Patent · US Expired

Combined ultrasonic emulsifier and mechanical cutter for surgery

US4428748A · kind A · utility

279Cited by

7References

15Claims

0Family size

Inventors

Gholam A. Peyman · Oak Park, US
Notilal Raichand · Oak Brook, US
Edward J. Murray · Boca Raton, US

Key dates

Filing date	Apr 9, 1980
Grant date	Jan 31, 1984
Priority date	—
Expiry date	Apr 9, 2000

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M1/85
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A surgical system and apparatus which includes a handpiece with an ultrasonic motor for driving a needle or other instrument with ultrasound and further including a cutting tube or rotary motor that is mounted within the needle such that the tube can cut material which passes through openings in the tube to be engaged by the tube. Irrigation and aspiration is provided and a surgeon may selectively cut with ultrasound, or with the cutting action or with both, as required. The handpiece may be combined with a built-in light source.

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