The tech firm completed its CNY97 million angel round and pre-Series A round, the Shanghai-based company said in a statement yesterday. The company has tested the technology on mice, rabbits, and monkeys by using surgical robots, a member of the technology team told Yicai Global. NeuroXess has developed a minimally invasive implant to insert a flexible electrode as thin as one hair under the skin of an animal skull to detect brain signals.