Corrugated catheters
US12239797B2 · kind B2 · utility
0Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2020 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Feb 28, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/006
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A catheter (1) comprises a jacket (20, 33) and defining a lumen, and extends distally towards a tip (30, 31). The catheter has a helical support (20) within the jacket for at least some of the length of the jacket. The catheter distal end has a plurality of portions of different configurations for different bending and/or pushability characteristics. These may be according to different helical supports and the manner in which they are interwoven, and/or different liners with lap joints. There may be a hydrophilic coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.