Ablation device with drug delivery component and biopsy tissue-sampling component

Abstract

An ablation device includes a handle assembly, an ablation electrode extending from the handle assembly, and one or more delivery needles extending from the handle assembly. The ablation electrode includes an ablation needle. The ablation needle includes a distal end portion including a drug delivery port defined therethrough. The ablation device also includes and a biopsy tool extending from the handle assembly.

What is claimed is: 
     
         1 . An ablation device, comprising:
 a handle assembly;   an ablation electrode extending from the handle assembly, the ablation electrode including an ablation needle, wherein the ablation needle includes a distal end portion including a drug delivery port defined therethrough;   at least one delivery needle extending from the handle assembly; and   a biopsy tool extending from the handle assembly.   
     
     
         2 . The ablation device of  claim 1 , wherein the biopsy tool is a tissue-sampling needle. 
     
     
         3 . The ablation device of  claim 2 , wherein the handle assembly is adapted to allow the user to selectively position the tissue-sampling needle in tissue. 
     
     
         4 . The ablation device of  claim 3 , wherein the tissue-sampling needle is selectively moveable from a first position, wherein a distal end of the tissue-sampling needle is disposed proximal to a distal end portion of the ablation needle, to at least a second position, wherein at least the distal end of the tissue-sampling needle is disposed distally beyond the distal end portion of the ablation needle. 
     
     
         5 . The ablation device of  claim 1 , wherein the biopsy tool is a tissue-sampling device including an end-effector. 
     
     
         6 . An ablation device, comprising:
 a handle assembly;   an ablation electrode extending from the handle assembly, the ablation electrode including an ablation needle, wherein the ablation needle includes a recess defined therein;   an absorbent material disposed at least in part within the recess;   at least one delivery needle extending from the handle assembly; and   a biopsy tool extending from the handle assembly.   
     
     
         7 . The ablation device of  claim 6 , wherein the handle assembly is adapted to allow the user to selectively position the at least one delivery needle in tissue. 
     
     
         8 . The ablation device of  claim 7 , wherein the delivery needle is selectively moveable from a first position, wherein a distal end of the delivery needle is disposed proximal to a distal end portion of the ablation needle, to at least a second position, wherein at least the distal end of the delivery needle is disposed distally beyond the distal end portion of the ablation needle. 
     
     
         9 . The ablation device of  claim 1 , wherein the biopsy tool includes a micro-forceps. 
     
     
         10 . An ablation device, comprising:
 a handle assembly;   an array of ablation electrodes operably associated with the handle assembly, wherein at least one ablation electrode of the array of ablation electrodes includes a recess defined therein, and wherein an absorbent material is disposed at least in part within the recess; and   a biopsy tool including an end-effector assembly operably associated with the handle assembly.   
     
     
         11 . The ablation device of  claim 10 , wherein at least one ablation electrode of the array of ablation electrodes includes a distal end portion including a drug delivery port defined therethrough. 
     
     
         12 . The ablation device of  claim 10 , further comprising a delivery needle extending from the handle assembly. 
     
     
         13 . An ablation system, comprising:
 a source of electrosurgical energy;   a source of coolant fluid; and   an ablation device, including:
 a handle assembly; 
 an ablation electrode operatively connected to the source of electrosurgical energy and fluidly-coupled to the source of coolant fluid, the ablation electrode including an ablation needle extending from the handle assembly; 
 at least one delivery needle extending from the handle assembly, wherein the at least one delivery needle is selectively moveable from a first position, wherein a distal end of the at least one delivery needle is disposed proximal to a distal end portion of the ablation needle, to at least a second position, wherein at least the distal end of the at least one delivery needle is disposed distally beyond the distal end portion of the ablation needle; and 
 a biopsy tool extending from the handle assembly. 
   
     
     
         14 . The ablation system of  claim 13 , wherein the biopsy tool includes a tissue-sampling needle. 
     
     
         15 . The ablation device of  claim 13 , wherein the tissue-sampling needle includes a micro-needle configured to be slideably moveable within the tissue-sampling needle. 
     
     
         16 . The ablation system of  claim 13 , wherein the biopsy tool is a tissue-sampling device including an end-effector. 
     
     
         17 . The ablation system of  claim 13 , further comprising a drug reservoir. 
     
     
         18 . The ablation system of  claim 17 , wherein the at least one delivery needle is disposed in fluid communication with the drug reservoir. 
     
     
         19 . The ablation device of  claim 13 , wherein the biopsy tool includes a micro-forceps.