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:
Aug. 19, 2025
Filed:
Dec. 27, 2019
Andreas Spiegelberg, Horgen, CH;
Universität Bern, Horgen, CH;
Andreas Spiegelberg, Horgen, CH;
Jürgen Beck, Bolligen, CH;
UNIVERSITAT BERN, Bern, CH;
Abstract
The invention relates to an implantable valve () for a drainage system for discharging cerebrospinal fluid, comprising: a valve housing () extending along a valve axis (A), an inlet () and an outlet () as well as a valve housing () surrounding an interior space (), a valve body assembly () arranged in the interior () and movably arranged in the interior space (), a first valve seat (), wherein the valve body assembly () is configured to abut the first valve seat () to close a flow connection between the inlet () and the interior space () of the valve housing (), a second valve seat () which faces the first valve seat (), wherein the valve body assembly () is configured to abut the second valve seat () to close a flow connection between the outlet () and the interior space () of the valve housing (), and a spring device () arranged in the interior space () which exerts a spring force on the valve body assembly () in the direction of the first valve seat ().