Self-cleaning tip
US8714408B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2010 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | Jun 5, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1032
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a device for packaging and dispensing a generally liquid or viscous product, including a container for containing the product to be packaged and dispensed in the form of clean or sterile calibrated doses or drops using a dispensing accessory including a tip, wherein the assembly of the container and the accessory includes an additional flexible and deformable chamber actuated simultaneously with the accessory and capable of either sucking the residual drop at the end of said accessory after dispensing a calibrated dose or drop, or of blowing said calibrated dose or drop without permitting the formation of a residual drop. The invention can be used for packaging and dispensing clean or sterile products, in particular doses or drops in the field of ophthalmology.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.