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We describe here a palpation-based needle insertion method for diagnostic biopsy and treatment of breast cancer. The mechanical palpation probe locates cancerous tissue from force information and reduces tissue displacement during needle insertion. We compared palpation-based needle insertion to normal needle insertion by numerical simulation of a breast tissue model and by experiments in vitro. The...
There are various medical treatments for breast cancer. One of the most minimally invasive and promising medical treatments for early-stage noninvasive breast cancer is radiofrequency ablation (RFA). RFA can reduce both mental and physical damage to women with breast cancer. However, it is very difficult to accurately insert diagnosis and treatment needles in cases of early-stage breast cancer, because...
One of the most minimally invasive and promising medical treatments for early-stage breast cancer is radio frequency ablation (RFA). However, with RFA it is difficult to insert the needle into the cancer because of the needle deforms the organ and, therefore, displaces the cancer. To solve this problem, we have developed a novel approach called "palpation based needle insertion." to achieve...
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