Transonic Systems Inc

Patent infringement lawsuit settled on dialysis blood flow measurement methods

Published in Lab Law Weekly, December 16th, 2005

Transonic Systems Inc and Hema Metrics have agreed on terms to settle the patent infringement lawsuit initiated by Transonic against Noninvasive Medical Technologies now dba Hema Metrics. The suit involved three blood line reversal methods to measure access flow with Hema Metrics' Crit-Line IIR and Crit-Line III monitors: the saline injection method, the "Go/No-Go" method, and the Delta-H method.

The settlement came after a recent favorable ruling by the United States Court of Appeals for the Federal Circuit relating to Transonic's United States Patent No. 5,685,989 (the Krivitski patent) on the indicator dilution, blood line reversal approach to measure access flow...

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Source: Lab Law Weekly (2005-12-16)

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