Cleared Traditional

K851185 - ELECTRO-NERVE STIMULATOR B4/B400

K851185 is an FDA 510(k) clearance for ELECTRO-NERVE STIMULATOR B4/B400, manufactured by Biomedical Life Systems, Inc.. The device is a Class 2 Neurology device with product code GZJ cleared through the Traditional 510(k) pathway after a 83-day FDA review.

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May 1985
Decision
83d
Days
Class 2
Risk

K851185 is an FDA 510(k) clearance for the ELECTRO-NERVE STIMULATOR B4/B400. Classified as Stimulator, Nerve, Transcutaneous, For Pain Relief (product code GZJ), Class II - Special Controls.

Submitted by Biomedical Life Systems, Inc. (Los Angeles, US). The FDA issued a Cleared decision on May 23, 1985 after a review of 83 days - a notably fast clearance cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.5890 - 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 Biomedical Life Systems, Inc. devices

FDA 510(k) Submission Details - K851185

510(k) Number K851185 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 01, 1985
Decision Date May 23, 1985
Days to Decision 83 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
65d faster than avg
Panel avg: 148d · This submission: 83d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

GZJ Device Classification - Class 2, Special Controls

Product Code GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.5890
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 - GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief

All 162
Devices cleared under the same product code (GZJ) and FDA review panel - the closest regulatory comparables to K851185.
SYS STIM 206 MODEL ME206
K851735 · Mettler Electronics Corp. · Nov 1985
TENSMED II
K851063 · Intermedics, Inc. · Jun 1985
ELECTRO-NERVE STIMULATOR DISCO B9 TENS
K851191 · Biomedical Life Systems, Inc. · May 1985
INTERCEPTOR, 662-01
K844279 · Intermedics, Inc. · Jan 1985
ELECTRO-NERVE STIMULATOR B5/SK700B
K844076 · Biomedical Life Systems, Inc. · Jan 1985
STIMTECH SD CLINICIAN 6090 #78-8055
K844212 · Codman & Shurtleff, Inc. · Jan 1985