CN1115256A - Therapeutic apparatus for traumatology and orthopaedics - Google Patents
Therapeutic apparatus for traumatology and orthopaedics Download PDFInfo
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- CN1115256A CN1115256A CN 94114888 CN94114888A CN1115256A CN 1115256 A CN1115256 A CN 1115256A CN 94114888 CN94114888 CN 94114888 CN 94114888 A CN94114888 A CN 94114888A CN 1115256 A CN1115256 A CN 1115256A
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- pulse
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Abstract
The therapeutic instrument for curing bone injury with curative rate of 96% and shortened curative course is composed of therapeutic coil and main device including power supply, pulse generator and power amplifier and features that its trapezoidal electromagnetic field (1-10 Hz, 3-13 G) conforming with human piezoelectric frequency is used for therapy.
Description
The present invention is a kind of bone healing unit that promotes union of fracture with the corresponding to pulse electromagnetic field of the piezo-electric frequency of human body own that utilizes.
At present, utilize pulse electromagnetic field to cure the common recognition that bone injury has become medical circle easily, its general rectangle square wave that adopts, frequency is the high frequency of 50Hz, Magnet is twin coil, magnetic field has tangible directivity, because high frequency magnetic field very easily makes the metal firmware in affected part produce eddy current and heating, and the twin coil volume is big, fixed in shape, the variation of incompatibility patient posture and therapentic part, Chinese patent CN88217975.6 discloses a kind of portable bone healing unit, and it is made up of main frame and treatment coil, and the treatment coil is that diameter is the single coil of 0.35 millimeter sub-thread insulated conductor coiling, coil turn 200-500 circles, main frame is mainly by power circuit, impulse circuit, power amplification circuit is formed, and the magnetic field intensity of treatment coil does not have data description, has only proposed this instrument generally and can produce the required magnetic field intensity of bone healing.Chinese patent 87213121 discloses a kind of bone healing machine that utilizes pulse electromagnetic field equally, its therapeutic frequency scope is arranged between 0.75-19Hz extremely widely, magnetic field intensity is between 0-250 Gausses, Chinese patent 901009334 also discloses a kind of knitting electrizer, the waveform of its electric pulse is a rectangular wave, frequency 45-75KHz, above-mentioned these therapeutic instruments finally cause overall therapeutic effect not very good owing to do not consider the piezo-electric frequency of human body itself and further select for use suitable magnetic intensity to the effect that treatment is produced.
The object of the present invention is to provide a kind of bone healing unit of selecting for use the pulse electromagnetic field that is suitable for organization of human body itself to cure bone injury preferably.
The present invention be achieved in that bone healing unit by main frame and the treatment coil form, main frame comprises power circuit, pulse generating circuit, power amplification circuit, it is characterized in that its pulse frequency is 1-10Hz.
Fig. 1 is a functional-block diagram of the present invention.
Fig. 2 is a treatment loop construction sketch map of the present invention.
Fig. 3 is an electrical schematic diagram of the present invention.
Fig. 4 is the integrating circuit output waveform figure of similar trapezoidal wave.
Below in conjunction with accompanying drawing the present invention is described in detail.
The present invention is made up of main frame and treatment coil, main frame is made of power circuit 1, pulse generating circuit 2 and power amplification circuit 3, it is characterized in that pulse frequency is 1-10Hz, this extremely low pulse frequency scope and the piezo-electric frequency of human body itself are close, this pulse electromagnetic field that is close with the piezo-electric frequency of human body own directly acts on the osteoblast of fracture site, impel its increment, differentiation, quicken the effect of skeletonization and the calcification of fiber callus, shorten the healing cycle, this has proposed neodoxy for utilizing pulse electromagnetic field to cure bone injury in theory.
Certainly, pulse frequency of the present invention can also be 1.5-5Hz or 2-3Hz, so that the pulse frequency that adopts approaches the piezo-electric frequency of human body itself more, and finally be that trend is consistent, further improving electromagnetic field that treatment coil 4 produced to osteoblastic effect, especially neural to the fracture site periphery, soft tissue and callus calcification growth healing can be played satisfied curative effect.Specifically, pulse frequency is 2.2Hz.
In addition, corresponding with described pulse frequency, the induced field intensity of treatment coil 4 adopts 3-13 Gausses, 5-12 Gausses or 7-10 Gausses respectively, is specially 7.8 Gausses.Experimental results show that, the induced field of treatment coil 4 produces faradic current at human body, faradic current directly acts on osteoblast and makes its increment, differentiation and quicken the callus calcification and reaches effect, under the certain frequency, different faradic currents, also be that different coil magnetic field intensity also is different to therapeutic effect, the present invention selects for use suitable magnetic field intensity to match with pulse frequency just, to reach the effect of strengthening curative effect.
Moreover corresponding with described magnetic field intensity, treatment coil of the present invention adopts single coil, winding wire directly is respectively φ 0.1-0.5n/m, φ 0.2-0.45n/m, φ 0.3-0.4n/m, be specially φ 0.38n/m, coil turn is 100-500 circles, 200-400 circles, 250-350 circles, is specially 300 circles, coil resistance is 10-40 Ω, 15-30 Ω, 18-25 Ω are specially 20 ± 1 Ω, coil outer diameter φ 80-200n/m, φ 100-180n/m, φ 120-150n/m.
In addition, in order to strengthen curative effect, the electromagnetic field that treatment coil 4 is produced more helps bone injury healing, described pulse generating circuit is the trapezoidal pulse wave generation circuit, it can be made of square wave generation circuit and integrating circuit, what export is similar trapezoidal wave, and wounding of tissue can not caused in this trapezoidal wave magnetic field, can not generate heat to the trouble limb that the metal internal fixation is arranged.Among Fig. 3, the square wave generation circuit that is made of IC1 produces the standard low-frequency square-wave, convert the trapezoidal wave of 2.2Hz to through integrating circuit, pulse duration ratio is about 23%, and voltage peak is 5.6V, give the treatment coil by the enough strong low-frequency current of power amplification circuit output, the treatment coil excites low frequency electromagnetic field in its space, and magnetic field is heterogeneity, and its induced electric field peak value is 500uv/cm, magnetic field intensity is 7.8 Gausses, so that bone injury is treated.The treatment coil adopts single coil, is that the enamel-covered wire line directly is 0.38mm with the multiply coil of high strength enamelled wire coiling, and coil diameter is 130mm, and the number of turn is 300 circles.
The present invention improves the curative effect of curing bone injury and has shortened the healing cycle owing to having adopted with the corresponding to pulse frequency electromagnetic field of the piezo-electric frequency of human body own, for utilizing pulse electromagnetic field to cure bone injury new theoretical point view has been proposed, simultaneously, corresponding with this specific low pulse frequency, also selected to be more suitable for the magnetic field intensity of bone injury healing, change square-wave pulse into trapezoidal wave, through clinical verification, the present invention is to miscellaneous fracture (comprising wound), difficult more property fracture, bone does not connect, fracture delayed union, osteoporosis, fracture site peripheral soft tissues and peripheral nerve all have satisfactory effect, cure rate reaches 96%, and the cure rate of General Instrument only is about 88%, shortens healing time and reaches 1/3-1/2.
Claims (6)
1, a kind of bone healing unit is made up of main frame and treatment coil, and main frame includes power circuit, pulse-generating circuit and power amplification circuit, it is characterized in that its pulse frequency is 1-10Hz.
2, bone healing unit as claimed in claim 1 is characterized in that pulse frequency is a:1.5-5Hz or b:2-3Hz or c:2.2Hz.
3, bone healing unit as claimed in claim 2 is characterized in that correspondingly with described pulse frequency, and magnetic field intensity is 3-13 Gausses or a:5-12 Gauss or b:2-10 Gauss or c:7.8 Gauss.
4, bone healing unit as claimed in claim 3, it is characterized in that corresponding with described magnetic field intensity, the line of single treatment coil directly is φ 0.1-0.5n/m or a: φ 0.2-0.45n/m or b: φ 0.3-0.4n/m, or c: φ 0.38n/m, coil turn correspond to 100-500 circles or a:200-400 circle or b:250-350 circle or c:300 circle respectively.
5,, it is characterized in that pulse-generating circuit is the trapezoidal pulse wave generation circuit as claim 1,2,3 or 4 described bone healing units.
6, bone healing unit as claimed in claim 5 is characterized in that the trapezoidal wave pulse-generating circuit is made up of square wave generation circuit and integrating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94114888 CN1115256A (en) | 1994-07-20 | 1994-07-20 | Therapeutic apparatus for traumatology and orthopaedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94114888 CN1115256A (en) | 1994-07-20 | 1994-07-20 | Therapeutic apparatus for traumatology and orthopaedics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1115256A true CN1115256A (en) | 1996-01-24 |
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ID=5037257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94114888 Pending CN1115256A (en) | 1994-07-20 | 1994-07-20 | Therapeutic apparatus for traumatology and orthopaedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1115256A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861212B (en) * | 2006-06-27 | 2012-05-30 | 刘秀才 | Fracture therapeutic instrument |
| CN102517208A (en) * | 2011-12-16 | 2012-06-27 | 陈克明 | Low-frequency electromagnetic field cell treatment instrument |
| CN111836664A (en) * | 2018-01-18 | 2020-10-27 | 美格丹特有限公司 | External electronic patch for accelerating bone healing or regeneration after trauma |
-
1994
- 1994-07-20 CN CN 94114888 patent/CN1115256A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861212B (en) * | 2006-06-27 | 2012-05-30 | 刘秀才 | Fracture therapeutic instrument |
| CN102517208A (en) * | 2011-12-16 | 2012-06-27 | 陈克明 | Low-frequency electromagnetic field cell treatment instrument |
| CN111836664A (en) * | 2018-01-18 | 2020-10-27 | 美格丹特有限公司 | External electronic patch for accelerating bone healing or regeneration after trauma |
| CN111836664B (en) * | 2018-01-18 | 2024-05-10 | 帕萨尔美德他克有限公司 | External electronic patch for accelerating bone healing or regeneration after trauma |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |