نتایج جستجو برای: pulsed electromagnetic fields

تعداد نتایج: 338732  

2004
David Cukjati Rajmond Šavrin

The authors review the existing physical modalities for treatment of chronic wounds and show the advantages of electric current and electromagnetic field stimulation. Direct currents, low frequency pulsed currents, monophasic high voltage pulses and pulsed electromagnetic fields are compared in respect of their efficiency. Wound healing quantification methods, wound healing dynamics and prognos...

Journal: :European Journal of Orthopaedic Surgery & Traumatology 2007

Journal: :IEEJ Transactions on Fundamentals and Materials 2007

2011
V. V. Denisenko

Maxwell equations are the basis of the theory of electromagnetic fields. In the stationary case they split into independent problems for electric and magnetic fields. For the electric field in conductive media electrical conductivity problem is formulated, and in insulators the problem of electrostatics is formulated. Equations for stationary problems are of elliptic type, whereas in general th...

2010
Kenneth F. H. Tan Surendra Shetty Subraya Mogra

Introduction: The purpose of this study was to evaluate whether the external application of pulsed electromagnetic fields (PEMF’s) could enhance the amount of orthodontic tooth movement in young

Journal: :Indian journal of experimental biology 2003
Jayanand Jitendra Behari Rajeev Lochan

Effect of modulated pulsed electromagnetic fields (PEMFs; carrier frequency, 14 MHz. modulated at 16 Hz of amplitude 10 V peak to peak) on sciatic neurectomy induced osteoporosis in rat femur and tibia resulted in statistically significant increase in bone mineral density, and deceleration in bone resorption process and consequently further osteoporosis in rat bone. These results suggest that s...

Bahram Dalir Naghadeh Ghader Rezazadeh Mahsa Ajodani Siamak Saifzadeh,

Objective- Although the promotional effects on bone healing of pulsed electromagnetic fields (PEMF)have been well demonstrated, the effects of static magnetic fields (SMF) remained unclear. In this study,effects of SMFs on clinical and biomechanical aspects of bone healing using a canine unstable osteotomygap model were investigated .Design- Prospective descriptive trial.Animals- Fifteen mongre...

بلوری, بهرام, نیکبخت, فرناز, کهزاد, سوسن,

Background: Extremely low frequency (0-300 Hz) fields from power lines, electronic equipment and medical devices, have been reported to produce various biological effects. Global system for mobile (GSM) is most largely used in everybody's life. This system utilizes a low frequency band as well as a high frequency range of electromagnetic field. This study investigated the effects of 217 Hz elec...

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