The first microsurgical transplantation of the great toe (big toe) to thumb was performed in April 1968 by Mr. John Cobbett, in England. 1968 (MCMLXVIII) was a leap year starting on Monday (the link is to a full 1968 calendar). ...
Microsurgery is surgery that is performed on very small structures, such as blood vessels and nerves, with specialized instruments under a microscope.
Microsurgery uses techniques that have been performed by surgeons since the early twentieth century, such as blood vessel repair and organ transplantation, but under conditions that make traditional vascular surgery difficult or impossible.
As in the case of suture thread, the type of needle used depends on the procedure and tissue to be sutured; generally, needles with a diameter of less than 0.15 mm are used for microsurgery.