Patent · US Expired

Ultrasonic probe with isolated outer cannula

US6270471A · kind A · utility

212Cited by
32References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1997
Grant dateAug 7, 2001
Priority date
Expiry dateDec 23, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2217/005
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An electronic surgical probe including an axially elongated member adapted to receive ultrasonic vibrations from an ultrasonic motor or transducer and having a circular cross-section, has a coaxially positioned cannula or sheath surrounding the elongated member, the cannula or sheath defining an aperture adjacent the distal end portion of the elongated member, wherein fluid adjacent the distal end portion of the elongated member is activated or cavitated by ultrasonic vibrations from the distal end of the elongated member and passing through the aperture of the cannula acts upon tissue and/or other matter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.