Catheter with detached proximal inflation and guidewire shafts
US7208001B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2003 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Jan 13, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0186
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A balloon catheter includes a full-length inflation shaft and a guidewire shaft for fast catheter and guidewire exchange. The proximal portions of the inflation shaft and the guidewire shaft are detached from one another. The detached proximal shaft portions transition within a conversion portion of the catheter shaft and become coaxial within a distal portion of the catheter shaft. The proximal portion of the guidewire shaft may contain a continuous, longitudinally extending slot that acts as a guide member or guidewire track. Alternatively, the proximal portion of the guidewire shaft maybe removable from the catheter at a conversion joint via a snap-fit connection. Both embodiments allow for catheter exchange without removing the guidewire from a body lumen, or allow guidewire exchange without removing the catheter from the body lumen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.