Cleared Traditional

K771815 - SIGMOSCOPE (FDA 510(k) Clearance)

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

K771815 · Dynatech Cryomedical Co. · Gastroenterology & Urology device
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Oct 1977
Decision
10d
Days
Class 2
Risk

K771815 is an FDA 510(k) clearance for the SIGMOSCOPE. Classified as Sigmoidoscope And Accessories, Flexible/rigid (product code FAM), Class II - Special Controls.

Submitted by Dynatech Cryomedical Co. (Mchenry, US). The FDA issued a Cleared decision on October 7, 1977 after a review of 10 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.1500 - the FDA gastroenterology and urology 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 Dynatech Cryomedical Co. devices

Submission Details

510(k) Number K771815 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 27, 1977
Decision Date October 07, 1977
Days to Decision 10 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
120d faster than avg
Panel avg: 130d · This submission: 10d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code FAM Sigmoidoscope And Accessories, Flexible/rigid
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.1500
Definition To Examine And Perform Procedures Within The Sigmoid (descending) Colon
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 Gastroenterology & Urology devices follow this clearance model.