Patent · US Active

Leak detecting sensor and chemical liquid injection system

US9905721B2 · kind B2 · utility

0Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 2012
Grant dateFeb 27, 2018
Priority date
Expiry dateApr 23, 2032

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2205/3306
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.