Speidel-Keller OSZ 4
Device Name:
Speidel + Keller
Device Model:
OSZ 4
Manufacturer:
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 and PR
Primary Client Use:
Intended for self-measurement and home use
Measurement Site:
Upper Arm
Measurement Occurrence:
Single measurements only
Availability:
Discontinued but still available
Device Manual:
Description:
The Speidel-Keller OSZ 4 is a surface-placed semi-automatic blood pressure monitor. Medaval has not found evidence proving the accuracy of its blood pressure measurement technology. Blood pressure measurements are taken from the upper arm. It is intended for self-measurement and home use. This device has been discontinued by the manufacturer but may be available through certain outlets.
Assessment:
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.
Recommendations:
| Accuracy Assessment | Recommendation | Basis | |
| BP | Medaval | Not recommended | This device has not been clinically validated. |