a. It is thought that Sushruta was probably the first surgeon to perform surgical operations, and the Sushruta Samhita is one of the oldest works In the world that deal with surgery.

b. The first cardiac surgery was done by Dr Williams. A patient, James Cornish. was suffering from a very serious knife wound, and the knife had cut an artery less than an inch from his heart. It had punctured the pcricardium. Dr Williams and six staff doctors performed a complicated and daring operation and repaired the heart. This became the first successful cardiac surgery.

c. Harvey Cushing was the first neurosurgeon and is considered to be the father of modern neurological surgery. In the early part of the 20g” century, he developed basic techniques and instruments for operating on the brain. Cushing reduced the mortality rate for neurosurgery from 90% to less than 10%. By 1937, when he retired, he had successfully removed more than 2000 tumours. One of his most significant achievements was the development of a method to stem blood loss by inventing a clip called the ‘silver clip’ or the ‘Cushing clip’.

d. Robotic surgery is a type of minimal invasive surgery. Use Is made of miniature surgical Instruments, that fit through quarter-inch Incisions. Robotic surgery gives the surgeon a 3-D view of the operating site. Every movement he makes with the master controls Is replicated accurately by the robot. When necessary. the surgeon can even change the scale of the robot’s movements. Surgeons can use this technology to perform complex surgical procedures.