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An ankle rehabilitation device

A rehabilitation device and ankle joint technology, applied in the field of medical devices, can solve the problems of insignificant rehabilitation effect of the equipment, inability to meet the needs of patients for rehabilitation training, and a small rotatable angle, so as to achieve good rehabilitation effect, good rehabilitation effect and structure. simple effect

Active Publication Date: 2016-08-24
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to achieve a better rehabilitation effect and satisfy the number of degrees of freedom of the ankle joint rehabilitation movement, the existing technology often controls the variables of the degrees of freedom by setting more driving devices, which not only increases the equipment cost and the difficulty of equipment control, but also reduces the system flexibility
[0011] 2. The structure is complex, especially the equipment using pneumatic or hydraulic servo mechanism, not only the structure is very complicated, but also the cost of manufacture and use is very high
[0012] 3. The rehabilitation effect of the equipment is not significant
Some devices in the prior art can be rotated at a very small angle, so that the effect of rehabilitation training is not obvious, and cannot meet the needs of patients for rehabilitation training

Method used

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Experimental program
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Embodiment 1

[0057] see Figure 1 to Figure 5 , the first embodiment of the present invention is an ankle joint rehabilitation device, the rehabilitation device includes a movable platform 1, a fixed platform 2 and an adjustment mechanism 3, the upper end of the adjustment mechanism 3 is connected to the movable platform 1, and the lower end of the adjustment mechanism is connected to the fixed platform Platform 2.

[0058] The top surface of the moving platform 1 is provided with a foot pedal 11 on which a pressure sensor 111 and a functional electrical stimulation electrode 112 are installed. The bottom surface of the moving platform 1 is provided with four first ball joints 12 , one of which is the first ball joint 12 . The ball joint 12 is arranged at the center of the bottom surface of the moving platform 1 , and the other three first ball joints 12 are evenly distributed on the bottom surface of the moving platform 1 around the central first ball joint 12 .

[0059] The adjusting me...

Embodiment 2

[0070] The second embodiment of the present invention is an ankle joint rehabilitation training system, including the ankle joint rehabilitation device and control system in the first embodiment, and the control system includes:

[0071] The pressure sensor 101 is arranged on the sole pedal of the rehabilitation device, and is used to obtain the sole pressure signal;

[0072] The position sensor 102 is arranged in the driving device of the rehabilitation device, and is used for online recording of the position information of the ankle joint rehabilitation device at each movement moment;

[0073] The signal acquisition module 201 is used to collect the plantar pressure signal and transmit the plantar pressure signal to the computer module;

[0074] The computer module 301 is used for receiving and processing the plantar pressure signal, and sending control instructions to the driving module;

[0075] The driving module is used to make corresponding driving actions according to...

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Abstract

The invention relates to a rehabilitation device, which includes a moving platform, a fixed platform and an adjustment mechanism for connecting the two. The top surface of the moving platform is provided with foot pedals, and the bottom surface is provided with a first ball joint; the adjustment mechanism includes two driving devices, at least two first connecting rods, at least two second connecting rods, at least three support rods and a central restraint rod; the lower end of the central restraint rod is connected to The platform is fixed, and the upper end is connected to the first ball joint; the driving device, the first connecting rod and the second connecting rod are connected in sequence for horizontal rotation, and each joint is provided with a second ball joint, and the two ends of the support rod are respectively connected to the first ball joint and the second ball joint to drive the moving platform to rotate; the foot pedal is provided with a pressure sensor and a functional electric stimulation electrode. Through the above structure, the present invention adopts two driving devices to realize the three-degree-of-freedom rotation of the rehabilitation device, so that the rehabilitation device is conveniently controlled, the structure is simplified, and the cost is reduced. The present invention also relates to a rehabilitation training system, which is provided with three training modes to effectively help patients to perform rehabilitation training.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to an ankle joint rehabilitation device. Background technique [0002] Generally speaking, a parallel mechanism is defined as a closed-loop mechanism in which a moving platform and a fixed platform are connected by at least two independent kinematic chains, have two or more degrees of freedom, and are driven in parallel. Due to its large stiffness-to-weight ratio, strong bearing capacity, small error accumulation, good dynamic performance, and compact structure, it has been gradually used in the field of ankle rehabilitation training equipment in recent years. [0003] Rutger University in the United States designed an ankle orthopaedic machine based on the Stewart platform. The device uses a pneumatic drive mechanism to make the platform complete six degrees of freedom movement (Girone, M.J., et al. Othopedic Rehabilition Using the "Rutgers Ankle" Interface [A] .Proc.ofMedicineMeets...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61H1/02A61N1/36A63B23/08A63B21/005
Inventor 赵国如王永奉范顺成刘更谦
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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