Patent ID: 7641682
Filing Date: 2010-01-05
Classification: A61F

Abstract:
1. An implantable medical device, comprising: a. a body member comprising a film selected from the group consisting of vacuum-deposited metallic and vacuum-deposited pseudometallic materials and having a first surface, a second surface, and a thickness intermediate the first surface and the second surface; and, b. a plurality of microperforations passing through the thickness of the body member and communicating between the first surface and the second surface, wherein said plurality of microperforations further comprise a first row of microperforations and a second row of microperforations, wherein the first row of microperforations is offset from the second row of microperforations with an end of an microperforation in the first row being laterally adjacent to an intermediate section of a microperforation in the second row.