Patent · US Expired

Neurosonic aspirator and method

US4016882A · kind A · utility

82Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 1975
Grant dateApr 12, 1977
Priority date
Expiry dateMar 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.