Torquable, low mass medical guidewire

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/09 (2006.01) A61B 1/00 (2006.01) A61B 5/00 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2264026

A guidewire (10) for use in endoscopic retrograde chol-angio pancreato-graphy includes a proximal section defined by a fiber rod (24), a tube (22), and a connection mechanism for attaching the tube (22) and the fiber rod (24) together in a collinear relationship. The guidewire (10) also includes a flexible distal section (19) which is attached to the distal end of the tube. The distal section is comprised of a super-elastic core (20) having a radiopaque marker (40) disposed about its distal end, and at least a portion of the distal section is enveloped by an insulating sleeve (36).

L'invention porte sur un fil de guidage (10) destiné à être utilisé dans une cholangiopancréatographie rétrograde endoscopique et comprenant une section proximale formée par une tige fibreuse (24), un tube (22) et un mécanisme de raccordement destiné à fixer le tube (22) et la tige fibreuse (24) de manière colinéaire. Le fil de guidage (10) comprend également une section distale flexible (19) fixée à l'extrémité distale du tube. La section distale est constituée d'une partie centrale super-élastique (20) comportant un marqueur (40) opaque aux rayons X disposé autour de l'extrémité distale, au moins une partie de la section distale étant entourée d'une gaine isolante (36).

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