Steerable catheter with rapid exchange lumen

Details Steerable catheter with rapid exchange lumen Steerable catheter with rapid exchange lumen

A - Human Necessities

61

M

A61M 25/01 (2006.01) A61B 1/00 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2661838

A medical device for advancement over a guidewire includes a number of lumens therein including a working channel lumen, one or more control wire lumens, and a guidewire lumen. A flexible support within the device includes a number of interlocking elements that resist longitudinal compression, transfer rotational torque, and can bend side to side. The flexible support also includes a slot that is aligned with the guidewire lumen. An outer jacket includes a perforation, slot, slit, or thinned area that is aligned with the slot in the support member and the guidewire lumen in order to allow a device such as a guidewire to be removed from the guidewire lumen and through the support member.

Un dispositif médical pouvant avancer sur un fil de guidage comprend un certain nombre de lumens, y compris un lumen de canal de travail, un ou plusieurs lumens pour le fil de contrôle et un lumen pour le fil de guidage. Un support flexible dans le dispositif comprend un certain nombre d'éléments interconnectés qui résistent à une compression longitudinale, transfèrent le couple de rotation et peuvent se courber d'un côté à l'autre. Le support flexible comprend également une fente qui est alignée avec le lumen du fil de guidage. Une chemise externe comprend une perforation, une rainure, une fente, ou une zone amincie qui est alignée avec la fente dans l'élément de support et le lumen du fil de guidage, afin de pouvoir retirer un dispositif tel qu'un fil de guidage du lumen du fil de guidage à travers l'élément de support.

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