Optical access disconnection systems and methods
US8376978B2 · kind B2 · utility
43Cited by
67References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 9, 2007 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Jul 1, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/65
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An access disconnection system includes: a material capable of absorbing blood from a patient upon an arterial or venous line disconnection; a light emitter positioned to emit light onto the material; a light receiver positioned to receive light reflected off of the material; and electronic circuitry operably coupled to at least one of the light emitter and receiver, the circuitry configured to provide an output (i) when light received by the receiver reaches a particular level or (ii) indicative of an amount of light received by the light receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.