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:
Jul. 26, 2022
Filed:
Dec. 04, 2017
Datwyler Pharma Packaging International NV, Alken, BE;
Hasselt Universiteit, Hasselt, BE;
Anita Thijs, Alken, BE;
Bram Jongen, Stevoort, BE;
Wim Deferme, Hechtel, BE;
Inge Verboven, Kortenaken, BE;
Datwyler Pharma Packaging International NV, Alken, BE;
Hasselt Universiteit, Hasselt, BE;
Abstract
A plunger for a medical syringe includes a plunger body having a longitudinal axis, a lateral surface, a front side and a rear side, wherein a first sealing bead is associated with the front side of the plunger, the rear side is used for connecting to a plunger rod and, in addition, a front part of the plunger including the front side is covered with a film-like cover layer for otherwise separating the plunger from the medical substance in the use position. In addition, the cover layer be configured with different thicknesses, wherein the thickness is greatest in the region of the longitudinal axis and decreases radially outwards from the longitudinal axis.