Medication delivery apparatus

A fluid cartridge having fluid chambers for delivering a sequence of fluids to a patient comprising:

• a cartridge having at least two separate fluid chambers, each chamber being connected ultimately to a common tube via a fluid exit path, said chambers being arranged in line for sequential automatic delivery of fluids,
• at least one fluid chamber having a back flow prevention device disposed between said fluid chamber and said common tube to prevent back flow into said fluid chamber,
• at least one of said chambers having a resealable filling port, and
• the exit path of at least one chamber having a length and radius for controlling flow of fluid from said fluid chamber when a pressure is generated within said fluid chamber.

A fluid cartridge having at least four fluid chambers for delivering a sequence of fluids to a patient comprising:

• cartridge means having at least four fluid chambers, each chamber being ultimately connected to a common tube via a fluid exit path, said chambers being arranged in line for sequential automatic delivery of fluids except at least two of said fluid chambers are arranged to deliver fluid at least partly simultaneously,
• at least one fluid chamber having a back flow prevention device disposed between said fluid chamber and said common tube to prevent back flow into said fluid chamber,
• at least one chamber in the sequence having a resealable filling port, and
• the exit path of at least one chamber having a length and radius for controlling flow of fluid from said fluid chamber when a pressure is generated within said fluid chamber.

An automated medication delivery system for delivering a sequence of fluids to a patient comprising:

• pump means adapted to accept a cartridge having multiple fluid chambers and to automatically and sequentially discharge the fluid from said fluid chamber,
• a cartridge having at least two separate fluid chambers, each chamber being connected ultimately to a common tube via a fluid exit path, said chambers being arranged in line for sequential automatic delivery of fluids,
• at least one fluid chamber having a back flow prevention device disposed between said fluid chamber and said common tube to prevent back flow into said fluid chamber,
• at least one of said chambers having a resealable filling port, and
• the exit path of at least one chamber having a length and radius for controlling flow of fluid from said fluid chamber when a pressure is generated within said fluid chamber.

An automated medication delivery system for delivering a sequence of fluids to a patient comprising:

• pump means adapted to accept a cartridge having multiple fluid chambers and to automatically deliver fluid from said fluid chambers,
• cartridge means having at least three fluid chambers, each chamber being ultimately connected to a common tube via a fluid exit path, said chambers being arranged in line for sequential automatic delivery of fluids except at least two of said fluid chambers are adapted to deliver fluid at least partly simultaneously,
• at least one fluid chamber having a back flow prevention device disposed between said fluid chamber and said common tube to prevent back flow into said fluid chamber, and
• at least one chamber in the sequence having a resealable filling port, and
• the exit path of at least one chamber having a length and radius for controlling flow of fluid from said fluid chamber when a pressure is generated within said fluid chamber.