Patent ID: 8224424
Filing Date: 2012-07-17
Classification: A61B,A61K,A61M

Abstract:
1. A method of marking a preselected intracorporeal tissue site for a subsequent medical procedure, comprising: a. providing a delivery cannula having an inner lumen and at least one marker body slidably disposed within the inner lumen of a delivery cannula, the marker body being formed at least in part of sintered metallic material, is recognized as artificial when remotely imaged by ultrasound and is persistent at the intracorporeal site; b. inserting the delivery cannula into the patient and advancing the tube therein until the distal end thereof is disposed at the preselected intracorporeal site; and c. discharging the at least one marker at the preselected intracorporeal site so that the at least one marker body is detectable when subject to ultrasound imaging.