Abstract: A catheter includes a shaft including a proximal end and a distal end, an electrical conductor coupled to the catheter, and an electrode coupled to the electrical conductor. The electrode includes at least one recessed portion, and an impedance reduction layer disposed in the at least one recessed portion. The impedance reduction layer has a thickness less than a depth of the recessed portion.

Abstract: A light emitting diode (LED) end cap warning signal assembly is disclosed. The end cap warning signal assembly includes a controller for generating a warning signal that simulates a rotating warning light signal. The end cap warning signal assembly further includes an integer number of M-LEDs arranged in an integer number of N-LED groups, with each LED having a duty cycle and at least 6 states.

Abstract: A light emitting diode (LED) 360 degree pod warning signal light is disclosed. The 306 degree pod includes a controller for generating a plurality of observable light signals. The controller may regulate the illumination of LED's to a desired pattern, sequence, and/or combination of simultaneous and/or individual light signals. The 360 degree pod includes a support frame which is adapted to receivingly hold an LED light source assembly through the use of affixation clips. A plurality of light directors are positioned proximate to the LED Light sources which in conjunction with the cover function to direct and focus the light emitted from the LED's in a desired direction or area.

Abstract: A light emitting diode (LED) warning signal light bar is disclosed. The warning signal light bar includes a controller for generating a plurality of observable light signals. The controller may regulate the illumination of LED's to a desired pattern, sequence, and/or combination of simultaneous and/or individual light signals. The warning signal light bar includes a support frame which is adapted to receivingly hold an LED light source assembly. A plurality of light directors are positioned proximate to the LED Light sources which in conjunction with the cover function to direct and focus the light emitted from the LED's in a desired direction or area.