نتایج جستجو برای: bioheat equation

تعداد نتایج: 229793  

2011
Francisco Javier Gonz'alez

In this work the metabolic heat generated by breast tumors was estimated indirectly and noninvasively from digital infrared images and numerically simulating a simplified breast model and a cancerous tumor, this parameter can be of clinical importance since it has been related to the doubling volume’s time and malignancy for that particular tumor. The results indicate that digital infrared imag...

2007
Michael R. Rossi Yoed Rabin

* Corresponding author: [email protected] Abstract As part of an ongoing effort to develop computerized planning tools for cryosurgery, the current study focuses on validating a numerical technique for bioheat transfer simulations. The long-term goal is to develop a planning tool for cryosurgery that takes a 3D reconstruction of a target region, and suggests the best cryoprobe layout. To make the p...

Journal: :International Journal of Heat and Mass Transfer 2008

رسولی, آیسا, فتورائی, ناصر, نبئی, قائمه, نبئی, ملیکه,

Background: Brain hypothermia by reducing the temperature of the cerebrospinal fluid is done by a cooling pad in the thoracic region and protect brain from the ischemic injuries. Along with the spinal cord, the brain is an essential partner in the central nervous system, and similarly, it is surrounded and protected from the bony skull and from shock by cerebrospinal fluid. The brain analyzes i...

2011
Jianhua Zhou J. K. Chen Yuwen Zhang

To ensure personal safety and improve treatment efficiency in laser medical applications, one of the most important issues is to understand and accurately assess laser-induced thermal damage to biological tissues. Biological tissues generally consist of nonhomogeneous inner structures, in which heat flux equilibrates to the imposed temperature gradient via a thermal relaxation mechanism which c...

Journal: :Medical physics 2014
George C Bourantas Mehdi Ghommem George C Kagadis Konstantinos Katsanos Vassilis C Loukopoulos Vasilis N Burganos George C Nikiforidis

PURPOSE The dynamic mode decomposition (DMD) method is used to provide a reliable forecasting of tumor ablation treatment simulation in real time, which is quite needed in medical practice. To achieve this, an extended Pennes bioheat model must be employed, taking into account both the water evaporation phenomenon and the tissue damage during tumor ablation. METHODS A meshless point collocati...

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