Patent ID: 9205231
Filing Date: 2015-12-08
Classification: A61M

Abstract:
1. A guidewire for use with a needle for accessing a body lumen, the guidewire comprising: a first portion comprising a coil and a core wire, the core wire housed within the coil; a second portion distal to the first portion along the guidewire, the second portion comprising the core wire and a tube adjacent to the coil, the tube forming a tube lumen, the core wire extending into the second portion from the first portion and housed within the tube lumen, the tube comprising an opening communicating with the tube lumen, the opening positioned in the second portion, wherein the opening is configured to accept a needle therethrough and into the tube lumen; and a third portion distal to the second portion along the guidewire, the second portion between the first portion and the third portion, the third portion comprising the core wire and the tube having the tube lumen, the core wire extending into the third portion from the second portion, housed within the tube lumen along the third portion, and configured to extend adjacent the needle when the needle is inserted into the tube lumen in the third portion, and wherein the first, second, and third portions have a substantially same outer diameter along an extent of the core wire housed in the coil and the tube lumen.