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:
Jan. 05, 2021
Filed:
Jun. 07, 2017
Shl Medical Ag, Zug, CH;
Ludwig Daniel Weibel, Waldstatt, CH;
Samuel Wyler, Abtwil, CH;
SHL MEDICAL AG, Zug, CH;
Abstract
A device () and the use thereof for dispensing fluid under aseptic conditions. The device () comprises conveying device () and container () with a variable inner volume. The conveying device comprises cylinder () with at least three openings () which are arranged along longitudinal central axis (). Displaceable first and second pistons () are arranged in the cylinder. The end faces () of the pistons and inner wall () of the cylinder, delimit a variable fluid volume (). The first opening is brought into fluidic communication with dispensing opening () and the second opening is brought into fluidic communication with the container. Each of the pistons comprise three seals (″) which are offset and sealingly close off the cylinder. Adjacent piston seals have inner spacing (di) which is equal to a shortest spacing (aA) between two adjacent openings (or).