Young-Kwang Park,Takanobu Yagi,Seiichi Ono,Tomoyuki Kawabe,Tatsuya Ito
申请号:
US13453108
公开号:
US09905721B2
申请日:
2012.04.23
申请国别(地区):
US
年份:
2018
代理人:
摘要:
To provide a leak detecting sensor capable of favorably detecting a leak of a chemical liquid regardless of orientation in fixing to a patient. The leak detecting sensor has a plurality of light-emitting elements 11 each emitting light to be applied to the patient, and a single light-receiving element receiving the light emitted by the plurality of light-emitting elements and reflected by the patient. The plurality of light-emitting elements are placed to surround the single light-receiving element.