fig1 illustrates magnetic flux lines 30 emanating from a single air core antenna coil 10 wound with a substantial number of turns of electrical wire , preferably copper , with coil windings 20 arranged in a generally concentric pattern . when energized with electric current , the coil forms an electromagnet with a north magnetic pole 40 and a south magnetic pole 50 having a region of relatively high flux density in a high - field region 32 . by convention of magnetic flux direction , flux lines such as outboard flux line 52 flow from north to south indicated by flux direction arrow 45 . inner flux line 54 originates near the inner diameter of coil 10 whereas outboard flux line 52 originates from a location closer to the axis 15 of coil 10 . fig2 is a three - dimensional representation of the electromagnet high - field region 32 depicted as a surface that illustrates the depth of penetration of the high - field region . at surface 32 all flux within that solid boundary is of an intensity value greater than at the surface , and provides a graphic indication of the relative penetration of an arbitrary level of magnetic flux relative to the size of coil 10 . fig3 illustrates a preferred embodiment of the instant invention digital electromagnetic pulse generator ( demp ) system 110 , including power source 130 , power connection 140 , demp control unit 120 , antenna cable 240 , connected to two antenna coils 10 . the two antenna coils are preferably arranged on opposing sides of a patient &# 39 ; s arm 270 to create , upon excitation , two electromagnets and cause a strong magnetic field illustrated by magnetic flux lines 34 to pass therethrough . electrical current flowing into coils 10 through source conductors 250 and returning through return conductors 260 create north poles 40 and south poles 50 . when the amplitude of current flow changes , a varying magnetic field is created within the patient &# 39 ; s arm 270 to create therapeutic faraday currents within the arm . although two antenna coils are shown , a plurality of antenna pairs may be employed , and may be oriented in a variety of orientations within the scope of the invention . it is preferable to orient antenna coils 10 such that the axis of field lines 15 is normal to earth &# 39 ; s magnetic north direction 280 . coil construction follows methods well known in the art , including copper wire wound upon a plastic mandrel , wrapped with insulating tape , not shown , for strain relief and durability . standard soldering and insulating methods are used to connect the conductors to the coil windings . temperature sensor 35 is incorporated within the antenna assembly to reliably monitor and limit internal antenna temperature , and may be attached to the coil with commonly used epoxy adhesive . demp control unit 120 includes electronics described below , display 150 , escape pushbutton 190 , operate and pause button 205 , five push - button navigation switches 200 , function push - button 170 , power button 160 , and six program buttons 180 for commanding specific electromagnetic field sequences of waveform shape and complexity and in predetermined sequence programs as described below . channel lamps 210 and notification lamps 220 provide operational feedback to the operator . the display , pushbuttons , navigation switches , and power source are all common elements in modern electronic devices , with mechanical and electrical characteristics well known to those skilled in the art . demp control unit 120 includes two channels ( one illustrated in detail ) for connection to two pairs of antenna coils 10 through connectors 230 and 235 . fig4 illustrates a preferred embodiment ocular goggles 310 for treatment of diseases of the eye , with air core ocular coil 360 allowing patient 300 vision therethrough along magnetic axis 350 during therapy sessions . tehe demp control unit is set to 250 watts , and is used to treat retinitis pigmentosa , retinal degeneration , senile macular degeneration , retinal dystrophy , neuropathy on optic nerves , corneal trauma , corneal perforation , glaucoma simplex , atrophy of the optic nerve , etc . cover 340 holds protective pane 330 ; air vent 320 prevents excess humidity internal to the goggles . an antenna capacity of 7 watts per eye is appropriate to produce the maximum movement . cord connector 370 interconnects ocular coil 360 to the demp control unit . goggles 310 are constructed with structural plastics and cushioning fabrics well known in the art . temperature sensors , not shown , are incorporated within the goggles in close proximity to ocular antenna coils 360 to monitor and limit internal antenna temperature . table i provides electrical and mechanical characteristics of preferred embodiment antenna coils of the invention for connection to the demp control unit , and indicates the number of coils used . multiple antenna coils such as intra - cranial 12 may be connected in series / parallel arrangements to be adapted to the demp control unit driver capacity . fig5 is a single - coil tunnel antenna 380 with coil 400 illustrating a large air core center for generating magnetic flux along axis 410 . table i lists three tunnel antenna sizes . the larger tunnel is for the legs . the smaller tunnels are used for the arms . the tunnels are used to treat various bone injuries , fractures , burns , carpal tunnel syndrome , limb grafts , infected skin wounds , rheumatic / musculoskeletal diseases , etc . generally approximately 500 watts is applied from the demp generator . a temperature sensor , not shown , is in close proximity to the antenna coil to monitor and limit internal antenna temperature , and may alternatively be located within support housing 420 . fig6 illustrates the construction of a generic antenna paddle 430 illustrating coil 460 visible through drawing cutout 450 and interconnection 400 for coupling to the demp control unit . since paddles may be used in various numbers and configurations , it important to consistently label paddles with polarity labels indicating north 440 and south 445 ( in fig7 ) to insure proper placement with respect to all antenna paddles in use for a specific therapy . paddle 430 includes an internal temperature sensor , not shown , to monitor and limit antenna coil temperature . the temperature sensor measurement is useable in the demp control unit to modify generated current waveforms as described below . fig7 illustrates a typical planar orientation of two antenna paddles 430 with north 440 and south 445 labels to create a deep high - field region 36 illustrated in the magnetic flux cross sectional diagram 470 of fig8 , which indicates flux lines 30 created by the two coils 10 . note that high - field region flux lines are common to both coils and flow in the direction 45 from north to south . fig9 illustrates the antenna paddle 430 pair of fig7 and 8 applied to a patient 480 in a lumbar therapy treatment in which diseased or strained internal areas are exposed to high - field regions of the antenna magnetic flux to cause faraday currents to flow therein . multiple paddle pairs , not shown , are useful for upper back therapies . full body treatment utilizes 5000 watts from the demp generator and is used to treat peripheral vascular diseases , liver function , heart disease , hypertension , lung diseases , gastrointestinal diseases , etc . fig1 illustrates a urinary / countenance therapy antenna set 500 , including buttocks paddle 510 and two side paddles 430 in storage fixture 520 . urinary antenna cables 370 interconnect to the demp control unit set to 1000 watts . the pelvic floor cells are excitable in multiple directions by virtue of the locations of the antennas . buttocks antenna 510 also includes an internal temperature sensor , not shown , to monitor and limit antenna coil temperature . fig1 illustrates an intra - cranial antenna helmet 540 , which includes neck structure 560 , chin structure 550 , and cranium structure 570 alignment elements of the helmet . drawing cutout 580 exposes intra - cranial antenna coil 590 , which interconnects through cables 370 to the demp control unit set to 3 to 5 hz and 30 % to 90 % power . this preferred embodiment is used to treat neurological diseases , brain neurosecretion , parkinson &# 39 ; s disease , etc . helmet 540 is constructed with plastic structural supports as described above , with fabric liners commonly known in the art . helmet 540 includes internal temperature sensors , not shown , to monitor and limit antenna coil temperatures . fig1 is a functional block diagram of a demp system 110 of the invention . power supply 700 within demp control unit 120 provides a variety of power forms 710 for connection within the electronics . lcd display 660 is driven through a typical bus interconnect 690 by central processor unit ( cpu ) electronics 680 . the cpu receives current feedback signals from adc 760 and from temperature sensor 35 , and drives digital to analog converter ( dac ) 720 . the dac 720 in turn drives low frequency power amplifier 730 supplying the antenna coil current , which is monitored by current sensor 740 through output connection 240 . cpu 680 may be an integrated circuit microcontroller such as an 8 - bit risc microcontroller manufactured by atmel . lcd display 660 may be dmf - 50773 manufactured by optrix , which may include touch screen 670 integrated therein . dac 720 may be max5891 manufactured by maxim , or equivalent . power supply 700 , amplifier 730 , and adc 760 are common electronic components commonly known in the art , and software algorithms associated with cpu 680 are well known in the art for generating waveform , sequence programs , and controls described above . fig1 , 15 , 16 , and 17 illustrate graphical plots of amplitude 800 vs . time 610 of four exemplary alternate trapezoidal output waveforms for generating a variety of temporally varying electromagnetic fields with five time duration portions of period “ t ” 880 . amplitudes are normalized to a common peak value , whereas it should be understood that the peak amplitudes are controllable and adjustable by the operator and by the predetermined program sequences . each of the four illustrated trapezoid waveforms is created with five temporal periods totaling the full period “ t ” 880 . optimal waveforms are chosen as a function of antenna , power , and frequency configuration . the waveform portion “ d ” 860 is a negative peak and its length depends on the inductance of the antenna used and its discharge slope . the waveform portion “ e ” 870 is set sufficient for substantially all inductive energy dissipation prior to the next cycle . referring to fig1 , standard trapezoid wave 810 is generated by programming a time duration 830 , b time duration 840 , c time duration 850 , d time duration 860 , and e time duration 870 . standard trapezoid time duration table 820 provides time percentages of waveform period t 880 for said standard trapezoid wave 810 . various amplitudes , periods , t 880 , and sequences are programmable in the demp control unit described above and further described in the functional block diagram of fig1 . referring to fig1 , typical low frequency square wave 890 is illustrated with low frequency square wave time duration table 920 . fig1 illustrates typical mid - frequency triangular wave 910 with low - frequency triangular wave time duration table 920 . fig1 illustrates typical high - frequency sawtooth wave 930 with high - frequency sawtooth wave time duration table 940 . while the instant invention has been shown and described herein in what are conceived to be the most practical and preferred embodiments , it is recognized that departures may be made therefrom within the scope of the invention , which is therefore not to be limited to the details disclosed herein , but is to be afforded the full scope of the claims so as to embrace any and all equivalent apparatus and articles .
method and apparatus are provided for therapeutic administration to body parts digitally generated electromagnetic fields with trapezoidal , square , triangular and sawtoothed and other complex temporal field waveforms that are microcontroller controlled for a range of amplitude , frequency , and dc offsets ; the apparatus providing programmed sequences of radiation waveforms . multiple electromagnetic antennas establish a variety of field configurations for exposure of various body parts in the treatment of a wide range of afflictions including exfoliation of calcium deposits causing improvements in arthritis and other rheumatic diseases — osteoarthritis , nervous interconnection , etc ., the treatment of tremors and seizures , migraine , hypertension , lower back pain , urinary incontinence , and premenstrual tension . temperature sensors within the antennas are provided to limit the temperatures therein .