Selective drug delivery in a lumen
US9327100B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2013 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Aug 29, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N7/022
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and systems are disclosed for selective drug or fluid delivery in a lumen through a coating or fluid delivery channels. One system includes an elongate catheter having a proximal end and a distal end with an axis therebetween, the catheter having a radially expandable balloon near the distal end and an energy delivery portion proximate the balloon for transmission of energy, a thermally changeable coating having a releasable drug coupled to the balloon, the thermally changeable coating being oriented to be urged against the body tissue when the expandable balloon expands and an energy source operatively coupled to the energy delivery portion configured to energize the energy delivery portion to heat and liquefy the thermally changeable coating to release the drug to the body tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.