| CPC A61B 17/12113 (2013.01) [A61B 17/12036 (2013.01); A61B 17/1214 (2013.01); A61B 17/12145 (2013.01); A61B 17/12172 (2013.01); A61B 2017/00526 (2013.01); A61B 2017/22042 (2013.01); A61F 2002/016 (2013.01)] | 20 Claims |

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1. A non-occlusive blood restricting device for delivery by a microcatheter and for treating a vascular malformation, the blood restricting device comprising a wire comprising:
a first section configured to be coiled into a first coil when deployed within the vascular malformation; wherein said first coil comprises a spiral or sequence of loops, said spiral or sequence of loops having a gradually decreasing diameter; and wherein said first coil is configured to line a neck, a wall, or the neck and the wall of the vascular malformation so as to at least partially cover an orifice of the vascular malformation; and
a second section configured to be deployed within a blood vessel, adjacent the vascular malformation; wherein said second section is configured to form a second coil, circumferentially lining a wall of the blood vessel.
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