Common bond, double-balloon catheter

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/00 (2006.01) A61B 18/02 (2006.01) A61M 25/10 (2006.01)

Patent

CA 2667101

A method of manufacturing a catheter can include assembling an inner balloon within a separate outer balloon. The inner and outer balloons can each be open on opposing longitudinal ends and have a central radially expandable portion, and proximal and distal reduced diameter portions on opposite longitudinal end portions of the balloon. The method can further include bonding a portion of an inner surface of the outer balloon proximal reduced diameter portion to a portion of an outer surface of the inner balloon proximal reduced diameter portion and bonding a distal end portion of an elongate catheter shaft to a proximal portion of the bonded inner and outer balloons.

L'invention concerne un procédé de fabrication d'un cathéter pouvant inclure l'assemblage d'un ballon intérieur dans un ballon extérieur séparé. Les ballons intérieur et extérieur peuvent être chacun ouverts sur des extrémités longitudinales opposées et avoir une partie centrale radialement extensible, et des parties de diamètre réduit proximale et distale sur des parties d'extrémité longitudinale opposées du ballon. Le procédé peut en outre inclure le collage d'une partie de la surface intérieure de la partie de diamètre réduit proximale du ballon extérieur sur une partie de la surface extérieure de la partie de diamètre réduit proximale du ballon intérieur et la liaison d'une partie d'extrémité distale d'une tige de cathéter allongée sur une partie proximale des ballons intérieur et extérieur liés.

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