Patent ID: 7749193
Filing Date: 2010-07-06
Classification: A61M

Abstract:
1. A venous port adapted to be placed through a body tissue and implanted in a surface vein for the purpose of unimpeded intake of fluid through an aperture thereof, comprising: a hollow tube defining at least one aperture configured for the unimpeded intake of fluid when implanted in the surface vein; and a plurality of extensions, each operative to be at at least two positions with respect to said at least one aperture, a first position near said at least one aperture and a second position in which at least part of each of said plurality of extensions extends away from said at least one aperture, wherein if said at least one aperture is blocked by an impediment, relative movement of said plurality of extensions with respect to said at least one aperture, from said first position to said second position, operates to dislodge the impediment from said at least one aperture and to open at least one blood passageway among said plurality of extensions; wherein said hollow tube has a portion sized and shaped to prevent the insertion of more than 10 cm of said hollow tube in the body of a patient when implanted so that said hollow tube is adapted to be implanted in the surface vein and withstand the unimpeded intake of fluid for a period of one or more days.