Shape memory polymer foams for endovascular therapies
AssigneeLawrence Livermore National Security, LLC
InventorsThomas S. Wilson, Duncan J. Maitland
Life of this patent
Estimating the term…
Abstract
A system for occluding a physical anomaly. One embodiment comprises a shape memory material body wherein the shape memory material body fits within the physical anomaly occluding the physical anomaly. The shape memory material body has a primary shape for occluding the physical anomaly and a secondary shape for being positioned in the physical anomaly.
Claims24
An apparatus for endovascular therapy by occluding a physical anomaly, said anomaly having an interior, comprising:
- a shape memory material body for positioning in the interior of the physical anomaly, wherein said shape memory material body comprises a shape memory polymer foam;
- a delivery system for delivering said shape memory material body that comprises a shape memory polymer foam into the interior of the physical anomaly;
- and
- a system for providing said shape memory material body that comprises a shape memory polymer foam with a primary shape for occluding the physical anomaly and a secondary shape for being delivered into the interior of the physical anomaly;
- wherein said shape memory polymer foam is a shape memory polymer foam composed of a polyurethane shape memory polymer with an open cell foam structure.
An apparatus for endovascular therapy by occluding an aneurism having an interior, comprising:
- a shape memory polymer material body for being positioned in the interior of the aneurism, wherein said shape memory polymer material body comprises a shape memory polymer foam;
- a delivery system for delivering said shape memory polymer material body that comprises a shape memory polymer foam into the interior of the aneurism;
- and
- an activation system for providing said shape memory polymer material body with a primary shape for occluding the aneurism and a secondary shape for being positioned in the interior of the aneurism;
- wherein said shape memory polymer material body that comprises a shape memory polymer foam is a collapsed shape memory polymer foam device connected at the end of a guide wire.
An apparatus for endovascular therapy by occluding a physical anomaly, said anomaly having an interior, comprising:
- a shape memory material body for positioning in the interior of the physical anomaly, wherein said shape memory material body comprises a shape memory polymer foam;
- a delivery system for delivering said shape memory material body that comprises a shape memory polymer foam into the interior of the physical anomaly;
- and
- a system for providing said shape memory material body that comprises a shape memory polymer foam with a primary shape for occluding the physical anomaly and a secondary shape for being delivered into the interior of the physical anomaly;
- wherein said system for providing said shape memory material body that comprises a shape memory polymer foam with a primary shape and a secondary shape comprises electromagnetic energy.
An apparatus for endovascular therapy by occluding a physical anomaly, said anomaly having an interior, comprising:
- a shape memory material body for positioning in the interior of the physical anomaly, wherein said shape memory material body comprises a shape memory polymer foam;
- a delivery system for delivering said shape memory material body that comprises a shape memory polymer foam into the interior of the physical anomaly;
- and
- a system for providing said shape memory material body that comprises a shape memory polymer foam with a primary shape for occluding the physical anomaly and a secondary shape for being delivered into the interior of the physical anomaly;
- wherein said shape memory material body that comprises a shape memory polymer foam is a collapsed shape memory polymer foam device connected at the end of a guide wire.
An apparatus for endovascular therapy by occluding an aneurism having an interior, comprising:
- shape memory polymer material body for being positioned in the interior of the aneurism, wherein said shape memory polymer material body comprises a shape memory polymer foam;
- a delivery system for delivering said shape memory polymer material body that comprises a shape memory polymer foam into the interior of the aneurism;
- and
- an activation system for providing said shape memory polymer material body with a primary shape for occluding the aneurism and a secondary shape for being positioned in the interior of the aneurism;
- wherein said activation system for providing said shape memory polymer material body with a primary shape and a secondary shape comprises electromagnetic energy.
Dependencies are inferred from the claim text.