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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.:

US 10653846 B1

PDFFull Text
Date of Patent:
May. 19, 2020

Filed:

Jan. 26, 2016

Dosing apparatus for dispensing a fluid under aseptic conditions

Applicant:

Actelion Pharmaceuticals Ltd., Allschwil, CH;

Inventors:

Ludwig Daniel Weibel, Waldstatt, CH;

Samuel Wyler, Abtwil, CH;

Assignee:

IDORSIA PHARMACEUTICALS LTD, Allschwil, CH;

Attorneys:

Davis & Bujold PLLC

Michael J. Bujold

Primary Examiner:

Lauren P Farrar

Assistant Examiner:

James D Ponton

Int. Cl.
CPC ...
A61M 5/315 (2006.01); A61M 5/145 (2006.01); A61M 5/142 (2006.01); A61B 5/145 (2006.01); A61J 1/20 (2006.01); F04B 7/04 (2006.01); F04B 13/00 (2006.01); F04B 9/02 (2006.01); A61M 5/14 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31515 (2013.01); A61B 5/14532 (2013.01); A61J 1/2096 (2013.01); A61M 5/1422 (2013.01); A61M 5/1454 (2013.01); F04B 7/045 (2013.01); F04B 9/02 (2013.01); F04B 13/00 (2013.01); A61M 5/1408 (2013.01); A61M 5/1413 (2013.01); A61M 2005/14533 (2013.01); A61M 2205/3331 (2013.01);
Abstract

The dosing apparatus comprises a conveying device (), which is driven by at least one conveying drive (), for conveying fluid from the interior () of a container (). The fluid by means of the conveying device () is conveyable from the container to a dispensing opening (). The conveying device () comprises a cylinder () having at least one intake opening () and at least one outlet opening () on an inner cylinder wall (), and a first piston () and a second piston (). The first piston () and the second piston () are mounted within the cylinder () so as to be displaceable in the longitudinal direction. Furthermore, the first piston () and the second piston () between the end sides thereof and together with a portion of the inner cylinder wall () delimit a variable fluid volume ().

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