Ultrasonic probe
US4169984A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1976 |
| Grant date | Oct 2, 1979 |
| Priority date | — |
| Expiry date | Nov 30, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M3/0279
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ultrasonic, surgical and dental probe comprises a piezoelectric crystal transducer assembly positioned in compression between a pair of body members in a housing. Each body member along with the transducer assembly is mounted on a hollow connecting rod. An interchangeable operative tip, disposed within the hollow connecting rod, is releasably secured to the housing. In a first embodiment, one end of the tip contains a keyhole slot that snap fits to a transverse pin in the housing. In another embodiment, the body of the tip contains a set of threads which engages a corresponding set of threads formed on the inner wall of the connecting rod. Also disclosed is a unique dental descaling tip used in conjunction with the ultrasonic probe. The working end of the tip which contacts the surface of the teeth contains a first orifice. The orifice discharges fluid for irrigation as the working end of the tip cuts into accretions formed on the teeth during ultrasonic vibration. A second orifice, spaced apart from the end of the tip, also discharges fluid for more gently bathing the teeth. Another tip disclosed for removing cataract tissue from the eye contains a single orifice at the working…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.