Cleared Traditional

K791235 - CADWELL 7000 ELECTROMYOGRAPH MACHINE (FDA 510(k) Clearance)

Class II Neurology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K791235 · Cadwell Laboratories, Inc. · Neurology device
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Aug 1979
Decision
41d
Days
Class 2
Risk

K791235 is an FDA 510(k) clearance for the CADWELL 7000 ELECTROMYOGRAPH MACHINE. Classified as Electromyograph, Diagnostic (product code IKN), Class II - Special Controls.

Submitted by Cadwell Laboratories, Inc. (Walker, US). The FDA issued a Cleared decision on August 16, 1979 after a review of 41 days - a notably fast clearance cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 890.1375 - the FDA neurology device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Cadwell Laboratories, Inc. devices

Submission Details

510(k) Number K791235 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 06, 1979
Decision Date August 16, 1979
Days to Decision 41 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
107d faster than avg
Panel avg: 148d · This submission: 41d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code IKN Electromyograph, Diagnostic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 890.1375
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Neurology devices follow this clearance model.