CN106691492A - Auxiliary device for spinal joint load position medical imaging examination - Google Patents

Abstract

The present invention relates to the technical field of medical devices, in particular to an auxiliary device for medical imaging examinations in the weight-bearing position of spinal joints, which includes a shoulder force-bearing device, a trunk supporting board, a thigh supporting board, a calf supporting board and a foot supporting device connected in sequence. device, the shoulder force device is fixed to one end of the trunk support, one end of the thigh support is hinged to the other end of the trunk support, the other end of the thigh support is hinged to one end of the calf support, and the other end of the calf support Hinged to the foot force device, there is also a tension connecting rod between the trunk supporting plate and the foot force receiving device, one end of the tension connecting rod is fixedly connected to the torso supporting plate, and the other end of the tension connecting rod is slidably connected to the The foot force device is supported by the shoulder force device and the foot force device. When the foot continues to push down, the shoulder force device and the foot force device form a reaction force, simulating the human spine and Load-bearing status of lower extremity joints.

Description

Auxiliary device for spinal joint weight-bearing position medical imaging examination

technical field

The invention relates to the technical field of medical devices, in particular to an auxiliary device for medical image examination in a weight-bearing position of a spinal joint.

Background technique

The incidence of spine and joint diseases is high, which has a great impact on people's work and life. Clinical diagnosis and curative effect evaluation often require the help of computed tomography (CT) or magnetic resonance (MR) examination.

At present, regardless of whether CT or MR examinations are used clinically, the examinee needs to adopt a supine position, which is very different from the normal postures of daily production and life of the human body. The standing weight-bearing position and the lying position will be different in terms of muscle tension, bone alignment characteristics, and positional relationship of joint structures. Imaging examinations in the supine position often cannot truly reflect the physiological and pathological changes in the daily activities of the human body. Especially in terms of spinal joint sports injuries and degenerative diseases, the stress changes caused by changes in different body positions may have a greater impact on the stress-bearing parts. In terms of biomechanical research of spinal joints, research on the development and changes of diseases, and evaluation of treatment effects, it is often necessary to compare the changes in weight-bearing and non-weight-bearing positions in imaging examinations to obtain more information. Joint examination under different angle changes can reflect the changes in the internal structure of the joint. In the process of imaging CT and MR examination, there are certain requirements for the materials in the scanning field. Metal materials will cause metal artifacts, and metal magnetic substances cannot be used in MR examination. However, due to the existence of the load, the auxiliary device adopts The material needs to have a certain strength.

Therefore, aiming at the deficiencies of the prior art, it is very necessary to provide an auxiliary device for the medical imaging examination in the weight-bearing position of the spinal joint to overcome the deficiencies of the prior art.

Contents of the invention

The purpose of the present invention is to avoid the deficiencies of the prior art and provide an auxiliary device for medical imaging examinations in the weight-bearing position of the spine joints, which is mainly used for imaging examinations in the supine position Applying pressure in the direction of the longitudinal axis of the human body can realize the imaging examination under the simulation of the weight-bearing posture of the spinal joint system.

The above object of the present invention is achieved through the following technical means.

Provided is an auxiliary device for medical imaging examination of the weight-bearing position of the spine joint, which includes a shoulder force-bearing device, a trunk support plate, a thigh support plate, a calf support plate and a foot force-bearing device connected in sequence, and the shoulder force-bearing device is fixed on the One end of the trunk support, one end of the thigh support is hinged to the other end of the trunk support, the other end of the thigh support is hinged to one end of the calf support, the other end of the calf support is hinged to the foot force device, and the trunk support There is also a tension connecting rod between the plate and the foot stress device. One end of the tension connection rod is fixedly connected to the trunk support plate, and the other end of the tension connection rod is slidably connected to the foot stress device. When the force device and the foot force device are stretched to both sides by an external force, the stretch connecting rod is in a stretched state and generates a force in the opposite direction to the external force.

Further, the foot force receiving device includes a foot pedal, a resistance plate and a resistance base plate, the other end of the calf support plate is hinged to the resistance base plate, one end of the foot pedal is hinged to the resistance base plate, the resistance plate is fixed to the resistance base plate, and the resistance plate faces One side of the foot pedal is provided with an adjustment slope, and the side of the foot pedal facing the resistance plate is provided with a boss, and the boss abuts against the adjustment slope and can slide on the adjustment slope.

Preferably, the shoulder force bearing device is a shoulder pulley, and the shoulder pulley is a hook-shaped shoulder pulley with one end fixedly connected to the trunk support plate, and the opening direction of the hook-shaped shoulder pulley faces the side of the foot pedal.

Further, there are two shoulder handles, and the two shoulder handles are symmetrically arranged on both sides of the center line of the trunk supporting plate.

Furthermore, there are two thigh support plates, and the two thigh support plates are symmetrically arranged on both sides of the center line of the trunk support plate; corresponding to the thigh support plates, there are two calf support plates.

The torso supporting board is arranged as an upper torso supporting board and a lower torso supporting board along the length direction of the human body, the upper torso supporting board is slidably connected to the stretching connecting rod, and the lower torso supporting board is fixedly connected to the stretching connecting rod.

Further, the thigh supporting board is arranged as an upper thigh supporting board and a lower thigh supporting board along the length direction of the human body, and the upper thigh supporting board and the lower thigh supporting board are connected through the thigh supporting board connecting piece, and the upper thigh supporting board and the lower thigh supporting board are connected. Adjustable distance.

Furthermore, the calf support is arranged as an upper calf support and a lower calf support along the length direction of the human body, and the upper calf support and the lower calf support are connected by the calf support connecting piece, and the upper calf support and the lower calf support The distance is adjustable. Auxiliary devices are non-metallic.

Preferably, the auxiliary device is made of polyoxymethylene resin.

The beneficial effects of the present invention are:

An auxiliary device for medical imaging examination of the weight-bearing position of the spine joints of the present invention, comprising a shoulder force-bearing device, a trunk support plate, a thigh support plate, a calf support plate and a foot force-bearing device connected in sequence, a trunk support plate, and a thigh support The board and the calf support can play a supporting role on the human trunk, thigh and calf. The shoulder force device is fixedly connected to one end of the trunk support, one end of the thigh support is hinged to the other end of the trunk support, and the thigh support The other end of the plate is hinged to one end of the calf support, and the other end of the calf support is hinged to the foot force device. The corresponding joints of the hip, knee and ankle joints of the lower limbs can also be adjusted to different flexion angles. The trunk support and the foot A tension connecting rod is also arranged between the stress devices, one end of the tension connecting rod is fixedly connected to the trunk supporting plate, and the other end of the tension connecting rod is slidably connected to the foot stress device, when the shoulder force device and the foot When the internal force-bearing device is stretched to both sides by external force, the trunk support plate, thigh support plate and calf support plate can form a flat structure. After the board is on the top, it can be adjusted to the same length, and can adapt to the height requirements of different people. It is supported by the shoulder force device and the foot force device. When the foot continues to push down, the shoulder force device and the foot force The device forms a reaction force, thereby realizing the pressurization of the spine and lower limb joints, and simulating the load-bearing state of the human spine and lower limb joints.

Description of drawings

The present invention will be further described by using the accompanying drawings, but the content in the accompanying drawings does not constitute any limitation to the present invention.

Fig. 1 is a schematic perspective view of the three-dimensional structure of an auxiliary device for medical image examination in a spinal joint weight-bearing position according to the present invention.

Fig. 2 is a perspective schematic view of a three-dimensional structure of an auxiliary device for medical image examination in a spinal joint weight-bearing position according to the present invention.

In Figure 1 and Figure 2, including:

1—shoulder pull, 2—upper trunk support plate;

3——lower trunk support plate, 4——upper thigh support plate;

5—the lower thigh support, 6—the connecting piece of the thigh support;

7—upper calf support, 8—lower calf support;

9——Calf support plate connecting piece, 10——Tension connecting rod;

11—foot pedal, 12—boss;

13—resistance plate, 14—adjustment slope;

15——resistance bottom plate, 16——teeth;

17 - Groove.

detailed description

The present invention is further described in conjunction with the following examples.

Example 1.

As shown in Fig. 1 and Fig. 2, an auxiliary device for medical imaging examination of a spinal joint weight-bearing position according to the present invention includes a shoulder force-bearing device, a trunk supporting board, a thigh supporting board, a calf supporting board and a foot receiving device connected in sequence. The force device, the trunk support plate, the thigh support plate and the calf support plate can play a supporting role on the human body trunk, thigh and calf. The other end of the trunk support plate, the other end of the thigh support plate is hinged to one end of the calf support plate, and the other end of the calf support plate is hinged to the foot force device, and the corresponding joints of the hip, knee, and ankle joints of the lower limbs can also achieve different flexions The angle is adjusted, and there is a scale mark at the connection, which is convenient for controlling the adjustment angle. As shown in Figure 1, a stretch connecting rod 10 is also provided between the trunk supporting board and the foot force receiving device, one end of the stretching connecting rod 10 is fixedly connected to the trunk supporting board, and the other end of the stretching connecting rod 10 is slidably connected. For the foot bearing device, when the shoulder bearing device and the foot bearing device are stretched to both sides by external force, the trunk supporting board, thigh supporting board and calf supporting board can form a flat plate structure, and the stretching connecting rod 10 is in the Stretched state and generate a force in the opposite direction to the external force. After the human body lies on the supporting board, it adjusts to the same length and can adapt to the height requirements of different people. It is supported by the shoulder force device and the foot force device. When the foot continues When pushing down hard, the shoulder force device and the foot force device form a reaction force, thereby achieving pressure on the spine and lower limb joints, simulating the load-bearing state of the human spine and lower limb joints. Moreover, the auxiliary device can be disassembled and assembled, and is suitable for examination tables and apertures of current mainstream CT and MRI.

As shown in Figure 1, the foot force receiving device includes a foot pedal 11, a resistance plate 13 and a resistance base plate 15, the other end of the calf support plate is hinged to the resistance base plate 15, and one end of the foot pedal 11 is hinged to the resistance base plate 15. The plate 13 is fixedly connected to the resistance bottom plate 15, and the resistance plate 13 is provided with an adjustment slope 14 on the side facing the foot pedal 11, and the foot pedal 11 is provided with a boss 12 on the side facing the resistance board 13, and the boss 12 abuts against the adjustment The slope 14 and can slide on the adjustment slope 14. The adjustment slope 14 of the resistance plate 13 can move the foot pedal 11 up and down, adjust the angle between the calf support plate and the foot pedal 11, and have an inverted contact surface with the boss 12 of the foot pedal 11 and with the contact surface of the resistance plate 13 bottom plate. The button teeth play a fixing role, resisting the force transmitted by the foot pedal 11 and transmitting the force to the resistance base plate 15 .

As shown in Figure 1 and Figure 2, the shoulder force device is a shoulder handle 1, and the shoulder handle 1 is a hook-shaped shoulder handle 1 with one end fixed to the trunk support plate, and the opening direction of the hook-shaped shoulder handle 1 faces the foot One side of pedal 11. There are one left and one shoulder handles 1 with the same size and length, which are adapted to the width of the shoulders of the human body, and the pads on the fitting surface of the human body have flexible materials.

The auxiliary device is made of non-metallic material to avoid metal artifacts in imaging examinations and is suitable for use in magnetic resonance environments.

Example 2.

An auxiliary device for medical imaging examination of the weight-bearing position of the spine joint, the other structures are the same as those in Embodiment 1, the difference is that, as shown in Figure 1 and Figure 2, two shoulder handles 1 are arranged, and the two shoulder handles 1 are arranged symmetrically on both sides of the centerline of the torso plate.

As shown in Figure 1, there are two thigh support plates, and the two thigh support plates are symmetrically arranged on both sides of the center line of the trunk support plate; corresponding to the thigh support plates, there are two calf support plates.

Example 3.

An auxiliary device for medical imaging examinations in the weight-bearing position of spinal joints, the other structures are the same as in Embodiment 1 or 2, the difference is that: as shown in Figure 1 and Figure 2, the trunk supporting board is set as the upper trunk supporting board along the length of the human body 2 and the lower trunk supporting board 3, the upper trunk supporting board 2 is slidably connected to the stretching connecting rod 10, and the lower trunk supporting board 3 is fixedly connected to the stretching connecting rod 10. The bottom surface of the upper trunk supporting plate 2 is provided with a groove 17, and the inner edges of the groove 17 are serrated teeth 16, which are compatible with the tension connecting rod 10; the bottom surface of the resistance base plate 15 is provided with a groove 17, and the groove 17 The inner edges of both sides are serrated teeth 16, which are compatible with the tension connecting rod 10; 17 inlaid, adjusting the inlaid position of the tension connecting rod 10 can realize the adjustment of the length.

As shown in Fig. 1 and Fig. 2, the thigh supporting plate is arranged as an upper thigh supporting plate 4 and a lower thigh supporting plate 5 along the length direction of the human body, and the upper thigh supporting plate 4 and the lower thigh supporting plate 5 are connected by the thigh supporting plate connecting piece 6, The distance between the upper thigh supporting board 4 and the lower thigh supporting board 5 is adjustable. It is convenient to adjust the length of the thigh support plate to adapt to the thigh size of different human bodies.

As shown in Fig. 1 and Fig. 2, the calf supporting plate is arranged as an upper calf supporting plate 7 and a lower calf supporting plate 8 along the length direction of the human body, and the upper calf supporting plate 7 and the lower calf supporting plate 8 are connected by the calf supporting plate connecting piece 9, The distance between the upper calf supporting board 7 and the lower calf supporting board 8 is adjustable. It is convenient to adjust the length of the calf support plate to adapt to the calf size of different human bodies.

Example 4.

An auxiliary device for medical image examination in the weight-bearing position of spinal joints, the other structures are the same as those in Embodiment 1 or 2, except that:

The auxiliary device is made of polyoxymethylene resin material. Formaldehyde resin can avoid artifacts in imaging examinations and is suitable for use in magnetic resonance environments.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that Modifications or equivalent replacements are made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. An auxiliary device for spinal joint weight-bearing position medical imaging examination, characterized in that: it comprises a shoulder force-bearing device, a trunk supporting plate, a thigh supporting plate, a calf supporting plate and a foot force-bearing device connected in sequence, and the shoulder The external force bearing device is fixedly connected to one end of the trunk supporting board, one end of the thigh supporting board is hinged to the other end of the trunk supporting board, and the other end of the thigh supporting board is hinged to one end of the calf supporting board , the other end of the calf support is hinged to the foot force device, a tension connecting rod is also provided between the trunk support plate and the foot force device, and one end of the tension connection rod It is fixed to the trunk support plate, and the other end of the tensile connecting rod is slidably connected to the foot force device. When the shoulder force device and the foot force device are subjected to external force to both sides When stretched, the stretched connecting rod is in a stretched state and generates a force opposite to the external force. 2. The auxiliary device for medical image examination of weight-bearing position of spinal joints according to claim 1, characterized in that: the foot force bearing device includes a foot pedal, a resistance plate and a resistance bottom plate, and the calf support plate The other end is hinged to the resistance base plate, one end of the foot pedal is hinged to the resistance base plate, the resistance plate is fixed to the resistance base plate, and the resistance plate is provided on the side facing the foot pedal. Adjusting the inclined surface, the side of the foot pedal facing the resistance plate is provided with a boss, and the boss abuts against the adjusting inclined surface and can slide on the adjusting inclined surface. 3. The auxiliary device for medical imaging examination of the weight-bearing position of spinal joints according to claim 1, characterized in that: the shoulder force-bearing device is a shoulder handle, and one end of the shoulder handle is fixedly connected to the trunk support The hook-shaped shoulder handle of the board, the opening direction of the hook-shaped shoulder handle faces one side of the foot pedal. 4. The auxiliary device for medical imaging examination of weight-bearing position of spinal joints according to claim 3, characterized in that: there are two shoulder handles, and the two shoulder handles are symmetrically arranged on the sides of the trunk support plate. on both sides of the centerline. 5. The auxiliary device for medical imaging examination of the weight-bearing position of the spine joint according to claim 4, characterized in that: two thigh support plates are arranged, and the two thigh support plates are symmetrically arranged on the trunk support Two sides of the center line of the plate; corresponding to the thigh support plate, there are two calf support plates. 6. The auxiliary device for medical imaging examination of weight-bearing position of spinal joints according to claim 1, characterized in that: the trunk supporting board is arranged as an upper trunk supporting board and a lower trunk supporting board along the length direction of the human body, and the upper trunk supporting board The trunk supporting board is slidably connected to the tension connecting rod, and the lower torso supporting board is fixedly connected to the tension connecting rod. 7. The auxiliary device for medical imaging examination of the weight-bearing position of spine joints according to claim 6, characterized in that: the thigh support is arranged as an upper thigh support and a lower thigh support along the length direction of the human body, and the upper thigh support The thigh supporting board and the lower thigh supporting board are connected through the thigh supporting board connecting piece, and the distance between the upper thigh supporting board and the lower thigh supporting board is adjustable. 8. The auxiliary device for medical image examination in the weight-bearing position of spinal joints according to claim 7, characterized in that: the calf support is arranged as an upper calf support and a lower calf support along the length direction of the human body, and the upper calf support The calf supporting board and the lower calf supporting board are connected through the connecting piece of the calf supporting board, and the distance between the upper calf supporting board and the lower calf supporting board is adjustable. 9 . The auxiliary device for medical imaging examination in weight-bearing position of spinal joints according to any one of claims 1 to 8 , characterized in that: the auxiliary device is made of non-metallic material. 10 . The auxiliary device for medical image examination in the weight-bearing position of spinal joints according to claim 9 , wherein the auxiliary device is made of polyoxymethylene resin. 11 .