Biomedical Sensors, Ltd.

Magnus Oxygen Limited

Mervyn Singer

Alex Peter Dyson

John Francis Martin

An apparatus for the determination and continuous monitoring of bladder epithelial oxygen (pbO.sub.2) which comprises, in combination, an introductory catheter with an inflatable placement cuff and an oxygen sensor, wherein the sensor is completely accommodated within the catheter when not in use and, when the apparatus is placed within a patient's bladder, the sensor is adapted to be deployed so that the distal end of the sensor passes through an open port in the distal wall of the catheter and extends beyond the tip of the catheter to rest against the wall of the bladder; and a method for the continuous monitoring of pbO.sub.2 using such apparatus.

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London, United Kingdom

Mervyn Singer