Drug eluting balloon for the treatment of stenosis and method of manufacturing the balloon
US9168362B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2010 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Jun 4, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1052
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drug eluting angioplasty balloon (1, 101) suitable to adopt a deployed configuration and a collapsed configuration, the balloon having an outer wall (10) disposed around a core (11) defining an axis (X). The balloon (1, 101) comprising in the collapsed configuration a plurality of folds (12, 12′, 112) that are laid in a tangential direction about the core (11) and form a plurality of cavities (13a, 13b, 113) loaded with a drug (14), the cavities (13a, 13b, 113) are comprised between the folds (12, 12′, 112), wherein the folds (12, 12′, 112) originates from distinct longitudinal lines (25, 25′, 125, 125′) along the outer wall (10), are arranged in pairs and are circumferentially wrapped about the core (11) in such a way that a fold of one pair overlaps an adjacent fold of another pair and are wrapped in opposite directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.