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Speidel-Keller OSZ 4

Device Name:Speidel + Keller
Device Model:OSZ 4

Brand: Speidel & Keller GmbH, Zollerstraße 2-4, Jungingen D-72417, GERMANY.

OBL: Welch Allyn Inc., 4341 State Street Road, Skaneateles Falls, NY 13153, UNITED STATES.

Measuring functions:Blood pressure
Primary Client Use:Intended for self-measurement and home use
Measurement Site:Upper Arm
Measurement Occurrence:Single measurements only
Availability:Discontinued but still available
Description: The Speidel-Keller OSZ 4 is a non-clinically-validated semi-automatic surface-placed blood pressure monitor. Measurements are taken from the upper arm and it is intended for self-measurement and home use. This device has been discontinued by the manufacturer but may be available through certain outlets.

There appears to be no peer-reviewed clinical validation information available on the technology used in the Speidel-Keller OSZ 4 to measure blood pressure.

Accuracy AssessmentRecommendationBasis
MedavalNot recommendedThis device has not been clinically validated.