Novel multi wavelength sensor concept to measure carboxy- and methemoglobin concentration non-invasively

Ulrich Timm; Jens Kraitl; Helge Gewiss; Svend Kamysek; Beate Brock; Hartmut Ewald

doi:10.1117/12.2211658

4 March 2016 Novel multi wavelength sensor concept to measure carboxy- and methemoglobin concentration non-invasively

Ulrich Timm, Jens Kraitl, Helge Gewiss, Svend Kamysek, Beate Brock, Hartmut Ewald

Proceedings Volume 9715, Optical Diagnostics and Sensing XVI: Toward Point-of-Care Diagnostics; 97150S (2016) https://doi.org/10.1117/12.2211658
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

This paper will describe a novel multi-wavelength photometric method to measure carboxyhemoglobin (COHb) and methemoglobin (MetHb) concentration non-invasively.

COHb and MetHb are so called dysfunctional hemoglobin derivatives and they are not able to carry oxygen. Standard pulse oximeters are only able to measure two derivatives, namely oxyhemoglobin (O₂Hb) and deoxyhemoglobin (HHb) but the presence of other derivatives in the blood may distort the readings. The paper presents a new approach of a noninvasive sensor system to measure COHb and MetHb and the validation in vivo and in vitro.

Conference Presentation

Citation Download Citation

Ulrich Timm, Jens Kraitl, Helge Gewiss, Svend Kamysek, Beate Brock, and Hartmut Ewald "Novel multi wavelength sensor concept to measure carboxy- and methemoglobin concentration non-invasively", Proc. SPIE 9715, Optical Diagnostics and Sensing XVI: Toward Point-of-Care Diagnostics, 97150S (4 March 2016); https://doi.org/10.1117/12.2211658

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