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:
Jan. 19, 2016
Filed:
Dec. 08, 2009
Ryan Schoonmaker, Salem, MA (US);
Michel Bruehwiler, Newton, MA (US);
Ira Spool, Brookline, MA (US);
Melissa Rosen, Lynn, MA (US);
Ryan Schoonmaker, Salem, MA (US);
Michel Bruehwiler, Newton, MA (US);
Ira Spool, Brookline, MA (US);
Melissa Rosen, Lynn, MA (US);
Becton, Dickinson and Company, Franklin Lakes, NJ (US);
Abstract
A dual-chambered drug delivery device () includes a cartridge () having a first chamber () for storing a medicament and a second chamber () in fluid communication with the first chamber (). A dose setting member () is used to set a medicament dose to be injected at an injection site. A piston () is disposed in the second chamber (). An upward stroke of the piston () draw a portion of the medicament dose into the second chamber () and a downward stroke of the piston () expels the portion of the medicament dose. A needle () communicates with the second chamber () for sequentially injecting the portions of the medicament dose into the injection site.