Guidewires and catheters for use in surgical procedures

A - Human Necessities – 61 – M

Patent

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A61M 25/09 (2006.01)

Patent

CA 2757655

The present invention relates to catheter and guidewire devices and embodi-ments thereof. In particular, the present inven-tion relates to catheter and guidewire devices further including embodiments directed to de-vices having elastomer laminate layers, and formed from hybrid materials. In an exemplary embodiment, a catheter device comprising: a micro-fabricated elongated outer member hav-ing an outer surface and an interior surface forming a lumen extending from a proximal end to a distal end and a plurality of fenestrations made through said outer surface and said interi-or surface into at least a portion of said lumen; and an outer elastomer laminate layer in contact with at least a portion of said outer surface and filling said plurality of fenestrations is provided.

La présente invention concerne des dispositifs de cathéter et de fil de guidage et certains de leurs modes de réalisation. La présente invention concerne en particulier des dispositifs de cathéter et de fil de guidage qui comprennent en outre des modes de réalisation qui concernent des dispositifs qui présentent des couches stratifiées en élastomère et formés de matériaux hybrides. Un exemple de réalisation propose un dispositif de cathéter qui comprend un micro-élément extérieur allongé qui présente une surface extérieure et une surface intérieure qui forment une lumière qui s'étend de l'extrémité proximale à l'extrémité distale et plusieurs fenêtres ménagées dans ladite surface extérieure et ladite surface intérieure dans au moins une partie de ladite lumière, ainsi qu'une couche extérieure stratifiée en élastomère en contact avec au moins une partie de ladite surface extérieure et qui remplit lesdites fenêtres.

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