Patent ID: 7261557
Filing Date: 2007-08-28
Classification: A61F

Abstract:
1. A portable warmer of a biocompatible fluid comprising: (a) an outer stainless steel housing comprising a first outer diameter, a first inner diameter, and at least one flow channel located between said first inner diameter and said first outer diameter, said flow channel comprising an inlet section and an outlet section; (b) an inner aluminum housing having a second outer diameter sized to fit snugly within said outer housing and an inner wall defining a second inner diameter and an internal volume; (c) a multiplicity of heat transfer protrusions affixed to said inner wall; (d) a metallic mesh located within said internal cylindrical volume; (e) a gas delivery line comprising a distal end region located within said internal volume and a proximal end region located outside said internal volume; (f) a valve located in the distal end region of said gas delivery line; and (g) a spark igniter located in said internal volume and situated close enough to said valve such that when said valve is open and gas flows through said gas delivery line and said valve into said internal volume, the igniter can ignite the gas and cause the wire mesh to be heated to a temperature in excess of 420 degrees Centigrade.