Balloon folding technology

Details Balloon folding technology Balloon folding technology

B - Operations, Transporting

29

C

B29C 53/08 (2006.01) A61M 25/10 (2006.01) A61M 29/00 (2006.01) B29C 33/26 (2006.01) B29C 33/42 (2006.01) B29C 53/02 (2006.01)

Patent

CA 2441946

An apparatus for folding a catheter balloon comprises a stationary base member (22); a rotatable drive hub (23) which is moveable in relation to the stationary base member (22); and a pleating head (11) aligned with respect to the stationary base member (22) and to the rotatable drive hub (23). The pleating head (11) includes at least three segments (33), each having a proximal end and angled distal end with at least one angled side face terminating in and edge of a predetermined length. Each segment (33) has a centerline between the proximal and distal ends, each segment having a proximal point and a distal point, and the proximal point being pivotally coupled by pins to the stationary base member (22) and the distal point being pivotally coupled by pins to the rotatable hub member (23). The segments (33) are arranged so that the segment distal ends are disposed adjacent to a predetermined distance away from a central aperture.

L'invention concerne un appareil de pliage d'un ballonnet de cathéter comprenant un élément de base fixe (22), un moyeu d'entraînement rotatif (23) pouvant être déplacé par rapport à l'élément de base fixe (22), et une tête de plissage (11) alignée par rapport à l'élément de base fixe (22) et au moyeu d'entraînement rotatif (23). La tête de plissage (11) comprend au moins trois segments (33), chacun comportant une extrémité proximale et une extrémité distale oblique avec au moins une face latérale oblique se terminant en un bord d'une longueur déterminée. Chaque segment (33) comporte une ligne centrale entre ces extrémités distale et proximale, ainsi qu'un point proximal et un point distal. Le point proximal est couplé pivotant par des tiges à l'élément de base fixe (22) et le point distal est couplé pivotant par des tiges au moyeu d'entraînement rotatif (23). Les segments (33) sont disposés de manière que les extrémités distales du segment se trouvent à une distance voisine déterminée d'une ouverture centrale.

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