Attachable tooth cleaning agent dispenser for dental handpieces
US4220446A · kind A · utility
Inventor
Key dates
| Filing date | Nov 29, 1978 |
| Grant date | Sep 2, 1980 |
| Priority date | — |
| Expiry date | Nov 29, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/087
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An attachable cleaning agent dispenser for retrofit use in combination with a conventional dental handpiece including a frame, gripping members for removably attaching the frame to a dental handpiece, a reservoir for containing a cleaning agent with the reservoir mounted on the frame, a dispensing orifice mountable adjacent a cleaning tool on the dental handpiece, a cleaning agent flow passageway connecting the reservoir and the orifice, a pneumatic piston slidable within the reservoir for ejecting cleaning agent from the reservoir, into the passageway, and out the orifice when pneumatic pressure is applied to the piston by finger control by an operator of the handpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.