CN102028476A - Static balance evaluation training system in form of back support and weight loss - Google Patents
Static balance evaluation training system in form of back support and weight loss Download PDFInfo
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Abstract
The invention provides a static balance evaluation training system in the form of back support and weight loss. The hardware comprises a training bed, a control cabinet, a master control computer, a display device for a patient and a main display screen, wherein the training bed comprises a bed seat, a bed frame and a bed board; the bed frame is arranged on the bed seat and is rotationally connected with the bed seat; the bed board is fixed on the bed frame; the front end of the bed board is connected with a left pedal component and a right pedal component; a bed board angle adjusting mechanism is arranged between the bed frame and the bed seat; and a sole pressure sensing device is respectively arranged on the left pedal component and the right pedal component. The software comprises a function testing module and a function training module. Data is acquired by testing and evaluating the capability of the patient of maintaining standing balance in the form of back support and weight loss (or non-weight loss). According to the evaluation result, the training time and the training intensity are determined. The patient is subjected to static type standing balance training to helpfully quicken the recovery of the patient.
Description
Technical field
The present invention relates to a kind of rehabilitation medical apparatus, relate in particular to a kind of back support loss of weight static equilibrium evaluation training system.
Background technology
According to statistics, China's cerebrovascular, parkinson disease, craniocerebral trauma, spinal cord injury annual morbidity respectively are 2,19/,100,000,1,00/,100,000,55.4/10 ten thousand and 6/,100,000.And because aging, natural disaster takes place frequently and contingency increases cause, sickness rate is increasing year by year.These diseases and damage can cause the equilibrium function obstacle, and even disabled.Seriously ill residual patient is an example with 320 of present survival～4,000,000 cerebrovasculars, and the equilibrium function obstacle is one of main disability-causing factor.A plurality of evidence-based medicine EBM evidences show that the equilibrium function exercise is an important way of improving function, and equilibrium function is carried out the prerequisite and the requisite measure of summing up curative effect that assessment of function then is training.
Static equilibrium is a mode in a basic balance, and promptly human body is kept the ability of stable posture on immobilized supporting surface.Development abroad balance evaluation/training system has ultracare and Biodex balance test training system etc. than product of the future for many years, and the digitizer development of domestic equilibrium evaluation and training then relatively lags behind, and patent is limited as basis evaluation/exercise equipment more.At the patient who lacks the ability of independently standing, how carrying out balance training in early days is the problem that need solve.Present main rehabilitation training mode is to use Suspenoing apparatus to carry out weight-losing.Suspenoing apparatus uses suspender upwards to draw weight in patients, needs constraint patient trunk, operates more loaded down with trivial detailsly, and easily brings patient's discomfort.
In addition, functional training product in the past often lacks recreationization training and visual feedback, and patient and instrument just can not carry out interaction like this, and training can not excite patient's interest, makes patient to the training self-distrust that seems.This long-term and dull training can influence the rehabilitation of patients process, causes rehabilitation efficacy undesirable.
Summary of the invention
Purpose of the present invention exactly in order to address the above problem, provides a kind of back support loss of weight static equilibrium evaluation training system.
In order to realize above purpose, the present invention has adopted following technical scheme: a kind of back support loss of weight static equilibrium evaluation training system, and it comprises:
The training bed, comprise base, bedstead and bed board, bedstead is installed on the base and with base is rotatable and links to each other, bed board is fixed on the bedstead, front end at bedstead is connected with left and right pedal assembly, be provided with the bed board angle adjusting mechanism between bedstead and base, this bed board angle adjusting mechanism comprises a linear stepping motor;
Control chamber is installed on the base, is provided with sensing device interface circuit, motor drive module and power module in the control chamber, and power module is respectively the sensing device interface circuit and motor drive module provides power supply; Motor drive module links to each other with the linear stepping motor signal of telecommunication in the bed board angle adjusting mechanism;
Main control computer, be arranged on the operating board, be provided with data acquisition module and motion-control module in the main control computer, data acquisition module links to each other with the sensing device interface circuit signal of telecommunication in the control chamber, and motion-control module links to each other with the motor drive module signal of telecommunication in the control chamber;
The patient uses display device, is movably arranged on the next door of training bed and links to each other with the main control computer signal of telecommunication;
Main display is arranged on the operating board and with the main control computer signal of telecommunication and links to each other.
Described left and right pedal modular construction symmetry is identical, respectively comprises pedal support, foot front end buffer, the heel axis of guide and pedal; Pedal support and bedstead are fixedly linked; The foot front end buffer and the heel axis of guide are connected between pedal and the pedal support; Be provided with the plantar pressure sensing device around the pedal, the plantar pressure sensing device links to each other with the sensing device interface circuit signal of telecommunication in the control chamber.
Described plantar pressure sensing device is made up of the cantilever beam that posts four foil gauges, the cantilever beam that posts four foil gauges is inserted in the sole stressed member of being made up of pedal, pedal support, foot front end buffer and the heel axis of guide, and the real time data of plantar pressure sensing device is the basis of static posture figure and center of gravity assessment.
Described patient comprises travelling car, is installed in support on the travelling car and rack-mount display screen with display device, and display screen and support flexibly connect, and the height of display screen and angle can be regulated.
On the base of described training bed a plurality of universal adjustment castors are installed, and correspondingly are provided with a plurality of flexible up and down governor motions of castor that are used to regulate.
Also comprise the bed board angular display unit, this bed board angular display unit is installed on the bedstead and moves with bedstead.
Back support loss of weight static equilibrium of the present invention is evaluated training system in use, and the patient relies under bed board that can tilt or the state of independently the standing at the back, carries out orthostatic assessment of function and training.On the one hand, it utilizes the supporting role generation different weight loss effect of the bed board of adjustable angle to the back, and on the other hand, its utilizes the advanced computer control and the center of gravity and the posture change of sensing device technical testing human body.It can carry out weight-losing, carries out early rehabilitation, and has avoided the shortcoming of suspention loss of weight, also has the technology of intelligent balance sysmte.
Its function is mainly:
1, assessment of function: the static posture figure under any back support angle (0-90 °) and the independent standing state, the gained assessment parameters comprises frontal plane hunting frequency, average center of gravity, the maximum amplitude of oscillation of frontal plane, the average amplitude of oscillation of frontal plane, center of gravity motion track total length, the center of gravity motion track gross area and frontal plane side slew rate etc.;
2, functional training: the exercise scheme that static standing balance exercise under any back support angle (0-90 °) and the independent standing state and corresponding difficulty are step by step gone forward one by one has vision and sound feedback and virtual environment training program and balance games training program.
Description of drawings
Fig. 1 is the overall structure sketch map of back support loss of weight static equilibrium evaluation training system of the present invention;
Fig. 2 is a plantar pressure sensing device placement location sketch map.
The specific embodiment
Referring to Fig. 1, back support loss of weight static equilibrium evaluation training system of the present invention comprises that training bed 1, control chamber 2, main control computer 3, patient use display device 4 and main display 5.Control chamber 2 is installed on the base 11 of training bed, main control computer 3 is arranged on the operating board (operating board not shown come out), the patient is movably arranged on the next door of training bed with display device 4 and links to each other with the main control computer signal of telecommunication, and main display 5 is arranged on the operating board and with the main control computer signal of telecommunication and links to each other.
Training bed 1 among the present invention comprises base 11, bedstead 12 and bed board 13, bedstead 12 be installed on the base 11 and with base 11 by 6 rotatable linking to each other of rotating shaft, and be supported on base 11 tops by two push rods 9 (being separately positioned on both sides).Bed board 13 is fixed on the bedstead 12, is connected with left and right pedal assembly 14 at the front end of bedstead 12, is provided with bed board angle adjusting mechanism 15 between bedstead 12 and base 11, and this bed board angle adjusting mechanism comprises a linear stepping motor.On the base 11 of training bed, a plurality of universal adjustment castors 111 are installed, and correspondingly are provided with a plurality of flexible up and down governor motions 112 of castor that are used to regulate.Bed board angular display unit 8 also is installed on bedstead 12, and bed board angular display unit 8 moves the angle that is used to show bedstead 12 and bed board 13 inclinations with bedstead 12.
Left and right pedal assembly 14 symmetrical configuration among the present invention are identical, respectively comprise pedal support 141, foot front end buffer 142, the heel axis of guide 143 and pedal 144.Pedal support 141 is fixedly linked with bedstead 12; The foot front end buffer 142 and the heel axis of guide 143 are connected between pedal 144 and the pedal support 141.Around pedal 144, be provided with the plantar pressure sensing device, as shown in Figure 2.This plantar pressure sensing device is made up of the cantilever beam that posts four foil gauges, the cantilever beam that posts four foil gauges is inserted in the sole stressed member of being made up of pedal, pedal support, foot front end buffer and the heel axis of guide, and links to each other with the sensing device interface circuit signal of telecommunication in the control chamber 2 respectively.
The patient is movably arranged on the next door of training bed 1 with display device 4 and links to each other with main control computer 3 signals of telecommunication, this patient comprises travelling car 41, is installed in support 42 on the travelling car and rack-mount display screen 43 with display device 4, display screen and support flexibly connect, and the height of display screen and angle can be regulated.
The present invention adopts the control of main control computer realization center, is shown by two display screens.Wherein main display is placed on the operating board, uses for medical personnel.Main display can show and comprises all the elements such as patient information, test report, functional training, game training, generation report, system are provided with, and can control the content of patient with display screen simultaneously.The patient shows training process, the participation process of recreation and the result of training etc. with display location the place ahead when the patient trains, and grasps for the patient.
The collection of data and processing among the present invention, gather the plantar pressure data by the pressure sensor device group, be transferred to the sensing device interface circuit in the control chamber, send integrated card (keeping) to enter data collecting card by the change of multichannel sensing through signal amplification, filtering, sampling, outputing to main control computer then handles signal, make left and right sides foot firmly size show with block diagram intuitively, thereby make patient according to own situation adjusting posture and dynamics.Certainly patient also can get information about the training by a period of time, oneself has obtained great progress, helps helping patient to set up the confidence of rehabilitation, excites their training desire.Can carry out frontal plane hunting frequency, average center of gravity, the maximum amplitude of oscillation of frontal plane, the average amplitude of oscillation of frontal plane, center of gravity motion track total length, the center of gravity motion track gross area and isoparametric calculating of frontal plane side slew rate and demonstration by the various signals of gathering simultaneously.
Be provided with motion-control module in the main control computer among the present invention, main control computer is by the linear stepping motor in the motion-control module driving bed board angle adjusting mechanism.Make its positive and negative rotation that transfers the realization bed board by the Synchronization Control motor, reach the effect that bed board 0～90 degree tilts arbitrarily with this.The patient just can realize lying low, reclining even stand and train like this, has realized assessment and training under the various angle Reduction of Students' Study Load states.Linear stepping motor control bed board motion in the bed board angle adjusting mechanism, the inclination that realizes health is with loss of weight.
Above-mentioned hardware has been realized automatic loss of weight function, gathers data such as related pressure by sensing device group in the hardware and data acquisition unit simultaneously, and main control computer carries out date processing, demonstration, storage and printing.
The present invention is provided with static equilibrium evaluation training system software in main control computer, this software comprises testing evaluation module and functional training module.Adopt back support loss of weight static equilibrium evaluation training system of the present invention as follows to the method that the patient carries out testing evaluation and functional training:
A, allow the patient tilt to lie on the training bed, and allow its left and right sides foot step down in respectively on the pedal of the left and right sides, left and right sides pedal is on the same horizontal plane;
B, determine required loss of weight weight, and the angle of inclination by regulating the training bed is to realize this loss of weight weight according to patient's practical situation;
C, patient make patient can recognize the practical situation of oneself according to the left and right sides lower limb of patient's display screen are firmly big or small with block diagram demonstration intuitively, suitably regulate posture and dynamics, keep standing balance.
D, computer enter the testing evaluation module of static equilibrium evaluation training system, carry out the static equilibrium test, to obtain the testing evaluation result of every static posture graph parameter;
E, computer enter the functional training module of static equilibrium evaluation training system, according to the testing evaluation result, select suitable training time and loss of weight angle, carry out static equilibrium training, training achievement with center of gravity drop on from normal center of gravity zero-bit ± 5%, ± 10%, ± time ratio in 20% and ± 30% zone and well center of gravity percentage ratio represent.
It is the basis of static posture graph parameter assessment that center of gravity in patient's static equilibrium test process changes, and all will use in described below seven CALCULATION OF PARAMETERS, and (center of gratitude is COG) before second rumpbone for general gravity center of human body.Center of gravity projection in this system refers to the projection of gravity center of human body on pedal, because that human body is in the standing balance process side force is very little, so gravity center of human body's projected position test philosophy just can be reduced to:
x＝(F
A+F
B-F
C-F
D)·L/G
y＝(F
B+F
D-F
A-F
C)·M/G
In the formula, L is the distance of O (the O point is pedal detection platform center, the left and right sides) to the X-axis of pick off, and M is the distance of O point to the Y-axis of pick off, and G is the patient's human weight behind the loss of weight, F
A, F
B, F
C, F
DBe respectively the reading of four pick offs, the pick off symmetry is placed on pedal below, the left and right sides as shown in Figure 2, and stressed size records by pick off.
The patient assesses the frontal plane hunting frequency and changes in the back support loss of weight stands still process, reflected within a certain period of time, center of gravity is projected in the change frequency that frontal plane is the positive negative value of horizontal direction, in algorithm, only represent the speed that the center of gravity projected position changes along X-direction, this parameter value is big more, and promptly the frequency of Bian Huaing is high more, and reflection patient shake is serious more, center of gravity control is unstable more, as parkinson disease.
Frontal plane hunting frequency change algorithm is: changed by the center of gravity in the above-mentioned static equilibrium test process, move to right side area and move to the number of times of left field and the ratio of time from right side area from left field according to the projection of patient's center of gravity again, that is:
In the formula, N is the number of times that the center of gravity projection is swung from the left field to the right side area and from the right side area to the left field, the testing time of T for selecting.
Average center of gravity when assessment back support loss of weight stands still has reflected in the motor process that stands still, two lower limb balance of exerting oneself, and absolute value is more little, and the expression balanced degree is good more, on the occasion of big more, shows that right lower extremity is stronger than left lower extremity; Negative value is big more, and is then opposite.Clinical data shows that average center of gravity projection value is big more, and body symmetry is poor more, as the apoplexy hemiptegic.It is defined as the ratio of patient's center of gravity projection offset distance sum and times of collection, and computational methods are:
In the formula, Gi is each position of gathering the projection skew of center of gravity on pedal plate; I=1,2,3,4 ... N (i, N are integer), N is counting of gathering in the testing time of selecting.
The maximum amplitude of oscillation of frontal plane when assessment back support loss of weight stands still, the two lower limb of the reflection patient maximum of degrees of offset firmly on directions X.Frontal plane is maximum, and the amplitude of oscillation is big more shows the patient under the loss of weight state, when standing still motion about the two lower limb difference of exerting oneself, this difference is relevant with body symmetry, difference is big more to show that symmetry is poor, a little less than the stability.Relevant disease such as amputee, the hemiptegic.
It is defined as the ultimate range that the projection of patient's center of gravity is offset normal center of gravity projection zero-bit, and its computational methods are:
Smax＝Max|Si|
In the formula, Si is the length that each center of gravity projection of gathering is offset normal center of gravity projection zero-bit, i=1,2,3,4 ... N (i, N are integer).
The average amplitude of oscillation of frontal plane when assessment back support loss of weight stands still under the reflection patient loss of weight state, is shaken severe degree and speed on directions X in the process that stands still, the big more patient's balanced capacity that shows of its value is poor more, relevant disease such as extrapyramidal disease.Its computational methods are:
In the formula, Si is the length that each center of gravity projection of gathering is offset normal center of gravity projection zero-bit, i=1,2,3,4 ... N (i, N are integer), N is counting of gathering in the testing time of selecting.
Center of gravity projection motion track total length had reflected under patient's loss of weight state when assessment back support loss of weight stood still, center of gravity projection motion track total length when standing still, and its value is big more to show that center of gravity projection offset distance summation is long more, patient's balanced capacity is poor more.
According to track classification (centre type, front and back type, left right model, multicenter type, diffusion-type), assess the judgement patient's states, normally be the multicenter type.The computational methods of multicenter type center of gravity projection motion track total length are:
In the formula, X
i, Y
iBe each coordinate of gathering center of gravity projection deviation post.I=0,1,2,3,4 ... N (i, N are integer).
The center of gravity projection motion track gross area in unit interval when assessment back support loss of weight stands still has reflected the stability and the balanced degree of health control center of gravity in the unit interval.Setting under the same period, the different rehabilitation training phase is being carried out front and back contrast, determining the training effect, numerical value is big more, and reflection stability and balance are poor more, as parkinson disease, and cerebellar ataxia etc.Center of gravity projection motion track gross area algorithm is in unit interval:
In the formula, X
i, Y
iBe each coordinate of gathering the position of the projection skew of center of gravity on pedal plate.I=0,1,2,3,4 ... N (i, N are integer); Tc is each time of gathering.
Frontal plane side slew rate in unit interval when assessment back support loss of weight stands still, the translational speed of center of gravity projection when being reflected in the maximum amplitude of oscillation on the X-direction, its value is big more, and it is poor more that the expression center of gravity is controlled.Relevant disease such as torsion spasm, chorea etc.Its computational methods are:
In the formula, S '
MaxBe the previous sampled value of the maximum amplitude of oscillation of frontal plane, T is the sampling time.
The computational methods of patient's good center of gravity percentage ratio of assessment in the training of back support loss of weight static equilibrium: when patient left and right sides bipod is exerted oneself symmetrically and evenly, if its center is normal center of gravity zero-bit, represent center of gravity all to drop on right crus of diaphragm to depart from normal center of gravity zero-bit+50%, represent center of gravity all to drop on left foot to depart from normal center of gravity zero-bit-50%, center of gravity drop in each zone of normal center of gravity zero-bit (± 5%, ± 5% to ± 10%, ± 10% to ± 20%, ± 20% to ± 30%) the computing formula of time ratio as follows:
In the formula, n3 be center of gravity from above-mentioned each value of normal center of gravity zero-bit (± 5%, ± 5% to ± 10%, ± 10% to ± 20%, ± 20% to ± 30%) number of times of swing in the scope in the zone, N counts for the interior collection of testing time of selection;
Center of gravity drops on from the value of normal center of gravity zero-bit ± 5% big more, shows that patient's states is good more, and ± 10% takes second place, ± 20% more take second place, ± take second place for 30% time.For example be controlled at after twice rehabilitation training of certain person patient ± 5% all be 20% with interior time ratio, and center of gravity is controlled at ± 10% increase with interior percentage of time, then can prove the effectiveness of rehabilitation training equally.
Claims (6)
1. a back support loss of weight static equilibrium is evaluated training system, it is characterized in that comprising:
The training bed, comprise base, bedstead and bed board, bedstead is installed on the base and with base is rotatable and links to each other, bed board is fixed on the bedstead, front end at bedstead is connected with left and right pedal assembly, be provided with the bed board angle adjusting mechanism between bedstead and base, this bed board angle adjusting mechanism comprises a linear stepping motor;
Control chamber is installed on the base, is provided with sensing device interface circuit, motor drive module and power module in the control chamber, and power module is respectively the sensing device interface circuit and motor drive module provides power supply; Motor drive module links to each other with the linear stepping motor signal of telecommunication in the bed board angle adjusting mechanism;
Main control computer, be arranged on the operating board, be provided with data acquisition module and motion-control module in the main control computer, data acquisition module links to each other with the sensing device interface circuit signal of telecommunication in the control chamber, and motion-control module links to each other with the motor drive module signal of telecommunication in the control chamber;
The patient uses display device, is movably arranged on the next door of training bed and links to each other with the main control computer signal of telecommunication;
Main display is arranged on the operating board and with the main control computer signal of telecommunication and links to each other.
2. back support loss of weight static equilibrium evaluation training system as claimed in claim 1, it is characterized in that: described left and right pedal modular construction symmetry is identical, respectively comprises pedal support, foot front end buffer, the heel axis of guide and pedal; Pedal support and bedstead are fixedly linked; The foot front end buffer and the heel axis of guide are connected between pedal and the pedal support; Be provided with the plantar pressure sensing device around the pedal, the plantar pressure sensing device links to each other with the sensing device interface circuit signal of telecommunication in the control chamber.
3. back support loss of weight static equilibrium evaluation training system as claimed in claim 2, it is characterized in that: described plantar pressure sensing device is made up of the cantilever beam that posts four foil gauges, and the cantilever beam that posts four foil gauges is inserted in the sole stressed member of being made up of pedal, pedal support, foot front end buffer and the heel axis of guide.
4. back support loss of weight static equilibrium evaluation training system as claimed in claim 1, it is characterized in that: described patient comprises travelling car, is installed in support on the travelling car and rack-mount display screen with display device, display screen and support flexibly connect, and the height of display screen and angle can be regulated.
5. back support loss of weight static equilibrium as claimed in claim 1 evaluation training system is characterized in that: on the base of described training bed a plurality of universal adjustment castors are installed, and correspondingly are provided with a plurality of flexible up and down governor motions of castor that are used to regulate.
6. back support loss of weight static equilibrium evaluation training system as claimed in claim 1, it is characterized in that: also comprise the bed board angular display unit, this bed board angular display unit is installed on the bedstead and moves with bedstead.
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| CN105476811A (en) * | 2015-12-28 | 2016-04-13 | 芜湖天人智能机械有限公司 | Lower limb flexion-extension training standing bed with standing posture reminding function |
| CN106264978A (en) * | 2012-11-13 | 2017-01-04 | 浩康股份公司 | Equipment for exercise therapy |
| CN106974803A (en) * | 2016-03-13 | 2017-07-25 | 中山市丰申电器有限公司 | A kind of Medical Devices |
| CN112473080A (en) * | 2020-11-06 | 2021-03-12 | 天津大学 | Multifunctional lower limb rehabilitation training bed |
| CN115645830A (en) * | 2022-12-05 | 2023-01-31 | 浙江易跑健康科技有限公司 | Inclination-adjustable elliptical machine and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106264978A (en) * | 2012-11-13 | 2017-01-04 | 浩康股份公司 | Equipment for exercise therapy |
| CN106264978B (en) * | 2012-11-13 | 2018-07-03 | 浩康股份公司 | For the equipment of exercise therapy |
| US10780009B2 (en) | 2012-11-13 | 2020-09-22 | Hocoma Ag | Apparatus for locomotion therapy |
| CN105476811A (en) * | 2015-12-28 | 2016-04-13 | 芜湖天人智能机械有限公司 | Lower limb flexion-extension training standing bed with standing posture reminding function |
| CN106974803A (en) * | 2016-03-13 | 2017-07-25 | 中山市丰申电器有限公司 | A kind of Medical Devices |
| CN106974803B (en) * | 2016-03-13 | 2019-08-09 | 孙永福 | A kind of Medical Devices |
| CN112473080A (en) * | 2020-11-06 | 2021-03-12 | 天津大学 | Multifunctional lower limb rehabilitation training bed |
| CN115645830A (en) * | 2022-12-05 | 2023-01-31 | 浙江易跑健康科技有限公司 | Inclination-adjustable elliptical machine and using method thereof |
| CN115645830B (en) * | 2022-12-05 | 2023-05-12 | 浙江易跑健康科技有限公司 | Elliptical machine with adjustable inclination and use method thereof |
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Application publication date: 20110427 |