Abstract: Described is a carpule capable of being used with a conventional cartridge syringe, the carpule having a reservoir for storing drug solution, a separate collapsible chamber for storing a buffer solution, and a mixing area or a discrete mixing chamber.
Abstract: Described is a mixing syringe for receiving a removable carpule partitioned to form two reservoirs independently containing anesthetic solution and buffering solution and having a mixing chamber for mixing the solutions during administration, and methods of using the mixing syringe.