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:
Dec. 10, 2024
Filed:
Oct. 01, 2018
Applicant:
Drägerwerk Ag & Co. Kgaa, Lübeck, DE;
Inventors:
Hans-Ullrich Hansmann, Barnitz, DE;
Karsten Hiltawsky, Stockelsdorf, DE;
Assignee:
Drägerwerk AG & Co. KGaA, Lübeck, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 16/20 (2006.01); A61M 16/00 (2006.01); A61M 16/04 (2006.01); F04B 45/047 (2006.01);
U.S. Cl.
CPC ...
A61M 16/205 (2014.02); A61M 16/0003 (2014.02); A61M 16/024 (2017.08); A61M 16/204 (2014.02); F04B 45/047 (2013.01); A61M 2016/0027 (2013.01); A61M 2016/0033 (2013.01); A61M 16/04 (2013.01); A61M 2205/0294 (2013.01); A61M 2205/07 (2013.01);
Abstract
A patient module () is intended for use together with a pressure source (). The patient module () couples the pressure source () for flow to a patient interface () that can be connected to the airways of a patient. The patient module () includes at least one valve device (), which can be controlled by means of a piezo pump, which acts as a valve drive () and can preferably be operated at a high frequency. The at least one valve device () acts as an exhalation valve ().