Arrangement for imposing pressure on maintenance media in medical particularly dental handpieces
US4544355A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 1984 |
| Grant date | Oct 1, 1985 |
| Priority date | — |
| Expiry date | May 15, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C19/002
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An arrangement for imposing pressure on cleaning media and/or lubricants which are contained as maintenance media in the movable components of medical, particularly dental handpieces, wherein the maintenance medium is adapted to be placed under pressure by a pressure drive acting through an outlet opening of a housing which contains a motion drive for the movable handpiece components, the last mentioned being brought into connection with the outlet opening through an inlet opening in the handpiece. During this pressurization of the maintenance medium, the movable components of the handpiece are placeable into movement through the motion drive of the housing in such a manner, whereby engaging means of the motion drive which are accessible through the outlet opening of the housing can be brought into engagement with cooperating engaging means of the movable components of the handpiece which are accessible through the inlet opening. With respect to the engaging means of the motion drive, handpieces or handpiece components, in particular attachment heads, having different cooperating engaging means, can be attached to the outlet opening of the housing and maintained, and thereby place …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.