The Diethrich Micro Bulldog Clamp is used for clamping and occluding blood vessels during cardiothoracic surgical procedures. The features comprise tweezers shaped body and ribbed thumb support handles, and serrated jaws for securely clamping the vessels without wounding their walls and encompassing structure. This clamp is a useful 100% German medical-grade stainless steel equipment that has been manufactured in multiple variations to meet the surgery's requirements.