CN202397981U - Low-frequency electromagnetic field osteoporosis treatment couch - Google Patents
Low-frequency electromagnetic field osteoporosis treatment couch Download PDFInfo
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- CN202397981U CN202397981U CN2011205285860U CN201120528586U CN202397981U CN 202397981 U CN202397981 U CN 202397981U CN 2011205285860 U CN2011205285860 U CN 2011205285860U CN 201120528586 U CN201120528586 U CN 201120528586U CN 202397981 U CN202397981 U CN 202397981U
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Abstract
The utility model relates to a low-frequency electromagnetic field osteoporosis treatment couch which can achieve control of multiple parameters such as magnetic induction, magnetic field frequency and magnetic type. The low-frequency electromagnetic field osteoporosis treatment couch comprises a couch body, wherein magnetic field coils are arranged on four sides of the couch body; a magnetic field debugging circuit is connected with the magnetic field coils; the low-frequency electromagnetic field osteoporosis treatment couch further comprises a control unit and a signal conversion unit; a control signal output end of the control unit is connected with a control signal input end of the signal conversion unit; a control signal output end of the signal conversion unit is connected with an input end of the magnetic field debugging circuit; and an output end of the magnetic debugging circuit is connected with the magnetic field coils. With the adoption of the low-frequency electromagnetic field osteoporosis treatment couch, the best magnetic field treatment parameter is selected to perform individual specific treatment according to individual situation of the patient, the magnetic induction and magnetic field frequency of the treatment magnetic field can be accurately regulated, and osteoporosis patients can be effectively treated or prophylactic treatment is performed on patients needing lying in bed at long period after fracture surgery.
Description
Technical field
This utility model belongs to medical magnetic therapy technical field, relates to a kind of low frequency electromagnetic field osteoporosis therapy bed of realizing multi parameters control such as magnetic induction, field frequency and magnetic field type.
Background technology
Along with the aging day by day of Chinese people mouth structure, osteoporotic sickness rate is increasingly high, has become a kind of serious threat middle-aged and elderly people healthy commonly encountered diseases and frequently-occurring disease.The modal symptom of osteoporosis is an osteodynia, and severest consequences are fracture, and the healing rate of this fracture is slow, and complication is many, and wherein, Hip Fracture can cause 1/5 people dead in 1 year.Prevention and treatment of osteoporosis is main with medicine at present, but not only price is high such as medicines such as diphosphonate, calcitonin, estrogen and fluorides, and side effect is big.In recent years, osteoporotic naturopathy research is in the ascendant, and at the beginning of the sixties in last century, the low frequency variable electromagnetic field therapy apparatus has appearred in China, has developed the rotation magnetic field therapy apparatus afterwards again, and pulsed electromagnetic field therapy bed again occurred on the market eighties.Hold the large-scale therapeutic equipment that body treats with solenoid coil over nearly more than 20 years and obtain tremendous development, widened the scope of magnetic therapy again greatly.Existing multiple therapeutic bed product or patent stimulate appearance (number of patent application 200910127518.0) etc. like mechanical vibration osteoporosis therapy bed (number of patent application 200420002429.6), magnetic suspension vibrating osteoporosis therapy bed, pulse electromagnetic field osteoporosis therapy bed, intelligent man-day's light bath lamp osteoporosis therapy bed and magnetic suspension vibrations bone amount.
Yet; According to our discovering, have only magnetic field under the special parameter condition just can bring into play the effect of best promotion union of fracture, leave this parameter condition then curative effect obviously descend or do not have obvious curative effects; Tissue exists a kind of " window effect " for the treatment in magnetic field; Promptly have an optimal treatment parameter, it is far away more to leave this optimal parameter, and then curative effect is not obvious more.Existing electromagnetic field osteoporosis therapy bed adopts impulse wave more, and frequency that waveform is single and the different manufacturers product is adopted and magnetic induction parameter also often have very big difference, and the setting of parameter lacks effective experimental basis.
The utility model content
The purpose of this utility model is to overcome the problem that prior art exists, and a kind of low frequency electromagnetic field osteoporosis therapy bed of realizing multi parameters control such as magnetic induction, field frequency and magnetic field type is provided.
For this reason, this utility model adopts following technical scheme:
A kind of low frequency electromagnetic field osteoporosis therapy bed; Comprise a body, said bed is provided with field coil in external week, and said field coil is connected with the magnetic field debug circuit; This low frequency electromagnetic field osteoporosis therapy bed also comprises control unit and signal conversion unit; The control signal output ends of said control unit connects the control signal input of signal conversion unit, and the control signal output ends of signal conversion unit connects the input of magnetic field debug circuit, and the outfan of magnetic field debug circuit connects field coil.Said signal conversion unit is accepted from the digital signal of control unit and is transferred to magnetic field after being converted into analogue signal to produce circuit.
Said field coil is in series by three groups of coils, and the number of turn of middle one group of coil is more than the coil of both sides.
Be provided with the magnetic induction pick off in the said field coil; Field coil is connected with current sensor and voltage sensor; Said magnetic induction pick off, current sensor and voltage sensor are connected with the feedback signal input of signal conversion unit respectively, and the feedback signal outfan of said signal conversion unit is connected with the feedback signal input of control unit.
The bottom of said field coil is provided with pedestal, and this pedestal is installed in and is arranged on the guide rail of body both sides.
Said bed body bottom is provided with the transmission push rod, and said transmission push rod is connected with pedestal.
Said control unit comprises a man machine operation interface, and said man machine operation interface comprises that magnetic induction is regulated dialog box, frequency selects dialog box, waveform to select dialog box, waveform signal interface and time that dialog box is set.
Said control unit is provided with the backstage database of record of store patient medical history record.
We are through discovering; Osteodynia can be obviously alleviated even cured in magnetic fields such as successive sine wave, triangular wave, square wave or sawtooth waveforms in the low-frequency range; And can significantly improve bone density; Prevent osteoporotic fracture, in addition, finding the best (or responsive) magnetic field parameter of every kind of tissue or every kind of disease is the key that improves the magnetic therapy curative effect.Here said magnetic field parameter mainly refers between magnetic induction, field frequency, field waveform, magnetic storm time, magnetic storm direction etc., and the comparison of pulsed magnetic field, alternating magnetic field and electromagnetostatic field and selection etc.
To sum up; The beneficial effect of the low frequency electromagnetic field osteoporosis therapy bed that this utility model provides is: can set the optimum magnetic field parameter to carry out magnetic field treatment according to patient's individual instances; Not preset fixed magnetic field parameter can be looked patient's practical situation and implement the treatment of individuation specific aim; The magnetic induction and the field frequency accurate and adjustable in treatment magnetic field, and multiple magnetic field type and field waveform can be provided; The field coil intrinsic inductance is even, has guaranteed optimum therapeuticing effect.
Osteoporotic position such as vertebra, femur and forearm etc. can take place to human body and implement treatment in low frequency electromagnetic field osteoporosis therapy bed that this utility model provides easily; Also can implement prophylactic treatment, to avoid taking place disuse osteoporosis to needing the patient of long-term bed behind the fracture operation.
Description of drawings
Fig. 1 is the fundamental diagram of this utility model low frequency electromagnetic field osteoporosis therapy bed;
Fig. 2 is the structural representation of this utility model low frequency electromagnetic field osteoporosis therapy bed;
Fig. 3 is the main circuit schematic diagram of this utility model magnetic field debug circuit;
Fig. 4 is the control circuit schematic diagram of this utility model magnetic field debug circuit;
Fig. 5 be among the embodiment in the field coil vertically-the magnetic induction scattergram of 200mm～200mm;
Fig. 6 be among the embodiment in the field coil vertically-the uniformity of magnetic field scattergram of 200mm～200mm.
The specific embodiment
Shown in Fig. 1～2; A kind of low frequency electromagnetic field osteoporosis therapy bed comprises a body 1, and bed body 1 periphery is provided with field coil 2; Field coil 2 is connected with the magnetic field debug circuit; This low frequency electromagnetic field osteoporosis therapy bed also comprises control unit and signal conversion unit, and wherein, the control signal output ends of control unit connects the control signal input of signal conversion unit; The control signal output ends of signal conversion unit connects the input of magnetic field debug circuit, and the outfan of magnetic field debug circuit connects field coil 2.Field coil 2 is in series by three groups of coils, and the number of turn of middle one group of coil is more than the coil of both sides.Be provided with the magnetic induction pick off in the field coil 2; Field coil 2 is connected with current sensor and voltage sensor; Magnetic induction pick off, current sensor and voltage sensor are connected with the feedback signal input of signal conversion unit respectively, and the feedback signal outfan of signal conversion unit is connected with the feedback signal input of control unit.The bottom of field coil 2 is provided with pedestal 3, and this pedestal 3 is installed on the guide rail 4 that is arranged at a body 1 both sides; The bottom of bed body 1 is provided with transmission push rod 5, and transmission push rod 5 is connected with pedestal 3, utilizes transmission push rod 5 can promote guide rail 4 slips of field coil 2 along bed body 1 both sides easily.Control unit also comprises a man machine operation interface, and man machine operation interface comprises that magnetic induction is regulated dialog box, frequency selects dialog box, waveform to select dialog box, waveform signal interface and time that dialog box is set; Control unit also is provided with the backstage database of record of store patient medical history record.
The magnetic field debug circuit comprises main circuit and control circuit; Shown in Fig. 3～4; Main circuit is made up of two groups of placed in-line full H bridge circuits, is specially a H bridge circuit and the 2nd H bridge circuit, wherein; The one H bridge circuit comprises a power module that is made up of transformator B1 and power amplifier module T11, T21, T31, T41, and the 2nd H bridge circuit comprises a power module that is made up of transformator B2 and power amplifier module T12, T22, T32, T42; Be provided with mode enable switch US1, US2 between power module and the power amplifier module, be used for the switching of pulsed operation and continuous wave work; Control circuit comprises the driver module that is used for the driving power amplification module; This driver module is made up of multi-channel PWM generator and multichannel IGBT driver; PWM generator can produce multiplex pulse; The IGBT driver is amplified the pulse that PWM generator produces, and produces multi-channel drive signal then and removes to drive each power amplifier module respectively.
The available magnetic field type of this utility model is alternating magnetic field, pulsed magnetic field or magnetostatic field, and the waveform that provides is sine wave, triangular wave, square wave or sawtooth waveforms, and the magnetic induction in the magnetic field that provides is 0 ~ 9mT, and field frequency is 5 ~ 100Hz.
In the present embodiment, the field coil longitudinal length is 78cm, and internal diameter is 72cm, can hold human body easily and lie low in field coil 2, and the therapeutic domain of human body is comprised that osteoporotic position takes place the most easily for these three on hip, waist and forearm.Shown in Fig. 5～6 (the initial point position is the field coil central point among the figure); In the scope internal therapy magnetic field of field coil 2 center 20cm * 20cm * 20cm is to be close to uniformly; The decline of magnetic induction or to raise also be slowly outside this scope, and axially ± the magnetic induction uniformity＜1% in the 20cm scope.
During work; Set required magnetic field parameter through man machine operation interface; Control unit is given signal conversion unit with this set information with digital data transmission; Be transferred to the magnetic field debug circuit after converting this digital signal into analogue signal by signal conversion unit, the magnetic field debug circuit amplifies analogue signal and in view of the above field coil 2 is applied certain voltage, produces specific electromagnetic field by field coil 2; The magnetic induction signal in the magnetic field of electric current on the field coil 2 and voltage signal and generation thereof is after over-current sensor, voltage sensor and magnetic induction sensor acquisition; Transfer to signal conversion unit, this signal feeds back to control unit and carries out visualization display by man machine operation interface after being converted into digital signal.
Claims (7)
1. low frequency electromagnetic field osteoporosis therapy bed; Comprise a body (1); Said bed body (1) periphery is provided with field coil (2), and said field coil (2) is connected with the magnetic field debug circuit, it is characterized in that; Also comprise control unit and signal conversion unit; The control signal output ends of said control unit connects the control signal input of signal conversion unit, and the control signal output ends of signal conversion unit connects the input of magnetic field debug circuit, and the outfan of magnetic field debug circuit connects field coil (2).
2. a kind of low frequency electromagnetic field osteoporosis therapy bed according to claim 1 is characterized in that said field coil (2) is in series by three groups of coils, and the number of turn of middle one group of coil is more than the coil of both sides.
3. a kind of low frequency electromagnetic field osteoporosis therapy bed according to claim 1; It is characterized in that; Said field coil is provided with the magnetic induction pick off in (2); Field coil (2) is connected with current sensor and voltage sensor, and said magnetic induction pick off, current sensor and voltage sensor are connected with the feedback signal input of signal conversion unit respectively, and the feedback signal outfan of said signal conversion unit is connected with the feedback signal input of control unit.
4. a kind of low frequency electromagnetic field osteoporosis therapy bed according to claim 1 is characterized in that the bottom of said field coil (2) is provided with pedestal (3), and this pedestal (3) is installed on the guide rail (4) that is arranged at a body (1) both sides.
5. low frequency electromagnetic field osteoporosis therapy bed according to claim 4 is characterized in that, the bottom of said bed body (1) is provided with transmission push rod (5), and said transmission push rod (5) is connected with pedestal (3).
6. according to described any one low frequency electromagnetic field osteoporosis therapy bed of claim 1～5; It is characterized in that; Said control unit comprises a man machine operation interface, and said man machine operation interface comprises that magnetic induction is regulated dialog box, frequency selects dialog box, waveform to select dialog box, waveform signal interface and time that dialog box is set.
7. according to described any one low frequency electromagnetic field osteoporosis therapy bed of claim 1～5, it is characterized in that said control unit is provided with the backstage database of record of store patient medical history record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205285860U CN202397981U (en) | 2011-12-16 | 2011-12-16 | Low-frequency electromagnetic field osteoporosis treatment couch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205285860U CN202397981U (en) | 2011-12-16 | 2011-12-16 | Low-frequency electromagnetic field osteoporosis treatment couch |
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| Publication Number | Publication Date |
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| CN202397981U true CN202397981U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205285860U Expired - Fee Related CN202397981U (en) | 2011-12-16 | 2011-12-16 | Low-frequency electromagnetic field osteoporosis treatment couch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102488969A (en) * | 2011-12-16 | 2012-06-13 | 陈克明 | Low-frequency electromagnetic field osteoporosis treatment couch |
| CN104721959A (en) * | 2015-03-17 | 2015-06-24 | 郭宝强 | Novel low-frequency electromagnetic field osteoporosis treatment bed |
-
2011
- 2011-12-16 CN CN2011205285860U patent/CN202397981U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102488969A (en) * | 2011-12-16 | 2012-06-13 | 陈克明 | Low-frequency electromagnetic field osteoporosis treatment couch |
| CN104721959A (en) * | 2015-03-17 | 2015-06-24 | 郭宝强 | Novel low-frequency electromagnetic field osteoporosis treatment bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20201216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |