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.
|Medaval||Not recommended||This device has not been clinically validated.|