THERAPY DEVICE

Abstract: A therapy device is disclosed that has a fixed coil assembly and a magnet that is moved relative to the coil and to a nearby magnetically excited crystal by the application of a time varying electrical field to the coil. A high voltage electrical discharge is positioned within the magnetic field. Air vents and valves within the body of a transducer are utilized to direct airflow in and out of the transducer and introduce vorticity to the airflow. Positioned near said magnet and cry device is a high voltage.

Description: Patent application of Richard H. Lee For THERAPY DEVICE Cross Reference to Related Applications This is an international filing of copending U. S. application serial No. 09/565,890, filed on May 5,2000. The priority of this prior application is expressly claimed and its disclosure is hereby incorporated by reference in its entirely. It also includes claims from subsequent pending US applications serial No. 09/689, 348 and 09/617,163 based on the same specification. Field of the Invention The present invention relates generally to therapy devices, more particularly to devices that induce infrasonic signals in living bodies. Background of the Invention Infrasonic massagers that provide broadband sound infusion have been on the market for more than a decade, and have proven effective for a variety of therapeutic applications including pain relief, accelerated recovery, and exploring consciousness. Because infrasonic sound involves such low frequencies, the transducers for infrasonic massagers have been large and heavy, typically two pounds and no smaller than two and one-half inches in the smallest dimension. These relatively large transducers are required to accommodate the large displacements and heavy masses used for infrasonic production. Size and weight limitations make it uncomfortable to use the transducer under the body when lying, unstable when placed on top of the body, and difficult to affix to the body, whether with straps, tape, bean bags or other positioning means. In addition, the large size and shape of these transducers make it difficult to infuse infrasonic massage waves into small, irregular, and bony areas including toes, ankles, feet, knees, shoulder, neck, head, elbows, and hands. Another deficiency comes in the form of complexity and reliability problems. The structure employed to introduce non-sinusoidal signals is similar to that of an acoustical speaker where a moving coil of wire within a magnetic circuit suffers from breakage of connecting wires. This structure is also complex to manufacture. One issue in infrasonic transducer design that has not yet been adequately addressed is that of gravity. Audio speaker design involves relatively lightweight moving elements that show negligible displacement under the influence of gravity. In contrast, infrasonic transducers are often used in a face-up or facedown position and if the spring constant of the diaphragm that suspends the coil is too soft, the coil sags. This creates two problems. First, the displacement of gravity-induced sag requires very wide clearances to avoid banging of the moving mass against the case. Second, this gravity-induced sag causes the magnetic air gap to be displaced relative to the magnetic coil, requiring a longer coil to accommodate full movement and thus reduced efficiency of the electrical circuit. Making the moving mass lighter reduces the force exerted, as does increasing the spring constant of the diaphragm. However, these changes substantially reduce efficiency by raising the frequency response. Assembling the flat rubber diaphragm without pretensioning, while allowing a minimum spring constant, creates another problem. With time and use, the rubber elongates such that there is a range of free movement without stretching the rubber. This free play in a flat diaphragm allows free movement over a limited range and a higher spring constant beyond that range. This results in distortion, the production of substantial high frequency sound. The result is a low efficiency transducer and extraneous vibration that interferes with efficacy. In addition, the high flexing of the flat rubber diaphragms used as springs and air diaphragms in all infrasonic therapy devices currently manufactured causes a high degree of bending over a small radius at the outer and inner diameters of the diaphragms, which results in accelerated rubber elongation and early diaphragm failure as the rubber tears after moderate use. Another problem is limiting maximum displacement. Current models rely on a pre-stretched flat diaphragm to provide a linear spring constant. The pre-stretched diaphragm, while providing linear sound characteristics, allows long movement in the event of dropping or high transients in the signal. This requires extra clearance so as to avoid the diaphragm hitting the end limits, contributing to the thickness of the transducer and resulting in increased damage on dropping. Also, as the transducer is used, the rubber undergoes a permanent elongation that can significantly change the frequency and intensity characteristics of the transducer. Thus, it would be desirable to provide a method that provides a linear spring constant with small displacement and a rapidly increasing spring constant with displacements beyond normal operating displacement limits. Another deficiency of existing infrasonic massagers is their low effectiveness when placed between a firm surface and the human body. In the existing state of the art, when a transducer is placed under a body part, the weight of the body part presses down on the transducer housing. This greatly limits the movement of the transducer, preventing it from delivering the desired infrasonic signal. Since the force exerted by the transducer is about two ounces, a weight of a few pounds is sufficient to pin the transducer immobile against a solid surface. Even if placed on a cushioned surface, the cushioning material is compressed such that the spring constant of this material increases greatly with increased displacement. Whereas the transducer will move up to about 5 millimeters when allowed to move freely, a compressed cushion supporting body weight on top of the transducer with a change in force (spring constant) of 10 pounds per 5 millimeter displacement, when exposed to the 2 ounce force of the transducer will move only about 0.03 millimeters. This sort of support attenuates most of the infrasonic signal. As an example, the transducer can be put on the floor and the foot placed on top of it or it can be placed on a massage table and a person lay on top of it. In both cases, the pressure of the surface against the transducer greatly limits its motion, allowing only higher frequency vibrations to be produced and transferred efficiently. This cripples the effectiveness of the device. A means of allowing the transducer to move freely relative to the floor or table will significantly increase therapeutic effectiveness. The shape of infrasonic transducers, two or more inches thick with a flat treatment surface and relatively small radius edges, while considered necessary to produce sounds at such low frequencies, makes them inconvenient for use in many applications. For example, application over bony surfaces where the force is focused on the bones often creates discomfort and poor transfer of infrasonic energy to the tissue. While gels applied to the skin facilitate conduction of high frequency ultrasound signals to the body, this approach does not work with the very low frequency infrasound range. Application to the soft tissue in the arch of the foot is particularly beneficial toward promoting circulation. Bed ridden people benefit the most from increased circulation in legs and feet to offset edema and bedsores. However, since all transducers for therapeutic infrasound on the market have flat, inflexible surfaces, none can directly stimulate this area well. Moreover, in the existing state of the art, it is awkward to position the transducer on the bottom of the foot without an attendant to hold it in place. Thus, this valuable application is impractical with current transducer designs. Another deficiency of existing infrasonic transducers is that they are more than two inches thick because of the needed weights and displacements, and to make them small, they have a relatively sharp corner that faces the body. This means that, when they are placed under a person's back or neck on a table, the person is generally uncomfortable unless pillows are carefully arranged. Additionally, while ultrasound devices have utilized an electrically excited crystal to generate ultrasonic vibration for therapy, and piezoelectric"tapper"devices use a mechanically excited crystal to produce electrical impulses for therapy, no devices presently utilize rhythmic mechanical signals or magnetic signals to excite crystals for therapeutic purposes. Summary of the Invention The present invention presents methods and devices that improve the effectiveness of infrasonic therapy. In one aspect of the invention, a transducer has a fixed coil assembly and magnet that is moved relative to the coil by the application of a time varying electrical field to the coil assembly. In another aspect of the invention, a series of air vents and valves within the body of a transducer with a moving magnet assembly are utilized to direct airflow in and out of the transducer and introduce vorticity to the airflow. In another aspect of the invention, an environmental field clarifier creates high voltage electrical spikes that interact with a magnetic field created by a magnet, creating turbulence in the magnetic field. A crystal may alternatively be mounted in or near the environmental field clarifier. The crystal may be excited electrically, magnetically, or mechanically. The environmental field clarifier may be placed in or near a therapeutic transducer or may be utilized as a separate, stand-alone device. In yet another aspect of the present invention includes exciting a crystal to induce rhythms in the body. A magnetic circuit in a transducer delivers magnetic fields to a crystal carrying high frequency rhythms to the body through the magnetically excited crystal. Brief Description of the Drawings Reference is made to the accompanying drawings, in which like reference numerals indicate like parts, and in which are shown illustrative embodiments of the invention from which its novel features and advantages will be apparent to those of ordinary skill in the art. Fig. 1 is a cross-sectional view of an infrasonic therapy transducer according to the invention. Fig. 2 is a cross-sectional view of an environmental field clarifier according to the invention. Detailed Description of a Preferred Embodiment Referring now to Fig. 1, infrasonic transducer 28 has a housing 32 and a magnet assembly 36 mounted within the housing 32. Magnet assembly 36 consists of axially magnetized annular magnet 38, annular steel pole pieces 40 and flexible diaphragm 42. The annular shaped pole pieces 40 are attached to either side of magnet 38. The magnet 38 is attached to housing 32 by the flexible diaphragm 42 that limits movement of the magnet 38 within the housing 32. The flexible diaphragm 42 may be formed of rubber or other similar material that provides the desired spring constant for the transducer 28. Force to drive magnet assembly 36 is provided by copper coil 44, which is wrapped around tube 46 that is made of magnetically soft steel. Tube 46 also provides part of the magnetic circuit of magnet assembly 36, thereby increasing efficiency of transducer 28. In addition, tube 46 also provides a pathway for pressurized air to be delivered from the back of the diaphragm 42 out the front of the transducer 28, providing efficient operation. As shown in Fig. 1, electromagnetic coil 44 is completely within the radius of the magnet 38. Elastic diaphragm 42 extends outward from the outside diameter of the magnet 38 and electromagnetic coil 44 extends inward from the inside diameter. The magnet 38 is free to move from one face of the housing 32 to the other. This affords maximum distance of travel with a minimum of transducer thickness. It is preferable for the spring constant of the diaphragm 42 to be selected such that the displacement of the transducer due to the force of gravity is roughly the same as the displacement induced by application of the magnetic field of the coil on the moving magnet. This provides an optimally efficient transducer for cases where the position of the transducer varies relative to the force of gravity. The traditional assumption in acoustical design is that the displacement due to gravity is minimal. Infrasonic massagers are currently designed with a flat rubber diaphragm to provide linear spring constant characteristics. A cast diaphragm constructed such that the flexible rubber element bends at low displacement and stretches at high displacement provides linear spring constant at low displacement and rapidly increasing spring constant at higher displacement. The disclosed diaphragm design provides high efficiency at low power, and limits diaphragm movement at high force to prevent contact at end positions providing for a limited maximum displacement. It also eliminates the problem of rubber elongation with age and use, providing a product with consistent performance over its lifetime. Electrical signal 30 is delivered to copper coil 44 through wires 48. The diaphragm 42 provides a spring force to make the movement of the magnet assembly 36 proportional to the voltage of electrical signal 30. The electrical signal 30 is preferably a therapeutic signal as described in copending application serial No. 08/976, 100, the disclosure of which is hereby incorporated by reference in its entirety. While a chaotic signal as described in the referenced copending application is preferable, any therapeutic signal that excites the magnetic coil may be utilized. In application, movement of magnet 38 relative to the body of the person to be treated provides a moving magnetic field that interacts with the magnetic field created by the heart and other organs. The magnetic field generated by the present transducer 28 influences magnetically responsive parts of the body such as blood cells containing iron and the pineal that contains magnetically sensitive structures. This generated magnetic field also influences the electrical fields of the body as measured by EMG, EEG, and EKG. Further, this magnetic field can help to soften or break up conditioned responses, emotional habits or desires, which exist as modulations in the body's magnetic field. In contrast, stationary electromagnets with time varying currents have stationary fields that get stronger and weaker with time. The present transducer design with the magnet moving relative to the body is fundamentally different and provides more profound magnetic therapy than stationary magnets or electromagnetic coils. It is more effective at delivering natural rhythms to the body. The moving magnet 38 delivers a substantial magnetic field to the patient to be treated. This is accomplished by having the face of the magnet 38 come quite close to the patient, with only the transducer housing 32 and width of the pole piece 36 separating the magnet 38 from the surface of the patient's body. The orientation of this magnetic field is preferably with the south seeking pole of the magnet 38 facing the patient to minimize discomfort. One-way inlet valve 51 allows air to enter the top of transducer housing as the magnet assembly 36 moves downward. This action also pushes air out of outer air holes 52. On upward movement of the magnet assembly 36 air is drawn in through air holes 52, passed through air guides 54 through steel tube 46, and passed out through inner air holes 49. To allow this air circulation even when the transducer is held against a non-breathable surface, external air channels 53 are molded into the outer surface of the transducer housing 32. This circulation provides cooling to the electromagnetic coil 44. It also pushes the energized air out the air holes to bring it into contact with the patient's skin, and adds vorticity, or angular rotation, to the air passing through steel tube 46. The vorticity of the airflow adds uncertainty to the produced signal and creates a counterclockwise rotation of the media in which the signal is generated. This has been found to draw discomfort out of the patient. In the preferred embodiment, the principal generated signal is acoustical sound, and the vorticity of the airflow through the preferred transducer affects the generated sound in a therapeutically beneficial manner. Magnetically excitable crystal 50 is attached to housing 32 such that magnet assembly 36 reciprocates toward and away from crystal 50 according to electrical signal 30. The reciprocal action of the magnet assembly in close proximity to the crystal 50 excites the crystal with a time varying magnetic field to cause the crystal to produce its own therapeutic signal. As discussed below, the crystal may also be excited by a time varying electric field. Magnetically excitable crystal 50 may be a man-made quartz crystal, such as"Siberian Blue Quartz,"which contains cobalt to provide the blue color, or quartz which contains other highly paramagnetic metals. Other crystals containing ferromagnetic material may also be used. The cobalt in the Siberian blue quartz, and nickel and iron contained in other kinds of quartz are ferromagnetic metals, which makes them highly effective at inducing therapeutic effects when magnetically excited. Use of the magnetically excited cobalt quartz in an area of extensive holding of mental and emotional conditioned responses, beliefs, desires, etc., such as over the heart or the sacrum can result in significant dissolving of subconscious mental patterns, which allows significant emotional tension to be released to other parts of the body, often creating moving emotional discomfort. Several magnetically excitable crystals may also be combined in the same transducer. Magnetically excitable crystals may also be arranged to excite non-magnetically excitable crystals. The effect of breaking up conditioned responses in the body can also be accomplished, though less effectively, by exposing a magnetically sensitive crystal to a time varying electrical field or subjecting it to mechanical pressure, though the therapeutic effectiveness on mental aspects of the person being treated are less pronounced. Rhythmic acceleration of responsive crystals creates compression waves that generate electrical and magnetic signals. Rhythms may be induced within the body and in the fields surrounding the body by physically moving the crystal within the electrical, magnetic and mental fields of the body according to the rhythm to be induced. This may be accomplished by attaching the crystal to the moving element of the infrasonic transducer, and is particularly appropriate in configurations where the magnet is stationary. To induce desired rhythms, the crystal is preferably moved according to the rhythms to be induced, particularly nonsinusoidal rhythms. Environmental field clarifier 34, as shown in detail in Fig. 2, is preferably mounted in housing 32 of the transducer. In Fig. 1, environmental field clarifier 34 receives electrical signal 30 through capacitor 33 and diode 31 such that the input to the field clarifier 34 varies with variations in the voltage of electrical signal 30. Turning now to Fig. 2, environmental field clarifier 34 has a high voltage power supply 3 for producing a high voltage output of approximately 10,000 volts. This circuit is of standard design and is well known by those in the industry. The preferred embodiment contains a step-up voltage inverter operating at about 1000 Hz. outputting high voltage spikes into a voltage multiplier to provide the required voltage. This circuit provides high voltage to cathode 5, a needle type corona discharge ionizer, which causes electrical discharge to jump to anode 5 and return through electrically resonating plate 6 to high voltage power supply 3. Insulator 16 prevents electrical discharge from jumping to the magnet 11 or crystal 9. The insulator 16 may also be a sealed tube like a glass fuse, with the metal cap at the anode end serving as resonating plate 6. With a sealed discharge chamber, humidity of the air in the chamber can be controlled, providing consistent performance in both dry and humid weather. Magnetic flux collector 14 collects magnetic flux and directs it through magnet 11 and filtering elements that include the high voltage discharge and crystal 9. A large magnetic flux collector 14 is appropriate where the purpose is environmental vitalization and clarification instead of personal vitalization and clarification as in the preferred embodiment. The high voltage electrical discharge of the environmental field clarifier 34 provides several valuable effects. First, it produces ozone that can be discharged to the environment surrounding a person. Second, it creates highly chaotic electrostatic activity in anode 5 and plate 6 which, through capacitive conductance, transfers electrical vitality to the person receiving therapy. Third, it creates this same highly chaotic electrostatic activity in crystal 9, which activates crystal 9 piezoelectrically. Fourth, the electrical discharge interrupts and creates turbulence in the magnetic field directed by the magnet 11, which is within the magnetic field of a person, both vitalizing and clarifying the magnetic field of the person. Fifth, this magnetic field turbulence excites the crystal 9 magnetically. Sixth, crystal 9, when excited as described above radiates in many ways, delivering electrical, magnetic, mental, and acoustical energy to both vitalize and clarify the energy fields of the person. Seventh, the acoustical, electrical, magnetic, and mental excitation clarifies and vitalizes acoustical, electrical, magnetic, and mental fields in the environment surrounding a person by adding energy and turbulence to the environment. Eighth, the magnetic field rhythms of the person are clarified as they pass through the magnetically responsive crystal. Field clarifier 34 may also be utilized as a stand-alone device in a wide variety of applications. For example, the field clarifier may be battery powered and placed in a small lightweight housing that can be easily attached to a person's body by use of a clip or strap, for example, or it may be large and attached to the steel structure of a building purifying and vitalizing Earth's magnetic field before it passes through the building. While the preferred embodiments of the devices and methods have been described, they are merely illustrative of the principles of the invention. Other embodiments and configurations may be devised without departing from the spirit of the inventions and the scope of the appended claims.

Claims: What is Claimed is: 1. An infrasonic transducer for use in providing therapy to a living patient comprising: a housing; a flexible support attached to said housing; a magnet attached to said flexible support, said flexible support allowing said magnet to move within a predetermined range of motion relative to said housing; and an electromagnetic coil fixed to said housing and positioned in close proximity to said magnet, said electromagnetic coil being excited by a time varying signal and creating a time varying magnetic field to cause said magnet to move relative to said housing. 2. The infrasonic transducer of claim 1 wherein said magnet is a flat axially magnetized disk with two steel pole pieces oriented as north and south poles and wherein said south pole faces said living patient during treatment. 3. The infrasonic transducer of claim 1 wherein said electromagnetic coil has a ferromagnetic core. 4. The infrasonic transducer of claim 1 wherein said magnet is annular in shape having an inner radius and said electromagnetic coil is positioned within the inner radius of the annular magnet. 5. The infrasonic transducer of claim 1 wherein said flexible support is a spring. 6. The infrasonic transducer of claim 1 wherein said flexible support has a fold, said fold bending within said predetermined range of motion of said magnet and stretching upon displacement of said magnet beyond said predetermined range. 7. The infrasonic transducer of claim 6 wherein said flexible support is an elastic diaphragm. 8. The infrasonic transducer of claim 1 wherein air is moved within the transducer as said magnet moves relative to said housing. 9. The infrasonic transducer of claim 8 further comprising means for causing a net unidirectional flow of air within the transducer and means for imparting angular rotation to the air. 10. An infrasonic transducer comprising: a housing; a flexible support attached to said housing; and a moveable element attached to said flexible support, said moveable element having a predetermined range of motion within said housing, said flexible support having a fold, said fold bending within said predetermined range of motion of said moveable element, and stretching upon displacement of said moveable element beyond said predetermined range. 11. The infrasonic transducer of claim 10 wherein said moveable element comprises a permanent magnet. 12. The infrasonic transducer of claim 10 wherein said moveable element comprises an electromagnetic coil. 13. The infrasonic transducer of claim 10 further comprising means for causing a net unidirectional flow of air within the transducer, said air moved by said moveable element within said housing. 14. An infrasonic transducer comprising: a housing; a flexible support attached to said housing; a moveable element attached to said flexible support, said flexible support allowing said moveable element to move relative to said housing within a predetermined range of motion; and air flow directing means for causing a net unidirectional flow of air within the transducer, said air moved by said moveable element within said housing. 15. The infrasonic transducer of claim 14 wherein said moveable element comprises a permanent magnet. 16. The infrasonic transducer of claim 14 wherein said moveable element comprises an electromagnetic coil. 17. The infrasonic transducer of claim 14 wherein said air flow directing means imparts angular rotation to the flow of air within the transducer. 18. The infrasonic transducer of claim 14 wherein said air flow directing means comprises a one-way inlet valve and air vents positioned on opposite sides of the transducer. 21 A device for providing therapy to a living being comprising. A high voltage power supply; An electrical discharge circuit connected to said high voltage power supply; and A magnetic field source creating a magnetic field that is modified by interaction with an electrical discharge from said electrical discharge circuit. 22. The device of claim 21 further comprising a crystal in close proximity to said electrical discharge circuit. 23. The device of claim 21 wherein said electrical discharge is contained within a sealed chamber. 24. The device of claim 21 further comprising an insulator interposed between said magnetic field source and said electrical discharge. 25. The device of claim 21 wherein said high voltage power supply produces a modulated high voltage output. 26. The device of claim 21 further comprising a magnetic flux collector. 27. A device for providing therapy to a living being comprising: a magnet; a magnetic field clarifying element located in close proximity to said magnet; and a magnetic flux collector for directing magnetic flux from said magnet through said magnetic field clarifying element, sand magnetic flux being modified by interacting with said magnetic flux clarifying element. 28 The device of claim 27 wherein said magnetic field clarifying element comprises an electrical discharge circuit connected to a high voltage power supply. 29 The device of claim 27 wherein said electrical discharge is contained in a sealed container. 30 The device of claim 27 wherein said magnetic field clarifying element comprises a magnetically responsive crystal. 31. A device for providing therapy to a living being comprising: a housing; a high voltage power supply mounted in said housing; and an ionizing circuit including a hermetically sealed ionization chamber, said ionization circuit connected to said high voltage power supply and creating an electrical discharge within said ionization chamber. 32 The device of claim 31 further comprising a crystal disposed in close proximity to said ionization unit chamber : 33 The device of claim 31 wherein said high voltage power supply produces a modulated high voltage output. 34 The device of claim 31 further comprising a magnet located in close proximity to said ionization chamber. 35 The device of claim 31 further comprising a magnetic flux collector. 36. A device for providing therapy to a living being comprising : a housing; a high voltage power supply providing a modulated high voltage output; said high voltage power supply mounted in said housing; and an ionizing circuit including an ionization chamber, said ionization circuit connected to said high voltage power supply and creating an electrical discharge within said ionization chamber according to said modulated output of said power supply. 37 The device of claim 36 further comprising a crystal disposed in close proximity to said ionization chamber. 38 The device of claim 36 wherein said ionization chamber is hermetically sealed. 39 The device of claim 36 further comprising a magnet located in close proximity to said ionization chamber. 40. The device of claim 36 further comprising a magnet flux collector. 41. A device for providing therapy to a living being comprising: a housing; a high voltage power supply; a high voltage discharge mounted in said housing, said high voltage discharge connected to said high voltage power supply and outputting high voltage spikes; and a metal plate mounted in close proximity to said high voltage discharge wherein said high voltage spikes strike said metal plate and create electrostatic vibrations in said metal plate. 42 The device of claim 41 further comprising a crystal disposed in close proximity to said high voltage discharge. 43 The device of claim 41 further comprising a magnet located in close proximity to said ionization chamber. 44. The device of claim 41 further comprising a magnet flux collector. 51 A therapy device comprising; A transducer for providing therapy to a patient, said transducer having an electrical input, a magnetic field generator, and a magnetically excitable crystal positioned in close proximity to said magnetic field generator, said magnetic field generator producing a time varying magnetic field according to a time varying signal produced to said electrical input, said time varying magnetic field exciting said magnetically excitable crystal to provide therapeutic treatment to the patient. 52 The therapy device of claim 51 wherein said crystal contains elements with high magnetic susceptibility equal to or above that of oxygen. 53 The therapy device of claim 51 wherein said crystal contains ferromagnetic elements. 54 The therapy device of claim 51 wherein said crystal comprises quartz and cobalt. 55 A therapy device comprising; a time varying signal input; an electrical discharge circuit connected to said time varying signal input for creating an electrical discharge. an electrically excitable crystal positioned in close proximity to said electrical discharge circuit; and a metal plate positioned near said electrical discharge circuit and said electrically excitable crystal, said electrical discharge striking said metal plate and exciting said electrically excitable crystal. 56 The therapy device of claim 55 wherein said electrically excitable crystal is paramagnetic. 57 The therapy device of claim 55 wherein said electrically excitable crystal contains ferromagnetic elements. 58 The therapy device of claim 55 wherein said electrically excitable crystal comprises quartz and cobalt. 59 The therapy device of claim 55 comprising a magnet in close proximity to said electrically excitable crystal. 60 A transducer comprising; a time varying signal input for receiving a therapeutic rhythm signal; a movable surface adapted to move in accordance with said therapeutic rhythm signal; and a crystal mounted on said movable surface. 61 The therapy device of claim 60 wherein said crystal is paramagnetic. 62 The therapy device of claim 60 wherein said crystal contains ferromagnetic elements. 63 The therapy device of claim 60 wherein said electrically excitable crystal comprises quartz and cobalt. 64 The therapy device of claim 60 further comprising a magnet in close proximity to said crystal. 65 The therapy device of claim 60 wherein said therapeutic rhythm signal is nonsinusoidal.

Inventors: LEE RICHARD H, LEE, RICHARD, H.
Applicants: LEE RICHARD H, LEE, RICHARD, H.
Application year: 2001
Main classification: A61H23
IPC codes: A61H23, A61H39, A61N2