Patent ID: 9399101
Filing Date: 2016-07-26
CPC Classification: A61B,A61M

Claim Text:
1. A perfusion needle system for the direct simultaneous injection and flow of a therapeutic substance fluid within a target tissue during cryothermal ablation of the target tissue, said perfusion needle system comprising: at least one cryogenic probe for insertion in a patient's bodily tissue, said cryogenic probe having a cooling tip for selective cooling and thawing of the tissue; an injection syringe containing a fluid therapeutic substance; a pressure line fluidly connected to said injection syringe, said pressure line including a pressure sensor configured to interface with a pressure sensing system for determining pressure of said fluid therapeutic substance in said pressure line; and at least one insulated injection needle fluidly communicative with said pressure line, said insulated injection needle comprising: a port at a proximal end of said insulated injection needle for connecting to said injection syringe; a tubular insulated needle body having a wall forming said tubular body;