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The CritiView Device is indicated for in-vivo monitoring of changes in NADH redox state and microvascular perfusion in tissue. Changes in the measured parameters--blood flow change, blood volume change, and NADH concentration change-- provide information on tissue metabolic activity. Tissues which may be monitored are: brain, liver, kidney, intestine, testis, skin, and urethra. Note that heart may not be used as the heart beating motion may not provide a reliable probe contact surface.

The CritiView device carries out certain in-vivo, spectroscopic measurements and displays them as a trend. The parameters measured are blood flow change, blood volume change, and NADH concentration change. It is a multi-parametric monitoring device intended for the measurement of tissue metabolic state. The Criti View device consists of NADH Fluorometer and Doppler Flowmeter. The CritiView (CRV3) device is a modification of the predicate, CritiView, K051145. Measurements are made with the use of optical probes, i.e. pencil type for direct tissue contact and Foley catheter for measurement on the urethral wall tissue.

CritiView is indicated for in-vivo monitoring of changes in NADH redox state and microvascular perfusion in tissue. Changes in the measured parameters, blood flow change, blood volume change, and NADH concentration change provide information on tissue metabolic activity. The CritiView uses a pencil style probe which is in contact with the tissue(s) to be measured / monitored. The device may be used for up to eight (8) hours per twenty-four (24) hour period. Tissues which may be monitored are: brain, liver, kidney, intestine, testis, skin. Note that heart may not be used, as the heart beating motion may not provide a reliable probe contact surface. Environment of use include - hospital - OR, ICU, Emergency Departments, High Dependency Units Institutions

The CritiView device carries out certain in-vivo, spectroscopic measurements and displays them as a trend. The parameters measured are blood flow change, blood volume change, and NADH concentration change. It is a multi-parametric monitoring device intended for the measurement of tissue metabolic state. The CritiView device consists of NADH Fluorometer and Doppler Flowmeter. The CritiView device is a modification of the predicate, Tissue Spectroscope (K992529).