Rapid exchange delivery cathether

Details Rapid exchange delivery cathether Rapid exchange delivery cathether

A - Human Necessities

61

M

A61M 25/00 (2006.01) A61F 2/06 (2006.01) A61M 25/01 (2006.01) A61M 25/088 (2006.01) A61B 17/22 (2006.01) A61B 19/00 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2194445

A catheter exchange member (116) is provided for reducing exchange time when replacing one catheter with another in the vascular anatomy of a patient. The catheter exachange member (116) includes a tubular body (16) having a proximal and a distal end (118) and a central lumen. A tapered fixture (12) having a distal port and a proximal opening which is larger than the distal port is attached to the tubular body at the distal port. An elongate shaft is attached to and extends proximally from either the tapered fixture or the tubular body. The exchange member is preferably used within a conventional guiding catheter (110) where the tubular body is advanced through a distal end of the guiding catheter and into the coronary artery while the tapered fixture remains in the guiding catheter. This configuration allows various therapeutic and diagnostic devices to be stored within the guiding catheter just proximal to the tapered fixture.

Elément de cathéter (116) permettant de réduire le temps nécessaire pour remplacer un cathéter par un autre dans le système vasculaire d'un patient, et comportant un corps tubulaire (16) présentant une extrémité proximale (110), une extrémité distale (118) et une lumière centrale. Un raccord conique (12) présentant un orifice distal et un orifice proximal plus large que ce dernier est fixé au corps tubulaire par son orifice distal. Une tige allongée s'étendant dans le sens proximal est fixé soit au raccord conique, soit au corps tubulaire. L'élément de changement s'emploie de préférence avec un cathéter de guidage de type usuel (110) dans lequel le corps tubulaire pénètre d'abord par l'extrémité distale dudit cathéter pour atteindre l'artère coronaire tandis que le raccord conique reste dans le cathéter de guidage. Cette configuration permet de placer différents dispositifs de traitement ou de diagnostic dans le cathéter de guidage à proximité immédiate du raccord conique.

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