Device for administering an injectable product
US7169131B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2003 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Oct 25, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/0222
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for administering an injectable product in doses including a casing, a reservoir for the product, a piston which displaces product towards a reservoir outlet and out of the reservoir when it slides in an advancing direction, a drive member which may be slid along a sliding axis, thereby pushing the piston in the advancing direction, and a dosing member which is mounted in the casing and may be slid, preferably rotatably, about the sliding axis of the drive member for setting a product dose, wherein a bearing surface between the dosing member and the casing is lubricated and at least one lubricating agent reservoir is provided on the bearing surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.