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Welch Allyn Spot Vital Signs (4200B)

Device Name:Spot Vital Signs
Manufacturer:Welch Allyn Inc., 4341 State Street Road, Skaneateles Falls, NY 13153, UNITED STATES.
Measuring functions:Blood pressure
Primary Client Use:Intended for professional use
Measurement Site:Upper Arm
Measurement Occurrence:Single measurements only
Availability:Available Currently
Assessment:

The technology used in the Welch Allyn Spot Vital Signs (4200B), 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. It has also been assessed, in a specific population, according to a non-standard protocol.

Accuracy AssessmentRecommendationBasis
MedavalLegacy approvalOlder clinical validation; older protocol
ESH (Europe)Professional use for adults and childrenPublished evidence

Validation Publications

Alpert BS. Validation of the Welch Allyn Spot Vital Signs blood pressure device according to the ANSI/AAMI SP10: 2002. Accuracy and cost-efficiency successfully combined. Blood Press Monit. 2007 Oct;12(5):345-7. PMID: 17890975.

SP10:2002 - Pass General population

Feenstra RK, Allaart CP, Berkelmans GFN, Westerhof BE, Smulders YM. Accuracy of oscillometric blood pressure measurement in atrial fibrillation. Blood Press Monit. 2018 Apr;23(2):59-63. Epub: 2017 Dec 17. doi: 10.1097/MBP.0000000000000305. PMID: 29256921.

Ad Hoc protocol Atrial Fibrillation (n=58)

Relevant Publications

Davis PD, Dennis JL, Railton R. Evaluation of the A&D UA-767 and Welch Allyn Spot Vital Signs noninvasive blood pressure monitors using a blood pressure simulator. J Hum Hypertens. 2005 Mar;19(3):197-203. PMID: 15565174.

Measurements from the Welch Allyn Spot Vital Signs (4200B) are compared to those from a simulator, though not in a formal validation.