Cleared Traditional

K840739 - MEDILASER-S MEL-444-S

K840739 is an FDA 510(k) clearance for MEDILASER-S MEL-444-S, manufactured by Mochida Pharmaceutical Co., Ltd.. The device is a Class 2 General & Plastic Surgery device with product code GEX cleared through the Traditional 510(k) pathway after a 212-day FDA review.

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Sep 1984
Decision
212d
Days
Class 2
Risk

K840739 is an FDA 510(k) clearance for the MEDILASER-S MEL-444-S. Classified as Powered Laser Surgical Instrument within the GEX classification (a category for powered laser surgical instruments across multiple specialties), Class II - Special Controls.

Submitted by Mochida Pharmaceutical Co., Ltd. (Walker, US). The FDA issued a Cleared decision on September 20, 1984 after a review of 212 days - an extended review cycle.

This device falls under the General & Plastic Surgery FDA review panel, regulated under 21 CFR 878.4810 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the General & Plastic Surgery review framework, consistent with the majority of Class II 510(k) submissions.

View all Mochida Pharmaceutical Co., Ltd. devices

FDA 510(k) Submission Details - K840739

510(k) Number K840739 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 21, 1984
Decision Date September 20, 1984
Days to Decision 212 days
Submission Type Traditional
Review Panel General & Plastic Surgery (SU)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
97d slower than avg
Panel avg: 115d · This submission: 212d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

GEX Device Classification - Class 2, Special Controls

Product Code GEX Powered Laser Surgical Instrument
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.4810
Definition A Laser (light Amplification By Stimulated Emission Of Radiation) Based Device Having Coherence, Collimated And Typically Monochromatic Radiation. Typically Indicated To To Cut, Destroy, Remove Or Coagulate Tissue, Generally Soft Tissue, For General Surgical Purpose In Medical Specialties Of General And Plastic Surgery, Dermatology/aesthetic, Podiatry, Otolaryngology (ent), Gynecology, Neurosurgery, Orthopedics (soft Tissue), Dental And Oral Surgery, And Dentistry. The Classification Regulation 21 Cfr 878.4810 Describes A Device That Is Carbon Dioxide Or Argon Laser Intended To Cut, Destroy, Remove Or Coagulate Tissue By The Light.
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 - GEX Powered Laser Surgical Instrument

All 1537
Devices cleared under the same product code (GEX) and FDA review panel - the closest regulatory comparables to K840739.
SURGICAL LASER MICRO-TIPS
K844644 · Surgical Laser Technologies, Inc. · May 1985
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K850779 · Cooper Lasersonics, Inc. · Apr 1985
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K842703 · Cooper Lasersonics, Inc. · Oct 1984
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K834166 · C.R. Bard, Inc. · Sep 1984
HALO CO LASER SYSTEM
K841234 · Directed Energy, Inc. · Jul 1984
MODEL 450XL CO2 SURGICAL LASER
K820327 · Lumenis, Inc. · Mar 1982