Expandable sheath tubing
US7766820B2 · kind B2 · utility
174Cited by
241References
43Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2003 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Jul 9, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0024
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An introducer sheath or catheter can be formed in two or more layers with an inner layer made of a higher durometer material and an outer layer made of a lower durometer material. The inner layer can have one or a combination of the following: one or more longitudinal slits, overlapping portions, monolithic hinges, or other formations to allow for radial expansion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.