Patent ID: 8615294
Filing Date: 2013-12-24
Classification: A61B,A61N

Abstract:
1. Apparatus comprising: an electrode cuff, which comprises: a housing, which is configured to be placed around a nerve of a subject at a first location neither within nor in contact with a heart of the subject; and one or more cuff first electrode contact surfaces, which are fixed to the housing; at least one second electrode contact surface, which is not directly mechanically coupled to the electrode cuff, and which is configured to be positioned in a body of the subject at a second location neither within nor in contact with the heart; and a control unit, which comprises: a sensing unit, which is configured to sense, using (a) at least one of the cuff first electrode contact surfaces and (b) the at least one second electrode contact surface, an electrical signal between (a) the at least one of the cuff first electrode contact surfaces and (b) the at least one second electrode contact surface; and an analysis unit, which is configured to analyze the signal to identify a parameter of a cardiac cycle of the subject.