Streaming Potential Based Arthroscopic Instrument Distinguishes Site-Specific Properties Of Equine Articular Cartilage

Abstract — Editorial summary

An experimental arthroscopic probe was used to map streaming potentials at thirty-six locations from both stifle joints of one horse. Electromechanical measurements were compared with cartilage thickness and material properties obtained from subsequent compression tests. The signal varied across joint regions and correlated with thickness and fibril stiffness, but not with every biochemical or mechanical measure. The findings demonstrate site-dependent electrical behaviour and support functional mapping of cartilage. Because the specimens came from a single animal, they do not establish population reference values.

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