Medical laser delivery system with internally reflecting probe and method
US5254114A · kind A · utility
73Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1991 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Aug 14, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/2272
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical laser delivery system is disclosed which includes a laser generating a high power, pulsed, treatment beam. The beam is coupled to an optical fiber which is placed adjacent to a tissue site immersed in a fluid medium. The wavelength of the laser light and the energy of the pulses is selected so that the fluid medium will be quickly vaporized creating a vapor bubble around the end of the fiber. The end surface of the fiber is angled in a manner such that after the vapor bubble is formed, the laser output will be totally internally reflected at the end surface and be redirected out of the side of the fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.