Abstract:
A method for interferential current stimulation by complex active regions, in which the method is adapted to generate low frequency interference active regions formed of staggered electric flux lines by disposing electrodes to stimulate specific parts of a human body by supplying electricity is provided. The method includes following steps: providing a power supply section configured to supply power having two different frequencies including a first frequency power source and corresponding electrical wires thereof and a second frequency power source and corresponding electrical wires thereof; and providing an electrode disposing section configured to provide plural electrodes respectively connected to the first frequency power source and the second frequency power source via the corresponding electrical wires, and interfere each other for generating plural low frequency active regions provided for stimulating a specific part of the human body to achieve the effect of curing various symptoms and muscle trainings.

Description:
CROSS-REFERENCE TO RELATED APPLICATION 
       [0001]    This application claims the priority benefit of Taiwanese Patent Application No. 104144111, filed on Dec. 28, 2015. The entirety of the above-mentioned patent application is hereby incorporated by reference herein and made a part of this specification. 
       BACKGROUND OF THE INVENTION 
       [0002]    Field of the Invention 
         [0003]    The invention relates to a method for interferential current stimulation by complex active regions, and particularly relates to a method for interferential current stimulation by complex active regions adapted to generate a plurality of low frequency interference active regions formed of a plurality of staggered electric flux lines by disposing a plurality of electrodes so as to stimulate a plurality of specific parts of a human body by supplying electricity. 
         [0004]    Background 
         [0005]    In recent years, with a lot of innovative progresses in human body clinical experiments for electrical stimulating physical therapies, in addition to therapies originally acting on muscles, nerves and muscle trainings with interferential current stimulations, physical therapies with interferential current stimulations can also activate the lymph, circulating the blood, boosting metabolisms and improving detoxifications. In addition, by stimulating the nerve tissue in the human body with currents, it is able to generate endorphins and serotonins or even adjust nerves. At the end of the 20th century and 2the first century as today, such technology has gradually applied to various diseases caused by pelvic cavity dysfunctions and symptoms including such as excretory disorders, urinary incontinences, sexual dysfunctions, muscle looseness after prostate surgery and uterus muscles looseness after giving birth, etc. Interferential current stimulations can even provide excellent therapies to other fields such as some physical muscle trainings like core muscles strengthening of human bodies and cyst fluid circulation of joints which preventing the degeneration of joints. Therefore, the physical therapy method with interferential current stimulations nowadays has been commonly applied to joints, abdomens, pelvic cavities, and body support core muscles in the pelvic cavity (including abdominis, lumbar, pelvic floor muscles). Moreover, the method of interferential current stimulation therapy of pelvic cavity and trainings of core muscles also demonstrates great significance in the treatment for different shapes of gastrointestinal, excretory, reproductive organs stack with each other in the abdomen and pelvis. 
         [0006]    Nevertheless, these abdomens, pelvic cavities, even every joint of the human body are of certain depths in human bodies. General speaking, the interferential current stimulation therapy method uses a high frequency current within thousands to tens of thousands Hz in human bodies or the deep parts of joints with the characteristic of low resistance in human bodies; then the interfering method is used to generate a low-frequency interference inside the body in order to conduct an interferential current stimulation therapy. Due to the diversity of the applications of the interferential current stimulation therapy method, such method often requires different angles of stimulations for different organs such as pain killing points for knee joints are around the patella; the metabolism is at popliteus. As a result, the active angle of interferential current stimulations needs to be orthogonal with the inner patella to stimulate lymph and promote blood circulations in joints. Also, there are treatments for a single symptom that requires stimulating a plurality of organs with currents. For example, not only pelvic floor muscles but also pudendal nerves of coccyx area need to be strengthened with interferential current stimulations for urinary incontinences to improve frequency urinations and failing to control impulse urinations. However, currently, for the treatment of different parts of the same organ or a plurality of organs, the interferential current stimulation on only a specific portion for a single region is used. 
         [0007]    In general, an interferential current stimulation treatment method uses a plurality of electrodes for attaching onto on appropriate positions of bodies in order to generate effects based on shapes and locations of organs to form a single active region and to achieve effective treatment of symptoms, which is also known as IFC (Interferential Current Stimulation). The basic operating theories and methods of IFC normally have an interferential current stimulation active frequency (under 200 Hz) for human bodies. But when a current frequency below 200 Hz is active in a human body, the electrical impedance in human body is over thousands of Ohm. The overly high electrical impedance causes most of the currents to be consumed in the skin layer without traveling deeper. However, the frequency that can penetrate into human bodies with thousands of Hz acting on human bodies but only requires an electrical impedance level below 100 Ohm. Although the use of such type of frequency allows penetration into bodies, overly high frequency of currents would not generate effects on human bodies. Therefore, two current frequencies of thousands Hz are utilized to generate interferences inside bodies in order to generate currents with a lower frequency in a specific portion or an organ such that the effect of interferential current stimulations can be achieved. For example: inside the active region 100 Hz (4100 Hz-4000 Hz) can generate (below 200 Hz) the effect of interferential current stimulations when two frequencies of 4000 Hz and 4100 Hz have an interference inside the body. 
         [0008]    Such use of the characteristic of interferential current stimulation capable of penetrating into bodies deeply by adding a few pieces of electrodes in the interferential current stimulation system of a single interference active region with electrical wires is able to generate a plurality of active regions; in addition, according to the body parts which have electrodes attached thereto, combinations of various types of shapes and angles can be formed to apply a plurality of interferential current stimulations therapy on a single organ at different angles or for a plurality of organs. 
       SUMMARY OF THE INVENTION 
       [0009]    The present invention provides a method for interferential current stimulation by complex active regions, which is adapted to generate a plurality of low frequency interference active regions formed of a plurality of staggered electric flux lines by disposing a plurality of electrodes so as to stimulate a plurality of specific parts of a human body by supplying electricity. The method for interferential current stimulation by complex active regions includes following steps: providing a power supply section configured to supply power having two different frequencies, in which the power supply section includes a first frequency power source, comprising the current between 1,000 Hz and 10,000 Hz and corresponding electrical wires; and a second frequency power source, comprising a physiological frequency source between the region of decreasing or increasing less than 200 Hz of first frequency power source and comprising corresponding electrical wires; and providing an electrode disposing section configured to provide a plurality of electrodes respectively connected to the first frequency power source and the second frequency power source via the corresponding electrical wires, wherein the electrode disposing section includes: a first electrode electrically connected to the first frequency power source via a corresponding electrical wire and disposed on a specific position; a second electrode electrically connected to the second frequency power source via a corresponding electrical wire and disposed on a specific position that forming a first electric flux line with the first electrode; a third electrode electrically connected to the first frequency power source via a corresponding electrical wire and disposed on a specific position that forming a second electric flux line with the second electrode; a fourth electrode electrically connected to the second frequency power source via a corresponding electrical wire and disposed on a specific position; a fifth electrode electrically connected to the second frequency power source via a corresponding electrical wire and disposed on a specific position that forming a third electric flux line with the fourth electrode; and a sixth electrode electrically connected to the second frequency power source via a corresponding electrical wire and disposed on a specific position that forming a fourth electric flux line with the fifth electrode, wherein the first and the third electric flux lines interfere each other for generating a first low frequency active region provided for stimulating a specific part of the human body; and wherein the second and the fourth electric flux lines interfere each other for generating a second low frequency active region provided for stimulating another specific part of the human body. The electrode disposing section further includes a seventh electrode electrically connected to the first frequency power source via a corresponding electrical wire and disposed on a specific position to form a fifth electric flux line with one of the second and the third electrodes; and an eighth electrode electrically connected to the second frequency power source via a corresponding electrical wire and disposed on a specific position to form a sixth electric flux line with one of the fifth and the sixth electrodes. The first and the third electric flux lines interfere each other to generate a first low frequency active region for stimulating a specific part of the human body. The second and the fourth electric flux line interfere each other to generate a second low frequency active region for stimulating a specific part of the human body. The fifth and the sixth electric flux lines interfere each other to generate a third low frequency active region for stimulating a specific part of the human body. 
         [0010]    In view of the above, with the use of the characteristic of penetrating deeply into human bodies with two high-frequency currents interfere crisscrossingly along with the addition of a plurality of pieces of electrodes with electrical wires in a single interferential active region current stimulation system, a plurality of active regions can be generated. In addition, according to the body parts with electrodes attached thereto, various shapes and angles can be combined in order to conduct a plurality of interferential current stimulations therapy to a single organ with different angles or a plurality of organs. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0011]    The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention. 
           [0012]      FIG. 1A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating a retus abdominis area and a back muscle area. 
           [0013]      FIG. 1B  illustrates a schematic diagram of interferential current stimulation electrode positions and active regions thereof for stimulating a retus abdominis area. 
           [0014]      FIG. 1C  illustrates a schematic diagram of interferential current stimulation electrode positions and active regions thereof for stimulating a back muscle area. 
           [0015]      FIG. 1D  illustrates an electrode power supply wiring diagram for the retus abdominis area and the back muscle area. 
           [0016]      FIG. 2A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating a retus abdominis area and levator ani muscles. 
           [0017]      FIG. 2B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating a retus abdominis area and levator ani muscles. 
           [0018]      FIG. 2C  illustrates an electrode power supply wiring diagram for a retus abdominis area and levator ani muscles. 
           [0019]      FIG. 3A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating a joint portion. 
           [0020]      FIG. 3B  illustrates a front view of interferential current stimulation electrode positions and active regions thereof for stimulating a joint portion. 
           [0021]      FIG. 3C  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating a joint portion. 
           [0022]      FIG. 3D  illustrates an interferential current stimulation power supply wiring diagram for stimulating a joint portion. 
           [0023]      FIG. 3E  illustrates an interferential current stimulation power supply wiring diagram for stimulating specific positions on a lateral joint. 
           [0024]      FIG. 3F  illustrates an interferential current stimulation power supply wiring diagram for stimulating specific positions on medial joint. 
           [0025]      FIG. 4A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating lower abdomen and levator ani muscles. 
           [0026]      FIG. 4B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating lower abdomen and levator ani muscles. 
           [0027]      FIG. 4C  illustrates an electrode power supply wiring diagram for lower abdomen and levator ani muscles. 
           [0028]      FIG. 5A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating lower abdomen, uterus and levator ani muscles. 
           [0029]      FIG. 5B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating lower abdomen, uterus and levator ani muscles. 
           [0030]      FIG. 5C  illustrates an electrode power supply wiring diagram for lower abdomen, uterus and levator ani muscles. 
           [0031]      FIG. 5D  illustrates an electrode power supply wiring diagram for lower abdomen. 
           [0032]      FIG. 5E  illustrates an electrode power supply wiring diagram for levator ani muscles. 
           [0033]      FIG. 5F  illustrates an electrode power supply wiring diagram for uterus. 
           [0034]      FIG. 6A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating uterus and levator ani muscles. 
           [0035]      FIG. 6B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating uterus and levator ani muscles. 
           [0036]      FIG. 6C  illustrates an electrode power supply wiring diagram for uterus and levator ani muscles. 
           [0037]      FIG. 7A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating uterus, levator ani muscles and pudendal nerves of sacrum and coccyx. 
           [0038]      FIG. 7B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating uterus, levator ani muscles and pudendal nerves of the sacrum and coccyx. 
           [0039]      FIG. 7C  illustrates a power switching schematic diagram of electrodes for stimulating uterus and levator ani muscles. 
           [0040]      FIG. 7D  illustrates a perspective view of interferential current stimulation electrode positions and active regions thereof for stimulating pudendal nerves of sacrum and coccyx. 
           [0041]      FIG. 7E  illustrates a power switching schematic diagram of electrodes for stimulating uterus and pudendal nerves of sacrum and coccyx. 
           [0042]      FIG. 7F  illustrates corresponding electrodes and active regions thereof of uterus. 
       
    
    
     DESCRIPTION OF EMBODIMENTS 
       [0043]    Reference will now be made in detail to the present preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts. 
         [0044]    The method for interferential current stimulation by complex active regions of the present embodiment generates two low frequency active regions based on the configuration of six pieces of electrodes and corresponding electrical wires thereof, in which the arrangement position of the electrodes change along with the subject part or organs of the human body, such that the joint surface of the active regions may have an appropriate angle for attaching a specific site to be stimulated. Moreover, based on the interferential current stimulation method using six pieces of electrodes, a third low frequency active region can be formed by adding two additional electrodes, therefore, the variety of applications for the interferential current stimulation method on each part of the body in the present embodiment can be achieved with advantageous effects as describe in detail below. 
         [0045]    As shown in  FIGS. 1A, 1B, 1C and 1D ,  FIG. 1A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating a Fetus abdominis area and a back muscle area. Since the shape of the retus abdominis area  11  and the back muscle area  12  are slender, only a single low frequency active region cannot fully cover these areas. The present method utilizes six pieces of electrodes to form two low frequency active regions for fully covering the retus abdominis area and the back muscle area.  FIGS. 1B and 1C  illustrate schematic diagrams of an interferential current stimulation method using six pieces of electrodes respectively applied to a retus abdominis area and a back muscle area.  FIG. 1D  illustrates an electrode power supply wiring diagram for the retus abdominis area and the back muscle area. Referring to  FIG. 1D , both ends of the first frequency power source  2   a  are electrically connected, via the corresponding electrical wires, to the first electrode  31  and the second electrode  32 , respectively, in which the first electrode  31  is further connected to the third electrode  33  so as to generate the first electric flux line  3   a  and the second electric flux line  3   b . In addition, both ends of the second frequency power source  2   b  are electrically connected, via the corresponding electrical wires, to the fourth electrode  34  and the fifth electrode  35 , respectively, in which the fourth electrode  34  is further connected to the sixth electrode  36  so as to generate the third electric flux line  3   c  and the fourth electric flux line  3   d . The first electric flux line  3   a  and the third electric flux line  3   c  interfere each other for generating a first low frequency active region  41 . Also, the second electric flux line  3   b  and the fourth electric flux line  3   d  interfere each other for generating a second low frequency active region  42 . The first low frequency active region  41  and the second low frequency active region  42  are vertically arranged when attaching the human body so as to stimulate the retus abdominis area  11  or the back muscle area  12  of the human body  1 . 
         [0046]    In addition to stimulate the retus abdominis area  11  and the back muscle area  12 , the core muscle also includes levator ani muscles  13 , in which the levator ani muscles  13  have significant functions in the movements, postures and shaping of the human body. In particularly, for office workers who sit in offices all day without exercising and with poor postures, such muscles are likely to develop hack pains and obesity. Core muscle trainings are able to improve postures and eliminate the back pains. 
         [0047]    As shown in  FIGS. 2A, 2B and 2C , based on the electrodes configuration for stimulating the retus abdominis area  11  and the back muscle area  12 , the present embodiment further provides the seventh electrode  37  and the eighth electrode  38  for interfering the original electrodes to generate the third low frequency active region  43  and stimulate the levator ani muscles  13  of the human body  1 .  FIG. 2A  illustrates a schematic diagram of current stimulation active regions for stimulating a retus abdominis area and levator ani muscles.  FIG. 2B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating a retus abdominis area and levator ani muscles.  FIG. 2C  illustrates an electrode power supply wiring diagram for a retus abdominis area and levator ani muscles. In the present embodiment, the seventh electrode  37  and the eighth electrode  38  are respectively powered by the first frequency power source  2   a  and the second frequency power source  2   b  via the corresponding electrical wires; and the seventh electrode  37  and the eighth electrode  38  are respectively disposed on both sides beneath a hip area of the human body  1 . The fifth electric flux line  3   e  is formed by the seventh electrode  37  and the third electrode  33 , and the sixth electric flux line  3   f  is formed by the eighth electrode  38  and the sixth electrode  36 . The fifth electric flux line  3   e  and the sixth electric flux line  3   f  interfere each other for generating a third low frequency active region  43  provided for stimulating the levator ani muscles  33  of the human body  1 . 
         [0048]    The interferential current stimulation method of the present embodiment can also be applied to joint portion  14  of the human body. Common degenerative joint diseases include the symptoms of pains and swelling. In general, the painful points of the joint portion  14  are the painful points around the front knee cap. Most swellings often occur at the arteries and lymph within the joint portions, and these portions are at the medial joint  14   b . Therefore, low frequency active region is required to cover the portions of the lateral joint  14   a  and the medial joint  14   b.    
         [0049]    As shown in  FIGS. 3A, 3B and 3C ,  FIG. 3A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating a joint portion, and  FIGS. 3B and 3C  respectively illustrate a front view and a side view of interferential current stimulation electrode positions and active regions covered perpendicular to the interferential current stimulation for joint portions. 
         [0050]    As shown in  FIGS. 3D, 3E and 3F ,  FIG. 3D  illustrates an interferential current stimulation power supply wiring diagram for stimulating a joint portion,  FIG. 3E  illustrates an interferential current stimulation power supply wiring diagram for stimulating specific positions on a lateral joint, and  FIG. 3F  illustrates an interferential current stimulation power supply wiring diagram for stimulating specific positions on medial joint, in which the first electrode  31 , the second electrode  32 , the fourth electrode  34 , and the fifth electrode  35  are respectively disposed on a plurality specific positions within a lateral joint  14   a  area of the human body  1 , and the third electrode  33  and the sixth electrode  36  are respectively disposed on a plurality specific positions within a medial joint  14   b  area of the human body  1 . The fifth electric flux line  3   e  is formed by the third electrode  33  and the first electrode  31 , and the sixth electric flux line  3   f  is formed by the sixth electrode  36  and the fourth electrode  34 . The fifth electric flux line  3   e  and the sixth electric flux line  3   f  interfere each other for generating a third low frequency active region  43  provided for stimulating lymph and blood at the joint portion  14  of the human body, in which the joint portion  14  includes knees, shoulders, wrists and ankles, etc. 
         [0051]    In addition, women at work nowadays are often lack of exercises, leading to weaknesses in the lower abdomen  11   b  and the levator ani muscles  13 , discomfort in excretion and urination as well as unfit body shapes. Furthermore, malposition and dystocia during pregnancy often occur in women with weak levator ani muscles. Therefore, since the interferential current stimulation active regions of the present embodiment can stimulate the lower abdomen  11   b  and the levator ani muscles  13 , the effects of shrinking the lower abdomen  11   b  and to strengthen levator ani muscles  13  can be achieved. Also, the effects of weight-loss and beautifying figure can be achieved. 
         [0052]    As shown in  FIGS. 4A, 4B and 4C ,  FIG. 4A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating lower abdomen and levator ani muscles,  FIG. 4B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating lower abdomen and levator ani muscles, and  FIG. 4C  illustrates an electrode power supply wiring diagram for lower abdomen and levator ani muscles. The first electrode  31 , the second electrode  32 , the fourth electrode  34 , and the fifth electrode  35  are respectively disposed on a plurality of specific positions within a periphery area of the lower abdomen  11   b  of the human body  1 , so that the periphery area of the lower abdomen  11   b  can be stimulated by the first low frequency active region  41 . In addition, the third electrode  33  and the sixth electrode  36  are respectively disposed on both sides beneath the hip area of the human body  1  for stimulating the levator ani muscles  13  of the human body  1 . 
         [0053]    A Common rehabilitation method for postpartum recovering is to assist the contraction movement of the uterus  15  in order to enhance the metabolism and to eliminate unnecessary hormones as well as to repair damages from giving birth. By strengthening the levator ani muscles  13 , urinary incontinences and the falling of uterus  15  can be prevented. Moreover, it is also important to shrink the lower abdomen  13  in body shaping and to improve waist pains. Consequently, the lower abdomen  11   b , uterus  15  and the levator ani muscles  13  all need to be treated with interferential current stimulations at the same time. 
         [0054]    As shown in  FIGS. 5A, 5B, 5C, 5D, 5E and 5F , based on the electrodes configuration for stimulating the lower abdomen  11   b  and the levator ani muscles  13 , the present embodiment further provides the seventh electrode  37  and eighth electrode  38  in order to form a third low frequency active region  43  for stimulating uterus  15 .  FIG. 5A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating lower abdomen, uterus and levator ani muscles.  FIG. 5B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating lower abdomen, uterus and levator ani muscles.  FIG. 5C  illustrates an electrode power supply wiring diagram for lower abdomen, uterus and levator ani muscles.  FIG. 5D  illustrates an electrode power supply wiring diagram for lower abdomen.  FIG. 5E  illustrates an electrode power supply wiring diagram for levator ani muscles.  FIG. 5F  illustrates an electrode power supply wiring diagram for uterus. The seventh electrode  37  and the eighth electrode  38  are respectively powered by the first frequency power source  2   a  and the second frequency power source  2   b  via the corresponding electrical wires. The seventh electrode  37  and the eighth electrode  38  are respectively disposed on both sides at a sacrum and coccyx area of the human body  1 . A fifth electric flux line  3   e  is formed by the seventh electrode  37  and the second electrode  32 , and a sixth electric flux line  3   f  is formed by the eighth electrode  38  and the fifth electrode  35 . The fifth electric flux line  3   e  and the sixth electric flux line  3   f  interfere each other for generating a third low frequency active region  43  provided for stimulating the uterus area  15  of the human body  1 . 
         [0055]    According to medical researches, approximately half of all postnatal women have dysmenorrhea. Dysmenorrhea would generate pain not only at the abdomen  11   a  but also waist area. The interferential current stimulation method is able to relieve pains, activate cells around uterus  15  and enhance metabolisms of lymph as well as blood and eliminate prostaglandin or other unnecessary hormones associated with the pain. 
         [0056]    As shown in  FIGS. 6A, 6B and 6C ,  FIG. 6A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating uterus and levator ani muscles,  FIG. 6B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating uterus and levator ani muscles, and  FIG. 6C  illustrates an electrode power supply wiring diagram for uterus and levator ani muscles. The second electrode  32  and the fifth electrode  35  are respectively disposed on both sides at lower abdomen  11  of the human body  1  and the first electrode  31  and the fourth electrode  34  are respectively disposed on both side at a sacrum and coccyx area of the human body  1 , so that the uterus area  15  of the human body can be stimulated by the first low frequency active region  41 . The third electrode  33  and the sixth electrode  36  are respectively disposed on both sides beneath the hip area of the human body  1 , so that levator ani muscles  13  of the human body  1  can be stimulated by the second low frequency active region  42 . 
         [0057]    Moreover, the pelvic dysfunctions refer to injuries or weakness of pelvic floor muscles and urinary, excretory malfunctions, falling of uterus  15 , incontinences, or even sexual disorders caused by the disorders of pudendal nerves of coccyx area. Typically, various types of interferential current stimulations needs to be applied to the uterus  15 , the levator ani muscles  13  and the pudendal nerves of coccyx area  16  in order to improve the muscles at these areas of the body. 
         [0058]    As shown in  FIGS. 7A, 7B, 7C, 7D, 7E and 7F , based on the electrodes configuration for stimulating the uterus  15  and the levator ani muscles  13 , the present embodiment further provides a first switching switch  330  and a second switching switch  360 , configured to switch the power sources having different frequencies for the third electrode  33  and the sixth electrode  36 , in which the electric flux line established between the third electrode  33  and the fourth electrode and the electric flux line established between the sixth electrode  36  and the first electrode  31  interfere each other, so as to form a third low frequency active region  43  for stimulating pudendal nerves  16  of the sacrum and coccyx.  FIG. 7A  illustrates a schematic diagram of interferential current stimulation active regions for stimulating uterus, levator ani muscles and pudendal nerves of sacrum and coccyx.  FIG. 7B  illustrates a side view of interferential current stimulation electrode positions and active regions thereof for stimulating uterus, levator ani muscles and pudendal nerves of the sacrum and coccyx.  FIG. 7C  illustrates a power switching schematic diagram of electrodes for stimulating uterus and levator ani muscles.  FIG. 7D  illustrates a perspective view of current stimulation electrode positions and active regions thereof for stimulating pudendal nerves of sacrum and coccyx.  FIG. 7E  illustrates a power switching schematic diagram of electrodes for stimulating uterus and pudendal nerves of sacrum and coccyx.  FIG. 7F  illustrates corresponding electrodes and active regions thereof of uterus. The third electrode  33  further includes a first switching switch  330  and corresponding electrical wires, and the third electrode  33  is switched to be powered by the second frequency power source  2   b  when the first switching switch is switched from the first switching circuit  33   a  to the second switching circuit  33   b . The sixth electrode  36  further includes a second switching switch and corresponding electrical wires, and the sixth electrode  36  is switched to be powered by the first frequency power source  2   a  when the second switching switch is switched from the third switching circuit  36   a  to the fourth switching circuit  36   h . In addition, the second electrode  32  further includes a first cut-off switch  320  and corresponding electrical wires, and the first frequency power source  2   a  stops to supply power to the second electrode  32  when the first cut-off switch  320  is switched from a first switching position  32   a  to a second switching position  32   b . The fifth electrode  35  further includes a second cut-off switch  350  and corresponding electrical wires, and the second frequency power source  2   b  stops to supply power to the fifth electrode  35  when the second cut-off switch  350  is switched from the third switching position  35   a  to the fourth switching position  35   b . The cut-off switches of the second electrode  32  and the fifth electrode  35  are turned-on when the switching switches of the third electrode  33  and the sixth electrode  36  are turned-on, so that a fifth electric flux line  3   e  is formed by the sixth electrode  36  and the first electrode  31  and a sixth electric flux line  3   f  is formed by the third electrode  33  and the fourth electrode  34 . The fifth electric flux line  3   e  and the sixth electric flux line  3   f  interfere each other for generating a third low frequency active region  43  provided for stimulating pudendal nerves  16  of sacrum and coccyx. 
         [0059]    To sum up, the objective of the present invention is to provide an interferential current stimulation system. In comparison to the known interferential current stimulation methods, the present invention requires the addition of only two to four electrodes configured in said interferential current stimulation system in order to form a plurality of low-frequency active regions. The key feature relies in the formation of specific shapes and angles at the joints of a plurality of active regions matching with different angles and sides of a single organ or a plurality of organs in order to widely cover organs acting on a plurality of interferential current stimulations as well as to achieve the effect of curing various symptoms and muscle trainings by attaching electrodes onto specific portions of the body. The above electrode fixing methods can be used on the specific positions of pelvic girdles, protective gears and flexible fabrics. An effective interferential current stimulation therapy is in progress correctly when these fixtures are put on. 
         [0060]    It will be apparent to those skilled in the art that various modifications and variations can be made to the structure of the invention without departing from the scope or spirit of the invention. In view of the foregoing, it is intended that the invention cover modifications and variations of this invention provided they fall within the scope of the following claims and their equivalents.