Penfield Dissector #4DDP Elite USA Penfield Dissector is a highly useful surgical instrument designed for use in general dissection and exploration. The #4 model has a slim, cylindrical handle from which extends a shaft that has a flattened blade at the end. This dissector features a blunt, rounded blade making this ideally suited for neurosurgical procedures like craniotomies. This instrument is crafted for handling and exploring delicate brain tissue and causing minimal