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. 14, 2018
Filed:
Aug. 10, 2010
Hans Zou, Windsor, NJ (US);
Jeff Shimizu, Cortlandt Manor, NY (US);
Johan Frederik Dijksman, Weert, NL;
Hans Zou, Windsor, NJ (US);
Jeff Shimizu, Cortlandt Manor, NY (US);
Johan Frederik Dijksman, Weert, NL;
Progenity, Inc., San Diego, CA (US);
Abstract
A drug delivery device () is provided comprising a drug reservoir () and a piston (). The drug reservoir () is provided for comprising a drug and comprises a flexible wall () and a dispensing hole () for dispensing the drug into an environment of the drug de delivery device (). The piston () is provide for pressing against the flexible wall () to compress the drug reservoir () for pushing an amount of the drug through the dispensing hole (). An adhesion interface () between a surface of the piston () and the flexible wall () prevents sliding between the surface of the piston () and the flexible wall ().