Balloon catheter with radiopaque marker
US8251949B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 10, 2007 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Feb 15, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1079
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A catheter for delivering a stent includes an outer tube having a proximal end, a distal end and a wall defining a lumen; an inner tube disposed within the outer tube and defining a lumen for a guidewire, wherein a portion of a length of the inner tube is wrapped around with a spiral-shaped wire; a balloon sealingly connected to the inner tube and the outer tube adjacent the distal ends thereof, the balloon defining an interior volume and having an exterior surface; and a marker made from a wire of a highly radiopaque and ductile material, wherein the wire is wrapped in a plurality of at least partially overlapping layers such that the marker is flexible along the length of the catheter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.