CN204543279U - A kind of portable bone injury physiotherapy table - Google Patents
A kind of portable bone injury physiotherapy table Download PDFInfo
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- CN204543279U CN204543279U CN201520264886.0U CN201520264886U CN204543279U CN 204543279 U CN204543279 U CN 204543279U CN 201520264886 U CN201520264886 U CN 201520264886U CN 204543279 U CN204543279 U CN 204543279U
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Abstract
The utility model proposes a kind of portable bone injury physiotherapy table, comprising: power supply and voltage generation circuit, the input of voltage generation circuit is connected to power supply, and the outfan of voltage generation circuit is connected to the first emission electrode and the second emission electrode; Described first emission electrode is graphite plate, and its radius is 1-2 centimetre, is connected to described voltage generation circuit by wire; Described second emission electrode is millstone plate, and its radius is 1-2 centimetre, is connected to described voltage generation circuit by wire; The voltage of described power supply is 10-20V.Portable bone injury physiotherapy table of the present utility model, effectively stimulated the injury of the bone by voltage, operating process is simple and convenient, for handicapped patient provides convenience.
Description
Technical field
This utility model relates to medical instruments field, particularly the portable bone injury physiotherapy table of one.
Background technology
In state-owned sentence archaism, 100 days injured in the sinews or bones, illustrating that a lot of patient with bone fracture needs to rest for a long time could recover.Between bone injury convalescent period, because the apparatuses such as client need gripper shoe, Gypsum Fibrosum or steel nail are fixed the injury of the bone, therefore life is subject to very big puzzlement.
There are some researches show, carrying out low pressure (5-20V) to bone injury place stimulates, and contributes to bone heals, shortens recovery time.Therefore, how to provide a kind of instrument bone injury place being carried out to low pressure stimulation, promoting bone injury healing, is current problem demanding prompt solution.
Utility model content
The utility model proposes a kind of portable bone injury physiotherapy table, low pressure stimulation is carried out to bone injury place, promote bone injury healing.
The technical solution of the utility model is achieved in that
A kind of portable bone injury physiotherapy table, comprising: power supply and voltage generation circuit, the input of voltage generation circuit is connected to power supply, and the outfan of voltage generation circuit is connected to the first emission electrode and the second emission electrode;
Described first emission electrode is graphite plate, and its radius is 1-2 centimetre, is connected to described voltage generation circuit by wire;
Described second emission electrode is millstone plate, and its radius is 1-2 centimetre, is connected to described voltage generation circuit by wire;
Described power supply is set of cells, and its voltage is 10-20V, and described set of cells comprises n the battery be connected in series; N the shorting switch be connected in parallel with respective battery; And with n short circuit control circuit of respective battery coupled in parallel, wherein said each short circuit control circuit receives respective battery both end voltage, and provides control signal according to respective battery both end voltage, in order to be turned on or off by corresponding shorting switch; Described short circuit control circuit comprises: comparator, has in-phase input end, inverting input and outfan; Biasing circuit, has anode and negative terminal, and its anode is coupled to the in-phase input end of comparator; Wherein said battery and shorting switch coupled in parallel are between the in-phase input end and the negative terminal of biasing circuit of comparator, and described shorting switch comprises the control end being coupled to described comparator output terminal; Described shorting switch is mosfet transistor;
Described voltage generation circuit comprises:
Transformator, its no-load voltage ratio is 1: 1, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to described power supply, and vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends;
Switching tube, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to switch driver;
Switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to power supply, and the colelctor electrode of transistor seconds is connected to former limit earth potential;
Frequency generating circuit, comprises phaselocked loop, and it is connected to crystal oscillator; Low pass filter, is connected to the outfan of phaselocked loop; Voltage controlled oscillator, is connected to low pass filter outfan, and its outfan is connected to amplifier, and the outfan of amplifier is connected to the control end of described switch driver;
Diode, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to Zener diode negative electrode and the first emission electrode;
The anode of described Zener diode is connected to secondary earth potential and the second emission electrode;
Described crystal oscillator frequency of oscillation is 200MHz.
Alternatively, described switching tube is mosfet transistor.
The beneficial effects of the utility model are:
Effectively stimulated bone injury place by high-frequency pulse voltage, operating process is simple and convenient, accelerates injury of the bone healing; Be system power supply by set of cells, achieve the portability of system, the battery that in short circuit set of cells, electricity exhausts or damages, extend the service time of set of cells.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of a kind of portable bone injury physiotherapy table of this utility model;
Fig. 2 is the circuit diagram of power supply of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
As shown in Figure 1, the portable bone injury physiotherapy table of one of the present utility model, comprise: power supply 1, voltage generation circuit 10, the input of voltage generation circuit 10 is connected to power supply 1, and the outfan of voltage generation circuit 10 is connected respectively to the first emission electrode 80 and the second emission electrode 90.Described first emission electrode 80 is graphite plate, and its radius is 1-2 centimetre, is connected to described voltage generation circuit 10 by wire; Described second emission electrode is millstone plate, and its radius is 1-2 centimetre, is connected to described voltage generation circuit 10 by wire; The voltage of described power supply is 10-20V.
Graphite has high conductivity and high-termal conductivity, two graphite plate emission electrodes are fixed on by band or sucker the affected part that human body needs electrotherapy, high-frequency pulse voltage within human body tolerance range and harmless is applied to the first emission electrode 80 and the second emission electrode 90 by voltage generation circuit 10, the spacing of two emission electrodes controls within 30 centimetres, by high-frequency pulse voltage, the injury of the bone is stimulated, Promotive union.
Particularly, described voltage generation circuit 10 comprises: transformator 11, its no-load voltage ratio is 1: 1, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, and vice-side winding comprises first end and the second end, and former limit winding first end is connected to described power supply 1, vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends; Switching tube 12, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to switch driver 13; Switch driver 13, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to power supply 1, and the colelctor electrode of transistor seconds is connected to former limit earth potential; Frequency generating circuit 30, comprises phaselocked loop 31, and it is connected to crystal oscillator 100, and described crystal oscillator frequency of oscillation is 200MHz; Low pass filter 32, is connected to the outfan of phaselocked loop 31; Voltage controlled oscillator 33, be connected to low pass filter 32 outfan, its outfan is connected to amplifier 35, the outfan output frequency signal f1 of amplifier 35 and be connected to the control end of described switch driver 13.
Frequency generating circuit 30 produces pulse signal, turning on and off of gauge tap pipe 12, and then control voltage produces the size of circuit 10 output voltage, ensures that electric pressure is within human body tolerance range.
Diode 14, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to Zener diode 15 negative electrode and the first emission electrode 80; The anode of described Zener diode 15 is connected to secondary earth potential and the second emission electrode 90.
Zener diode 15 is arranged between emission electrode, plays the effect of overvoltage protection, prevents because pulse voltage is too high and cause unnecessary injury to human body.
As shown in Figure 2, power supply 1 is set of cells 117, set of cells comprise battery that n is connected in series (211,221 ..., 2n1), wherein n is natural number; N shorting switch being connected in parallel with respective battery (212,222 ..., 2n2); And with n short circuit control circuit of respective battery coupled in parallel (213,223 ..., 2n3), described each short circuit control circuit receives respective battery both end voltage, and provide control signal according to respective battery both end voltage, in order to corresponding shorting switch is turned on or off, thus when respective battery both end voltage is very low by this battery short circuit.Short circuit control circuit in Fig. 2 (213,223 ..., 2n3) structure is identical, short circuit control circuit 213 comprises: comparator 2101, has in-phase input end, inverting input and outfan; Biasing circuit 2102, has anode and negative terminal, and the homophase that its anode is coupled to comparator 2101 inputs one end; Wherein battery 211 and shorting switch 212 coupled in parallel are between the in-phase input end and the negative terminal of biasing circuit 102 of comparator 2101, and described shorting switch 212 comprises the control end being coupled to described comparator 2101 outfan.When described battery voltage short circuit control circuit 213 runs, comparator 2101 compares the voltage that its battery 211 both end voltage and biasing circuit 2102 provide.When power depletion or the damage of battery 211, during the voltage levvl that its both end voltage is provided lower than biasing circuit 2102, comparator 2101, by shorting switch 212 conducting, with battery 211, thus minimizes the resistance of this battery path.Described shorting switch can be the full-control type such as audion, mosfet transistor transistor.
In this utility model, the no-load voltage ratio of transformator is 1: 1, realizes former secondary electrical isolation.
Preferably, described switching tube 12 is mosfet transistor.
Portable bone injury physiotherapy table of the present utility model, effectively stimulated bone injury place by high-frequency pulse voltage, operating process is simple and convenient, accelerates injury of the bone healing; Be system power supply by set of cells, achieve the portability of system, the battery that in short circuit set of cells, electricity exhausts or damages, extend the service time of set of cells.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. a portable bone injury physiotherapy table, it is characterized in that, comprising: power supply and voltage generation circuit, the input of voltage generation circuit is connected to power supply, and the outfan of voltage generation circuit is connected to the first emission electrode and the second emission electrode;
Described first emission electrode is graphite plate, and its radius is 1-2 centimetre, is connected to described voltage generation circuit by wire;
Described second emission electrode is millstone plate, and its radius is 1-2 centimetre, is connected to described voltage generation circuit by wire;
Described power supply is set of cells, and its voltage is 10-20V, and described set of cells comprises n the battery be connected in series; N the shorting switch be connected in parallel with respective battery; And with n short circuit control circuit of respective battery coupled in parallel, wherein said each short circuit control circuit receives respective battery both end voltage, and provides control signal according to respective battery both end voltage, in order to be turned on or off by corresponding shorting switch; Described short circuit control circuit comprises: comparator, has in-phase input end, inverting input and outfan; Biasing circuit, has anode and negative terminal, and its anode is coupled to the in-phase input end of comparator; Wherein said battery and shorting switch coupled in parallel are between the in-phase input end and the negative terminal of biasing circuit of comparator, and described shorting switch comprises the control end being coupled to described comparator output terminal; Described shorting switch is mosfet transistor;
Described voltage generation circuit comprises:
Transformator, its no-load voltage ratio is 1: 1, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to described power supply, and vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends;
Switching tube, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to switch driver;
Switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to power supply, and the colelctor electrode of transistor seconds is connected to former limit earth potential;
Frequency generating circuit, comprises phaselocked loop, and it is connected to crystal oscillator; Low pass filter, is connected to the outfan of phaselocked loop; Voltage controlled oscillator, is connected to low pass filter outfan, and its outfan is connected to amplifier, and the outfan of amplifier is connected to the control end of described switch driver;
Diode, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to Zener diode negative electrode and the first emission electrode;
The anode of described Zener diode is connected to secondary earth potential and the second emission electrode;
Described crystal oscillator frequency of oscillation is 200MHz.
2. portable bone injury physiotherapy table as claimed in claim 1, is characterized in that, described switching tube is mosfet transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264886.0U CN204543279U (en) | 2015-04-21 | 2015-04-21 | A kind of portable bone injury physiotherapy table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264886.0U CN204543279U (en) | 2015-04-21 | 2015-04-21 | A kind of portable bone injury physiotherapy table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204543279U true CN204543279U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520264886.0U Expired - Fee Related CN204543279U (en) | 2015-04-21 | 2015-04-21 | A kind of portable bone injury physiotherapy table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204543279U (en) |
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2015
- 2015-04-21 CN CN201520264886.0U patent/CN204543279U/en not_active Expired - Fee Related
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| 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: 20150812 Termination date: 20160421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |