Evaluation of accuracy of portable fingertip pulse oximeter
, as compared to that of a hospital oximeter
with digital sensor.
A plateau was defined as stable when the readings of the reference pulse oximeter
manufactured by Nellcor oximeter
(N-550, Nellcor Puritan Bennett Inc., Pleasanton, CA) have not changed more than 1% for 10 seconds.
Numerous studies have determined the accuracy of various pulse oximeter
models, with literature reviews and meta-analyses concluding most devices have acceptable levels of agreement with arterial oxygen saturation levels in nonhypotensive patients (Giuliano & Higgins, 2005; Jensen, Onyskiw, & Prasad, 1998; Keogh & Kopotic, 2005; Nitzan, Romem, & Koppe, 2014; Soubani, 2001).
Oxygen saturation (the percentage of arterial blood that is bound with oxygen) and pulse rate (the number of times the heart beats per minute) provide an indication of lung and heart efficiency and increasingly are being measured with fingertip pulse oximeters
for personal use.
proves to be an ideal device for an early recognition of hypoxia.
In the early 1990's I did some research for one of the pulse oximeter
In July 2011, Lifebox donated 80 pulse oximeters
to hospitals in Uganda.
There are no inexpensive portable pulse CO-oximeters on the market and a pulse oximeter
cannot indicate impending carbon monoxide-related hypoxemia.
Members donated pounds 1,500 to the charity for research into the disease and purchased three oximeters
The non-invasive nature of the oximeter
was a revolution for the times, as we were all dealing with Universal Precautions, and seeking ways to avoid contact with human blood or other potentially infectious materials.
Working to develop a tabletop pulse oximeter
, GE Healthcare engineers developed the TruSat pulse oximeter--a new product designed to be more durable and easier to use than similar products currently on the market.
Comparing S[O.sub.2] obtained by pulse oximetry with F[O.sub.2]Hb obtained by "CO-oximetry" in patients with high fractions of COHb or MetHb led to numerous reports erroneously stating that the oxygen saturation was greatly overestimated by the pulse oximeter
in these patients.