Apparatus for creating therapeutic charge transfer in tissue
March 12, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2939976 3051988 Modification of the growth repair and maintenance behavior of living tissue and cells by a specific and selective change in electrical environment Modification of the growth, repair and maintenance behavior of living tissues and cells by a specific and selective change in electrical environment Modification of the growth, repair and maintenance behavior of living tissues and cells by a specific and selective change in electrical environment Modification of the growth, repair and maintenance behavior of living tissues and cells by a specific and selective change in electrical environment Device for producing pulsating magnetic fields for therapeutic purposes Translating magnetic field treatment device Quasistatic biological cell and tissue modifier Device for magnotherapy InventorApplicationNo. 10801168 filed on 03/12/2004US Classes:600/9, MAGNETIC FIELD APPLIED TO BODY FOR THERAPY310/196, Corona-prevention600/13, Electromagnetic coil128/897, MISCELLANEOUS424/400, PREPARATIONS CHARACTERIZED BY SPECIAL PHYSICAL FORM435/372, Blood, lymphatic, or bone marrow origin or derivative336/60Ventilating passages (e.g., by coil section or core part spacers)ExaminersPrimary: Marmor, Charles A.Assistant: Hopkins, Christine D. Attorney, Agent or FirmInternational ClassA61N 2/02AbstractAn apparatus for creating therapeutic charge transfer in tissue includes a coil. The coil generates a changing magnetic field to induct an electric field in the tissue exceeding 10 mV/cm when the coil is 5 cm from the tissue. Preferably, the magnetic field has a growth phase and a decay phase and a duration of the growth phase is at least ten times a duration of the decay phase. The apparatus can include a control circuit to control a current fed to the coil. The control circuit includes two subcircuits and a switch for switching between a first of the subcircuits and a second of the subcircuits; preferably, a λ of the second subcircuit is at least ten times a λ of the first subcircuit. To generate the therapeutic effect, the coil should have a duty cycle of at least ten percent.Other References
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