Cleared Traditional

K843493 - PATIENT GUIDED KNEE EXERCISER

K843493 is an FDA 510(k) clearance for PATIENT GUIDED KNEE EXERCISER, manufactured by Richards Medical Co., Inc.. The device is a Class 1 Physical Medicine device with product code BXB cleared through the Traditional 510(k) pathway after a 6-day FDA review.

K843493 · Richards Medical Co., Inc. · Physical Medicine device
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Sep 1984
Decision
6d
Days
Class 1
Risk

K843493 is an FDA 510(k) clearance for the PATIENT GUIDED KNEE EXERCISER. Classified as Exerciser, Powered (product code BXB), Class I - General Controls.

Submitted by Richards Medical Co., Inc. (Mchenry, US). The FDA issued a Cleared decision on September 12, 1984 after a review of 6 days - a notably fast clearance cycle.

This device falls under the Physical Medicine FDA review panel, regulated under 21 CFR 890.5380 - the FDA physical medicine 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 Richards Medical Co., Inc. devices

FDA 510(k) Submission Details - K843493

510(k) Number K843493 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 06, 1984
Decision Date September 12, 1984
Days to Decision 6 days
Submission Type Traditional
Review Panel Physical Medicine (PM)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
109d faster than avg
Panel avg: 115d · This submission: 6d
Pathway characteristics
Predicate-based equivalence.

BXB Device Classification - Class 1, General Controls

Product Code BXB Exerciser, Powered
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 890.5380
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.

Regulatory Peers - BXB Exerciser, Powered

All 33
Devices cleared under the same product code (BXB) and FDA review panel - the closest regulatory comparables to K843493.
UNIVERSAL POWER FLEX
K851177 · Biodynamic Technologies, Inc. · Jun 1985
KINETIC 8080 HAND & WRIST CONTIN. PASSIVE MACHINE
K850332 · Richards Medical Co., Inc. · May 1985
UNIFLEX DANNINGER
K843309 · Buckman Co., Inc. · Oct 1984
CONTINUOUS PASSIVE MOTION
K841674 · Chattanooga Group, Inc. · May 1984
STRYKER LEG EXERCISER
K831910 · Stryker Corp. · Jul 1983
PATIENT GUIDED ELBOW & SHOULDER EXERC
K830793 · Richard'S Medical Equip., Inc. · Jun 1983