Disposable cartridge for sampling and analyzing body fluids

摘要: A disposable sampling cartridge for use with a blood sample analyzer. The includes reservoir communicating hypodermic needle, waste collection chamber adapted to receive fluids from the analyzer, and plurality of ampules each containing respective analyzing fluid by Each contain piston, in are expelled forcing an actuating rod through frangible wall ampule displace piston. In one embodiment, withdrawn conduit while spent flow port on which needle is mounted. another embodiment flows inlet common outlet selectively communicates valve arrangement.