Cleared Traditional

K870121 - DIGILAB MICRO ONE APPLANATION TONOMETER

K870121 is the FDA 510(k) clearance for DIGILAB MICRO ONE APPLANATION TONOMETER by Bio-Rad. It is a Class 2 Ophthalmic device (product code HKX) cleared through the Traditional 510(k) pathway after a 39-day FDA review.

K870121 · Bio-Rad · Ophthalmic device
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Feb 1987
Decision
39d
Days
Class 2
Risk

K870121 is an FDA 510(k) clearance for the DIGILAB MICRO ONE APPLANATION TONOMETER. Classified as Tonometer, Ac-powered (product code HKX), Class II - Special Controls.

Submitted by Bio-Rad (Beverly, US). The FDA issued a Cleared decision on February 20, 1987 after a review of 39 days - a notably fast clearance cycle.

This device falls under the Ophthalmic FDA review panel, regulated under 21 CFR 886.1930 - the FDA ophthalmic 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 Bio-Rad devices

Submission Details

510(k) Number K870121 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received January 12, 1987
Decision Date February 20, 1987
Days to Decision 39 days
Submission Type Traditional
Review Panel Ophthalmic (OP)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
71d faster than avg
Panel avg: 110d · This submission: 39d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HKX Tonometer, Ac-powered
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 886.1930
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 Ophthalmic devices follow this clearance model.

Regulatory Peers - HKX Tonometer, Ac-powered

All 22
Devices cleared under the same product code (HKX) and FDA review panel - the closest regulatory comparables to K870121.
KEELER PULSAIR NON CONTACT TONOMETER, MODIFICATION
K911721 · Keeler Instruments, Inc. · Jun 1991
BIO-RAD MODULAR AIR COMPRESSOR
K895575 · Bio-Rad · Oct 1989
KEELER PULSAIR NON CONTACT TONOMETER
K870750 · Keeler Instruments, Inc. · Mar 1987
DIGILAB MODULAR ONE-APPLANATION TONOMETER
K863217 · Bio-Rad · Sep 1986
CAT 100
K840836 · CooperVision, Inc. · Jun 1984
CLERZ LUBRICATING/REWETTING SOLUTION
K833494 · CooperVision, Inc. · Jan 1984