A modular biopsy, ablation and track coagulation needle apparatus is disclosed that allows the biopsy needle to be inserted into the delivery needle and removed when not needed, and that allows an inner ablation needle to be introduced and coaxially engaged with the delivery needle to more effectively...http://www.google.com.au/patents/US6652520?utm_source=gb-gplus-sharePatent US6652520 - Modular biopsy and microwave ablation needle delivery apparatus adapted to in situ assembly and method of use
