The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 2017
Filed:
Feb. 28, 2014
Roche Diagnostics International Ag, Rotkreuz, CH;
David Teutsch, Schuepfen, CH;
Martin Wyss, Rotkreuz, CH;
Ulrich Haueter, Grosshoechstetten, CH;
Simon Scheurer, Bern, CH;
Roche Diagnostics International AG, Rotkreuz, CH;
Abstract
At least one dosing unit for an infusion pump is disclosed having a piston pump with a pump cylinder, a plunger arranged within said cylinder, and a plunger driving part provided for transmitting rotational torque from a driving unit to the plunger without itself being linearly displaced. The cylinder, the plunger and the plunger coupling element are coaxially arranged along a longitudinal axis and rotatable around said axis in regard to static parts of the dosing unit. The plunger and cylinder each having threads which engage with each other in such a way that a rotational movement of the plunger around the longitudinal axis results in a linear displacement of the plunger along the longitudinal axis. The dosing unit also having first coupling parts associated with the cylinder and second coupling parts associated with the plunger.