Guidewire having hydrophilic coating

Details Guidewire having hydrophilic coating Guidewire having hydrophilic coating

1998-11-23

2000-03-28

Dudash, Diana

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Device for creating or holding open an unnatural opening in...

427 23, 427358, 4274344, 4274346, 4274347, B05D 302, B05D 100

Patent

active

060428767

ABSTRACT:
A guidewire comprises a core wire having a coil tip at its distal end. The coil tip includes a helically wound filament having adjacent turns spaced apart by a preselected distance. The guidewire is coated with a polymeric material, typically a hydrophilic polysaccharide, such as hyaluronic acid or chondroitin sulfate. By properly selecting the spacing between adjacent turns of the coil tip, the hydrophilic coating will adhere to the coil tip in a manner which does not penetrate the coil and which does not significantly interfere with flexibility and bendability of the coil tip.

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