Pacemaker training aid

Claim 1

A teaching device, for illustrating the operation of a heart by illuminating various predetermined portions, in a predetermined sequence, of an illustration of a human heart, to display the sequence of command signals received by those portions of the heart for control of their normal or abnormal operation and the effect that a pacemaker has on the sequence of command signals received by the abnormal heart, comprising: an illustration of a heart indicating various heart elements including at least the four major chambers, atrioventricular and sinoatrial nodes, proximal and distal portions of the common bundle of His, left and right bundle branches and left and right side Purkinje fibers, light emitting means for separately illuminating each one of said illustrated elements, control means selectively operable to sequentially illuminate each of said light emitting means, and consequently said elements, in at least a first predetermined illumination sequence and at least at a first predetermined rate to indicate at least one of a number of predetermined abnormal functions of the heart, and to sequentially illuminate each of said light emitting means, and consequently said elements, in second predetermined illumination sequence and at a second predetermined rate to indicate the normal functioning of the heart; selection means coupled to the control means for operator selection of any one of said predetermined illumination sequences; a dummy pacemaker operable to be physically attached to the teaching device during the teaching process; a dummy electrode operable to be physically attached to the illustration of the heart, whereby the possible portions of the heart which a pacemaker will stimulate, may be illustrated; and first indicia at said dummy pacemaker and dummy electrode and second indicia at said predetermined element, each of said indicia being responsive to the connecting of said dummy electrode to said heart to indicate that the connection has been made.