Method and apparatus for blood glucose testing from a reversible infusion line
US7162290B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 16, 2005 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Sep 16, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/201
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for periodically and automatically testing and monitoring a patient's blood glucose level. A disposable testing unit is carried by the patient's body and has a testing chamber in fluid communication with infusion lines and a catheter connected to a patient blood vessel. A reversible peristaltic pump pumps the infusion fluid forwardly into the patient blood vessel and reverses its direction to pump blood into the testing chamber to perform a glucose level test. The presence of blood in the testing chamber is sensed by a LED/photodetector pair or pairs and when the appropriate blood sample is present in the test chamber, a glucose oxidase electrode is energized to obtain the blood glucose level. The resulting glucose level is displayed on a monitor. The unit is typically used for a patient in an intensive care unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.