CN201752447U - Foot drop therapeutic apparatus based on body position sensor technology - Google Patents
Foot drop therapeutic apparatus based on body position sensor technology Download PDFInfo
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- CN201752447U CN201752447U CN2010202663641U CN201020266364U CN201752447U CN 201752447 U CN201752447 U CN 201752447U CN 2010202663641 U CN2010202663641 U CN 2010202663641U CN 201020266364 U CN201020266364 U CN 201020266364U CN 201752447 U CN201752447 U CN 201752447U
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Abstract
The utility model discloses a foot drop therapeutic apparatus based on body position sensor technology, which comprises a tilt sensor, a stimulation circuit, a power supply and a processing unit; wherein, the processing unit is used for receiving and processing a sensor signal from the tilt sensor, converting the sensor signal into the value corresponding to the leg tilt angle, also comparing the value with the preset tilt angle on-off threshold, and switching on or switching off the electric pulse stimulation signal when the measured value reaches the switch-on threshold or is lower than the switch-off threshold; the units and devices are fixedly mounted on a strap capable of being bundled on leg. The foot drop therapeutic apparatus based on body position sensor technology is not limited by locations and environments, and can be used in any place. The therapeutic apparatus adopts the logic arithmetic unit for computation, compares the actual stimulation effect with the optimum mode to optimize the parameters for the stimulation control circuit, and accordingly realizes the optimum therapeutic effect. Besides, the therapeutic apparatus based on body position sensor technology has simple structure, is convenient for production, has low cost and is suitable for the wide popularization in foot drop therapeutic field.
Description
Technical field
This utility model relates to a kind of drop foot therapeutic instrument, relates in particular to a kind of drop foot therapeutic instrument based on the position sensing technology.
Background technology
Many patients cause nerve conduction retardance to occur and cause drop foot after suffering from apoplexy or other disease.It is one of the most general dysfunction in shank position that drop foot makes patient's drop foot.In this case, patient can not be normally by the crooked ankle of muscle joint, foot can not be lifted away from ground when swinging kick or walking, but drags on the ground, making walking that difficulty take place and falling easily and jeopardize the patient.Use the method for galvanism muscle just being it is believed that the patient that can help nerve or muscle dysfunction effectively contracts muscles or makes a response many years ago.Utilize functional electrical stimulation can recover the central nervous system injury that causes by reasons such as apoplexy, spinal cord injury and method that body functions such as the walking that causes, grasping are lost wholly or in part.Therefore, manual or the stimulation arm of automatic control switch or the device of leg muscle have appearred having.Though invented the non-portable stimulation instrument that has the complex calculation system, because restriction such as volume, weight, complicated operation degree and can't be applied to general patient.So a kind of drop foot therapeutic instrument is badly in need of being developed.
Summary of the invention
This utility model is at the proposition of above problem, and develops a kind of drop foot therapeutic instrument based on the position sensing technology.The technical scheme that this utility model adopted is as follows:
A kind of drop foot therapeutic instrument based on the position sensing technology is characterized in that comprising:
Inclination sensor is used to measure the shank angle of inclination;
Processing unit, be used for to receive and to handle the transducing signal that inclination sensor is passed back, be converted to the value corresponding with the shank angle of inclination, and itself and the angle of inclination switching threshold of presetting can be compared, reach at measured value and to open threshold value or be lower than when closing threshold value, open or close the electric pulse stimulation signal;
Stimulation circuit is used to receive the unlatching that processing unit sends over or closes the electric pulse stimulation signal, to send or to close stimulating current to stimulating electrode;
Supply unit is connected with above-mentioned each unit, and it provides power supply for therapeutic instrument;
Described inclination sensor is connected with handling the unit, and described processing unit is connected with stimulation circuit and sends unlatching or close the electric pulse stimulation signal to it, and stimulating electrode is connected with stimulation circuit; Above-mentioned each cell arrangement is fixedly mounted on the band that can be installed on shank.
Also comprise setup unit, be used to set new angle of inclination switching threshold, running time threshold value and stimulation circuit produce the size of stimulating current, described setup unit is connected with handling the unit; And external tapping connects with the outer computer terminal.
Be equipped with on the described band and be used to make stimulating electrode accurately to be positioned the positioner of people's shank particular stimulation position.Described inclination sensor is an acceleration transducer.
Compare with prior art, the advantage based on the drop foot therapeutic instrument of position sensing technology that this utility model provides is conspicuous, user can not used by place and environmental limit can in any place, and for the effect user that improves physical therapy can be following assisting of doctor or other instruments, obtain better to be provided with angle switch threshold value and the isoparametric data of time threshold, define an energy stimulates shank in optimal mode pattern.By the computing of logical-arithmetic unit, the method that can compare by the pattern that actual effect that instrument is stimulated and top obtain is optimized the parameter that boost control circuit uses, thereby reaches the physical therapy result of the best.In addition, this utility model also has simple in structure, be convenient to produce, and with low cost being suitable for is extensively promoted in drop foot treatment field.
Description of drawings
Fig. 1 is a circuit structure block diagram of the present utility model;
Fig. 2 is a Facad structure sketch map of the present utility model;
Fig. 3 is a plan structure sketch map of the present utility model;
Fig. 4 is this utility model result of use figure.
Among the figure: 1 inclination sensor, 2 processing units, 3 setup units, 4 stimulation circuits, 5 stimulating electrodes, 6 amplification filtering circuit, 7 transformators, 8 batteries, 10 parameter setting buttons, 11 stimulating currents are adjusted button, 12 bands, 13 external tappings.
The specific embodiment
As Fig. 1, Fig. 2 and the drop foot therapeutic instrument based on the position sensing technology shown in Figure 3, comprise inclination sensor 1, be used to measure the shank angle of inclination; Processing unit 2, be used for to receive and to handle the transducing signal that inclination sensor 1 is passed back, be converted to the value corresponding with the shank angle of inclination, and itself and the angle of inclination switching threshold of presetting can be compared, reach at measured value and to open threshold value or be lower than when closing threshold value, open or close the electric pulse stimulation signal; Stimulation circuit 4 is used to receive the unlatching that processing unit sends over or closes the electric pulse stimulation signal, to send or to close stimulating current to stimulating electrode 5; Supply unit is connected with above-mentioned each unit, and it provides power supply for therapeutic instrument; Above-mentioned each cell arrangement is fixedly mounted on the band 12 that can be installed on shank, setup unit 3, be used to set this therapeutic instrument new angle of inclination switching threshold, running time threshold value and stimulation circuit produce the size of stimulating current, this therapeutic instrument is adjusted new angle of inclination switching threshold, the isoparametric setting of threshold value running time by parameter setting button 10 as shown in Figure 2, and stimulating current is adjusted button 11 and is used to adjust the size that stimulation circuit produces stimulating current.And external tapping 13 connects communication with the outer computer terminal.In addition, be equipped with on the band 12 and be used to make stimulating electrode 5 accurately to be positioned the positioner of people's shank particular stimulation position.
Wherein band 12 is made for a kind of material scalable, good permeability, can the sticking iron chain of nylon thorn be arranged at band 12 ends for easy to use, so that band (is being looked as Fig. 4) around being fixed on the lower limb below the knee.Described positioner is one and closely is fixed in metallic plate on the band along band 12 longitudinal axis, metallic plate axis vertically is thinner, so that herein with the front side of metallic plate bending correspondence at tibia, metallic plate vertically can have symmetrical outthrust in the tibia both sides, is used to prevent the relative tibia move left and right of metallic plate.In a single day metallic plate by above-mentioned by bending, can be positioned on the tibia each time, is exactly to make stimulating electrode can both aim at people's shank particular stimulation position accurately so at every turn.Inclination sensor 1 can be the liquid-type inclination sensor, also can be acceleration sensor, can produce the virtual induced signal of different voltages according to itself and the angle of gravity direction, handle through being transferred in the processing unit 2 after 6 processing of amplification filtering circuit, the induced signal magnitude of voltage of actual measurement and the unlatching threshold value of angle of inclination switch are compared, when measured value when opening threshold value, activate stimulation circuit 4, make it to stimulating electrode 5 energisings; Simultaneously processing unit 2 also compares the induced signal magnitude of voltage of actual measurement and the threshold value of closing of angle of inclination switch, when measured value when closing threshold value, close stimulation circuit 4.Wherein the voltage that battery 8 provided by transformator 7 of the power supply of stimulation circuit 4 carries out treatment and supplied.This therapeutic instrument can also contain and connect the socket that computer is used, so that signal is passed to computer from logic circuit, does not look in the datagram by computer adjustment potentiometer and induction apparatus.
Stretchable band can provide good fixation, and is easy to installation and removal.Inclination inducing system can send signal accurately, no matter user is fat or thin, wears footwear or barefoot during walking, and speed is fast or slow, and whether which kind of material ground is, tilt.Compare with footswitch, inclination inducing system is subjected to the influence of symptoms such as spasm, ankle cramp littler.This therapeutic instrument can be made the stimulation of lower limb can be opened or stop accurately the position of lower limb by meticulous monitoring continuously by the combination of inclination inducing system and control device.Can will stimulate position to associate closely with lower limb.This instrument can send the induced signal of successive control switch, is not subjected to the influence of the speed of travel.
The above; it only is the preferable specific embodiment of this utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that this utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection domain of the present utility model.
Claims (4)
1. drop foot therapeutic instrument based on the position sensing technology is characterized in that comprising:
Inclination sensor is used to measure the shank angle of inclination;
Processing unit, be used for to receive and to handle the transducing signal that inclination sensor is passed back, be converted to the value corresponding with the shank angle of inclination, and itself and the angle of inclination switching threshold of presetting can be compared, reach at measured value and to open threshold value or be lower than when closing threshold value, open or close the electric pulse stimulation signal;
Stimulation circuit is used to receive the unlatching that processing unit sends over or closes the electric pulse stimulation signal, to send or to close stimulating current to stimulating electrode;
Supply unit is connected with above-mentioned each unit, and it provides power supply for therapeutic instrument;
Described inclination sensor is connected with handling the unit, and described processing unit is connected with stimulation circuit and sends unlatching or close the electric pulse stimulation signal to it, and stimulating electrode is connected with stimulation circuit; Above-mentioned each cell arrangement is fixedly mounted on the band that can be installed on shank.
2. therapeutic instrument according to claim 1 is characterized in that also comprising setup unit, be used to set new angle of inclination switching threshold, running time threshold value and stimulation circuit produce the size of stimulating current, described setup unit is connected with handling the unit; And external tapping connects with the outer computer terminal.
3. therapeutic instrument according to claim 1 is characterized in that being equipped with on the described band and is used to make stimulating electrode accurately to be positioned the positioner of people's shank particular stimulation position.
4. according to claim 1,2 or 3 described therapeutic instruments, it is characterized in that described inclination sensor is an acceleration transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202663641U CN201752447U (en) | 2010-03-30 | 2010-07-12 | Foot drop therapeutic apparatus based on body position sensor technology |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020150211 | 2010-03-30 | ||
| CN201020150211.0 | 2010-03-30 | ||
| CN2010202663641U CN201752447U (en) | 2010-03-30 | 2010-07-12 | Foot drop therapeutic apparatus based on body position sensor technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201752447U true CN201752447U (en) | 2011-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202663641U Expired - Fee Related CN201752447U (en) | 2010-03-30 | 2010-07-12 | Foot drop therapeutic apparatus based on body position sensor technology |
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| Country | Link |
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| CN (1) | CN201752447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015587A1 (en) * | 2012-07-24 | 2014-01-30 | 杭州共远科技有限公司 | Rehabilitation apparatus using functional nerve stimulation |
-
2010
- 2010-07-12 CN CN2010202663641U patent/CN201752447U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015587A1 (en) * | 2012-07-24 | 2014-01-30 | 杭州共远科技有限公司 | Rehabilitation apparatus using functional nerve stimulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110302 Termination date: 20130712 |