Patent ID: 9220575
Filing Date: 2015-12-29
Classification: A61B

Abstract:
1. A marker device for use in an image-guided procedure on a patient, said marker device comprising an electromagnetic (EM) sensor, a frame, a plurality of visualizable elements, a plurality of projections, a plurality of openings, and a plurality of adhesive members, said visualizable elements being laterally spaced from said projections and not forming a portion of said projections, said electromagnetic (EM) sensor having a housing, each of said adhesive members having an adhesive surface, said frame comprising a single base portion, plural legs supported by said single base portion, and a socket mounted on said base portion for releasable receipt of said electromagnetic (EM) sensor housing, said legs projecting upward from said base portion and merging at a first location, each of said visualizable elements being formed of material that can be readily imaged by an imaging modality to establish imaging reference points, each of said visualizable elements being separate members from said frame, but being located on said frame adjacent respective legs of said frame with one of said visualizable elements being located at said first location and with the others of said visualizable elements located therebelow, with all of said visualizable elements defining a space therebetween, said socket being located within said space, each of said plural adhesive members being releasably coupled to said frame by the releasable receipt of a respective one of said projections within a respective one of said openings at locations adjacent said legs, said plurality of adhesive members also being configured to be releasably secured to the skin of the patient by said adhesive surfaces thereof to releasably secure said frame to the skin of the patient in a stable position and orientation without penetrating the skin of the patient.