031-09-26

Abstract

A new type of lower extremity immobilization device for radiotherapy effectively solves the problem that the conventional fixed position of a new type of lower extremity immobilization device for radiotherapy is single. The comfort, accuracy and repeatability of the position lead to the unsatisfactory effect of radiotherapy treatment, and the problem of increased fatigue of the patient in order to maintain stability during radiotherapy. The upper end of the support frame is provided with a support rod with adjustable angle and height, the upper end of the support rod is fixedly connected with a fixed box, and the inside of the fixed box is provided with a threaded plate that can move up and down, and the left and right sides of the upper end of the threaded plate are hinged respectively. There is a first connecting rod, a moving frame is slidably connected to the inside of the fixed box, the moving frame can move with the movement of the threaded plate, the front end of the moving frame is fixedly connected with a second clamping plate, and the front of the upper end of the fixed box is fixedly connected with a first clamping plate. Clamp the plate.

Description

Novel lower limb fixing device for radiotherapy

Technical Field

The utility model relates to the technical field of medical assistance, in particular to a novel lower limb fixing device for radiotherapy.

Background

With the progress of radiation physical technology and the development of radiotherapy equipment, conformal radiotherapy brings radiotherapy into a new era of precise treatment by 'precise positioning, precise positioning and precise planning' of the conformal radiotherapy, the positioning in the positioning directly determines the positioning repeatability in the treatment process, and the accuracy and comfort of the positioning determine the treatment accuracy, in order to better position a human body and a target region of pathological changes in the radiotherapy process, a positioning device is produced, such as a thermoplastic film, a vacuum fixing pad, a chest positioning plate and the like, the existing radiotherapy positioning device only fixes the trunk of a patient singly, and is not enough to form good fixation and reset for limbs with larger mobility, so that when the limbs are diseased, the radiotherapy is difficult to be accurately positioned and positioned, a special lower limb fixing device is not provided in the radiotherapy center at present, and if the target region is positioned, the lower limbs need to be fixed, the lower limbs can be fixed by using a vacuum fixing pad or a thermoplastic film, but the posture fixed by using the fixing device is single, only the two lower limbs can be flatly placed on the positioning plate, the positions and the angles of the legs and the feet cannot be controlled, the dorsiflexion or plantar flexion angle of the feet is more difficult to control, the comfort, the accuracy and the repeatability of the positioning are influenced, the radiotherapy treatment effect is not ideal, and in the radiotherapy process, a patient keeps stable deliberately, muscle soreness and the like are caused for a long time, the fatigue is increased, meanwhile, the working difficulty of medical workers is increased, and the discomfort of the patient is aggravated.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation and overcoming the defects of the prior art, the utility model provides the novel lower limb fixing device for radiotherapy, and the problems that the posture fixed by the conventional novel lower limb fixing device for radiotherapy is single, the lower limbs can only be flatly placed on the positioning plate, the positions and angles of legs and feet cannot be controlled, the comfort, accuracy and repeatability of positioning are influenced, the radiotherapy treatment effect is not ideal, and the fatigue feeling of a patient is increased for keeping stability and stability deliberately in the radiotherapy process are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the adjustable supporting frame comprises a supporting frame, a liftable supporting frame is arranged in the supporting frame, a supporting rod with an adjustable angle and height is arranged at the upper end of the supporting frame, a fixed box is fixedly connected to the upper end of the supporting rod, a threaded plate capable of moving up and down is arranged in the fixed box, first connecting rods are respectively hinged to the left side and the right side of the upper end of the threaded plate, a movable frame is connected to the inside of the fixed box in a sliding mode and can move along with the movement of the threaded plate, a second clamping plate is fixedly connected to the front end of the movable frame, and a first clamping plate is fixedly connected to the front portion of the upper end of the fixed box.

Preferably, the lower end of the supporting frame is in threaded connection with a first threaded rod, the upper end of the first threaded rod is rotatably connected with the lower end of the moving plate, and the lower end of the first threaded rod is fixedly connected with a first knob.

Preferably, the upper end of the supporting frame is fixedly connected with a cylindrical rod, the upper end of the cylindrical rod is fixedly connected with a second clamping body, and the upper end of the cylindrical rod is in threaded connection with a second threaded block.

Preferably, the inside sliding connection of the second clamping body has a first adjusting rod, the right end fixedly connected with the first clamping body of first adjusting rod, the inside of the first clamping body and the lower extreme sliding connection of bracing piece, the right end threaded connection of the first adjusting rod has the first clamping body.

Preferably, the lower extreme of fixed box is rotated and is connected with the second knob, and the coaxial rigid coupling in upper end of second knob has the second threaded rod, and the inside threaded connection of second threaded rod and thread plate.

Preferably, the upper end of the first connecting rod is respectively hinged with a second connecting rod, the lower end of the second connecting rod is rotatably connected with the fixed box, the rear side of the second connecting rod is rotatably connected with a third connecting rod, and the upper end of the third connecting rod is rotatably connected with the movable frame.

The utility model has novel structure, ingenious conception and simple and convenient operation, and effectively solves the problems that the conventional novel lower limb fixing device for radiotherapy has single body position, only can enable the lower limbs to be horizontally placed on the positioning plate, and can not control the positions and angles of legs and feet, the comfortableness, the accuracy and the repeatability of the positioning are influenced, the radiotherapy treatment effect is not ideal, and the fatigue feeling of a patient is increased in order to keep stable and smooth deliberately in the radiotherapy process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the matching structure of the supporting frame and the supporting rod of the present invention.

FIG. 3 is a schematic view of the second knob and the second clamping plate according to the present invention.

FIG. 4 is a schematic view of the second knob and the moving frame.

Reference numbers in the figures: 1. a first clamping plate; 2. a second clamping plate; 3. a fixing box; 4. a support bar; 5. a first clamp body; 6. a first thread block; 7. a first adjusting lever; 8. a second clamp body; 9. a second thread block; 10. a cylindrical rod; 11. a support frame; 12. moving the plate; 13. a first threaded rod; 14. a first knob; 15. a second knob; 16. a thread plate; 17. a second threaded rod; 18. a first link; 19. a second link; 20. a third link; 21. and moving the frame.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 4.

The lifting type supporting device comprises a supporting frame 11, wherein the supporting frame 11 capable of lifting is arranged inside the supporting frame 11, a supporting rod 4 with an adjustable angle and height is arranged at the upper end of the supporting frame 11, a fixed box 3 is fixedly connected to the upper end of the supporting rod 4, a threaded plate 16 capable of moving up and down is arranged inside the fixed box 3, the left side and the right side of the upper end of the threaded plate 16 are respectively hinged with a first connecting rod 18, a moving frame 21 is connected inside the fixed box 3 in a sliding mode, the moving frame 21 can move along with the movement of the threaded plate 16, a second clamping plate 2 is fixedly connected to the front end of the moving frame 21, and a first clamping plate 1 is fixedly connected to the front portion of the upper end of the fixed box 3.

When needs carry out the low limbs radiotherapy to the patient, earlier fix carriage 11 at the bedside of radiotherapy instrument this moment, the inside movable plate 12 of carriage 11 moves upwards, thereby press from both sides tight bedside department, then adjust the height and the inclination of bracing piece 4, place patient's unilateral low limbs between first clamp plate 1 and second clamp plate 2 this moment, then the inside screw plate 16 of fixed box 3 begins the rebound and drives the inside removal frame 21 of fixed box 3 and begin the rebound, drive first clamp plate 1 rebound, fix patient's shank or foot under the cooperation with second clamp plate 2, ensure patient's shank or foot position and angle, ensure the steady of chemotherapy process and go on, and medical personnel's physical power has been alleviateed.

The lower end of the supporting frame 11 is in threaded connection with a first threaded rod 13, the upper end of the first threaded rod 13 is rotatably connected with the lower end of the moving plate 12, and the lower end of the first threaded rod 13 is fixedly connected with a first knob 14.

The first knob 14 is rotated to drive the first fixed threaded rod 13 to rotate, and the first threaded rod 13 drives the moving plate 12 to move upwards while rotating, so that the device is fixed.

The upper end of the supporting frame 11 is fixedly connected with a cylindrical rod 10, the upper end of the cylindrical rod 10 is fixedly connected with a second clamping body 8, and the upper end of the cylindrical rod 10 is in threaded connection with a second threaded block 9.

The cylinder pole 10 is immovable, and the second presss from both sides tight body 8 and has two hemispherical constitutions to all be equipped with the recess in hemispherical, can match with the left end of first regulation pole 7, when the angle of first regulation pole 7 was adjusted to needs, rotate second screw thread block 9 this moment, two hemispheres that second screw thread block 9 moved down this moment second presss from both sides tight body 8 begin to break off with the fingers and thumb to the outside, conveniently rotate first regulation pole 7 this moment, otherwise can fix first regulation pole 7.

The inside sliding connection of second clamp body 8 has first regulation pole 7, and the right-hand member fixedly connected with of first regulation pole 7 presss from both sides tight body 5, and the inside of first clamp body 5 and the lower extreme sliding connection of bracing piece 4 press from both sides the tight body 5, and the right-hand member threaded connection of first regulation pole 7 has first clamp body 5.

First clamp 5 is two hemispheres and constitutes to all be equipped with the recess in hemispheres, can with the lower extreme phase-match of bracing piece 4, when the angle of bracing piece 4 was adjusted to needs, rotate first screw block 6 this moment, first screw block 6 moves two hemispheres that first clamp 5 was at this moment moved and begins to break off with the fingers and thumb to the outside, conveniently rotates bracing piece 4 this moment, otherwise can fixed support rod 4.

The lower extreme of fixed box 3 rotates and is connected with second knob 15, and the coaxial rigid coupling in upper end of second knob 15 has second threaded rod 17, and second threaded rod 17 and the interior threaded connection of threaded plate 16.

Turning the second knob 15 causes the second screw to turn, thereby moving the screw plate 16, which effects the screw connection, upwards.

The upper end of the first connecting rod 18 is respectively hinged with a second connecting rod 19, the lower end of the second connecting rod 19 is rotatably connected with the fixed box 3, the rear side of the second connecting rod 19 is rotatably connected with a third connecting rod 20, and the upper end of the third connecting rod 20 is rotatably connected with a movable frame 21.

The thread plate 16 can drive two first connecting rods 18 of articulated upwards squinting when moving upwards, and then drives the pin joint of third connecting rod 20 and second connecting rod 19 to move to the outside, and second connecting rod 19 and third connecting rod 20 can rotate to the outside simultaneously at this moment, and the outer end of third connecting rod 20 drives articulated removal frame 21 and moves upwards simultaneously, then relies on second connecting rod 19 and third connecting rod 20 to reach vertical state to can be firm fix patient's shank.

When the lower limb radiotherapy device is used, when lower limb radiotherapy is needed to be performed on a patient, the support frame 11 is fixed on the bed side of the radiotherapy device, the moving plate 12 in the support frame 11 moves upwards to clamp the bed side, then the height and the inclination angle of the support rod 4 are adjusted, the lower limb of the patient on one side is placed between the first clamping plate 1 and the second clamping plate 2, the threaded plate 16 in the fixing box 3 starts to move upwards to drive the moving frame 21 in the fixing box 3 to start to move upwards to drive the first clamping plate 1 to move upwards, the leg or the foot of the patient is fixed under the matching of the threaded plate 16 and the second clamping plate 2, the position and the angle of the leg or the foot of the patient are ensured, the chemotherapy process is ensured to be performed stably, and the physical strength of medical staff is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A novel lower extremity fixation device for radiotherapy, comprising a support frame (11), characterized in that a liftable support frame (11) is provided inside the support frame (11), and an upper end of the support frame (11) is provided with a liftable support frame (11). A support rod (4) with adjustable angle and height, a fixing box (3) is fixedly connected to the upper end of the support rod (4), and a threaded plate (16) that can move up and down is arranged inside the fixing box (3), and the threaded plate ( The left and right sides of the upper end of 16) are respectively hinged with first connecting rods (18), and the interior of the fixed box (3) is slidably connected with a moving frame (21), and the moving frame (21) can move with the movement of the threaded plate (16), A second clamping plate (2) is fixedly connected to the front end of the moving frame (21), and a first clamping plate (1) is fixedly connected to the front end of the upper end of the fixed box (3).

2. A novel lower extremity fixation device for radiotherapy according to claim 1, wherein the lower end of the support frame (11) is threadedly connected with a first threaded rod (13), and the first threaded rod (13) is The upper end is rotatably connected with the lower end of the moving plate (12), and the lower end of the first threaded rod (13) is fixedly connected with a first knob (14).

3. A novel lower extremity fixation device for radiotherapy according to claim 1, wherein the upper end of the support frame (11) is fixedly connected with a cylindrical rod (10), and the upper end of the cylindrical rod (10) is fixedly connected with a In the second clamping body (8), the upper end of the cylindrical rod (10) is threadedly connected with a second threaded block (9).

4. A novel lower extremity immobilization device for radiotherapy according to claim 3, characterized in that, a first adjusting rod (7) is slidably connected to the inside of the second clamping body (8), and the first adjusting rod ( The right end of 7) is fixedly connected with a first clamping body (5), the inside of the first clamping body (5) is slidably connected with the lower end of the support rod (4), and the right end of the first adjusting rod (7) is threadedly connected with a first clamping body (5). A clamping body (5).

5. A novel lower extremity fixation device for radiotherapy according to claim 1, wherein the lower end of the fixing box (3) is rotatably connected with a second knob (15), and the upper end of the second knob (15) is the same as the second knob (15). A second threaded rod (17) is fixedly connected to the shaft, and the second threaded rod (17) is internally threadedly connected with the threaded plate (16).

6 . The novel lower limb immobilization device for radiotherapy according to claim 1 , wherein the upper ends of the first connecting rods ( 18 ) are respectively hinged with second connecting rods ( 19 ), and the second connecting rods ( 19 ). 7 . ) is rotatably connected with the fixed box (3), the rear side of the second link (19) is rotatably connected with a third link (20), and the upper end of the third link (20) is rotatably connected with the moving frame (21). .