An injector for injecting fluid from a syringe mounted thereon includes a housing, a drive member at least partially disposed within the housing and operable to engage a plunger of the syringe, and a syringe retaining mechanism associated with the housing. The syringe retaining mechanism is adapted to...http://www.google.com.au/patents/US20040133162?utm_source=gb-gplus-sharePatent US20040133162 - Front-loading medical injector adapted to releasably engage a syringe regardless of the orientation of the syringe with respect to the injector
