Device and method for preventing growth of bacteria or removing bacteria in duct of dental unit
US7090778B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 14, 2001 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | May 14, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device (1) for preventing the growth of the bacteria or removing the bacteria bred on the inner wall surfaces of the ducts (8, 9, 10) of a dental unit, comprising a transponder (3) having a control unit (2) generating electric signals including audible frequency components, a coil (3a), and a case (3b) for storing the coil (3a) and mounting means (5) for mounting the transponder (3) on the outer wall surface of the duct (8), whereby an audible frequency electric signal allowed to transmit through the ducts (8, 9, 10) is generated by applying the electric signals to the coil (3a).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.