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US 5,226,911 AGranted
Vasoocclusion coil with attached fibrous element(s)
AssigneeTarget Therapeutics, Inc.
InventorsU. Hiram Chee, Mike Mariant
Life of this patent
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Abstract
A device for occluding a blood vessel comprising a helical metal coil having at least one fibrous element attached to its proximal end wherein the fibrous element(s) extends in a sinusoidal wave configuration, the loops of which extend about individual windings at spaced intervals along the axis of the coil.
Claims13
A vasoocclusive device comprising:
- (a) a helical coil for occluding blood flow having a multiplicity of windings extending between a first end and a second end;
- (b) at least one fibrous element having a first end and a second end, with the portion of the element intermediate said ends extending axially along the coil in a generally serpentine configuration composed of a plurality of loops having maxima that extend radially outwardly and minima that extend radially inwardly and are threaded about individual windings at spaced intervals along the coil.
Dependencies are inferred from the claim text.