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:
May. 17, 2016
Filed:
Mar. 24, 2010
Christopher Nigel Langley, Warwickshire, GB;
Christopher John Jones, Cloucestershire, GB;
Christopher Nigel Langley, Warwickshire, GB;
Christopher John Jones, Cloucestershire, GB;
Sanofi-Aventis Deutschland GmbH, Frankfurt am Main, DE;
Abstract
A medicament delivery device () comprises a housing () for holding a medicament cartridge (), a piston rod () and a drive (). The medicament cartridge () has a medicament outlet and a bung () moveable axially along the medicament cartridge for dispensing a medicament, the piston rod has a plunger () for moving the bung and a lead member () telescopically coupled to the plunger () that may be driven by the drive () to extend or retract the piston rod (). Additionally, the device comprises a linkage () coupled between the plunger () and an anchorage () and a drive member () telescopically coupled to the lead member (). The drive () is operative to rotate the drive member () to telescopically move the lead member relative to the drive member whereby the plunger is moved relative to the lead member by way of the linkage ().