Back to results
US 7,247,159 B2Granted
Activatable bioactive vascular occlusive device
AssigneeCordis Neurovascular, Inc.
InventorsJuan A. Lorenzo, Mark L. Pomeranz, Darren Sherman
Life of this patent
Estimating the term…
Abstract
A vascular occlusive device, such as an embolic coil, having thrombogenic fibers extending from the coil and having an outer barrier which encapsulates and flattens the fibers along the sides of the embolic coil for preventing activation of the coil until the outer barrier has been dissolved, or removed, from the embolic coil.
Claims16
A vascular occlusive device comprising:
- a vascular occlusive embolic coil;
- a plurality of thrombogenic fibers mounted on said embolic coil;
- and having a first unconstrained position and a second constrained position;
- and,
- an outer barrier disposed over said plurality of thrombogenic fibers for normally constraining said thrombogenic fibers in the second constrained position, said outer barrier exhibiting the characteristics of dissolving when exposed to bodily fluids to thereby release said thrombogenic fibers to permit said thrombogenic fibers to return to the first unconstrained position to thereby react with bodily fluids in order to cause tissue ingrowth.
2 more elements
A vascular occlusive device comprising:
- a vascular occlusive embolic coil;
- a thrombus inducing member disposed on said embolic coil and having a first unconstrained position and a second constrained position;
- and,
- an outer barrier disposed on said thrombus inducing member for normally constraining said thrombus inducing member in the second constrained position, said outer barrier exhibiting the characteristic of dissolving when exposed to bodily fluids to thereby release said thrombus inducing member to permit said thrombus inducing member to return to the first unconstrained position to thereby react with bodily fluids in order to cause tissue ingrowth.
1 more element
A vascular occlusive device comprising:
- a vascular occlusive embolic coil;
- a thrombus inducing member disposed on said embolic coil and having a first unconstrained position end a second constrained position;
- and,
- an outer barrier disposed on said thrombus inducing member for normally constraining said thrombus inducing member in the second constrained position, said outer barrier exhibiting the characteristic of being substantially inert to bodily fluid but dissolving when exposed to an external agent to thereby release and uncover the thrombus inducing member and to permit the thrombus inducing member to return to the first, unconstrained position.
1 more element
Dependencies are inferred from the claim text.