Medical Devices and Medical Equipment Design 37 Degrees BioDetector Fingerprint Sensor by 37 Degree Smart Home Guangzhou 37 Degree Smart Home Ltd. 37 Degrees BioDetector is a fingerprint sensor designed for personal health monitoring. The sensor identifies each user quickly and stores a personal health file. When a finger is placed on the sensing surface, blood pressure, blood oxygen and heart rate are measured within one minute. The measured data is uploaded to a cloud server, where it can be viewed, managed and shared through a linked mobile application. The sensor can be used on its own or built into furniture such as sofas and tables, which allows use in many public places.