Catheter or stent delivery system
US10751206B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Aug 13, 2018 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Feb 23, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0681
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for delivering catheters, and stents composed of soft, compliant polymers through anatomical passages. These devices have a bulbous or enlarged anchorage end with a diameter greater than the rest of the catheter. To facilitate implant and delivery a pusher catheter or sheath with an internal lumen larger than the outer diameter of the catheter but smaller than the outer diameter of the bulbous or enlarged anchorage end is provided. The distal end of pusher catheter or the sheath physically engages the proximal end of the bulbous or enlarged anchorage end and applies an axial force to coaxially advance the catheter over a guidewire through anatomical passages. This method allows a physician to move the catheter to an anatomical site without the device exhibiting buckling due to axial force applied. Similarly, this delivery method will allow more force to be applied to the distal end of the catheter diminishing the likelihood of buckling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.