Transonic Sues Fresenius Over Dialysis Device Patent
The disputed patents protect Transonic's "Krivitski Method" of measuring access flow during dialysis, using blood line reversal and indicator dilution principles, the company said. Transonic claims that the on-line clearance access flow measurement that Fresenius recently integrated in its 2008K Dialysis Delivery Machine infringes the Krivitski measurement approach.
Transonic said it had approached Fresenius several times to...
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