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:
Feb. 16, 2021
Filed:
May. 23, 2019
Roche Diabetes Care, Inc., Indianapolis, IN (US);
Peter Arnold, Heppenheim, DE;
Thomas Kristen, Wald-Michelbach, DE;
Roche Diabetes Care, Inc., Indianapolis, IN (US);
Abstract
Disclosed is a method for manufacturing a cannula unit with a cannula housing and a cannula, in which a cannula is injection molded onto a molding core pin having an outer diameter dto produce a cannula having a distal end with a larger outer diameter than the outer diameter of the remaining cannula, a first distal section adjoining the distal end, a second proximal section adjoining the first distal section, and a proximal end. A cannula housing is injection molded onto the distal end and the first distal section of the cannula and the molding core pin is removed from the cannula. A piercing needle with an outer diameter dis threaded into the cannula, wherein the diameter dof the piercing needle is chosen such that it is smaller than the diameter dof the molding core pin.