Dental treatment apparatus
US5947727A · kind A · utility
3Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 1998 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | Dec 24, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental treatment apparatus having a sterilized water producing unit placed in a water circuit of a dental chair unit. The sterilized water producing unit electrolyzes water mixed with sodium chloride and hydrochloric acid in a diaphragmless electrolytic cell to produce sterilized water having a residual free chlorine concentration adjusted in the range of from 1.0 ppm to 200 ppm and a pH adjusted in the range of from 3 to 7. The dental treatment apparatus further has a water circuit switching controller that alternately switches between raw water and feed water from the sterilized water producing unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.