A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/06 (2006.01) A61D 1/00 (2006.01) A61M 29/00 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2189354
A stent (1) comprising a self-expandable cylindrical body constructed of a single integral piece of material (8), including a plurality of wavy closed windings (10), and strips (16) interconnecting the windings such that the stent is prevented from stretching longitudinally, is provided. A method of manufacture of the stent by winding a continuous wire (10) upon spikes (44) on an elongated mandrel (40) to form a self-expanding shape memory coil is disclosed. A method of implanting the stent by releasably securing the stent in a sheath for insertion into a body cavity to maintain patency, is also disclosed.
Extenseur (1) comprenant un corps cylindrique auto-expansible fabriqué en une seule pièce de matériau (8), et comportant une pluralité d'enroulements fermés et ondulés (10), avec des bandes (16) reliant entre eux ces enroulements en vue d'empêcher l'étirement longitudinal de l'extenseur. L'invention porte également sur un procédé de fabrication de cet extenseur, qui consiste à enrouler un fil métallique continu (10) sur des pointes (44) d'un mandrin allongé (40) afin de former un enroulement à mémoire de forme auto-expansible, ainsi que sur un procédé d'implantation de l'extenseur, consistant à le fixer libérable dans une gaine afin de l'insérer dans une cavité du corps pour la maintenir sans obstruction
Goudreau Gage Dubuc
The Regents Of The University Of Minnesota
LandOfFree
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