Specialized catheter and method for placement in a bifurcated vessel
US8066753B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jan 8, 2009 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | Apr 24, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/821
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A specialized catheter is used in a method to place a stent assembly in a bifurcated vessel in an animal body, such as a human. Primary and secondary guidewires are inserted from a location external of the body through the primary vessel, the secondary guidewire being further inserted into a secondary vessel beyond a bifurcation area. The guidewires are inserted into a primary stent and catheter assembly such that the assembly can move along the guidewires to the bifurcation area where the primary stent is expanded. While retaining the secondary guidewire in the vessels, the primary catheter assembly and primary guidewire are removed, the secondary guidewire passing through specialized openings in the primary catheter. Then the secondary stent, mounted on a catheter, is passed through the primary vessel guided by the secondary guidewire, and into the secondary vessel. There, the secondary stent is expanded to form the bifurcated stent assembly in an efficient manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.