Coatings for medical devices
US10525171B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2014 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Jan 28, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1075
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and device for local delivery of a water-insoluble therapeutic agent to the tissue of a normal or diseased body lumen is disclosed. An expandable structure of a medical disposable device, such as a balloon of a balloon catheter, is coated with a non-durable coating which includes an amphiphilic polymer or copolymer, in embodiments polyethylene glycol, having a substantially water-insoluble therapeutic agent dispersed therein. In some embodiments, the coating may also include iodine. The medical disposable device is inserted into a body lumen, and expanded to contact the non-durable coating against the body lumen and deliver the substantially water-insoluble therapeutic agent to the body lumen tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.