Leak detecting sensor and chemical liquid injection system
US9905721B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2012 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Apr 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.