Imperial College Innovations Limited

Imperial College of Science, Technology and Medicine

Prapa Kanagaratnam

Darrel Parthipan Francis

Nick Linton

Matthew Shun-Shin

Emmanuel Mic Drakakis

Nicholas Linton

Simos Koutsoftidis

Apparatus for monitoring activation in a heart comprises a probe, a plurality of electrodessupported on the probe and extending over a detection area of the probe, the detection area being arranged to contact a detection region of the heart. Each of the electrodesis arranged to detect electrical potential at a respective position in the heart during movement of a series of activation wave fronts across the detection region. A processor is arranged to analyse the detected electrical potentials to identify a propagation direction of at least one of the wave fronts, and to generate an output indicative of that direction.

Systems and methods for treating cardiac arrhythmia

A method of analysing changes in the electrical activity of a patient's heart between a reference state and a test state, the method using a reference data set of electrophysiological data captured from the patient in the reference state and at least one test data set of electrophysiological data captured from the patient in the test state, each data set defining a plurality of electrograms for a respective plurality of spatial locations relative to the heart, the method comprising processing the electrophysiological data by, matching each electrogram in the reference data set to a corresponding electrogram in the at least one test data set to create a pair of electrograms for each of the plurality of spatial locations, and deriving a time delay for each spatial location by calculating the time delay between the electrograms of the pair of matched electrograms for that spatial location.

Method and apparatus for analysing changes in the electrical activity of a patient's heart in different states

Apparatus for monitoring activation in a heart comprises a probe (), a plurality of electrodes () supported on the probe and each arranged to detect electrical potential at a respective position in the heart during a series of activations, and processing means () arranged to analyse the detected electrical potentials to identify a propagation direction of the activation, and to generate an output indicative of that direction.

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Prapa Kanagaratnam