Complex sentence: Pupin was also the first use X-rays for medical purposes, when he was a New York surgeon Bal sent the patient which should operate of the left hand full of lead shot balls.
Split into simpler sentences: Pupin was also the first to use X-rays for medical purposes. When he was a New York surgeon Dr. Bal sent a patient for an x-ray, which would need to be operated on his left hand full of lead shot balls.