Auxiliary device for patella axial X-ray examination

Abstract

The utility model discloses a patella axial X-ray examination auxiliary device which comprises an examination bed connecting device, a lifting device is arranged on the examination bed connecting device, and an angle-adjustable leg supporting device and a detector bracket assembly are installed on the lifting device. The supporting and adjusting device can meet the supporting and adjusting requirements of the knee joint and the image detector at the same time, so that images obtained by image examination meet the requirements of clinical diagnosis.

Description

TECHNICAL FIELD

[0001] The utility model relates to a patella axial position X -ray examination auxiliary device belongs to medical instrument technical field. BACKGROUND

[0002] Degenerative patella arthrosis, patella dislocation, subluxation, patella softening, patella fracture and the like are common knee diseases in clinic, and patella axial position X -ray photography can well image the diseases.

[0003] In order to comprehensively understand the shape of patella and the deformation and wear state of each part of patella, the patient needs to perform multi-angle flexion action of knee joint during X -ray examination. In the past X -ray photography, the patient usually needs to adjust and keep the flexion angle of knee joint, and also needs to hold the image detector by hand. However, due to the limitation of the patient's own condition, the flexion angle of knee joint and the holding position of the detector are often inaccurate, resulting in inaccurate image examination results. UTILITY MODEL CONTENTS

[0004] The utility model discloses a patella axial position X -ray examination auxiliary device to solve the technical problems in the prior art, which can simultaneously meet the support and adjustment requirements of knee joint and image detector, so that the image obtained by image examination meets the requirements of clinical diagnosis.

[0005] The utility model provides a kind of patella axial position X -ray examination auxiliary device, including examination bed connecting device, the examination bed connecting device is provided with lifting device, angle adjustable leg support device and detector bracket assembly are installed on the lifting device.

[0006] In the foregoing patella axial position X -ray examination auxiliary device, preferably, the examination bed connecting device includes a bed body connecting rod, and two "L"-shaped connecting plates are fixedly arranged at the bottom surface of the bed body connecting rod.

[0007] In the foregoing patella axial position X -ray examination auxiliary device, preferably, a locking bolt is threadedly connected to each of the two "L"-shaped connecting plates.

[0008] In the foregoing patella axial position X -ray examination auxiliary device, preferably, the lifting device includes two electric telescopic rods, the two electric telescopic rods are fixedly arranged at the top surface of the bed body connecting rod, the telescopic ends of the two electric telescopic rods are vertically upward, and the telescopic ends of the two electric telescopic rods are fixedly connected to the mounting shafts.

[0009] Preferably, the leg supporting device comprises a cylindrical supporting roller, a lower leg supporting plate and a first electromagnetic brake, the cylindrical supporting roller is rotatably installed on the mounting shaft, the first electromagnetic brake is installed on the mounting shaft, the housing of the first electromagnetic brake is fixedly connected with the upper end of one of the electric telescopic rods, the mounting plate of the first electromagnetic brake is fixedly connected with one end of the cylindrical supporting roller, and the lower leg supporting plate is fixedly arranged on the cylindrical supporting roller.

[0010] Preferably, the detector bracket assembly comprises a first mounting rod, a second mounting rod, a connecting rod and a detector bracket, one end of the first mounting rod and the second mounting rod is rotatably connected with two ends of the mounting shaft respectively, the other end of the first mounting rod and the second mounting rod is fixedly connected through the connecting rod, the inner wall of the first mounting rod and the second mounting rod is fixedly arranged with a rotating shaft, and the two rotating shafts are oppositely arranged, and the detector bracket is a U-shaped bracket, and the two sides of the detector bracket are rotatably connected with the two rotating shafts.

[0011] Preferably, a detector clamping groove is formed in the detector bracket.

[0012] Preferably, a second electromagnetic brake is installed on the mounting shaft, the housing of the second electromagnetic brake is fixedly connected with the upper end of the other electric telescopic rod, and the mounting plate of the second electromagnetic brake is fixedly connected with the first mounting rod.

[0013] Preferably, a third electromagnetic brake is installed on the rotating shaft of the first mounting rod, the housing of the third electromagnetic brake is fixedly connected with the first mounting rod, and the mounting plate of the third electromagnetic brake is fixedly connected with the detector bracket.

[0014] Compared with the prior art, the utility model discloses examination bed connecting device, be provided with lifting device on examination bed connecting device, be installed angle adjustable leg supporting device and detector bracket assembly on lifting device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the axonometric view of the utility model,

[0016] Figure 2 is a use state reference drawing of the utility model.

[0017] Explanation of reference signs: bed body connecting rod 1, "L" shaped connecting plate 2, electric telescopic rod 3, mounting shaft 4, cylindrical support roller 5, shank support plate 6, first electromagnetic brake 7, first mounting rod 8, second mounting rod 9, connecting rod 10, detector bracket 11, rotating shaft 12, detector clamping groove 13, second electromagnetic brake 14, third electromagnetic brake 15, locking bolt 16, X-ray equipment image detector 17, X-ray equipment bulb 18, examination bed 19. DETAILED DESCRIPTION

[0018] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be explained as the limitation of the utility model.

[0019] Embodiment of the utility model: as shown in Figure 1 and Figure 2 Patellar axial X-ray examination auxiliary device, comprising examination bed connecting device, the examination bed connecting device is provided with lifting device, the lifting device is installed with angle adjustable leg support device and detector bracket assembly.

[0020] Examination bed connecting device is used for fixed connection with examination bed 19, and the device is fixed on the examination bed 19. When the patient is examined, the shank is placed on the leg support device, the angle of the leg support device is adjusted according to the detection requirement, and the knee joint is kept flexion angle. The detector bracket assembly is used for installing X-ray equipment image detector 17, the angle of the detector bracket assembly is adjustable, so that X-ray equipment image detector 17 can be opposite to X-ray equipment bulb 18, and the height of the shank and the knee joint of the patient can be adjusted by the lifting device.

[0021] In a specific embodiment, the examination bed connecting device comprises a bed body connecting rod 1, and two "L" shaped connecting plates 2 are fixedly arranged at the bottom of the bed body connecting rod 1.

[0022] When installing, the bed body connecting rod 1 is placed on the appropriate position on the examination bed 19, and the two "L" shaped connecting plates 2 are hooked on the two sides of the examination bed 19, after adjusting the position, the two locking bolts 16 are tightened to fix the device on the examination bed 19, so that the device will not shake and displace.

[0023] Further, the lifting device comprises two electric telescopic rods 3, the two electric telescopic rods 3 are fixedly arranged at the two ends of the top surface of the bed body connecting rod 1, the telescopic ends of the two electric telescopic rods 3 are vertically upward, and the telescopic ends of the two electric telescopic rods 3 are fixedly connected with the mounting shaft 4.

[0024] The electric telescopic rods 3 are vertically fixed on the bed body connecting rod 1, the telescopic ends of the two electric telescopic rods 3 are provided with mounting holes, the two ends of the mounting shaft 4 are penetrated through the mounting holes on the telescopic ends of the electric telescopic rods 3 and are fixedly connected with the ends. The fixing mode can adopt welding fixing or screw fixing. The mounting shaft 4 will not rotate on the two electric telescopic rods 3. The two electric telescopic rods 3 are used for adjusting the height of the mounting shaft 4.

[0025] Further, the leg supporting device comprises a cylindrical supporting roller 5, a lower leg supporting plate 6 and a first electromagnetic brake 7, the cylindrical supporting roller 5 is rotatably arranged on the mounting shaft 4, the first electromagnetic brake 7 is arranged on the mounting shaft 4, the shell of the first electromagnetic brake 7 is fixedly connected with the upper end of one of the electric telescopic rods 3, the mounting plate of the first electromagnetic brake 7 is fixedly connected with one end of the cylindrical supporting roller 5, and the lower leg supporting plate 6 is fixedly arranged on the cylindrical supporting roller 5.

[0026] Please refer to the drawings, in the embodiment, the first electromagnetic brake 7 is located between the right end of the cylindrical supporting roller 5 and the upper end of the right electric telescopic rod 3, the first electromagnetic brake 7 is a commercially available product, which can be directly purchased, the shell of the first electromagnetic brake 7 is fixedly connected with the upper end of the electric telescopic rod 3, so as to ensure that the mounting plate of the first electromagnetic brake 7 can normally rotate in the unlocking state, thereby driving the cylindrical supporting roller 5 to rotate, and realizing the angle adjustment of the lower leg supporting plate 6. When the first electromagnetic brake 7 is locked, the position of the lower leg supporting plate 6 is fixed.

[0027] Further, the detector bracket assembly comprises a first mounting rod 8, a second mounting rod 9, a connecting rod 10 and a detector bracket 11, one end of the first mounting rod 8 is rotatably connected with the left end of the mounting shaft 4, one end of the second mounting rod 9 is rotatably connected with the right end of the mounting shaft 4, the other ends of the first mounting rod 8 and the second mounting rod 9 are fixedly connected through the connecting rod 10, the inner walls of the first mounting rod 8 and the second mounting rod 9 are both fixedly provided with rotating shafts 12, the two rotating shafts 12 are oppositely arranged, the detector bracket 11 is a U-shaped bracket, and the two sides of the detector bracket 11 are rotatably connected with the two rotating shafts 12. The detector bracket 11 is formed with a detector clamping groove 13.

[0028] The first mounting rod 8 and the second mounting rod 9 are oppositely and parallelly arranged, and the first mounting rod 8 and the second mounting rod 9 move synchronously under the connection of the connecting rod 10. The two rotating shafts 12 need to keep enough distance from the connecting rod 10, so that the detector bracket 11 has enough rotating space.

[0029] The opening of the detector bracket 11 is upward, and the X-ray equipment image detector 17 can be mounted by being inserted into the detector clamping groove 13 on the detector bracket 11.

[0030] Further, the second electromagnetic brake 14 is mounted on the mounting shaft 4, the shell of the second electromagnetic brake 14 is fixedly connected with the upper end of the other electric telescopic rod 3, and the mounting plate of the second electromagnetic brake 14 is fixedly connected with the first mounting rod 8.

[0031] In the embodiment, the second electromagnetic brake 14 is mounted at the left end of the mounting shaft 4, the second electromagnetic brake 14 is same in structure and working principle with the first electromagnetic brake 7.

[0032] Further, the third electromagnetic brake 15 is mounted on the rotating shaft 12 of the first mounting rod 8, the shell of the third electromagnetic brake 15 is fixedly connected with the first mounting rod 8, and the mounting plate of the third electromagnetic brake 15 is fixedly connected with the detector bracket 11.

[0033] The third electromagnetic brake 15 is same in structure and working principle with the first electromagnetic brake 7.

[0034] The working principle of the device is as follows: when used, the device is placed on the examination bed 19, the L-shaped connecting plates 2 at the two ends of the bed body connecting rod 1 are hooked on the edges of the two sides of the examination bed 19, the position is adjusted, and then the locking bolt 16 is tightened, the end of the locking bolt 16 abuts against the bottom of the examination bed 19, and the device is fixed on the examination bed 19.

[0035] The patient lies on the examination bed 19, the popliteal fossa of the knee joint is placed on the cylindrical supporting roller 5, the lower leg of the patient is naturally placed on the lower leg supporting plate 6, and the X-ray equipment image detector 17 is inserted into the detector clamping groove 13 of the detector bracket 11.

[0036] Then, the radiology technician controls the first electromagnetic brake 7 to work through the controller (not shown in the figure), the first electromagnetic brake 7 drives the cylindrical supporting roller 5 to rotate to adjust the angle of the lower leg supporting plate 6, the angle is adjusted, the first electromagnetic brake 7 is controlled to be locked, and the angle of the lower leg supporting plate 6 is fixed. Then, the height of the lower leg of the patient is adjusted by adjusting the telescopic degree of the electric telescopic rod 3 through the controller, the height and angle of the X-ray equipment image detector 17 are adjusted through the controller controlling the second electromagnetic brake 14 and the third electromagnetic brake 15, and finally, X photography is performed.

[0037] The above describes the structure, features and effects of the present application according to the embodiments shown in the drawings, and the above is only the preferred embodiments of the present application, but the present application is not limited to the embodiments shown in the drawings, any changes or modifications made according to the concept of the present application, or equivalent embodiments with equivalent changes, as long as they are within the scope of the present application.

Claims

1. An auxiliary device for patellar axial X-ray examination, comprising an examination bed connecting device, characterized in that: The examination bed connection device is equipped with a lifting device, and the lifting device is equipped with an angle-adjustable leg support device and a detector bracket assembly.

2. The patellar axial X-ray examination auxiliary device according to claim 1, characterized in that: The examination bed connecting device includes a bed connecting rod (1), and an "L"-shaped connecting plate (2) is fixed at both ends of the bottom surface of the bed connecting rod (1).

3. The patellar axial X-ray examination auxiliary device according to claim 2, characterized in that: Both of the "L"-shaped connecting plates (2) are threaded with locking bolts (16).

4. The patellar axial X-ray examination auxiliary device according to claim 2, characterized in that: The lifting device includes two electric telescopic rods (3), which are fixed at both ends of the top surface of the bed connecting rod (1). The telescopic ends of the two electric telescopic rods (3) are vertically upward, and the telescopic ends of the two electric telescopic rods (3) are fixedly connected to the mounting shaft (4).

5. The patellar axial X-ray examination auxiliary device according to claim 4, characterized in that: The leg support device includes a cylindrical support roller (5), a calf support plate (6), and a first electromagnetic brake (7). The cylindrical support roller (5) is rotatably mounted on the mounting shaft (4). The first electromagnetic brake (7) is mounted on the mounting shaft (4). The housing of the first electromagnetic brake (7) is fixedly connected to the upper end of one of the electric telescopic rods (3). The mounting plate of the first electromagnetic brake (7) is fixedly connected to one end of the cylindrical support roller (5). The calf support plate (6) is fixedly mounted on the cylindrical support roller (5).

6. The patellar axial X-ray examination auxiliary device according to claim 5, characterized in that: The detector bracket assembly includes a first mounting rod (8), a second mounting rod (9), a connecting rod (10), and a detector bracket (11). One end of the first mounting rod (8) and the second mounting rod (9) are rotatably connected to both ends of the mounting shaft (4), and the other end of the first mounting rod (8) and the second mounting rod (9) are fixedly connected through the connecting rod (10). A rotating shaft (12) is fixedly provided on the inner wall of the first mounting rod (8) and the second mounting rod (9). The two rotating shafts (12) are arranged opposite to each other. The detector bracket (11) is a U-shaped bracket, and both sides of the detector bracket (11) are rotatably connected to the two rotating shafts (12).

7. The patellar axial X-ray examination auxiliary device according to claim 6, characterized in that: The detector bracket (11) has a detector slot (13).

8. The patellar axial X-ray examination auxiliary device according to claim 6, characterized in that: A second electromagnetic brake (14) is installed on the mounting shaft (4). The housing of the second electromagnetic brake (14) is fixedly connected to the upper end of another electric telescopic rod (3). The mounting plate of the second electromagnetic brake (14) is fixedly connected to the first mounting rod (8).

9. The patellar axial X-ray examination auxiliary device according to claim 8, characterized in that: A third electromagnetic brake (15) is mounted on the shaft (12) on the first mounting rod (8). The housing of the third electromagnetic brake (15) is fixedly connected to the first mounting rod (8), and the mounting plate of the third electromagnetic brake (15) is fixedly connected to the detector bracket (11).

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