Polymer-filler composites for controlled delivery of therapeutic agents from medical articles
US7537781B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2004 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | May 5, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical article comprising: (a) a therapeutic agent; and (b) a release region comprising (i) a polymer and (ii) a filler comprising inorganic platelet particles. Upon placement of such a medical article at a position on or within a patient, the release region regulates the rate of release of the therapeutic agent from the medical article to the patient. An example of a filler is one comprising inorganic platelet particles. Examples of medical articles include, for instance, drug delivery patches, and implantable or insertable medical devices. Also described are methods of releasing a therapeutic agent to a patient using such medical articles, and methods of making such medical articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.