Positioning method for balloon coating
US10328245B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2018 |
| Grant date | Jun 25, 2019 |
| Priority date | — |
| Expiry date | Mar 27, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B13/0442
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method is disclosed for forming a coating layer on an outer surface of a balloon of a balloon catheter. The method includes supplying a coating solution containing a drug and a solvent through an end portion of a flexible dispensing tube with an opening portion for discharging the coating solution through the end portion of the flexible dispensing tube; keeping in contact an opening portion-formed end portion side of the dispensing tube with the outer surface of the balloon in such a manner as to be oriented in a direction opposite to a rotating direction of the balloon; rotating the balloon about an axis of the balloon; and discharging the coating solution through the opening portion and applying the coating solution to the outer surface of the balloon while the dispensing tube is moved relative to the balloon in an axial direction of the balloon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.