A voucher is a bond of the redeemable transaction type which is worth a certain monetary value and which may be spent only for specific reasons or on specific goods.
In 1985 a robot, the Unimation Puma 200, was used to place a needle for a brain biopsy using CT guidance. In 1992, the PROBOT, developed at Imperial College London, was used to perform prostatic surgery by Dr. Senthil Nathan at Guy's and St Thomas' Hospital, London. This was the first pure robotic surgery in the world.
In January 1978, deLorimier recruited Dr. Michael Harrison who was just finishing his pediatric surgery fellowship at Children's Hospital Los Angeles. For the next 10 years, these two shared a growing practice, heavy on complex surgical reconstruction in children, particularly for babies with birth defects.hen Fonkalsrud returned to Los Angeles and deLorimier returned to San Francisco as the first fellowship-trained pediatric surgeons, they established the specialty of pediatric surgery in California.