Delivery wire for occlusive device delivery system
US9504475B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 19, 2014 |
| Grant date | Nov 29, 2016 |
| Priority date | — |
| Expiry date | Aug 20, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0915
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A delivery wire assembly for delivery of an occlusive device to a location in a patient's vasculature includes a delivery wire conduit having a proximal tubular portion connected to a distal coil portion, and a conduit lumen extending through the proximal tubular portion and the distal coil portion. The delivery wire assembly also includes a core wire disposed in the conduit lumen and having a distal end coupled to an occlusive device. The distal coil portion of the delivery wire assembly includes a plurality of zones and the plurality of zones decrease in stiffness distally along the length of the distal coil portion of the delivery wire assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.