Patent ID: 9254162
Filing Date: 2016-02-09
CPC Classification: A61B

Claim Text:
1. A system for treating a target tissue of a patient, the system comprising: a first having a proximal end, an axially sealed distal tissue penetrating end, and a lumen therebetween, the first needle comprising a 16 gauge or smaller needle size; a first cooling fluid supply lumen extending distally within the first needle lumen to a distal portion of the first needle lumen, the first supply lumen defined by a first supply tube comprising fused silica and wherein the first supply tube within the needle further includes a polymer over the fused silica; a cooling fluid source coupleable to the first supply lumen to direct cooling fluid flow into the first needle lumen so that liquid from the cooling flow vaporizes within the target tissue when the first needle extends into the target tissue; a handpiece body supporting the needle; at least one distally oriented skin engaging surface supported by the handpiece body so as to engage the skin surface before, during and/or after cooling of the target tissue; and wherein the skin-engaging surface comprises a cooled tissue engaging surface.