Cleared Traditional

ELECTROSURGICAL GENERATOR, MODEL S1 (K000501) - FDA 510(k) Clearance

Class II General & Plastic Surgery device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K000501 · Somnus Medical Technologies, Inc. · General & Plastic Surgery device
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Mar 2000
Decision
31d
Days
Class 2
Risk

K000501 is an FDA 510(k) clearance for the ELECTROSURGICAL GENERATOR, MODEL S1. Classified as Electrosurgical, Cutting & Coagulation & Accessories within the GEI classification (a category for electrosurgical cutting and coagulation devices), Class II - Special Controls.

Submitted by Somnus Medical Technologies, Inc. (Sunnyvale, US). The FDA issued a Cleared decision on March 17, 2000 after a review of 31 days - a notably fast clearance cycle.

This device falls under the General & Plastic Surgery FDA review panel, regulated under 21 CFR 878.4400 - the FDA general and plastic surgery 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 Somnus Medical Technologies, Inc. devices

Submission Details

510(k) Number K000501 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 15, 2000
Decision Date March 17, 2000
Days to Decision 31 days
Submission Type Traditional
Review Panel General & Plastic Surgery (SU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
84d faster than avg
Panel avg: 115d · This submission: 31d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GEI Electrosurgical, Cutting & Coagulation & Accessories
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.4400
Definition Validated Reprocessing Instructions And Reprocessing Validation Data For This Device Type Must Be Included In A 510(k) Submission If The Device Is Reusable And Has Specific Design Features (please Refer To Table 2 Of 82 Fr 26807, Available At Https://www.gpo.gov/fdsys/pkg/fr-2017-06-09/pdf/2017-12007.pdf).
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 General & Plastic Surgery devices follow this clearance model.

Regulatory Peers - GEI Electrosurgical, Cutting & Coagulation & Accessories

All 570
Devices cleared under the same product code (GEI) and FDA review panel - the closest regulatory comparables to K000501.
ADVANTAGE SINGLE-USE ELECTROSURGICAL ATTACHMENT-J-HOOK TIP, L-HOOK TIP, CORBITT SPATULA TIP, BALL TIP, NEEDLE TIP
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CLEARGLIDE PRECISION BIPOLAR DEVICE
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SOVEREIGN BIPOLAR INSTRUMENTS
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DYONICS ELECTROBLADE
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DYONICS VARICOSE VEIN ABLATION BLADE
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DEXIDE BIPOLAR FORCEPS II** DEVICE
K993055 · United States Surgical, A Division of Tyco Healthc · Oct 1999