Balloon catheter, method of manufacturing a balloon catheter, and treatment method
US11207506B2 · kind B2 · utility
0Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2018 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | May 2, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/105
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A balloon catheter is disclosed capable of effectively delivering a drug to living body tissue and a manufacturing method of the balloon catheter, and a treatment method. The balloon catheter has a balloon at a distal portion of a catheter shaft, and is provided on a surface of the balloon with elongate bodies which are crystals of a water-insoluble drug extending in a longitudinal direction. The surface of the balloon is provided with crystal conjugates formed of a plurality of elongate bodies united to one another while being in a tilted state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.