Dental spray handpiece
US4619612A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1984 |
| Grant date | Oct 28, 1986 |
| Priority date | — |
| Expiry date | Oct 12, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C17/0217
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to a dental spray handpiece for agents such as air and water having a nozzle member with a discharge orifice at one end and a connecting element at the other end and a housing forming a grip piece for the dental handpiece containing an arrangement for controlling flow of the agents and a connection to a supply hose with the nozzle and having a coacting element forming a rotary joint characterized by the nozzle member having a light conductor extending from the discharge orifice up to the rotary joint and a light source being provided in the vicinity of the rotary joint and in optical communication with the other end of the light conductor so that light is conducted through the nozzle and projected out of the nozzle adjacent to the discharge opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.