Becton, Dickinson and Company
Dual chamber and gear pump assembly for a high pressure delivery system

Abstract:

A high pressure delivery system for delivering a medicament, comprising a first chamber for storing a supply of the medicament, a gear pump assembly in fluid communication with the first chamber, said gear pump assembly having a dose inlet and a dose discharge, said dose inlet having a larger diameter than said dose discharge to provide a high pressure discharge, and a fluid connection path in fluid communication with the gear pump assembly for delivering the medicament to a high pressure area.