CN102488969A - Low-frequency electromagnetic field osteoporosis treatment couch - Google Patents
Low-frequency electromagnetic field osteoporosis treatment couch Download PDFInfo
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- CN102488969A CN102488969A CN2011104230333A CN201110423033A CN102488969A CN 102488969 A CN102488969 A CN 102488969A CN 2011104230333 A CN2011104230333 A CN 2011104230333A CN 201110423033 A CN201110423033 A CN 201110423033A CN 102488969 A CN102488969 A CN 102488969A
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Abstract
The invention relates to a low-frequency electromagnetic field osteoporosis treatment couch controlled by a plurality of parameters such as magnetic induction density, magnetic field frequency and magnetic field type. The treatment couch comprises a couch body; a magnetic field coil is arranged on the periphery of the couch body and is connected with a magnetic field commissioning circuit; the low-frequency electromagnetic field osteoporosis treatment couch further comprises a control unit and a signal conversion unit; the control signal output end of the control unit is connected with the control signal input end of the signal conversion unit; the control signal output end of the signal conversion unit is connected with the input end of the magnetic field commissioning circuit; and the output end of the magnetic field commissioning circuit is connected with the magnetic field coil. The low-frequency electromagnetic field osteoporosis treatment couch can choose the best magnetic field treatment parameter to perform individual targeted treatment as per individual situations of patients, is precision and adjustable in magnetic induction density and frequency of the magnetic field, and can perform effective treatment to patients with osteoporosis or carry out preclusive treatment to patients that need to be bedridden for a long time after receiving a fracture surgery.
Description
Technical field
The invention belongs to medical magnetic therapy technical field, relate 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 is being deposited 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.
Summary of the invention
The objective of the invention is to overcome the problem that prior art exists, 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, the present invention 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 magnetic field debug circuit comprises main circuit and control circuit; Said main circuit comprises power module and power amplifier module; Be provided with mode enable switch between said power module and the power model, said control circuit comprises the driver module that is used for the driving power amplification module.
The main circuit of said magnetic field debug circuit is made up of two groups of placed in-line full H bridge circuits.Adopt the placed in-line main circuit of H bridge to realize that the H bridge is equivalent to parallel operation when low-voltage is exported, when high voltage was exported, the H bridge was equivalent to tandem working, had solved the output characteristic of power source under the wide output voltage effectively, had improved the reliability of power amplifier module.
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 on and is arranged on the guide rail of body both sides.
Said bed body bottom is provided with the transmission push rod, and this transmission push rod is connected with pedestal.
Said control unit comprises a man machine operation interface, and this 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 low frequency electromagnetic field osteoporosis therapy bed provided by the invention 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 provided by the invention 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 low frequency electromagnetic field osteoporosis therapy bed of the present invention;
Fig. 2 is the structural representation of low frequency electromagnetic field osteoporosis therapy bed of the present invention;
Fig. 3 is the main circuit schematic diagram of magnetic field of the present invention debug circuit;
Fig. 4 is the control circuit schematic diagram of magnetic field of the present invention 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. 1～4; 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.The magnetic field debug circuit comprises main circuit and control circuit, and 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; 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.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 on a body 1 both sides; Bed body 1 bottom 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 3 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 type that field coil 2 produces is alternating magnetic field, pulsed magnetic field or magnetostatic field, and the field waveform of generation is sine wave, triangular wave, square wave or sawtooth waveforms, and the magnetic induction in the magnetic field of generation is 0 ~ 9mT, and field frequency is 5 ~ 100Hz.
In the present embodiment, the longitudinal length of field coil 2 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 is applied certain voltage, produces specific electromagnetic field by field coil; 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 (9)
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; It is characterized in that; Said magnetic field debug circuit comprises main circuit and control circuit; Said main circuit comprises power module and power amplifier module, is provided with mode enable switch between said power module and the power model, and said control circuit comprises the driver module that is used for the driving power amplification module.
3. a kind of low frequency electromagnetic field osteoporosis therapy bed according to claim 2 is characterized in that, the main circuit of said magnetic field debug circuit is made up of two groups of placed in-line full H bridge circuits.
4. 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.
5. 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.
6. 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 on a body (1) both sides.
7. low frequency electromagnetic field osteoporosis therapy bed according to claim 6 is characterized in that, said bed body (1) bottom is provided with transmission push rod (5), and this transmission push rod (5) is connected with pedestal (3).
8. according to described any one low frequency electromagnetic field osteoporosis therapy bed of claim 1～7; It is characterized in that; Said control unit comprises a man machine operation interface, and this 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.
9. according to described any one low frequency electromagnetic field osteoporosis therapy bed of claim 1～7, it is characterized in that said control unit is provided with the backstage database of record of store patient medical history record.
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| CN2011104230333A CN102488969A (en) | 2011-12-16 | 2011-12-16 | Low-frequency electromagnetic field osteoporosis treatment couch |
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| CN2011104230333A CN102488969A (en) | 2011-12-16 | 2011-12-16 | Low-frequency electromagnetic field osteoporosis treatment couch |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263729A (en) * | 2013-04-10 | 2013-08-28 | 深圳市囯基科技有限公司 | Pulse electromagnetic field bone therapeutic instrument |
| CN103505812A (en) * | 2013-10-21 | 2014-01-15 | 江苏天马高科技有限责任公司 | Osteoporosis treating system |
| CN103736212A (en) * | 2013-12-19 | 2014-04-23 | 中国人民解放军第四军医大学 | Bone injury/osteoporosis treatment bed based on high-frequency low-intensity vibration |
| CN104579069A (en) * | 2015-01-30 | 2015-04-29 | 天津工业大学 | Multifunctional magnetic field generation control circuit |
| CN105396222A (en) * | 2015-12-03 | 2016-03-16 | 重庆奥特思医疗设备有限公司 | Low-frequency pulse treatment table |
| CN106510921A (en) * | 2016-12-28 | 2017-03-22 | 四川大学华西医院 | Adjustable spinal compression fracture orthopedic device |
| CN106581861A (en) * | 2016-12-15 | 2017-04-26 | 四川大学 | Low-frequency pulse electromagnetic instrument used for treating knee osteoarthritis and cartilage injury and system thereof |
| CN108404293A (en) * | 2018-03-27 | 2018-08-17 | 陈克明 | A kind of electromagnetic field treatments band and its application method based on solenoidal array |
| CN108498953A (en) * | 2018-04-20 | 2018-09-07 | 刘西纺 | Osteoporosis treatment instrument |
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| CN101574556A (en) * | 2008-09-19 | 2009-11-11 | 兰州军区兰州总医院 | Osteoporosis therapy system based on variable Helmholtz coils |
| CN202070014U (en) * | 2011-05-26 | 2011-12-14 | 重庆奥特思医疗设备有限公司 | Osteoporosis therapeutic bed |
| CN202397981U (en) * | 2011-12-16 | 2012-08-29 | 陈克明 | Low-frequency electromagnetic field osteoporosis treatment couch |
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2011
- 2011-12-16 CN CN2011104230333A patent/CN102488969A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101574556A (en) * | 2008-09-19 | 2009-11-11 | 兰州军区兰州总医院 | Osteoporosis therapy system based on variable Helmholtz coils |
| CN202070014U (en) * | 2011-05-26 | 2011-12-14 | 重庆奥特思医疗设备有限公司 | Osteoporosis therapeutic bed |
| CN202397981U (en) * | 2011-12-16 | 2012-08-29 | 陈克明 | Low-frequency electromagnetic field osteoporosis treatment couch |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263729A (en) * | 2013-04-10 | 2013-08-28 | 深圳市囯基科技有限公司 | Pulse electromagnetic field bone therapeutic instrument |
| CN103263729B (en) * | 2013-04-10 | 2015-06-03 | 深圳市囯基科技有限公司 | Pulse electromagnetic field bone therapeutic instrument |
| CN103505812A (en) * | 2013-10-21 | 2014-01-15 | 江苏天马高科技有限责任公司 | Osteoporosis treating system |
| CN103736212A (en) * | 2013-12-19 | 2014-04-23 | 中国人民解放军第四军医大学 | Bone injury/osteoporosis treatment bed based on high-frequency low-intensity vibration |
| CN104579069A (en) * | 2015-01-30 | 2015-04-29 | 天津工业大学 | Multifunctional magnetic field generation control circuit |
| CN104579069B (en) * | 2015-01-30 | 2020-05-26 | 天津工业大学 | Multifunctional magnetic field generation control circuit |
| CN105396222A (en) * | 2015-12-03 | 2016-03-16 | 重庆奥特思医疗设备有限公司 | Low-frequency pulse treatment table |
| CN106581861A (en) * | 2016-12-15 | 2017-04-26 | 四川大学 | Low-frequency pulse electromagnetic instrument used for treating knee osteoarthritis and cartilage injury and system thereof |
| CN106510921A (en) * | 2016-12-28 | 2017-03-22 | 四川大学华西医院 | Adjustable spinal compression fracture orthopedic device |
| CN108404293A (en) * | 2018-03-27 | 2018-08-17 | 陈克明 | A kind of electromagnetic field treatments band and its application method based on solenoidal array |
| CN108498953A (en) * | 2018-04-20 | 2018-09-07 | 刘西纺 | Osteoporosis treatment instrument |
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Application publication date: 20120613 |