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What kind of coils are used for LF-EMF therapy for human?

Electromagnetic pulse

Electromagnetic coil

Pulse generator

Radiofrequency coil

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The coils used for LF-EMF therapy for humans vary in design and functionality. Different types of coils have been developed for this purpose, such as figure-of-eight coils coupled by magnetic resonance coupling (MRC) , coils excited with low frequency oscillating currents controlled by smartphones or programmable devices , and electromagnetic coils specifically designed for magnetotherapy to treat conditions like cerebral palsy . Additionally, methods involving pairs of electromagnetic coils energized to produce electromagnetic pulses have been proposed for therapeutic tissue treatment . Furthermore, single-coil PEMF transducers with bi-phasic operation have been utilized in PEMF therapy systems for generating PEMF stimulation signals . These diverse coil designs cater to different therapeutic needs and applications in LF-EMF therapy for humans.

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Patent Magnetic method for treatment of human tissue Robert G. Dennis, Paul E. Kosnik, James Ronald Clark - Show less +2 more 23 Nov 2010 4 Citations	The LF-EMF therapy for human tissue treatment involves using a first electromagnetic coil opposite a second electromagnetic coil to form a low-power coil pair for generating therapeutic electromagnetic pulses.
Patent Flexible coil pulsed electromagnetic field (PEMF) stimulation therapy system John C. Tepper, Peter Kuo, William L. Winstrom - Show less +2 more 02 Mar 1998 78 Citations	Flexible single-coil transducers, including bi-phasic operation, are utilized for LF-EMF therapy in humans. The system recovers energy for continuous stimulation, potentially enhancing treatment effectiveness.
Journal Article•DOI Focused Magnetic Resonance Coupling Coils for Electromagnetic Therapy Applications Sai Ho Yeung, Raunaq Pradhan, Xiaohua Feng, Yuanjin Zheng - Show less +3 more 04 Mar 2015-IEEE Transactions on Biomedical Engineering 8 Citations	Focused Magnetic Resonance Coupling (MRC) figure-of-eight coils are used for LF-EMF therapy for humans, enhancing electric field intensity at focal points for various electromagnetic therapy applications.
Patent System and method for applying a low frequency magnetic field to biological tissues Francis Hochstenbach 10 Nov 2017 4 Citations	Coils with 5-200 turns and a diameter of 2-20 mm are used for LF-EMF therapy for humans, producing a magnetic field strength of 0.01-5 mT at 1 cm distance from the coil.
Patent Magnetic coil for magnetotherapy and magnetotherapy device Mingliang Fan 07 Apr 2008 1 Citations	The coils used for LF-EMF therapy for humans are electromagnetic coils comprising silicon steel sheets and magnetic cores, capable of generating magnetic fields to treat conditions like cerebral palsy.

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