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Wednesday, November 28, 2012

Researchers Submit Patent Application, "Method and Assembly for a Drug Delivery Device", for Approval


By a News Reporter-Staff News Editor at Pharma Business Week From Washington, D.C., NewsRx journalists report that a patent application by the inventors Jones, Christopher (Tewkesbury, GB); Veasey, Robert (Leamington Spa, GB); Kouyoumjian, Garen (Leamington Spa, GB); Macdonald, Catherine Anne (Ashby-de-la-Zouch, GB), filed on September 29, 2010, was cleared for further review on November 15, 2012 (see also Pharmaceutical Companies).
The patent's assignee for patent serial number 498377 is Sanofi-aventis Deutschland Gmbh.
News editors obtained the following quote from the background information supplied by the inventors: "In a drug delivery device a piston within a cartridge containing a plurality of doses of a drug may often be displaced with respect to the cartridge in a distal direction by a drive member. Thereby, a dose of the drug may be expelled from the cartridge.
"Drug delivery devices are described in documents EP 1 923 083 A1 and WO 2006/063472 A1.
"It is an object of the present disclosure to facilitate provision of an improved drug delivery device, for example a device with high dose accuracy. Furthermore, an assembly for an improved drug delivery device is provided.
"This object may be achieved by the subject matter of the independent claims. Further features are the subject matter of the dependent claims."
As a supplement to the background information on this patent application, NewsRx correspondents also obtained the inventors' summary information for this patent: "According to one aspect a method for securing a cartridge to a body for a drug delivery device is provided. The cartridge may be secured to the body, in particular with respect to the body, by means of a releasable connection. The releasable connection may prevent relative axial movement, in particular between the cartridge and the body, during assembly of the device. Afterwards, the releasable connection may be modified irreversably into a non-releasable connection such that the cartridge is permanently secured to the body. In particular, after the connection is made non-releasable the cartridge may not be unsecured from the body without destroying the non-releasable connection.
"Another aspect relates to an assembly for a drug delivery device. The assembly comprises a cartridge. The assembly comprises a body. The assembly may comprise a first connection means. The assembly may comprise a second connection means. The first connection means and the second connection means may be configured to mechanically cooperate to form a releasable connection. The releasable connection may be suitable for releasably securing the cartridge to the body. The releasable connection may be adapted to prevent relative axial movement, in particular between the cartridge and the body, preferably during assembly of the device. The first connection means and the second connection means may be irreversably non-releasably secured to each other.
"The releasable connection may keep the first connection means and the second connection means secured to each other. After checking whether other components of the drug delivery device have been assembled properly the first connection means and the second connection means may be non-releasably secured to each other by modifying the releasable connection.
"The drug delivery device may be an injection device. The drug delivery device may be a pen-type device, e.g. a pen-type injector. The cartridge may hold a plurality of doses of a drug. Preferably, the drug comprises a liquid medication, such as long-acting or short-acting insulin, heparin or growth hormones. The drug delivery device may be designed such that it may accommodate cartridges of different sizes. Additionally or alternatively, the drug delivery device may be designed such that it may accommodate cartridges of different shapes

Source:http://www.pharmacychoice.com/news/article.cfm?Article_ID=971097
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