A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/14 (2006.01) A61M 25/00 (2006.01) A61M 25/16 (2006.01) A61B 17/34 (2006.01) A61M 25/06 (2006.01)
Patent
CA 2249064
An elongate member (207) is coated with a coating (209), preferably by co- extrusion, and the coated elongate member (207) is wound in a helical manner around a mandrel (213). The coated elongate member (207) preferably has a square cross-sectional shape so that adjacent portions of the coated elongate member (207) engage one another when the coated elongate member (207) is wound around the mandrel (213). The coated elongate member (207) is then heated so that the coating (209) on adjacent portions of the coated elongate member (207) fuse together to form an integral structure. Another layer (225) of material may be provided on the radially inner or outer wall of the coated elongate member (207).
Un élément allongé (207) est revêtu d'un revêtement (209), de préférence par coextrusion, puis l'élément allongé revêtu (207) est enroulé d'une manière hélicoïdale autour d'un mandrin (213). L'élément allongé revêtu (207) a de préférence une section carrée, de façon que ses parties adjacentes entrent en contact les unes avec les autres quand il est enroulé autour du mandrin (213). Il est ensuite chauffé de façon que le revêtement (209) disposé sur ses parties adjacentes fusionnent pour former une structure monobloc. Une autre couche (225) de matériau peut recouvrir la paroi radiale interne ou externe de l'élément allongé revêtu (207).
Fetherstonhaugh & Co.
Heartport Inc.
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