Shape-memory polymer foam device for treating aneurysms
US9662119B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 13, 2013 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Feb 22, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/12077
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for treating an aneurysm in a blood vessel or vein, wherein the aneurysm has a dome, an interior, and a neck. The system includes a shape memory polymer foam in the interior of the aneurysm between the dome and the neck. The 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. The second pore size is larger than said first pore size. The first multiplicity of pores are located in the neck of the aneurysm. The second multiplicity of pores are located in the dome of the aneurysm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.