Composite endovascular guidewire

Details Composite endovascular guidewire Composite endovascular guidewire

A - Human Necessities

61

M

A61M 25/09 (2006.01) A61L 31/02 (2006.01) A61L 31/10 (2006.01)

Patent

CA 2200766

This invention is a surgical device. It is a composite guidewire for use in a catheter and is used for accessing a targeted site in a lumen system of a patient's body. The composite guidewire assembly is especially useful for accessing peripheral or soft tissue targets. The invention includes multi-section guidewire assemblies having (at least) super-elastic distal portions and super-elastic braided reinforcements along the mid or distal sections. A variation of the inventive guidewire includes the coating of the wire with a tie layer and then with a one or more lubricious polymers to enhance its suitability for use within catheters and with the interior of vascular lumen.

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