CN2930748Y - Signal type functional electric stimulation therapeutic equipment - Google Patents
Signal type functional electric stimulation therapeutic equipment Download PDFInfo
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- CN2930748Y CN2930748Y CNU2006200399489U CN200620039948U CN2930748Y CN 2930748 Y CN2930748 Y CN 2930748Y CN U2006200399489 U CNU2006200399489 U CN U2006200399489U CN 200620039948 U CN200620039948 U CN 200620039948U CN 2930748 Y CN2930748 Y CN 2930748Y
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Abstract
The utility model belonging to medical appliance field relates in particular to a signal type functional electrostimulation therapeutic apparatus, which is made through the combination of a power supply circuit 1, an adjustable frequency generating circuit 2, a pulse width adjusting circuit 3, a pulse modulation circuit 4, a power amplifying and pulse output circuit 5, a control unit 6 and a cue signal generator 7, wherein, the control unit 6 preestablishes DC or AC mode, pulse frequency, pulse width and current strength of output electrical pulsing signal and controls the output of the cue signal and electrostimulation pulse. With the advantages of low cost, safe use and easily grasped therapeutic mode, the therapeutic apparatus can be used to cure and recover I degree to III degree feeble myodynamia caused by hemiplegia after apoplexy or by other diseases and solves the problems of poor muscle training effect of homemade therapeutic apparatus and high price of import therapeutic apparatus.
Description
Technical field
This utility model belongs to medical instruments field, relates to initiatively participating in being specifically related to a kind of signal formula functional electric stimulation therapeutic instrument in conjunction with the electric pulse stimulation treatment technology.
Background technology
Electric stimulation therapeutic apparatus is often adopted in the treatment of clinical patients with cerebral apoplexy.Present medical electric stimulation therapeutic apparatus is broadly divided into two types, i.e. passive-type and initiatively participate in conjunction type.The characteristics of the electric pulse stimulation therapeutic instrument that domestic enterprise produces are cheap, and are easy to use, are fit to vast town and country rural medical treatment mechanism simultaneously, even the ability to shoulder economically of average family, and very popular.Yet they belong to the electric stimulation therapeutic apparatus of passive-type basically together.The electric stimulation therapeutic apparatus of passive-type, in treatment during patients with cerebral apoplexy, unsatisfactory curative effect or because maincenter imbalance control causes the spasm of Antagonistic muscle simultaneously, causes the failure of training.From the biofeedback type electric stimulation therapeutic apparatus of external introduction, belong to and initiatively participate in a kind of in conjunction with electric stimulation therapeutic apparatus.It initiatively shrinks when training patients with cerebral apoplexy being carried out muscle, uses and initiatively trains weak muscle strength, causes the full contraction of muscle, and the drive joint motion is finished the functional activity in joint.But the price of above-mentioned biofeedback type therapeutic instrument is very expensive, and one with domestic national conditions, most of basic medical units and patient are difficult to buy configuration up to 4～50,000 yuan, and each medical expense also embarrasses most patient to bear.
Summary of the invention
The purpose of this utility model provides a kind of novel signal formula functional electric stimulation therapeutic instrument.This utility model can be in order to treat and to recover I level～III level weak muscle strength that post-stroke hemiplegia and other reasons cause.It is undesirable and overcome the defective that import biofeedback type therapeutic instrument costs an arm and a leg etc. to have solved homemade passive-type therapeutic instrument effect in muscular training.
This therapeutic instrument is by power circuit 1, adjustable frequency generation circuit 2, and pulse width adjustable circuit 3, pulse modulated circuit 4, power amplification and impulse output circuit 5, control unit 6 and 7 combinations of cue generator are made.Wherein, power circuit (1) is connected with each circuit respectively, for it provides power supply; Adjustable frequency generation circuit (2) is connected with pulse modulated circuit (4) respectively with pulse width adjustable circuit (3); Pulse modulated circuit (4) is connected with impulse output circuit (5) with power amplification; Control unit (6) connects respectively and regulates and control adjustable frequency generation circuit (2), pulse width adjustable circuit (3), pulse modulated circuit (4), power amplification and impulse output circuit (5) and cue generator (7).
Described power circuit 1 is that the alternating current or the unidirectional current of outside input are converted to the required dc source of each circuit of device; Described adjustable frequency generation circuit 2 under the setting of control unit 6, produces the frequency signal of 15Hz～150Hz; Described pulse width adjustable circuit 3 under the setting of control unit 6, is realized the adjusting of 0.06 millisecond～0.6 millisecond of final output pulse width; Pulse modulated circuit 4 is finished the modulation to the output pulse, and can be once-through type or AC type by control unit 6 selection output pulses; Described power amplification and impulse output circuit 5 carry out power amplification to the pulse that above-mentioned pulse modulated circuit 4 modulates, and export pulse under the controls of control unit 6, and output pulse current size also can be set in advance by control unit 6; The control core that described control unit 6 is these therapeutic instruments, to the direct current of the output electric pulse signal of this therapeutic instrument, exchange and select, pulse frequency, pulse width and/or current intensity preestablish, the output of control cue and the output of electric stimulation pulse; Described cue generator 7 is speech synthesizers, or the flash signal device, and its effect is equivalent to propose to the patient: " be ready to---please begin firmly! "
The electric elements that this utility model adopted are the conventional specification in commercial this area.
This therapeutic instrument is used voice (sound) and flash lamp (optical signal) prompting patient no matter audition difference or weak-eyed, even two inequality, and signal is instructed in conduct simultaneously.Initiatively training combines with electricity irritation, causes the full contraction of muscle, drives joint motion, finishes the functional activity in joint.This instrument cost is cheap, and is safe in utilization, and Therapeutic Method is grasped easily, is a kind of novel therapeutic instrument that is fit to China's national situation.Its price is 1/40～1/50 of an import biofeedback type therapeutic instrument.
Description of drawings
Accompanying drawing 1 is the block diagram of this therapeutic instrument.
Accompanying drawing 2 is the work process that pre-set before this therapeutic instrument starts.
3 in accompanying drawing is the workflow of therapeutic instrument.
The specific embodiment
Embodiment 1
The utility model will be further described according to above-mentioned accompanying drawing.
This therapeutic instrument is by power circuit 1, adjustable frequency generation circuit 2, and pulse width adjustable circuit 3, pulse modulated circuit 4, power amplification and impulse output circuit 5, control unit 6 and cue generator 7 combine.The electric elements that adopted are the conventional specification in commercial this area.Described power circuit 1 converts the alternating current or the unidirectional current of outside input to each circuit of device required dc source; Adjustable frequency generation circuit 2 produces the frequency signal of 15Hz～150Hz under the setting of control unit 6; Pulse width adjustable circuit 3 is realized the adjusting of 0.06 millisecond～0.6 millisecond of final output pulse width under the setting of control unit 6; Pulse modulated circuit 4 is finished the modulation to the output pulse, and to select the output pulses by control unit 6 be once-through type or AC type; Power amplification is carried out in the pulse that power amplification and impulse output circuit 5 paired pulses modulation circuits 4 modulate, and exports pulse under the control of control unit 6, and the big I of output pulse current is set in advance by control unit 6; Control unit 6 is control cores of the present utility model, and its direct current to device output electric pulse signal, interchange are selected, pulse frequency, and pulse width, the output of cue and the output of electric stimulation pulse are being controlled in preestablishing of current intensity; The cue generator is speech synthesizer or flash signal device, and its effect is equivalent to propose to the patient: " be ready to---please begin firmly! "
When this therapeutic instrument used, (referring to accompanying drawing 2) according to patient's practical situation, by control unit 6, done the selection in following several steps and presetted work earlier after connecting external power: the first step is provided with the action frequency 30～50 times of training at the enumerator of control unit 6; In second step, 4 time period T in each action cycle are set
1, T
2, T
3, T
4, wherein, T
1Being the output time section of cue, is voice generators if the cue generator is selected for use, and the patient can hear: " be ready to, please begin firmly! " prompting, if patient's audition is relatively poor, vision still can, cue generator 7 can be the light generator of flash-mode, no matter is the flash signal or the acquisition of voice signal, the patient all should be read as: " be ready to, please begin firmly! " signal prompt, described T
1Generally be set at 2.5 seconds～4 seconds; T
2Be (the muscle initiatively shrinks) time period of after the patient intercepts and captures cue, reacting, react speed according to the patient and decide, generally got 0.5 second～2 seconds; T
3Be the time period of electric stimulation pulse signal output, the length of setting was generally got 2 seconds～4 seconds to guarantee the standard that is punctured into entirely of muscle; T
4Be to loosen the time of having a rest section, decide, be generally T 15 seconds～25 seconds according to patient's physical situation
4Enter cycle period next time after the end again, the enumerator in the control unit subtracts 1 simultaneously; In the 3rd step, selecting output by control unit 6 is alternating-current pulse or DC pulse; The 4th step, connect pulse output electrode to the patient, the frequency of suitable electric stimulation pulse is selected in test, the intensity of pulse width and pulse current, described frequency is slowly regulated to 150Hz by the 15Hz low frequency, pulse width by 0.06 millisecond progressively to 0.6 millisecond of adjusting, current intensity is ascending until suitably being advisable, EOT returns the Test Switchboard of control unit and puts duty.
After having finished above selection and having preset work, begin treatment instrument and patient carry out interactively active training.
Embodiment 2
In conjunction with the accompanying drawings 3, further describe the workflow of this therapeutic instrument.
At first the conductive electrode plate is placed training muscle place (by diagram), inform that patient treatment will begin, press start button then, this therapeutic instrument enters duty.Time-delay T
0After 3 seconds, the cue generator sends voice suggestion: " be ready to, please begin firmly! ", T
1About 3 seconds of time, then enter the electric stimulation pulse output time, T
3Be about 3 seconds, the patient causes the full contraction of muscle under the help of electric stimulation pulse, drive joint motion, has finished the functional activity in a joint.T
3Finish therapeutic instrument and turn-off pulse output, enter and loosen the time of having a rest, T
4About 20 seconds.Finish T
4After having finished first cycle period, enumerator deducts 1, saves two again, saves three circulations, makes zero until enumerator, and therapeutic instrument quits work.Stop button can be pressed if necessary in the way at work, makes therapeutic instrument stop output, waits for once more starting.
This therapeutic instrument is with low cost, and is safe in utilization, and therapeutic modality is grasped easily, and through on probation, effect is preferable, is a kind of novel therapeutic instrument that is fit to China's national situation.
Claims (5)
1, signal formula functional electric stimulation therapeutic instrument, it is characterized in that by power circuit (1), adjustable frequency generation circuit (2), pulse width adjustable circuit (3), pulse modulated circuit (4), power amplification and impulse output circuit (5), control unit (6) and cue generator (7) combination are made, wherein, power circuit (1) is connected with each circuit respectively, for it provides power supply; Adjustable frequency generation circuit (2) is connected with pulse modulated circuit (4) respectively with pulse width adjustable circuit (3); Pulse modulated circuit (4) is connected with impulse output circuit (5) with power amplification; Control unit (6) connects respectively and regulates and control adjustable frequency generation circuit (2), pulse width adjustable circuit (3), pulse modulated circuit (4), power amplification and impulse output circuit (5) and cue generator (7).
2,, it is characterized in that the frequency signal scope that described adjustable frequency generation circuit (2) produces is 15Hz～150Hz by the described signal formula of claim 1 functional electric stimulation therapeutic instrument.
3,, it is characterized in that the final output pulse width scope that described pulse width adjustable circuit (3) is regulated is 0.06 millisecond～0.6 millisecond by the described signal formula of claim 1 functional electric stimulation therapeutic instrument.
4, by the described signal formula of claim 1 functional electric stimulation therapeutic instrument, it is characterized in that the synthetic output pulse of described pulse modulated circuit (4) is once-through type or AC type.
5, by the described signal formula of claim 4 functional electric stimulation therapeutic instrument, it is characterized in that described output pulse current size is set in advance by control unit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200399489U CN2930748Y (en) | 2006-03-06 | 2006-03-06 | Signal type functional electric stimulation therapeutic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200399489U CN2930748Y (en) | 2006-03-06 | 2006-03-06 | Signal type functional electric stimulation therapeutic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2930748Y true CN2930748Y (en) | 2007-08-08 |
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ID=38347250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200399489U Expired - Fee Related CN2930748Y (en) | 2006-03-06 | 2006-03-06 | Signal type functional electric stimulation therapeutic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2930748Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102475942A (en) * | 2010-11-29 | 2012-05-30 | 复旦大学附属华山医院 | Electrical stimulation control hand shank |
-
2006
- 2006-03-06 CN CNU2006200399489U patent/CN2930748Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102475942A (en) * | 2010-11-29 | 2012-05-30 | 复旦大学附属华山医院 | Electrical stimulation control hand shank |
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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: 20070808 Termination date: 20110306 |