Pulse oximeter

Details Pulse oximeter Pulse oximeter

2005-11-08

2005-11-08

Jones, Mary Beth (Department: 3736)

Surgery

Diagnostic testing

Measuring or detecting nonradioactive constituent of body...

C600S323000

Reexamination Certificate

active

06963767

ABSTRACT:
The invention relates to pulse oximeters used to measure blood oxygenation. The current trend towards lower power consumption has brought a problem of erroneous readings caused by intrachannel crosstalk, i.e. errors due to the coupling of undesired capacitive, inductive, or conductive (resistive) pulse power from the emitting side of the pulse oximeter directly to the detecting side of the oximeter. The pulse oximeter of the invention is therefore provided with means for detecting whether intrachannel crosstalk is present and whether it will cause erroneous results in the oxygenation measurements. The pulse oximeter is preferably further provided with means for eliminating intrachannel crosstalk which are adapted to control the measurement so that measurement signals can be obtained which are substantially void of crosstalk components.

REFERENCES:
patent: 4942877 (1990-07-01), Sakai et al.
patent: 5919134 (1999-07-01), Diab
patent: 5995858 (1999-11-01), Kinast
patent: 2003/0028357 (2003-02-01), Norris et al.
patent: WO99/52420 (1999-10-01), None
patent: WO 02/41536 (2002-05-01), None

Affiliated with

Also associated with

Rating

Pulse oximeter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pulse oximeter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pulse oximeter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3502233