System and method for implanting a replacement valve
US8858619B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2006 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Aug 24, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/958
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for percutaneously inserting a prosthesis containing a biological replacement for a defective valve into an implantation site through a body lumen. The system contains a balloon catheter upon which a collapsable stent containing a venous valvular replacement is mounted. A protective shield is slidably mounted upon the catheter that is movable between a closed position over the balloon and an open position wherein the balloon can be inflated to expand the stent. A central lumen runs through the catheter that is formed of stainless steel. The central lumen provides a one to one torque ratio between the proximal end of the catheter and the distal end to enhance the steerability of the catheter. The vein of the replacement is reduced in thickness between 50% and 90% of its original size thereby considerably reducing the size of the replacement package when the stem is collapsed upon the balloon of the catheter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.