Device for administering a fluid
US11534550B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2019 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Dec 25, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3128
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for administering a fluid is provided, with The tensioning device (S) has a ramp (52) which is rotatable by means of a motor (12) and has a ramp track (53) extending along a helical line, The tensioning device (S) furthermore has a roller (51) which is in contact with the ramp track (53) and is mounted rotatably in a driver (50), which is connected to that end of the piston rod (35, 135) which protrudes out of the cylinder (16, 116), and therefore, upon rotation of the ramp (52), the ramp track (53) runs below the roller (51), which thereby rotates,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.