Methods and apparatus for disintegration of urinary calculi under direct vision
US4602633A · kind A · utility
12Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1984 |
| Grant date | Jul 29, 1986 |
| Priority date | — |
| Expiry date | Nov 16, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/007
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus are provided for machining and disintegrating urinary calculi by subjecting the urinary calculi to ultrasonic forces transmitted by a wave guide in one passageway of a catheter while under observation through an optical system in a second parallel passage in the catheter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.