US Patent 11779736 Adjustable neck catheter

A catheter having a head with a head orifice and a head channel connected to the head orifice, a primary lumen wall that defines an internal primary lumen volume, an adjustable neck that connects the head channel to the internal primary lumen volume, an adjustment system partially enclosed in the primary lumen wall that provides an articulation of the adjustable neck between an extended position to a contracted position, wherein the articulation from the extended position to the contracted position provides a flexible tip catheter while the articulation from the contracted position to the extended position provides an ability to angulate toward a target.