Apparatus for the introduction and manipulation of multiple telescoping catheters
US11517718B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2020 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Nov 26, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/015
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A delivery apparatus includes a steerable shaft having a pull-wire conduit. A pull wire extends through the pull-wire conduit. The steerable shaft includes one or more layers. A compression-resistance portion is incorporated into at least one of the one or more layers. A cross-section of the compression-resistance portion has an arcuate shape that extends along a portion of a cross-section of the steerable shaft. The compression-resistance portion has a hardness that is greater than a hardness of the one or more layers that the compression-resistance portion is incorporated into.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.