A medical instrument including a cannula or probe used to penetrate tissue to a target area to perform a medical procedure including biopsy and RF ablation of undesirable tissues or cells for treatment, or to prevent the spread of cancer cells during a biopsy procedure. The probe is preferably shape...http://www.google.com/patents/US6162216?utm_source=gb-gplus-sharePatent US6162216 - Method for biopsy and ablation of tumor cells
