Patent ID: 6652520
Filing Date: 2003-11-25
Classification: A61B

Abstract:
A modular needle kit for biopsy and ablation through a puncture site, comprising:an elongated delivery needle of 17 gauge or higher having an open proximal end and an open distal end with a humen extending therebetween, said delivery needle extending longitudinally a first predetermined distance, and an ablation needle comprising a transmission line, said transmission line extending longitudinally a second predetermined distance wherein the second predetermined distance is greater than the first predetermined distance whereby said ablation needle forms a distal projection extending beyond the distal end of said delivery needle when said ablation needle is distally and detachably displaced within the lumen of said delivery needle, and wherein said distal projection comprises an extension of a conductor of said transmission line, said extension of said conductor forming a microwave antenna electrically coupled to said transmission line.