WO2008061390A1 - Combination electrode and therapy device employing the combination electrode - Google Patents

Abstract

A combination electrode and a therapy device employing the combination electrode are used for performing ultrasonic and electrical stimulating treatment at the same site of a patient. The combination electrode comprises at least two electrode units (100, 200) and electrode wires (2). Each of the electrode units (100, 200) at least comprises an electrical pulse electrode (14, 24). At least an electrode unit (100, 200) comprises an electrical pulse electrode (14, 24) and an ultrasonic transducer (13, 23). The ultrasonic transducer (13, 23) contacts insulatively with the electrical pulse electrode (14, 24) face to face. The other surface of theelectrical pulse electrode (14, 24) is an outer electrically conductive surface. The ultrasonic transducer (13, 23) is inductively connected with an ultrasonic energizing circuit (11, 21) via a matching circuit (15, 25) and an isolating circuit (12, 22). The electrical pulse electrodes are divided into at least two groups that are insulative with each other. The electrical pulse electrodes in each group are connected in series or in parallel and the at least two groups of the electrical pulse electrodes are inductively connected with an electrical pulse energizing circuit (32) via an isolating circuit (31). The therapy device comprises a combination electrode, ultrasonic energizing circuits (11, 21), an electrical pulse energizing circuit (32), matching circuits (15, 25), and isolating circuits (12, 22, 31).

Description

 Composite electrode and therapeutic apparatus using the same

 The present invention relates to an electrode for a physiotherapy device, and to a physiotherapy device, and more particularly to a composite electrode and a therapeutic device using the composite electrode. Background technique

 At present, there are two types of health care products for home and personal use in the market: electric stimulation therapy devices and ultrasonic wave therapy devices. The treatment principle of the electric shock therapy device is: through the electrode piece attached to the human skin, using electric pulse signals to simulate the treatment methods of human back, tapping, massage, massage, acupuncture and cupping, by stimulating the muscles and promoting the local Blood circulation and other means to achieve therapeutic purposes such as analgesia. The ultrasonic therapeutic apparatus focuses the ultrasonic waves on the human tissue through the ultrasonic probe, and heats the diseased tissue through the biological effects such as thermal effect, mechanical effect and cavitation effect, thereby causing biochemical reaction, promoting the degeneration of the diseased tissue, promoting tissue reconstruction, and improving Microcirculation for therapeutic purposes.

 The electrodes used in various existing electric stimulation therapy devices and ultrasonic therapeutic devices can only provide one therapeutic function, or although two therapeutic functions can be provided at the same time, the two treatment methods cannot be used simultaneously or cannot simultaneously In the same part. Summary of the invention

 The technical problem to be solved by the present invention is to provide a composite electrode, which integrates an ultrasonic electrode and an electric pulse electrode, simultaneously performs ultrasonic treatment and electrical stimulation treatment at one treatment site, and achieves ultrasonic and electrical stimulation at the same treatment site. The effect of treatment.

 The technical problem to be solved by the present invention is also to provide a therapeutic apparatus which uses the above composite electrode to provide a composite treatment for ultrasonic and electrical stimulation at the same treatment site.

The technical solution adopted by the present invention to solve the technical problem thereof is to construct a composite electrode comprising at least two electrode units and electrode lines, the electrode unit comprising at least one electric pulse electrode, and at least one of the electrode units comprises An electric pulse electrode and an ultrasonic transducer, the ultrasonic transducer is in surface contact with the electric pulse electrode and insulated from each other, and the other surface of the electric pulse electrode opposite to the surface contact surface is a confirmation An outer conductive surface of the electric pulse electrode; the ultrasonic transducer is inductively connected to the ultrasonic excitation circuit through the matching circuit and the isolation circuit through the electrode line, and the electric pulse electrodes of the at least two electrode units are divided into at least two insulated from each other Groups, the electric pulse electrodes in each group are connected in series or in parallel, and the at least two sets of electric pulse electrodes are inductively connected to the electric pulse excitation circuit through the electrode lines and the isolation circuit.

 In the composite electrode of the present invention, the electric pulse electrode is in a trough shape, and the ultrasonic transducer is located in a groove of the electric pulse electrode.

 In the composite electrode of the present invention, the electric pulse electrode includes a first electrode plate and a second electrode plate which are electrically connected to each other in contact with each other, the second electrode plate material is a conductive rubber, and the second electrode plate is first a surface of the second electrode plate opposite to the electrode plate contact surface is an outer conductive surface of the electric pulse electrode; when the electrode unit includes an ultrasonic transducer, the first electrode plate is in surface contact with the ultrasonic transducer Insulate each other.

 In the composite electrode of the present invention, the conductive rubber is a self-adhesive conductive rubber.

 In the composite electrode of the present invention, the outer casing includes an opening, the electrode unit is mounted in the outer casing, and the outer conductive surface of the electric pulse electrode is disposed on the outer casing opening.

 The technical solution adopted by the present invention to solve the technical problem is: constructing a therapeutic apparatus, comprising: a composite electrode, an ultrasonic excitation circuit, an electric pulse excitation circuit, a matching circuit and an isolation circuit, the composite electrode comprising at least two electrodes a unit and an electrode line, the electrode unit comprising at least an electrical pulse electrode, at least one of the electrode units comprising an electrical pulse electrode and an ultrasonic transducer, the ultrasonic transducer being in surface contact with the electrical pulse electrode and insulated from each other, The other surface of the electric pulse electrode opposite to the surface contact surface is an outer conductive surface of the electric pulse electrode; the ultrasonic transducer is inductively connected to the ultrasonic excitation circuit through the electrode line via a matching circuit and an isolation circuit, the at least two The electric pulse electrode of the electrode unit is divided into at least two groups insulated from each other, and the electric pulse electrodes in each group are connected in series or in parallel, and the at least two groups of electric pulse electrodes are inductively connected to the electric pulse excitation circuit through the electrode line and the isolation circuit. .

 In the therapeutic apparatus of the present invention, the isolation circuit is an inductive coupling coil, the inductive coupling coil includes an input end and an output end, and the inductive coupling coil input end is connected to an output of the ultrasonic excitation circuit / the electric pulse excitation circuit The output end of the inductive coupling coil is connected to the input end of the ultrasonic transducer/the electric pulse electrode via a matching circuit.

In the therapeutic apparatus of the present invention, the number of the ultrasonic excitation circuits is the same as the number of ultrasonic transducers, each The ultrasonic excitation circuit is inductively coupled to an ultrasonic transducer of a corresponding electrode unit through an isolation circuit and a matching circuit.

 In the therapeutic apparatus of the present invention, the ultrasonic excitation circuit is a set, and the isolation circuit is a set, and the isolation circuit includes a pair of input ends and an output output logarithm number equal to the number of the ultrasonic transducers. An input end of the isolation circuit is connected to an output end of the ultrasonic excitation circuit, and an output end of the isolation circuit is respectively connected to an input end of the ultrasonic transducer via the matching circuit.

 In the therapeutic apparatus of the present invention, the electrical pulse excitation circuit is a set, and the isolation circuit is a set, and the isolation circuit includes a pair of input ends and an output logarithm number equal to the mutually insulated electrical pulse electrode group pairing. An output terminal of the "pair" number, an input end of the isolation circuit is connected to an output end of the electric pulse excitation circuit, and an output end of the isolation circuit is respectively connected to an input end of the pair of mutually insulated electric pulse electrode groups; Or the isolation circuit includes a pair of input terminals and a pair of output terminals, the input end of the isolation circuit is connected to the output end of the electric pulse excitation circuit, and the output end of the isolation circuit is switched by the time-division switch at the input of the electric pulse electrode Switch connections between the ends.

 The composite electrode embodying the present invention and the therapeutic apparatus using the same are compared with the prior art, and the beneficial effects are as follows:

 Simultaneous ultrasound therapy and electrical stimulation treatment can be performed at the same treatment site of the patient, so that the patient can obtain a special treatment effect of simultaneously performing two treatments.

 2. A therapeutic apparatus capable of simultaneously performing ultrasonic therapy and electric stimulation therapy at the same treatment site to meet the needs of patients. DRAWINGS

 The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a circuit diagram showing an embodiment of a composite electrode of the invention.

 Figure 2 is a cross-sectional view showing the structure of an embodiment of the composite electrode of the invention.

 Figure 3 is a bottom view of Figure 2.

4 is an embodiment of the connection of an electrical pulse electrode to an electrical pulse isolation circuit in a composite electrode of the present invention. detailed description

 1 to 3 show an embodiment of a composite electrode of the present invention. As shown in FIG. 2, the composite electrode includes two electrode units 100 and 200 and an electrode line 2, the electrode unit 100 includes an electric pulse electrode 14 and an ultrasonic transducer 13, and the electric pulse electrode 14 includes an upper electrode that is in surface contact with each other and electrically connected. The lower surface of the lower electrode plate 141 is the outer conductive surface of the electric pulse electrode 14, and the lower electrode plate 141 is made of a conductive rubber. The upper electrode plate 142 is in the shape of a trough, and the ultrasonic transducer 13 is disposed in the groove-shaped region of the upper electrode plate 142 and is in surface contact with the upper electrode plate 142, and the ultrasonic transducer 13 and the upper electrode plate 142 are insulated from each other.

 The electrode unit 200 includes an electric pulse electrode 24 and an ultrasonic transducer 23 including an upper electrode plate 242 and a lower electrode plate 241 which are electrically connected to each other in contact with each other, and the lower surface of the lower electrode plate 241 is external to the electric pulse electrode 24. The conductive surface, the lower electrode plate 241 is made of a conductive rubber. The upper electrode plate 242 is in the shape of a trough, and the ultrasonic transducer 23 is disposed in the groove-shaped region of the upper electrode plate 242 and is in surface contact with the upper electrode plate 242, and the ultrasonic transducer 23 and the upper electrode plate 242 are insulated from each other.

 As shown in FIG. 1, the ultrasonic transducers 13, 23 are inductively coupled to the ultrasonic excitation circuits 11, 21 via the matching circuits 15, 25 and the isolation circuits 12, 22 via the electrode lines 2, and the electrical pulse electrodes of the two electrode units 100, 200, respectively. 14, 24 are insulated from each other, and the electric pulse electrodes 14, 24 are connected to the electric pulse excitation circuit 32 through the electrode line 2 via the output end of the isolation circuit 31. Thus, when in use, the electrical pulse electrodes 14 and 24 are electrically connected by contact with human skin (the human body is a conductor), so that the output ends of the electrical pulse electrodes 14, 24, the human body and the isolation circuit 31 form a closed loop, realizing the human body. Electrical pulse electrode treatment. The matching circuit acts as a frequency resonance and load matching for the ultrasonic transducer and the ultrasonic excitation circuit.

 The electrode units 100 and 200 are disposed inside the outer casing 1. The outer casing 1 is used to mount the fixed electrode units 100 and 200, and protects the electrode units 100, 200 for ease of use. The outer casing 1 of the present embodiment adopts a trough shape and is provided with an opening. The electrode units 100, 200 are mounted and fixed in the cavity of the outer casing 1, and the outer conductive surfaces of the electric pulse electrodes 14, 24 are disposed on the opening of the groove-shaped outer casing.

The outer conductive surface of the electrical pulse electrodes 14, 24 is the therapeutic surface of the composite electrode. In use, the outer conductive surfaces of the electrical pulse electrodes 14, 24 are contacted with the patient's skin for treatment. Thus, the ultrasonic transducers 13, 23 transmit ultrasonic waves to the electrical pulse electrodes 14, 24, so that the electrical pulse electrodes 14, 24 are simultaneously integrated with ultrasonic waves. And the electrical pulse, the external conductive surface of the electrical pulse electrodes 14, 24 provide both ultrasonic and electrical pulse treatment effects for the same treatment site of the patient.

 In the present embodiment, the outer casing 1 has a groove shape. In other embodiments, in order to meet other practical requirements, the outer casing 1 may also adopt other structural shapes that facilitate the installation of the electrode unit and meet other requirements.

 The outer casing 1 in this embodiment is not essential for achieving the object of the invention. That is, in other embodiments, the object of the invention can be achieved without using the outer casing 1.

 In the present embodiment, the upper electrode plates 142, 242 are groove-shaped, which facilitates the installation of the ultrasonic transducers 13, 23 in their channel structure. In other embodiments, the upper electrode plates 142, 242 may also take other structural forms such as a sheet structure, an L-shaped plate structure, and the like.

 In other embodiments, the lower electrode plates 141, 241 may be self-adhesive conductive rubber.

 In other embodiments, the electric pulse electrode may be only the upper electrode plate, and the lower surface of the upper electrode plate is the outer conductive surface of the electric pulse electrodes 14, 24, and the object of the invention may also be achieved.

 In the present embodiment, both of the electrode units 100 and 200 employ a structure in which an ultrasonic transducer is combined with an electric pulse electrode. In other embodiments, the structure in which the ultrasonic transducer is combined with the electric pulse electrode can be used in only one electrode unit, and the other electrode unit uses an electric pulse electrode, and the object of the invention can also be achieved.

 In this embodiment, the isolation circuit 12, 22, 31 uses an inductive coupling coil, the inductive coupling coil includes an input end and an output end, and the inductive coupling coil input end is connected to an output end of the ultrasonic excitation circuit/electric pulse excitation circuit, and the inductive coupling coil output The end matching circuit is connected to the input of the ultrasonic transducer or directly to the input of the electrical pulse electrode.

 In this embodiment, the isolation circuit 12, 22, 31 adopts the induction principle of the input coil and the output coil of the transformer to realize the signal connection between the input end and the output end, so as to prevent the utility grid voltage used by the therapeutic apparatus from directly acting on the human body. To improve the safety of the therapeutic device, and at the same time, to avoid the mutual interference generated by the loop formed between the electric pulse electrode and the electrode of the ultrasonic transducer, and to ensure the normal operation of the electric pulse circuit and the ultrasonic circuit.

 In other embodiments, the isolation circuits 12, 22, 31 may also employ other sensing structures to achieve the above objectives.

In other embodiments, the two ultrasonic transducers of the composite electrode may be inductively coupled to an ultrasonic excitation circuit using an isolation circuit, wherein the isolation circuit includes a pair of input terminals and two pairs of output terminals. The pair of input ends are coupled to the output of the ultrasonic excitation circuit, and the two pairs of output terminals are respectively coupled to the input ends of the two ultrasonic transducers of the composite electrode via a matching circuit.

 This embodiment shows a composite electrode using two electrode units. In other embodiments, the composite electrode can employ three electrode units or multiple electrode units. When three electrode units or a plurality of electrode units are used, the electric pulse electrodes in the electrode unit are divided into at least two groups (such as two groups, three groups, four groups, etc.) insulated from each other, and the electric pulse electrodes in each group are connected in series with each other. Or connected in parallel, the at least two sets of electrical pulse electrodes are connected to the output end of the isolation circuit through the electrode line 2 to realize an inductive connection with the electric pulse excitation circuit.

 When the composite electrode uses three or more electrode units, the ultrasonic transducer of each electrode unit can be inductively connected to a single pair of input/single pair output isolation circuit and an ultrasonic excitation circuit through a matching circuit, respectively, and the isolation circuit is The input end is connected to the output end of the ultrasonic excitation circuit, and the output end is connected to the input end of the ultrasonic transducer via a matching circuit.

 When the composite electrode uses three or more electrode units, the ultrasonic transducer of each electrode unit can also be inductively connected to an ultrasonic excitation circuit through a matching circuit and a single pair of input/multiple output isolation circuits through a matching circuit. At this time, the input end of the isolation circuit is connected to the output end of the ultrasonic excitation circuit, and the plurality of pairs of output terminals are respectively connected to the input end of each ultrasonic transducer via a matching circuit, and the number of "pairs" at the output end of the isolation circuit is equal to the ultrasonic transducer. quantity.

 When the electric pulse electrode of the composite electrode is divided into three or more groups insulated from each other, a set of electric pulse excitation circuit and a set of isolation circuit may be used, and the isolation circuit includes a pair of input terminals and an output pulse number equal to each other. The output terminal of the "pair" of the pair of electrodes, the input of the isolation circuit is connected to the output of the electrical pulse excitation circuit, and the output of the isolation circuit is respectively connected to the input terminal of the mutually insulated electrical pulse electrode group.

 When the electric pulse electrode of the composite electrode is divided into three or more groups insulated from each other, an "opposite" number of electric pulse excitation circuits paired with mutually insulated electric pulse electrode groups may be used, and each electric pulse excitation circuit passes through a single The isolation circuits for the input/single pair of outputs are each coupled to a pair of paired mutually insulated electrical pulse electrode sets.

When the composite electrode uses more than three electric pulse electrodes, a set of electric pulse excitation circuit and a set of isolation circuit can be used to connect the electric pulse electrodes through the time-sharing switch to achieve the purpose of simplifying the structure. As shown in FIG. 4, an example of four electric pulse electrodes, the electric pulse electrodes 14, 24 pass the time division switch 41 is switched. When the electric pulse electrodes 34, 44 are excessive, the switch 42 is switched and connected, and then connected to the electric pulse excitation circuit 32 via the isolation circuit 31.

 The therapeutic apparatus of the present invention includes a composite electrode, an ultrasonic excitation circuit, an electrical pulse excitation circuit, a matching circuit, and an isolation circuit. The composite electrode can employ various embodiments as described above. As shown in Fig. 1, an embodiment of two electrode units, the ultrasonic transducers 13, 23 of the composite electrode are inductively connected to the ultrasonic excitation circuits 11, 21 via the matching lines 15, 25 and the isolation circuits 12, 22, respectively, via the electrode lines 2. The electric pulse electrodes 14, 24 are inductively connected to the electric pulse excitation circuit 32 via the isolation circuit 31 via the electrode line 2.

 The embodiment of the composite electrode of the therapeutic apparatus of the present invention and the ultrasonic transducer coupled to the ultrasonic excitation circuit of the composite electrode, and the embodiment of the connection of the electrical pulse electrode and the electric pulse excitation circuit of the composite electrode are as described above.

Claims

Claim What is claimed is: 1. A composite electrode comprising: at least two electrode units and electrode lines, the electrode unit comprising at least an electrical pulse electrode, at least one of the electrode units comprising an electrical pulse electrode and an ultrasonic transducer, the ultrasound The transducer is in surface contact with the electrical pulse electrode and insulated from each other, and the other surface of the electrical pulse electrode opposite to the surface contact surface is an outer conductive surface of the electrical pulse electrode; the ultrasonic transducer is matched by the electrode wire The circuit and the isolation circuit are inductively connected to the ultrasonic excitation circuit, and the electrical pulse electrodes of the at least two electrode units are divided into at least two groups insulated from each other, and the electric pulse electrodes in each group are connected in series or in parallel, the at least two groups of electrical pulses The electrode is inductively coupled to the electrical pulse excitation circuit through the electrode line and the isolation circuit.  2. The composite electrode according to claim 1, wherein: said electric pulse electrode is in a trough shape, and said ultrasonic transducer is located in a groove of said electric pulse electrode.  The composite electrode according to claim 1 or 2, wherein: the electric pulse electrode comprises a first electrode plate and a second electrode plate which are electrically connected to each other in contact with each other, and the second electrode plate material is a conductive rubber a surface of the second electrode plate opposite to the first electrode plate contact surface is an outer conductive surface of the electrical pulse electrode; when the electrode unit includes an ultrasonic transducer, the first electrode plate The ultrasonic transducers are in surface contact and insulated from each other.  The composite electrode according to claim 3, wherein the conductive rubber is a self-adhesive conductive rubber.  5. The composite electrode according to claim 3, comprising: a casing comprising a port, the electrode unit being mounted in the casing, the outer conductive surface of the electric pulse electrode being disposed on the casing opening . 6. A therapeutic apparatus, comprising: a composite electrode, an ultrasonic excitation circuit, an electrical pulse excitation circuit, a matching circuit, and an isolation circuit, the composite electrode comprising at least two electrode units and electrode lines, the electrode unit comprising at least electricity a pulse electrode, at least one of the electrode units comprising an electrical pulse electrode and an ultrasonic transducer, the ultrasonic transducer being in surface contact with the electrical pulse electrode and insulated from each other, the surface contacting the other surface of the opposite electrical pulse electrode An external conductive surface of the electric pulse electrode; the ultrasonic transducer is inductively connected to the ultrasonic excitation circuit through the matching circuit and the isolation circuit through the electrode line, the at least two The electric pulse electrodes of the electrode units are divided into at least two groups insulated from each other, and the electric pulse electrodes in each group are connected in series or in parallel, and the at least two sets of electric pulse electrodes are induced by the electrode lines and the isolation circuit and the electric pulse excitation circuit. connection.  7. The therapeutic apparatus according to claim 6, wherein: the isolation circuit is an inductive coupling coil, the inductive coupling coil includes an input end and an output end, and the inductive coupling coil input end is connected to the ultrasonic excitation circuit/ The output end of the electric pulse excitation circuit is connected to the input end of the ultrasonic transducer/the electric pulse electrode via a matching circuit.  8. The therapeutic apparatus according to claim 6, wherein: the number of the ultrasonic excitation circuits is the same as the number of ultrasonic transducers, and each set of ultrasonic excitation circuits passes through an isolation circuit and a matching circuit and a corresponding electrode unit. The ultrasonic transducer senses the connection.  9. The therapeutic apparatus according to claim 6, wherein: said ultrasonic excitation circuit is a set, said isolation circuit is a set, and said isolation circuit comprises a pair of input ends and an output logarithm number equal to said ultrasound An output of the number of transducers, an input of the isolation circuit is coupled to an output of the ultrasonic excitation circuit, and an output of the isolation circuit is coupled to an input of the ultrasonic transducer via the matching circuit.  10. The therapeutic apparatus according to claim 6, wherein: said electrical pulse excitation circuit is a set, said isolation circuit is a set, and said isolation circuit comprises a pair of input terminals and an output logarithm number equal to said a pair of output terminals of the mutually insulated electrical pulse electrode set, the input of the isolation circuit being coupled to the output of the electrical pulse excitation circuit, the output of the isolation circuit being separately insulated from the electrical pulse The input terminal of the electrode pair is connected; or the isolation circuit includes a pair of input terminals and a pair of output terminals, the input end of the isolation circuit is connected to the output end of the electric pulse excitation circuit, and the output end of the isolation circuit passes the time division The switch is switched between the inputs of the electrical pulse electrodes.