Patent ID: 8016794
Filing Date: 2011-09-13
Classification: A61B,A61M

Abstract:
1. An anchor device, comprising: an elongate body having a body wall that at least partially defines a lumen extending to a distal tip to slideably receive a catheter therein; and a subcutaneous anchor mechanism coupled to the elongate body at a location proximal from the distal tip of the elongate body, the subcutaneous anchor mechanism having a plurality of non-retractable barbs that extend away from the body wall to abut a dermis layer when in a deployed orientation in a subcutaneous layer, each of the non-retractable barbs having a free end that is biased to extend outwardly away from the body wall, wherein the plurality of non-retractable barbs are integrally formed with one another as a unitary structure, wherein the non-retractable barbs are flexibly bendable to a removal orientation that is different from an insertion orientation when the anchor mechanism is withdrawn from the subcutaneous layer and out through the dermis layer, and wherein the body wall defines a reduced-diameter portion that extends distally of at least one barb to receive the free end of said at least one barb when said at least one barb is flexed distally toward the body wall so as to maintain an outer dimension of the body wall during withdrawal through the dermis layer.