Method for performing lower limb rehabilitation training

Patent metadata

Field	Value
Publication number	US-11872174-B2
Application number	US-202117304756-A
Country	US
Kind code	B2
Filing date	Jun 25, 2021
Priority date	Nov 17, 2016
Publication date	Jan 16, 2024
Grant date	Jan 16, 2024

Abstract

A method for performing lower limb rehabilitation training comprises the steps of: (a) placing a training object's feet on a pedal in a limb rehabilitation training system, wherein the pedal comprises a pressure sensor and a location information sensor; (b) standing stably on the pedal to enable the pressure sensor on the pedal to record the body weight of the training object; and (c) sitting down on the saddle, thereby enabling: the pressure sensor on the pedal to monitor pressure variation between the training object and the pedal throughout the training of the training object, wherein the rehabilitation evaluating unit evaluates the physical status and rehabilitation status of the training object according to the physiological information and exercise information of the same collected by the sensing unit, and adjusts the exercise frequency and the exercise duration of the training object according to the physical status.

First claim

What is claimed is:

1. A method for performing lower limb rehabilitation training by a training object, comprising the steps of:
(a) placing a training object's feet on a pedal in a limb rehabilitation training system,
wherein the pedal comprises a pressure sensor and a location information sensor; and
wherein the training system comprises:
a mechanical structure module, comprising:
a driving unit; and
a linkage unit arranged on a frame, wherein the frame is connectively linked to a saddle, a handrail, and a rehabilitation evaluating unit,
wherein the handrail comprises at least one physiological information sensor, and
wherein the at least one physiological information sensor comprises a heart rate sensor, a body temperature sensor and/or a blood pressure sensor;

wherein the mechanical structure module at least comprises: a groove plate for supporting a cam roller, the pedal for supporting the weight of the training object and driving the lower limb of the training object to move, a link for transmitting kinetic energy to the pedal, a rocker for supporting the link, a connecting bulge for driving a guide shaft to rotate, a linear bearing for supporting the guide shaft, the guide shaft for driving a slider to rotate, the slider for driving the link to operate, an axis pin for connecting the link and the slider, and the cam roller for making the slider move along a groove trajectory of the groove plate; wherein the pedal and the link are rigidly connected, while the link is hinged to the first rocker and the axis pin respectively, the rocker is hinged to the frame, the connecting bulge is provided with two parallel columnar through holes, the linear bearing is received in the columnar through hole, the guide shaft passes through the linear bearing, the guide shaft and the slider are rigidly connected to each other, and the cam roller is rigidly connected to the connecting bulge through the axis pin, and the cam roller performs curved movement along the groove plate, as the curvature radius changes, the guide shaft performs linear movement with respect to the connecting bulge, the linear bearing is arranged in the connecting bulge for reducing mechanical wear between the guide shaft and the connecting bulge, thereby improving the service life; and
a function module, comprising:
a sensing unit that collects body function data, wherein the body function data comprises pedal pressure, exercise duration, and exercise mileage, wherein the sensing unit comprises a single-chip microcomputer, a pressure sensor that collects the pedal pressure data, a time sensor that collects the exercise duration data, a velocity sensor that collects the exercise mileage data, an amplification circuit and an A/D conversion circuit that amplifies and transmits body function data collected by the pressure, time and velocity sensors to the single-chip microcomputer, wherein the single-chip microcomputer sends the body function data to the mobile terminal;
a mobile terminal, wherein the mobile terminal collects physiological data of the training object and sends both the body function data and the physiological data to the data-processing cloud terminal, wherein the physiological data include body height, body weight, and age of the training object; and
a data-processing cloud terminal comprising a data-processing unit and a rehabilitation database, wherein the data-processing cloud terminal performs:
(1) a first matching between data collected by the sensing unit, and expert data stored in the data-processing cloud terminal to provide a first rehabilitation training program, and stores the first rehabilitation training program in the data-processing cloud terminal; wherein the expert data comprise rehabilitation training programs associated with physiological data and/or body function data of training objects; and
(2) a second matching between physiological data of the training object collected by the mobile terminal and the first rehabilitation training program to generate a second rehabilitation training program, stores the second rehabilitation training program in the data-processing cloud terminal, and sends the second rehabilitation training program to the mobile terminal as a recommended rehabilitation training scheme, wherein the second rehabilitation training program comprises a duration of each training session and/or a number of training sessions per day and/or a training cycle and/or an exercise mileage and/or support provided by the pedal;

(b) standing stably on the pedal to enable the pressure sensor on the pedal to record the body weight of the training object; and
(c) sitting down on the saddle, thereby enabling:
the pressure sensor on the pedal to monitor pressure variation between the training object and the pedal throughout the training of the training object;
the location information sensor on the pedal to monitor the foot motion trajectory and exercise frequency of the training object;
the temperature sensor, the heart rate sensor and/or blood pressure sensor on the handrail to monitor body temperature variation, heart beat variation and blood pressure variation of the training object; and
the pressure sensor on the saddle monitors the bottom pressure variation of the training object,
wherein the rehabilitation evaluating unit evaluates a physical status and rehabilitation status of the training object according to the physiological information and exercise information of the same collected by the sensing unit, and adjusts the exercise frequency and the exercise duration of the training object according to the physical status.

2. The method of claim 1 , wherein the rehabilitation evaluating unit adjusts the exercise frequency of the pedal based on the physiological information of the training object by adjusting a driving frequency of the driving unit.

3. The method of claim 1 , wherein the rehabilitation evaluating unit readjusts the exercise frequency and saddle altitude based on the pressure data related to the training object standing on the pedal and the foot motion trajectory.

4. The method of claim 1 , wherein when physiological information of the training object shows an abnormality, the rehabilitation evaluating unit stops guiding the training object to perform lower limb rehabilitation training, and returns the training object to a standard sitting posture.

5. The method of claim 1 , wherein the rehabilitation evaluating unit comprises an alarm unit that gives out an alarm when the physiological information data of the training object show an abnormality.

6. The method of claim 1 , wherein the rehabilitation evaluating unit comprises a data-processing unit, an evaluating unit and a control unit,
wherein the data-processing unit screens valid data from exercise data collected by the sensing unit, and sends the valid data to the evaluating unit,
wherein the evaluating unit evaluates the physiological status and rehabilitation status of the training object based on the valid data, and
wherein the control unit adjusts the exercise frequency and exercise duration of the training object based on the evaluation by the evaluating unit.

7. The method of claim 6 , wherein the rehabilitation evaluating unit evaluates the physical status of the training object based on data it receives such that if the training object has an increasing heart beat frequency during the standing training and it turns out that the heart beat frequency exceeds a normal range, the evaluating unit instructs the control unit to decrease the exercise frequency, thereby allowing the heart beat frequency of the training object to come back to the normal frequency.

8. The method of claim 1 , wherein the mobile terminal controls a motor in the mechanical structure module of

Assignees

• Univ Hefei Technology

Inventors

• Zhao Ping
• Yang Jiaoyun
• An Ning
• Zhu Lihong
• Chen Bing
• Guan Tianjun
• Zhang Liang
• Zhang Ping

Classifications

• A61H1/0262 Primary

  Walking movement; Appliances for aiding disabled persons to walk (A61H3/00 takes precedence) · CPC title

• A61B5/1118

  Determining activity level · CPC title

• A61B5/1122

  of movement trajectories · CPC title

• A61B5/6895

  Sport equipment · CPC title

• A61B5/746

  Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms · CPC title