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. 07, 2023
Filed:
Oct. 29, 2018
Applicant:
United Therapeutics Corporation, Silver Spring, MD (US);
Inventors:
Assignee:
United Therapeutics Corporation, Silver Spring, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/142 (2006.01); A61M 5/145 (2006.01);
U.S. Cl.
CPC ...
A61M 5/14593 (2013.01); A61M 5/14244 (2013.01);
Abstract
A drug-delivery device comprising a drug-reservoir assembly, displacement-generating actuator, and drug administration unit is described, wherein the drug-reservoir assembly comprises at least one flexible wall and a constraining ring, such that the displacement generated by the actuator collapses a flexible wall of the assembly expelling the drug contents of the drug-reservoir towards said drug administration means.