This is a sketch of the initial prototype

This is the first prototype that did not have an outside connection to the EKG machine.

This prototype features the EKG cable

This prototype has the wires connected via rotary connection. This allows for a connection to the patient as well as to the EKG machine

this final prototype shows the sponge cleaning mechanism that is replaceable and disposable

Shows the final prototype closed with the wire enclosed by the sponge and the PVC encasing