A medical probe device including a catheter having a stylet guide housing with one or more stylet ports in a side wall thereof and guide means for directing a flexible stylet outward through the stylet port and through intervening tissue to a target tissue. The catheter assembly includes a stylet guide...http://www.google.com/patents/US5470309?utm_source=gb-gplus-sharePatent US5470309 - Medical ablation apparatus utilizing a heated stylet
