A medical probe device comprises a catheter having a stylet guide housing with one or more stylet ports in a side wall thereof and a stylet guide for directing a flexible stylet outward through the stylet port and through intervening tissue at a preselected, adjustable angle to a target tissue. The total...http://www.google.es/patents/US6610054?utm_source=gb-gplus-sharePatente US6610054 - Medical probe device and method
