Patent · US Active

Device for administering a fluid

US12290664B2 · kind B2 · utility

0Cited by

9References

5Claims

0Family size

Assignee

Henke-Sass, Wolf GmbH · DE

Inventors

Frank Altermann · Tuttlingen, DE
Robin Sauter · Tuttlingen, DE
Anika SCHMIDT · Fridingen an der Donau, DE
Maikel WIEDMANN · Immendingen, DE
Daniel Seeh · Immendingen, DE

Key dates

Filing date	Jul 9, 2020
Grant date	May 6, 2025
Priority date	—
Expiry date	May 9, 2042

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2250/00
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A device for administering a fluid can include a cylinder, a piston connected to a piston rod, and a tensioning device connected to the piston rod. The tensioning device includes a ramp which is rotatable via a motor, a ramp track, and a roller which is in contact with the ramp track and which is mounted rotatably in a driver. A dose setting means can be provided which comprises a spacer and a movement unit. The movement unit can move the spacer from a neutral position into an active position between the driver and the cylinder such that the driver is stopped by the spacer and therefore the piston stroke during the movement of the piston to the open dispensing end is shorter in comparison to the case in which the spacer is in its neutral position.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.