Filter for spray ducts of dental or surgical handpieces
US6196841A · kind A · utility
1Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1999 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Jul 29, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/052
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A filter for spray ducts of dental or surgical handpieces, wherein transfer of media from a coupling hose to the handpiece takes place through a plurality of small openings in an essentially cylindrical portion of the coupling hose of the handpiece, wherein the size of the openings determines the filtering properties. The essentially cylindrical portion has a collection duct located radially outside of the filter openings, wherein the collection duct is connected with a spray line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.