Patent ID: 9375280
Filing Date: 2016-06-28
CPC Classification: A61B,H01Q,Y10T

Claim Text:
1. A microwave antenna assembly comprising: a hub; a cylindrical sheath extending distally from the hub, the cylindrical sheath defining a chamber; a feedline configured to deliver microwave energy, the feedline including an inner conductor, an outer conductor, and an inner insulator disposed between at least a portion of the inner conductor and the outer conductor, wherein at least a portion of the inner conductor of the feedline extends through the chamber defined by the cylindrical sheath; and a fluid flow tube extending through the chamber defined by the cylindrical sheath, the fluid flow tube configured to deliver a coolant fluid to the chamber defined by the cylindrical sheath to cool the portion of the inner conductor of the feedline extending through the chamber defined by the cylindrical sheath and to a proximal portion of the hub to cool the proximal portion of the hub.