Multi-coating stainless steel guidewire

Details Multi-coating stainless steel guidewire Multi-coating stainless steel guidewire

Category

A - Human Necessities

Subcategory

61

Subsubcategory

M

IPC codes

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

Type

Patent

Patent number

CA 2186901

Description

This is a surgical instrument. It is a guidewire made of a stainless steel alloy core which is coated with a non-hydrophilic lubricious polymer on the majority of its length located proximally and a hydrophilic polymer located at the majority of the remaining distal length of the guidewire. Preferably, the guidewire has a polymeric tie layer located between the metallic core of the guidewire assembly and the hydrophilic polymeric layer. The metallic core is one of a number of stainless steels so to preserve its torque transmitting capabilities. Desirably the outside diameter of the guidewire is constant from the distal end to the proximal end. The metallic core may be tapered at appropiate locations along the guidewire assembly.

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