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. 20, 2019
Filed:
Mar. 22, 2016
Applicant:
Powder Pharmaceuticals Incorporated, Hong Kong, CN;
Inventor:
Victor K. Tsui, Millbrae, CA (US);
Assignee:
Powder Pharmaceuticals Incorporated, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/30 (2006.01); A61M 5/20 (2006.01);
U.S. Cl.
CPC ...
A61M 5/3015 (2013.01); A61M 5/2053 (2013.01); A61M 5/30 (2013.01); A61M 5/3007 (2013.01); A61M 2005/208 (2013.01); A61M 2205/42 (2013.01);
Abstract
Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.