Patent ID: 8137790
Filing Date: 2012-03-20
Classification: A61B,B32B,D04H,Y10T

Abstract:
1. A nonwoven medical drape fabric comprising a nonwoven web material layer having thermoplastic polymer fibers or filaments, wherein the nonwoven web material layer has an embossed pattern including compressed portions with a compressed thickness Tc and expanded portions, each expanded portion having an expanded thickness Te, wherein the expanded portions have an increased void volume compared to the original nonwoven web material layer of thickness Ts prior to embossing, wherein the nonwoven material layer is formed by: embossing the original nonwoven web material layer by passing the original nonwoven web material layer between a rotating patterned steel roll with engraved depressed areas and a counter rotating resilient roll, and wherein the nonwoven medical drape fabric is a fenestration material adjacent a fenestration defined in a medical drape.