Neurosonic aspirator and method
US4016882A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1975 |
| Grant date | Apr 12, 1977 |
| Priority date | — |
| Expiry date | Mar 5, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M3/0279
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Method and apparatus are disclosed for use in surgically removing tumorous neurological tissue which apparatus comprises a handpiece mounting a hollow tool tip vibrating transversely to its long axis in the ultrasonic range, means for introducing fluid adjacent the tool tip to flush the operative site area, and means adjacent the tool tip for withdrawing the fluid mixture from the site. The method comprises applying an ultrasonically vibrated tool to tumorous nerve tissue, while simultaneously introducing irrigation fluid to flush the area of the tissue and withdrawing the resulting mixture from the area adjacent the tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.