Patent ID: 9681852
Date: 2017-06-20
CPC Classifications: A61B,A61F,A61L,A61M

Claim:
1. A medical device comprising a coating for ultrasound detection, said coating comprising microspheres that are visible with ultrasound, wherein the microspheres are solid and wherein the microspheres comprise glass or silicate, and wherein the diameter of at least 60% of said microspheres on said medical device is between 22 and 45 μm and wherein the density of said microspheres on the surface of said medical device is between 45 and 450 microspheres/mm a) the diameter of at least 60% of the microspheres on the medical device is between 22 and 27 μm and the density of the microspheres on the surface of the medical device is between 150 and 450 microspheres/mm b) the diameter of at least 60% of the microspheres on the medical device is between 27 and 32 μm and the density of the microspheres on the surface of the medical device is between 70 and 450 microspheres/mm c) the diameter of at least 60% of the microspheres on the medical device is between 32 and 38 μm and the density of the microspheres on the surface of the medical device is between 45 and 225 microspheres/mm d) the diameter of at least 60% of the microspheres on the medical device is between 38 and 45 μm and the density of the microspheres on the surface of the medical device is between 45 and 150 microspheres/mm