Ultrasonic system to alleviate toothaches
US5437606A · kind A · utility
42Cited by
11References
3Claims
0Family size
Inventor
Key dates
| Filing date | Mar 28, 1994 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Mar 28, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M37/0092
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method to improve infusion and diffusion of local anesthesia into the gum surrounding a decayed tooth by the application of ultrasound vibration to the hypodermic syringe and needle as local anesthesia is being injected into the gum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.