Cleared Traditional

RESPONSE EXTERNAL PENILE RIGIDITY DEVICE (K900559) - FDA 510(k) Clearance

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

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May 1990
Decision
84d
Days
Class 2
Risk

K900559 is an FDA 510(k) clearance for the RESPONSE EXTERNAL PENILE RIGIDITY DEVICE. Classified as Device, External Penile Rigidity (product code LKY), Class II - Special Controls.

Submitted by Smith-Collins Pharmaceutical, Inc. (West Chester, US). The FDA issued a Cleared decision on May 2, 1990 after a review of 84 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5020 - 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 Smith-Collins Pharmaceutical, Inc. devices

Submission Details

510(k) Number K900559 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 07, 1990
Decision Date May 02, 1990
Days to Decision 84 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
46d faster than avg
Panel avg: 130d · This submission: 84d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LKY Device, External Penile Rigidity
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5020
Definition Intended To Create Or Maintain Sufficient Penile Rigidity For Sexual Intercourse. These Include Vacuum Pumps, Constriction Rings, And Penile Splints, Which Are Mechanical, Powered Or Pneumatic Devices.
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.