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Somno Somnotouch NIBP (TON100)
Device Name:
Somnotouch NIBP
Device Model:
SOMNOmedics GmbH, Am Sonnenstuhl 63, 97236 Randersacker, GERMANY.
Measuring functions:
Blood pressure, Arrhythmias, SpO2, ECG, PWV, Activity level
Primary Client Use:
Intended for patient monitoring with ABPM
Measurement Site:
BP & SpO2: Finger
Measurement Occurrence:
BP & SpO2: Continuous measurement
Available Currently
The Somno Somnotouch NIBP (TON100) is an ambulatory patient monitor. Its blood pressure measurement technology has been proven to be accurate, with a 2-star Medaval rating and information regarding the accuracy of its oxygen saturation measurement technology does not appear to be available. Blood pressure measurements and oxygen saturation measurements are taken from the finger. It is intended for both bedside patient monitoring and ABPM.
The technology used in the Somno Somnotouch NIBP (TON100), to measure blood pressure, has passed in a clinical validation study, in a general population, according to a recognised standard protocol, as published in a peer-reviewed publication. There appears to be no peer-reviewed clinical validation information available on the technology used in the Somno Somnotouch NIBP (TON100) to measure peripheral oxygen saturation.
Accuracy AssessmentRecommendationBasis
BP Medaval ★★ Recommendation Recent clinical validation; recent protocol
BP Stride BP ABPM for adults Published evidence
Validation Publications:

Bilo G, Zorzi C, Ochoa Munera JE, Torlasco C, Giuli V, Parati G. Validation of the Somnotouch-NIBP noninvasive continuous blood pressure monitor according to the European Society of Hypertension International Protocol revision 2010. Blood Press Monit. 2015 Oct;20(5):291-4. Epub: 2015 Apr 28. doi: 10.1097/MBP.0000000000000124. PMID: 25932885.

ESH-IP:2010 - Pass General population

Relevant Publications:

Manning LS, Robinson TG, Panerai RB. The SOMNOtouch device as a novel method for measuring short-term blood pressure variability: a comparison with the Finometer. Blood Press Monit. 2015 Dec;20(6):361-8. doi: 10.1097/MBP.0000000000000128. PMID: 26154853.

Measurements from the Somno Somnotouch NIBP (TON100) are compared to those from the Finapres Finometer Midi, though not in a formal validation.

Golberg M, Ruiz-Rivas J, Polani S, Beiderman Y, Zalevsky Z. Large-scale clinical validation of noncontact and continuous extraction of blood pressure via multipoint defocused photonic imaging. Appl Opt. 2018 Mar 1;57(7):B45-B51. doi: 10.1364/AO.57.000B45. PMID: 29522038.

The publication describes the Somno Somnotouch NIBP (TON100) being used as a reference device for comparison with .

Nyvad J, Christensen KL, Buus NH, Reinhard M. The cuffless SOMNOtouch NIBP device shows poor agreement with a validated oscillometric device during 24-h ambulatory blood pressure monitoring. J Clin Hypertens (Greenwich). 2021 Jan;23(1):61-70. Epub: 2020 Dec 17. doi: 10.1111/jch.14135. PMID: 33350030.

Measurements from the Somno Somnotouch NIBP are compared to those from the Spacelabs SL-90217, though not in a formal validation.

Bothe TL, Hulpke-Wette M, Barbarics B, Patzak A, Pilz N. Accuracy of cuff-less, continuous, and non-invasive blood pressure measurement in 24-h ABPM in children aged 5-17. Blood Press. 2023 Dec;32(1):2255704. doi: 10.1080/08037051.2023.2255704. PMID: 37683118.

Measurements from the Somno Somnotouch NIBP (TON100) are compared to those from the IEM Mobil-O-Graph, though not in a formal validation.