System for indicating the expiration of the useful operating life of a pulse oximetry sensor
US6515273B2 · kind B2 · utility
1,130Cited by
21References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 2000 |
| Grant date | Feb 4, 2003 |
| Priority date | — |
| Expiry date | Feb 10, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/08
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system and a method monitor the useful and safe life of a pulse oximetry sensor. According to one embodiment, the system includes a sensor having a timer and a sensor life indicator. The sensor life indicator may advantageously include a visual alarm, an audio alarm, a vibrational alarm, a power down function, or the like. According to another embodiment, the system includes a sensor having a memory device storing a unique identifier. According to another embodiment, the system employs the oximeter for aspects of the timer or sensor life indicator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.