Cleared Traditional

K993501 - 3D1 MICROPOSITIONING HEADSTAGE

K993501 is an FDA 510(k) clearance for 3D1 MICROPOSITIONING HEADSTAGE, manufactured by Scientific Tools, Inc.. The device is a Class 2 Neurology device with product code HAW cleared through the Traditional 510(k) pathway after a 38-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Nov 1999
Decision
38d
Days
Class 2
Risk

K993501 is an FDA 510(k) clearance for the 3D1 MICROPOSITIONING HEADSTAGE. Classified as Neurological Stereotaxic Instrument (product code HAW), Class II - Special Controls.

Submitted by Scientific Tools, Inc. (Rockville, US). The FDA issued a Cleared decision on November 22, 1999 after a review of 38 days - a notably fast clearance cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.4560 - 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 Scientific Tools, Inc. devices

FDA 510(k) Submission Details - K993501

510(k) Number K993501 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 15, 1999
Decision Date November 22, 1999
Days to Decision 38 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
110d faster than avg
Panel avg: 148d · This submission: 38d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

HAW Device Classification - Class 2, Special Controls

Product Code HAW Neurological Stereotaxic Instrument
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.4560
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.

Regulatory Peers - HAW Neurological Stereotaxic Instrument

All 333
Devices cleared under the same product code (HAW) and FDA review panel - the closest regulatory comparables to K993501.
STEALTHSTATION TREATMENT GUIDANCE PLATFORM
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VIRTUOSO-STEREOTAXIC PLANNING SOFTWARE
K991706 · Stryker Corp. · Dec 1999
AXON MP-1 MICROPOSITIONER
K990683 · Axon Instruments, Inc. · Nov 1999
THE MAYFIELD / ACCISS SYSTEM WITH WINDOWS NT FOR CRANIAL SURGERY, THE MAYFIELD / OPTICAL ACCISS SYSTEM WITH WINDOWS NT F
K992843 · Ohio Medical Instrument Co., Inc. · Nov 1999
VIEWPOINT ENT/ORTHOPEDIC OPTION
K991256 · Philips Medical Systems (Cleveland), Inc. · Oct 1999