Profile: Welch Allyn manufactures and supplies medical diagnostic equipment & instruments. We offer a suite of products that will compliment dental practice. Our dental products include defibrillator, patient monitoring devices and head lights. Our Solid State Procedure Headlights Provide cool, bright white light that is ideal for a variety of office-based procedures. It provides targeted, well-defined illumination without the heat of traditional headlight. It weighs approximately six ounce and it is extremely comfortable to wear for simple & complex procedures.