| abstract |
A system for continuous measurement of a blood characteristic comprising: an arterial venal shunt, at least a portion of which appears externally to a subject, the arterial venal shunt arranged to carry blood of the subject; at least one of a spectral measurer and a contact measurer operable on the blood within the externally appearing portion; a computing device receiving an output of the at least one of a spectral measurement means and a contact measurement means; and an injection device responsive to an output of the computing device, the injection device being operable to inject a pharmaceutical from a pharmaceutical reservoir, wherein the computing device responsive to the output of the at least one of a spectral measurer and a contact measurer is operable to output a signal to the injection device, the injection device being operable to inject a measured amount of pharmaceutical responsive to the signal. |