Infusion device for administering a medical fluid to a patient and method for operating an infusion device
US11147917B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 30, 2016 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Feb 27, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An Infusion device (1) for administering a medical fluid to a patient, comprises: a housing (10); a receptacle (11) arranged on the housing (10) for receiving a syringe (2); a pusher device (12) movable in a pushing direction (P) for acting onto a piston (21) of a syringe (2) received on the receptacle (11); a drive element (13) connected to the pusher device (12), the drive element (13) being longitudinally movable relative to the housing (10) for moving the pusher device (12) along the pushing direction (P); a driving rod (14) having a screw thread (140) and being rotatable about a rotational axis (R1); an electric drive device (141) for rotating the driving rod (14); a clutching device (130) connected to the drive element (13) and being actuatable, by an actuation device (15), to engage, in a clutched state, with the screw thread (140) of the driving rod (14) for translating a rotational movement of the driving rod (14) into a longitudinal movement of the drive element (13) along the driving rod (14), and to disengage, in an unclutched state, from the driving rod (14); a brake device (16) constituted to act, in an activated state, onto the drive element (13) for braking the driv…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.