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US Patent 7288062 - Apparatus for creating therapeutic charge transfer in tissue
US Patent Issued on October 30, 2007
Estimated Patent Expiration Date:
March 12, 2024Estimated 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.
Estimated Patent Expiration Date:
March 12, 2024Estimated 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.AbstractAn 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
| 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)Field of Search607/2, Electrical therapeutic systems607/65Signal generated by induction coil circuitExaminersPrimary: Marmor, Charles A.Assistant: Hopkins, Christine D. Attorney, Agent or FirmUS Patent References2939976, 3051988, 4105017, Modification of the growth repair and maintenance behavior of living tissue and cells by a specific and selective change in electrical environmentIssued on: 08/08/1978 Inventor: Ryaby , et al.4266532, Modification of the growth, repair and maintenance behavior of living tissues and cells by a specific and selective change in electrical environment Issued on: 05/12/1981 Inventor: Ryaby , et al.4266533, Modification of the growth, repair and maintenance behavior of living tissues and cells by a specific and selective change in electrical environment Issued on: 05/12/1981 Inventor: Ryaby , et al.4315503, Modification of the growth, repair and maintenance behavior of living tissues and cells by a specific and selective change in electrical environment Issued on: 02/16/1982 Inventor: Ryaby , et al.4727857, Device for producing pulsating magnetic fields for therapeutic purposes Issued on: 03/01/1988 Inventor: Horl5200071, Translating magnetic field treatment device Issued on: 04/06/1993 Inventor: Spiegel5224922, Quasistatic biological cell and tissue modifier Issued on: 07/06/1993 Inventor: Kurtz5314400, Device for magnotherapy Issued on: 05/24/1994 Inventor: Tsyb, et al.5338286, Electromagnetic bioresponse by selective spectral suppression in pulsed field stimulation Issued on: 08/16/1994 Inventor: Abbott, et al.5544665, Protection of living systems from adverse effects of electric, magnetic and electromagnetic fields Issued on: 08/13/1996 Inventor: Litovitz, et al.5968527, Protection of living systems from the adverse effects of stress Issued on: 10/19/1999 Inventor: Litovitz5983134, Electrophoretic cuff apparatus drug delivery system Issued on: 11/09/1999 Inventor: Ostrow6086572, Electrotransport device and method of setting output Issued on: 07/11/2000 Inventor: Johnson, et al.6561968, Method and an apparatus for stimulating/ modulating biochemical processes using pulsed electromagnetic fields Issued on: 05/13/2003 Inventor: Dissing, et al.6589786, Cell separation using electric fields Issued on: 07/08/2003 Inventor: Mangano, et al.7088210Electromagnet having spacer for facilitating cooling and associated cooling method Issued on: 08/08/2006 Inventor: Day, et al. International ClassA61N 2/02 |
