A novel maize variety designated PH1D1R and seed, plants and plant parts thereof. The present invention is a charge-giving body, comprising a defected region in which defect is introduced into a crystal structure in a crystalline semiconductor surface, charge being given from the defected region. The method and the device are combined with a method for detecting blood cells, red blood cells, haemoglobin andor debris in liquid coming from a surgical site to provide an automatic control and rinsing system with clear vision in the viewing area of the operational site.