Patent ID: 9662119
Date: 2017-05-30
CPC Classifications: A61B

Claim:
1. An apparatus to treat an aneurysm in a blood vessel, wherein the aneurysm has a dome, an interior, and a neck; comprising: a shape memory polymer foam to be boated in the interior of the aneurysm between the dome and the neck; and at least one fluid transport channel that includes: a first portion in a first peripheral wall of the shape memory polymer foam, a second portion in a second peripheral wall of the shape memory polymer foam, and a third portion that couples the first and second portions to each other; wherein said shape memory polymer foam has pores that include a first multiplicity of pores having a first pore size and a second multiplicity of pores having a second pore size, said second pore size being larger than said first pore size; wherein said first multiplicity of pores having a first pore size are configured to be located in the neck of the aneurysm; wherein the third portion includes at least one of the first and second multiplicities of pores.