Patent ID: 9204995
Filing Date: 2015-12-08
Classification: A61B,A61F,B23K

Abstract:
1. An instrument comprising: a handle having a handle distal end and a handle proximal end; a surgical blank, the surgical blank at least partially disposed in the handle; a first forceps jaw of the surgical blank having a first forceps jaw distal end and a first forceps jaw proximal end; a second forceps jaw of the surgical blank having a second forceps jaw distal end and a second forceps jaw proximal end; a first abrasive surface of the surgical blank, the first abrasive surface configured to grasp a portion of a membrane; a first plurality of micropillars of the first abrasive surface wherein the first plurality of micropillars have micropillar heights less than 3.0 micrometers and wherein the first plurality of micropillars have first micropillar diameters in a range of 10.0 to 15.0 micrometers; a second abrasive surface of the surgical blank, the second abrasive surface configured to grasp the portion of the membrane; a second plurality of micropillars of the second abrasive surface wherein the second plurality of micropillars have second micropillar diameters in a range of 15.0 to 20.0 micrometers; a third abrasive surface of the surgical blank, the third abrasive surface configured to grasp the portion of the membrane; and a third plurality of micropillars of the third abrasive surface wherein the third plurality of micropillars have third micropillar diameters in a range of 20.0 to 25.0 micrometers.