Microcatheter having directable laser and expandable walls
US4418688A · kind A · utility
116Cited by
8References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 6, 1981 |
| Grant date | Dec 6, 1983 |
| Priority date | — |
| Expiry date | Jul 6, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3614
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A fiber optic microcatheter device is provided with a conduit directing system to tilt the distal end of an internal conduit with respect to an external tube held in a lumen by expanding the diameter of an elastic zone on the external tube. Within the internal conduit are viewing and illumination fiber optic bundles which permit viewing within the lumen. A laser light transmitting fiber within the internal conduit may be aimed at a site within the lumen by tilting the distal end of the internal conduit. Also provided are tubes for flushing and vacuum to provide clear viewing within the lumen and to remove debris.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.