Method and apparatus for the monitoring of clinical states

Details Method and apparatus for the monitoring of clinical states Method and apparatus for the monitoring of clinical states

2005-06-23

2009-11-24

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Measured signal processing

C600S316000

Reexamination Certificate

active

07623988

ABSTRACT:
A method and apparatus to monitor clinical states, for example hypoglycaemia, hyperglycaemia or an ischemic state, and to detect if a user if affected by such a state. In one embodiment, the method and apparatus use a correlation between one or more non-invasive physical measurements of the body of the subject and a reference value of blood-glucose of the subject to compute an estimation parameter value, and comparing that estimation parameter value with a critical parameter value indicative of the presence of a clinical state, for example hypoglycaemia, hyperglycaemia. In another embodiment, the algorithm estimates chromophore concentrations and the scattering coefficient in order to compute a level of oxygen saturation and detect the presence of an ischemic state.

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