CN105879225A - Intelligent and portable electrotherapeutical apparatus - Google Patents

Abstract

The invention discloses an intelligent and portable electrotherapeutical apparatus. The intelligent and portable electrotherapeutical apparatus comprises a free oscillating circuit and a dual rectangular shaped electrode, wherein the free oscillating circuit comprises a stabilized voltage supply, a signaling switch, a control unit and a conductive coil; the stabilized voltage supply is connected with the conductive coil through a conductive wire, the signaling switch used for controlling the connection and the disconnection of the stabilized voltage supply and the conductive coil is arranged between the stabilized voltage supply and the conductive coil, the signal switch is connected with the control unit, the dual rectangular shaped electrode comprises a conductive anode and a conductive cathode, a dual rectangular shaped insulator is arranged between the conductive anode and the conductive cathode, and can be in direct contact with the skin tissue of a biological object, the conductive anode is connected with one end of the conductive coil through a conducting wire, the signaling switch used for controlling the connection and the disconnection of the conductive anode and the conductive coil is arranged between the conductive anode and the conductive coil, the conductive cathode is connected with the other end of the conductive coil through a conducting wire, and the measuring accuracy of the electrotherapeutical apparatus is effectively improved.

Description

A kind of intelligent and portable electrical medical apparatus

Technical field

The present invention relates to application of electronic technology in medical instruments field, particularly relate to a kind of intelligent and portable electrical medical apparatus.

Background technology

Along with the research of biological object science diagnosis, increasing people uses measurement organism health different parts to hinder again Anti-technology, analyzes the situation of current biological body different parts.

These methods are the most all the electrical parameters of skin measuring biological object body region, and by them and standard skin The parameter that skin sample is worked out is made comparisons, and analyzes and draws about phenomenons such as skin, diseases.

In the prior art scheme, measuring skin pricktest impedance is the protection N1/4 1.821195INT.CL.A61H by the former Soviet Union 39/00, A61B 5/05, it is published in 1993EM N1/4 22, the method that this patent comprises: be put on skin measuring electrode, setting An a stable 200～380 millisecond persistent period and electric current density direct current arteries and veins at 7.1～36.2 μ A is exported on standby electrode Punching, can carry out the measurement of resistance when each end-of-pulsing, compares the value for the first time and between second time, and to entering next time Row error correction.The shortcoming of this technology is that measurement result is easily subject to the impact of external factor, such as, the dry and wet journey of skin Degree, device electrode concentration being placed on skin tightness, electrolyte etc.；The measurement result of the method can only provide one relatively Low diagnostic accuracy, therefore cannot use to professional.

In the prior art scheme, by the method measuring the parameter of resistance, inductance value and capacitance, it is by front Soviet Union UNPROFOR protects USSR N1797079INT.CL.G01R 27/26, is published in 1993；The method is that DC voltage is applied to string Connection active capacitor or active inductance measuring circuit, and some parts in known circuit, in this measuring circuit, measure one First instantaneous voltage value in the individual time interval set, then measures second instantaneous voltage value, uses following public affairs Formula calculate correspondence inductance and capacitance:

For active capacitor circuit:

$C_x=-\frac{\mathrm{\Δ}t}{R_{0}ln\frac{U_2-U_1}{U_1}}$

$R_x=-\frac{\mathrm{\Δ}t}{C_{0}ln\frac{U_2-U_1}{U_1}}$

For Active inductor circuit:

$L_x=-\frac{R_0\mathrm{\Δ}t}{ln\frac{U_2-U_1}{U_1}}$

$R_x=-\frac{L_{0}ln\frac{U_2-U_1}{U_1}}{\mathrm{\Δ}t}$

Wherein:

Cx, Rx, Lx are parameters unknown in measuring circuit；

C0, R0, L0 are known parameters in measuring circuit；

Δ t is the time interval set；

U1 and U2 is the first time measured in measuring circuit and second time instantaneous voltage value.

Just can be calculated the impedance parameter of correspondence by above formula, but the shortcoming of this method is to provide Real component in complex impedance and idle component, simultaneously because the low accuracy of this measurement result, comparison is the most difficult reflects biology The electric conductivity of object；This measurement result is easily subject to unstable impedance and resistance, the impact of capacitor element of organism, causes There is fluctuation by a relatively large margin in result；

Summary of the invention

It is an object of the invention to provide a kind of simple in construction, test result intelligent and portable electrical medical apparatus accurately.

The above-mentioned purpose of the present invention is achieved through the following technical solutions:

A kind of intelligent and portable electrical medical apparatus, including free-running circuit and hollow electrode, described free-running circuit includes Regulated power supply, signaling switch, control unit and conductive coil, regulated power supply is connected by wire with conductive coil, regulated power supply And be provided with between conductive coil for controlling its connection and the signaling switch disconnected, signaling switch is connected with control unit, institute State hollow electrode and include positive conductive electrode and conduction negative pole, between positive conductive electrode and conduction negative pole, be provided with hollow isolation, back-shaped isolation Directly can contact with biological object skin histology, positive conductive electrode is connected by wire with one end of conductive coil, positive conductive electrode And be provided with between conductive coil for controlling its connection and the signaling switch disconnected, wire negative pole leads to the other end of conductive coil Crossing wire to connect, wherein, regulated power supply for filling energy to conductive coil, and control unit switchs voltage stabilizing for control signal Connecting between power supply and conductive coil or disconnect, between positive conductive electrode and conductive coil during connection, hollow isolation is attached to biology Subject's skin tissue, allows biological object skin histology connect positive conductive electrode and the conduction negative pole of hollow electrode, thus measures The biological conductive of this biological object skin histology.

In order to measure the biological conductive of biological object skin histology more accurately, described free-running circuit is provided with electricity Pressure reference point, voltage reference points is connected with lead loop.

Operating for convenience, described conductive coil is respectively arranged at the two ends with a tap.

In order to enable preferably to judge the health status of biological object, conductive coil is led in time to recharge t by regulated power supply The energy that electric coil is accumulatedCan calculate by following equation:Its In, L is the inductance value of conductive coil, I_ιFor at the end of time to recharge t by the magnitude of current of conductive coil, U₀For voltage stabilizing electricity The magnitude of voltage in source 2, r₀For the internal driving of the regulated power supply in circuit, r_LResistance value for the conductive coil in circuit.

In order to enable preferably to judge the health status of biological object, the biological object skin histology under the isolation of described hollow The computing formula of resistive impedance (Rx) is:Wherein, L is the inductance value of conductive coil, U₁For between the time The amplitude of vibration, U is started in T₂For the amplitude of vibration after terminating in time interval T, T freely shakes for measuring in oscillating circuit Swing the time interval of damped coefficient.

Biological object skin group in order to enable preferably to judge the health status of biological object, under described hollow isolation 103 The computing formula of the electrostatic capacitance (Cx) knitted is:

Wherein, L is the inductance value of conductive coil, r₀For regulated power supply Internal driving, r_LFor the resistance value of conductive coil, t is the time interval that conductive coil is connected to regulated power supply, U₀For voltage stabilizing electricity The magnitude of voltage in source, U_mWhen being full of energy for conductive coil and be connected on conductive electrode be simultaneously applied to biological object skin histology The voltage magnitude of first half-wave.

Beneficial effects of the present invention: this intelligent and portable electrical medical apparatus, uses hollow electrode, the maximum of the electrode of this shape Feature is that mutually disjoint electrode design, i.e. positive conductive electrode and conduction negative pole are kept apart by hollow and mutually disjoints, even if When opening facility switching, also will not produce current active between positive conductive electrode and the conduction negative pole of electrical medical apparatus, improve electrotherapy The measuring accuracy of instrument, allows biological object skin histology connect positive conductive electrode and the conduction negative pole of hollow electrode simultaneously, utilizes The impulse wave contact human body that the oscillating circuit of electrical medical apparatus is exported, the physiological property on human body will affect the waveform of contact, Finally accepted by equipment and calculate to identify；Compared with traditional electrical medical apparatus, this intelligent and portable electrical medical apparatus operation side Just, having higher precision and have higher medical diagnosis potentiality, the signal of this intelligent and portable electrical medical apparatus operation simultaneously is tight Lattice control each practical dosage, will not be affected by skin condition, skin histology can be avoided to come to harm.

Accompanying drawing explanation

Accompanying drawing 1 is structural representation Fig. 1 of the intelligent and portable electrical medical apparatus of the present invention；

Accompanying drawing 2 is structural representation Fig. 2 of the intelligent and portable electrical medical apparatus of the present invention；

Label declaration: 1-hollow electrode；101-positive conductive electrode；102-conducts electricity negative pole；103-hollow is isolated；2-voltage stabilizing electricity Source；3-signaling switch；4-control unit；5-conductive coil；6-voltage reference points；7-tap；

Detailed description of the invention

For describing the technology contents of the present invention in detail, realizing target effect, it is explained in detail below in conjunction with embodiment.

1-accompanying drawing 2 referring to the drawings, the present invention provides a kind of intelligent and portable electrical medical apparatus, including free-running circuit and hollow Electrode 1, described free-running circuit includes regulated power supply 2, signaling switch 3, control unit 4 and conductive coil 5, regulated power supply 2 It is connected by wire with conductive coil 5, is provided with between regulated power supply 2 and conductive coil 5 for controlling its connection and the letter disconnected Number switch 3, signaling switch 3 is connected with control unit 4, and described hollow electrode 1 includes positive conductive electrode 101 and the negative pole 102 that conducts electricity, Being provided with hollow isolation 103 between positive conductive electrode 101 and conduction negative pole 102, back-shaped isolation can be straight with biological object skin histology Contact, positive conductive electrode 101 is connected by wire with one end of conductive coil 5, sets between positive conductive electrode 101 and conductive coil 5 Having for controlling its connection and the signaling switch 3 disconnected, wire negative pole is connected by wire with the other end of conductive coil 5, its In, regulated power supply 2 for filling energy to conductive coil 5, and control unit 4 and is led regulated power supply 2 for control signal switch 3 Connecting between electric coil 5 or disconnect, between positive conductive electrode 101 and conductive coil 102 during connection, hollow isolation 103 is attached to raw Thing subject's skin tissue, allows biological object skin histology connect positive conductive electrode 101 and the conduction negative pole 102 of hollow electrode 103, Thus measure the biological conductive of this biological object skin histology.

In the present embodiment, described free-running circuit is provided with voltage reference points 6, voltage reference points 6 and conductive coil phase Connect.

In the present embodiment, described conductive coil 5 is respectively arranged at the two ends with a tap 7.

This intelligent and portable electrical medical apparatus operationally, by control unit 4 control signal switch 3 by regulated power supply 2 He Connect between conductive coil 5, within the time set in advance, with regulated power supply 2, conductive coil 5 is filled energy；Then list is controlled Separated by regulated power supply 2 and conductive coil 5 of unit 4 control signals switch 3, will connect between positive conductive electrode 101 and conductive coil 5 Logical；Finally hollow isolation 103 is attached on biological object skin histology, allows biological object skin histology connect hollow electrode 1 Positive conductive electrode 101 and conduction negative pole 102, can measure the biological conductive of this biological object skin histology, thus life Thing subject's skin tissue combines dynamically with circuit, allows biological object skin histology become the part in circuit, because of This can show a more stable state at different skin areas.

In the present embodiment, owing to the impedance of biological object skin histology exists capacity effect, therefore when conductive coil 5 with lead A series of oscillator signal can be produced after electricity positive pole 101 connection, the when of in turn, can put with biological object skin histology again Going out a free oscillation, this free oscillation is by inductance value, positive conductive electrode 101 and the biological object skin histology to conductive coil Contact impedance, the hypodermic impedance being parallel to biological object skin histology and conduction negative pole 102 and biological object skin The contact impedance of tissue is constituted.

In the present embodiment, described regulated power supply 2 is t to the time to recharge of conductive coil 5, and conducts electricity in time to recharge t The energy that coil 5 is accumulated, can calculate by following equation:

Wherein:

L is the inductance value of conductive coil；

I_ιFor at the end of time to recharge t by the magnitude of current of conductive coil；

U₀Magnitude of voltage for regulated power supply 2；

r₀Internal driving for the regulated power supply in circuit；

r_LResistance value for the conductive coil in circuit；

In the present embodiment, free-running change, can calculate by following equation；

U (t)=U_me^ατCos(ωt)

Wherein:

U_mWhen being full of energy for conductive coil and be connected in positive conductive electrode be simultaneously applied to biological object skin histology The voltage magnitude of first half-wave

α is damped oscillation coefficient；

ω=2 π f is angular oscillation frequency；

In the present embodiment, conductive coil 5 is full of energy and is connected on conductive electrode be simultaneously applied to biological object skin The voltage magnitude of first half-wave during tissue depends on quantity and the conductive coil 5 that the electromagnetic energy of conductive coil 5 accumulated The peak point current passed through, and there is a proportionate relationship between the two, computing formula is as follows:

$U_m=\sqrt{\frac{L}{C_3}}{I}_{\mathrm{\ι}}=\sqrt{\frac{L}{C_3}}\frac{U_0}{r_0+r_L}(1-e^{-\frac{-r_0+r_L}{L}t})$

Wherein, the parameter of formula is the most consistent with the above, and C₃For the equivalent capacity in oscillating circuit；

In the present embodiment, the computing formula of the equivalent capacity in oscillating circuit is as follows:

$C_3=L{\[\frac{U_0}{(r_0+r_L)U_m}(1-e^{-\frac{r_0+r_L}{L}t})\]}^2$

In the present embodiment, free oscillation damped coefficient can be by the regulated power supply 2 time to recharge t to conductive coil 5 Start and at the end of, carry out the amplitude measurement of multiple cycle of oscillation, and calculate free oscillation resistance by following computing formula Buddhist nun's coefficient:

$\mathrm{\α}=-\frac{ln\left(\frac{U_2}{U_1}\right)}{T}=\frac{R_3}{2L}$

Wherein:

U₁For starting the amplitude of vibration in time interval T；

U₂For the amplitude of vibration after terminating in time interval T；

R₃For oscillating circuit equivalent resistance；

For measuring the time interval of damped oscillation coefficient；

F is free-running frequency；

In the present embodiment, the computing formula of oscillating circuit equivalent resistance is as follows:

$R_3=-\frac{2Lln\left(\frac{U_2}{U_1}\right)}{T}$

In the present embodiment, the free oscillation frequency in oscillating circuit, calculated by equation below:

$f=\frac{1}{2\mathrm{\π}}\sqrt{(\frac{L}{C_3}-\frac{R_3}{4L^2})}$

So, the resistive impedance (Rx) of the biological object skin histology under described hollow isolation 103 and electrostatic capacitance (Cx) Computing formula:

$R_x=-\frac{2Lln\frac{U_2}{U_1}}{T}$

$C_x=L{\[\frac{U_0}{(r_0+r_L)U_m}(1-e^{-\frac{r_0+r_L}{L}t})\]}^2$

Wherein:

C_xThe electrostatic capacitance of the biological object skin histology under isolating for hollow；

R_xThe resistive impedance of the biological object skin histology under isolating for hollow；

L is the inductance value of conductive coil；

r₀Internal driving for regulated power supply；

r_LResistance value for conductive coil；

T is to measure the time interval of free oscillation damped coefficient in oscillating circuit；

T is the time interval that conductive coil is connected to regulated power supply；

U₁For starting the amplitude of vibration in time interval T；

U₂For the amplitude of vibration after terminating in time interval T；

U₀Magnitude of voltage for regulated power supply；

U_mWhen being full of energy for conductive coil and be connected on conductive electrode be simultaneously applied to biological object skin histology The voltage magnitude of first half-wave；

This intelligent and portable electrical medical apparatus, uses hollow electrode 1, and the maximum feature of the electrode of this shape is to mutually disjoint Electrode design, i.e. positive conductive electrode 101 and conduction negative pole 102 is kept apart by hollow isolation 103 and is mutually disjointed, even if opening equipment During switch, also will not produce current active between positive conductive electrode 101 and the conduction negative pole 102 of electrical medical apparatus, improve electric therapeutic instrument The measuring accuracy of device, allows biological object skin histology connect positive conductive electrode 101 and the conduction negative pole 102 of hollow electrode 1 simultaneously, Utilizing the impulse wave contact human body that the oscillating circuit of electrical medical apparatus is exported, the physiological property on human body will affect the ripple of contact Shape, is finally accepted by equipment and calculates to identify；Compared with traditional electrical medical apparatus, this intelligent and portable electrical medical apparatus operates Conveniently, having higher precision and have higher medical diagnosis potentiality, the signal of this intelligent and portable electrical medical apparatus operation simultaneously is The strict dosage controlling each practicality, will not be affected by skin condition, skin histology can be avoided to come to harm.

The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this The equivalent transformation that bright description and accompanying drawing content are made, or directly or indirectly it is used in other relevant technical fields, the most in like manner It is included in the scope of patent protection of the present invention.

Claims (6)

1. an intelligent and portable electrical medical apparatus, it is characterised in that include free-running circuit and hollow electrode, described free oscillation Circuit includes regulated power supply, signaling switch, control unit and conductive coil, and described regulated power supply and described conductive coil are by leading Line connects, and is provided with for controlling its connection and the described signaling switch disconnected between described regulated power supply and described conductive coil, Described signaling switch is connected with described control unit, and described hollow electrode includes positive conductive electrode and conduction negative pole, described conduction Being provided with hollow isolation between positive pole and described conduction negative pole, described back-shaped isolation directly can connect with biological object skin histology Touching, described positive conductive electrode is connected by wire with one end of described conductive coil, described positive conductive electrode and described conductive coil it Between be provided with for controlling its connection and the described signaling switch disconnected, the other end of described wire negative pole and described conductive coil leads to Cross wire to connect,

Wherein, described regulated power supply for filling energy to described conductive coil, and described control unit is used for controlling described signal Switch will connect between described regulated power supply and described conductive coil or disconnects, when described positive conductive electrode and described conductive coil it Between connection time, the isolation of described hollow is attached on biological object skin histology, allows the connection of described biological object skin histology is described returns The positive conductive electrode of type electrode and conduction negative pole, thus measure the biological conductive of this biological object skin histology.

Intelligent and portable electrical medical apparatus the most according to claim 1, it is characterised in that be provided with electricity in described free-running circuit Pressure reference point, described voltage reference points is connected with described lead loop.

Intelligent and portable electrical medical apparatus the most according to claim 2, it is characterised in that described conductive coil is respectively arranged at the two ends with one Individual tap.

Intelligent and portable electrical medical apparatus the most according to claim 3, it is characterised in that described regulated power supply is to described conductor wire The circle energy 3 that described conductive coil is accumulated in time to recharge t, can calculate by following equation:

Wherein, L is the inductance value of conductive coil, I_ιFor at the end of time to recharge t by the magnitude of current of conductive coil, U₀For The magnitude of voltage of regulated power supply 2, r₀For the internal driving of the regulated power supply in circuit, r_LResistance value for the conductive coil in circuit.

Intelligent and portable electrical medical apparatus the most according to claim 4, it is characterised in that the biological object under the isolation of described hollow The computing formula of the resistive impedance (Rx) of skin histology is:

$R_x=-\frac{2Lln\frac{U_2}{U_1}}{T},$

Wherein, L is the inductance value of conductive coil, U₁For starting the amplitude of vibration, U in time interval T₂For in time interval T The amplitude of vibration after end, T is to measure the time interval of free oscillation damped coefficient in oscillating circuit.

Intelligent and portable electrical medical apparatus the most according to claim 5, it is characterised in that

The computing formula of the electrostatic capacitance (Cx) of the biological object skin histology under described hollow isolation 103 is:

$C_x=L{\[\frac{U_0}{(r_0+r_L)U_m}(1-e^{-\frac{r_0+r_L}{L}t})\]}^2,$

Wherein, L is the inductance value of conductive coil, r₀For the internal driving of regulated power supply, r_LFor the resistance value of conductive coil, t is for leading Electric coil is connected to the time interval of regulated power supply, U₀For the magnitude of voltage of regulated power supply, U_mIt is full of energy for conductive coil and connects The voltage magnitude of first half-wave when being simultaneously applied to biological object skin histology on conductive electrode.