Method for preventing clogging of a surgical aspirator
US4921476A · kind A · utility
78Cited by
23References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 2, 1988 |
| Grant date | May 1, 1990 |
| Priority date | — |
| Expiry date | May 2, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/320084
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The method of aspirating body tissue and blood from a surgical site along a suction passage having a suction port at an ultrasonically vibrated end of a tool for fragmenting the tissue at a surgical site is improved by introducing an irrigation fluid into the suction passage independently of the suction port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.