Ultraviolet light applicator
US3970856A · kind A · utility
61Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 1975 |
| Grant date | Jul 20, 1976 |
| Priority date | — |
| Expiry date | May 16, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C19/004
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A handheld ultraviolet light applicator and power circuit for dental use is disclosed having a U-shaped argon filled glass ultraviolet lamp enclosed in a flat or curved lens and attached to a handle. Lamp excitation is supplied through a shielded cable from a power source having a high reactance transformer coupled to a fused safety circuit responsively cutting off power in the event of dangerous open circuit conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.