Injection device and method of assembly and activation
US7569036B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2007 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | Nov 6, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/31518
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injector device for a pharmaceutical cartridge. The injector device includes a body defining a space for receiving a pharmaceutical cartridge. One or more retention members are disposed on the outer surface of the body. The injector device further includes a plunger rod having a connection member constructed for connection to a piston associated with a cartridge. The plunger rod has one or more receiving members. constructed to cooperatively retain the plunger rod on the body in a first position, and to release the plunger rod from the body when the plunger rod is moved to a second position. The plunger rod further includes a surface for engaging a pharmaceutical cartridge positioned within the body of said injector and for moving a pharmaceutical cartridge distally as the plunger rod is moved from its first position to its second position. A tamper evident band is secured to plunger rod and injector body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.