Patent ID: 9241753
Filing Date: 2016-01-26
CPC Classification: A61B,A61L

Claim Text:
1. A method for cryogenically treating tissue, the method comprising: providing a needle probe shaft having a distal portion and a proximal portion, the needle probe shaft comprising a first conductivity at the distal portion and a second conductivity at the proximal portion, wherein the proximal portion extends axially along a longitudinal axis of the needle probe shaft, and wherein the second conductivity is greater than the first conductivity; advancing the needle probe shaft into non-target tissue layered above target tissue, such that the distal portion of the needle probe shaft is positioned within the target tissue and the proximal portion of the needle probe shaft is positioned within the non-target tissue cooling the target tissue via the distal portion of the needle probe shaft to affect remodeling of the target tissue; and directly conducting energy to the proximal portion of the needle probe shaft while cooling the target tissue, thereby limiting cooling of the non-target tissue.