Fluid-operated medical or dental handheld element
US9119690B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2012 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Jan 18, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/05
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A fluid-operated medical or dental handheld element is disclosed, having a connecting device for connecting the handheld element to a fluid source so that a first impeller can be induced to rotate by a fluid stream to cause a tool to execute a driving motion, a fluid conducting device arranged between the connecting device and the first impeller for conveying a fluid stream away from or toward the first impeller, and a generator for generating electric power. The generator includes a second rotatable impeller that can be driven by at least a substream of the fluid stream conveyable in the first fluid conducting device. One result is more constant generation and output of power by the generator independent of the rotational speed of the first impeller, thereby insuring a more constant power supply to a power consuming device connected to the generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.