Gastrocameras

The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time we focus on gastrocameras, which have led to a revolution in cancer treatment. The first gastrocamera, the predecessor of those now used by hospitals around the world, was developed in Japan in 1950. We probe the untold drama behind the creation of the gastrocamera and look into the technological evolution that continues today.