Medical diagnostic instruments for evaluating tissue tonometry; Medical diagnostic instruments for the analysis of fluids; Medical apparatus for dimensional measurement, including scanners for the human body; Electronic spectroscopy analyzer for medical purposes; Medical apparatus, including spectroscopy analyzer for medical purposes; Body composition analyzers for medical purposes; Instruments for analyzing and assessing body fat, water and/or muscle composition based on impedance measurements of a subject's body; Medical device for measuring extracellular fluid; Medical device to treat inflammation in the body; Medical electrodes; Recording apparatus and instruments for estimating the composition of living matter therefor, namely, body composition monitors; Medical device to aid in the treatment of lymphedema