Insertion aid

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/09 (2006.01) A61B 5/00 (2006.01) A61M 25/00 (2006.01) A61M 25/01 (2006.01) A61M 25/02 (2006.01)

Patent

CA 2200157

An insertion aid to facilitate insertion of the proximal end of a guidewire into the distal end of a catheter including two clamping pieces (12a, 12b) each of which has the shape of a lever having two arms and are hinged to each other for pivoting about a common axis (C-C) between a closed clamp position and an open release position. A spring means (20) maintains clamping surfaces (22), each of which is provided on one arm of each clamping piece (12a, 12b), positively in contact with each other in the clamp position. The clamping surfaces (22) in their condition in contact with each other define a passage (25) oriented roughly parallel to the common pivot axis (C-C) open at both ends, said passage containing a section (25a) having an interior dimension corresponding to the outer diameter of the catheter (23) and which is flared funnel-shaped at both of its ends. In the release position the clamping surfaces (22) open the passage (25) in the lateral direction for removal of the guidewire.

Aide d'introduction, pour faciliter l'insertion de l'extrémité proximale d'un fil-guide dans l'extrémité distale d'un cathéter, comportant deux pièces de serrage (12a, 12b) qui ont toutes deux la forme d'un levier à deux bras et qui sont reliées l'une à l'autre par des charnières afin de tourner autour d'un axe commun (C-C) entre une position de serrage fermée et une position de desserrage ouverte. Un dispositif à ressort (20) maintient des surfaces de serrage (22), chacune desquelles est prévue sur un bras de chaque pièce de serrage (12a, 12b), en contact les unes avec les autres dans la position de serrage. Les surfaces de serrage (22), lorsqu'elles sont en contact les unes avec les autres, définissent un passage (25) plus ou moins parallèle à l'axe commun (C-C), ouvert à chaque extrémité, comprenant une section (25a) dont la dimension interne correspond au diamètre externe du cathéter (23) et qui est évasé aux deux extrémités. Dans la position de desserrage, les surfaces de serrage (22) ouvrent le passage (25) dans le sens latéral pour retirer le fil-guide.

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