CN2157794Y

CN2157794Y - Multi-channel dot matrix electrode probe

Info

Publication number: CN2157794Y
Application number: CN 93209358
Authority: CN
Inventors: 李笑田; 李茂国
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-04-15
Filing date: 1993-04-15
Publication date: 1994-03-02
Anticipated expiration: 2003-04-15

Abstract

The utility model relates to a multi-channel dot-matrix electrode probe head for electrotherapy and diagnosis. Electrodes are distributed according to a dot matrix to collect the electrical impedance of the point regions of a human body, AND gates which are arranged in an array mode are used as switches of each electrode, and two analog switches are connected in parallel to be used as an analog signal transmission device and an analog signal separator. The two analog switches respectively use a channel to output signals to together control one AND gate to be switched on or switched off; then, a microcomputer is utilized to control any one channel of the two analog switches to be switched on or switched off to output the signals. Thereby, the corresponding AND gate is opened, and the electrode is switched on. Thus, the goal of automatically collecting detected signals and automatically outputting treating signals is realized.

Description

Multi-channel dot matrix electrode probe

This utility model belongs to electrotherapy and diagnostic electrode probe apparatus.Specially refer to the impedance variation of surveying the special acupuncture point of human body district and diagnose, and the electrode probe device of the output electricity irritation traditional Chinese medical science computer system for the treatment of.

According to Chinese medicine meridian theory and modern medicine experiment, the electrical impedance at body local acupuncture point changes the pathological changes that can reflect human body a part and organ, simultaneously electricity irritation is implemented at these acupuncture points, can reach the purpose of curing corresponding site and organ disease.Develop diagnosis of many human acupoints and therapeutic apparatus according to this medical phenomenon at present, these diagnosis, therapeutic apparatus more and more adopt computer system control work, and then, automatization integrated to diagnoses and treatment, intelligent direction development.Diagnosis of existing computer system and therapeutic apparatus all exist and lack supermatic probe, the shortcoming of collection or output voltage or electric current automatically, thereby influence its automatization, intelligentized process widely.Exemplifying several examples below is illustrated:

Among the Chinese patent CN1057776A, probe is 12 electrode linear array of employing and is fixed together, control this multipole probe with an electrode sequencing contro display circuit, can survey the resistance value at 12 acupuncture points automatically, and this probe can be finished the task of Clinics and Practices simultaneously, and dismounting again in the Clinics and Practices.Because its probe has only 12 electrodes, when therefore installing, these 12 electrodes must be aimed at 12 acupuncture points in acupuncture point district simultaneously, just can accomplish accurate Clinics and Practices.This point is to the people through specialized training is very not difficult.In addition, because microcomputer of no use control, this electrode sequential control circuit can only be realized the signal transmission from 12 lines to 1 line, and the signal from 1 line to 12 lines separates then can not select a certain electrode automatically, imports the treatment signal into.When selecting special electrodes to stimulate, also need manually-operated.

Among the Chinese patent CN1039716A, electrode also adopts 12 electrodes, totally 24 road signals, multiconductor, multichannel, computer processing data, accomplished to measure simultaneously the resistivity of 12 meridians, but because it is to be used for channel diagnostics, therefore 12 electrodes are isolating through the cave, will accurately be installed on the acupuncture point of 12 meridians respectively, so its electrode is installed also very complicated.Though realized automatization and intellectuality basically, readily good treatment functions.88 passage ADC0809 make analog-digital converter because this patent has adopted piece, though realized signal transmission from 24 lines to 1 line, but do not have the signal separation function of design, thereby can't export the treatment signal automatically to special electrodes, so fail to accomplish that diagnoses and treatment is integrated from 1 line to 24 lines.

In sum, existing diagnosis and therapeutic device all exists following deficiency:

1, the location of probe must the professional be operated, and is not easy to penetration and promotion, and has increased the complexity of operation;

2, Tan Tou positioning requirements accuracy height is if any the effect of error effect diagnosis and treatment;

3, probe can not be selected a certain electrode or some electrode automatically, and it is imported into the treatment signal, select special electrodes to treat and also need artificial operation, does not therefore really accomplish automatization, intellectuality;

4, Tan Tou electrode can not be selected automatically needs the electrode of treatment to import the treatment signal into, can cause that also the acupuncture point mistake to no disease stimulates, and can cause the sense of discomfort of human body.

The purpose of this utility model is to provide a kind of novel multi-channel lattice electrode probe, makes it reach following purpose:

1, simple installation is easily gone;

2, survey acupuncture point district impedance variation automatically;

3, select special electrodes output treatment voltage or electric current automatically, stimulate particular acupoint;

4, can avoid because of stimulating the incorrect human body sense of discomfort that causes;

5, can improve curative effect.

This utility model is made up of analog signal transmission/separator, array and three parts such as door and lattice electrode, and its particular content is as follows: analog signal transmission/separator, by analog switch C1(n position) and the C2(m position) constitute.The input of C1 and C2 links together, and as the common input end X1 of analog signal transmission/separator, the address wire of C1 will be connected with the low level control line of microcomputer.C1 has the output of n paths, and its n road output all is arranged in order as line output, and wherein the output of i road is as the i line output, and C2 has the output of m paths, and all output is arranged in order as row in its m road output, and wherein the output of j road is as the output of j row.

Array and door with door quantity be L port number (n and m) decision by C1 and C2, each has two inputs with door, one is row input A, another is row input B, each and Men Youyi outfan.With above-mentioned array and door line up that n is capable, the m row, wherein all be connected with the capable input of door with the same corresponding row outfan of analog switch with delegation, promptly i capable with all go the input A i line output end corresponding and be connected with C1.Wherein with all being connected of string with the same corresponding row outfan of analog switch with the Men Qilie input, promptly the i row with all row input B j row outfan corresponding with C2 be connected.Each is connected with all corresponding with it electrode outlet line of outfan of door, be positioned at that i is capable, j is listed as with door be Vi, j, its outfan will be connected with electrode outlet line.

Lattice electrode comprises K electrode of corresponding above-mentioned electrode outlet line.Electrode diameter is d(0.5～1.5mm), longly is l, vertically imbeds the insulating barrier that thickness is h, and be arranged in the point off density formation.The shape of dot matrix is similar to acupuncture point district shape.The adjacent electrode distance is that r(0.5～5mm), electrode one end can expose thin layer slightly, and long is s, to contact with the acupuncture point district, as contact jaw, the electrode other end is drawn lead and is connected with the outfan of door, being positioned at the electrode that i is capable, j is capable is Ei, j, and its lead-out wire is connected with outfan with door Vij.

This utility model is popped one's head in to compare with traditional diagnosis, treatment and is had following effect:

1,, just can make microsystem automatically diagnose, treat and become possibility owing to adopted multichannel lattice electrode;

2, gather detectable signal automatically owing to realized microcomputer, can survey the impedance variation in acupuncture point district automatically, when having avoided traditional diagnoses and treatment, the shortcoming that the counter electrode positioning requirements is high, only need lattice electrode is covered on the zone, acupuncture point, diagnosis, treatment can be implemented, therefore manipulating of layman can be satisfied with;

3, select electrode owing to realized microcomputer automatic control, output treatment voltage or electric current stimulate particular acupoint specially, therefore can support traditional Chinese medical science computer expert system to carry out determination of treatment based on pathogenesis obtained through differentiation of symptoms and signs automatically, improve therapeutic effect.

The drawing explanation:

Fig. 1 is the operation principle block diagram of this utility model and microcomputer;

Fig. 2 is circuit theory diagrams of the present utility model;

Fig. 2 is a lattice electrode structure front view of the present utility model;

Fig. 4 is a lattice electrode structure side view of the present utility model.

Below in conjunction with accompanying drawing embodiment of the present utility model is described as follows: analog switch C1 that selects for use in the present embodiment and the model of C2 are CC4067, and the output of 16 paths is arranged, the input of 1 passage, 4 control lines.Array and door are made up of with door 64 74LS08, four or two inputs, comprise 256 and door.Lattice electrode also comprises: 256 electrodes, line up 8 row, and 32 row, profile is a rectangle, and electrode spacing is 1mm, and electrode diameter is 1mm, and high 10mm, contact jaw expose insulating barrier 2mm, and heat insulating lamina is a medical grade rubber, flexible plastic, long 70mm, wide 25mm, thick 6mm.

When using this probe, join, dispose a reference electrode again with single-chip microcomputer 8398.Single-chip microcomputer 8398 band 8K bytes comprise: encrypt 120m, and high speed I/O port (HSI/HSOL), sampling keeps (S/H) circuit, A/D, D/A converter, interrupt control unit etc.The input X1 of analog signal transmission/separator is connected with the P2.5 of microcomputer, and input is surveyed or the treatment signal.The sampling outfan X2 of reference electrode meets the Po of microcomputer, output impedance of point information.The address wire of C1 and C2 meets P3.1～P3.7.

During detection, lattice electrode is placed the holographic acupuncture point district of second metacarpal bone side, because electrode dense arrangement, and area is greater than the acupuncture point district, so as long as lattice electrode roughly is put into above the district of acupuncture point, just necessarily has electrode and contact with each acupuncture point, because the signal of each electrode input microcomputer has obvious difference, therefore can to discern the electrode contact site be also right and wrong acupuncture point, acupuncture point to microcomputor program, is normal acupuncture point or ill acupuncture point.The detectable signal of microcomputer output enters probe from X1, simultaneously, and microcomputer control line transport address sign indicating number, determine i road and the conducting of j road of above-mentioned C1 and C2, therefore signal is assigned to and door Vi, j, makes with door Vi, j and opens, connect electrode Ei, j, detectable signal is just sent into the acupuncture point by electrode, reaches reference electrode through human body again, pass microcomputer at last again back, carry out analyzing and processing, under programme-control, input treatment automatically, the treatment signal is sent into the characteristics acupuncture point with the same manner, thereby reaches therapeutic purposes.

Claims

1, the multichannel lattice electrode probe of a kind of electrotherapy and diagnosis usefulness is made up of with door and lattice electrode three parts analog signal transmission/separator, array, it is characterized in that:

(1) analog signal transmission/separator is made of analog switch C1 and C2, and the input of above-mentioned two analog switch C1, C2 links together, as the common input end X1 of analog signal transmission/separator; The address wire of analog switch C1 will be connected with the high-order control line of microcomputer; The address wire of analog switch C2 will be connected with the low level control line of microcomputer; Analog switch C1 is the output of n paths, and its output all is arranged in order as line output; Analog switch C2 is the output of m paths, and all output is arranged in order as row in its output;

(2) number of arrays of array and door is by the port number decision of above-mentioned analog switch C1, C2, each is decided to be capable input A and row input B respectively with two inputs of door, above-mentioned array and door are pressed the logical relation that n is capable, m is listed as arrange, wherein all be connected with the capable input A of door with the same corresponding outfan of above-mentioned analog switch with delegation; All being connected with the same corresponding row outfan of analog switch with Men Qilie input B with string wherein: each all is connected with its corresponding electrode outlet line with the outfan of door;

(3) the corresponding above-mentioned electrode outlet line of the quantity of lattice electrode, it is lined up the point off density formation, direct-burried is gone into heat insulating lamina and is fixed, electrode tips is needle-like, above-mentioned electrode tips diameter is: 0.5～1.5mm, distance between the lattice electrode is 0.5～5mm, and the dot matrix overall dimensions can be decided according to the acupuncture point.