Cleared Traditional

K840055 - DYNASCOPE SERIES

K840055 is an FDA 510(k) clearance for DYNASCOPE SERIES, manufactured by Fukuda Denshi USA, Inc.. The device is a Class 2 Cardiovascular device with product code DRT cleared through the Traditional 510(k) pathway after a 229-day FDA review.

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Aug 1984
Decision
229d
Days
Class 2
Risk

K840055 is an FDA 510(k) clearance for the DYNASCOPE SERIES. Classified as Monitor, Cardiac (incl. Cardiotachometer & Rate Alarm) (product code DRT), Class II - Special Controls.

Submitted by Fukuda Denshi USA, Inc. (Mchenry, US). The FDA issued a Cleared decision on August 22, 1984 after a review of 229 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2300 - the FDA cardiovascular device oversight 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 Cardiovascular review framework, consistent with the majority of Class II 510(k) submissions.

View all Fukuda Denshi USA, Inc. devices

FDA 510(k) Submission Details - K840055

510(k) Number K840055 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received January 06, 1984
Decision Date August 22, 1984
Days to Decision 229 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
104d slower than avg
Panel avg: 125d · This submission: 229d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

DRT Device Classification - Class 2, Special Controls

Product Code DRT Monitor, Cardiac (incl. Cardiotachometer & Rate Alarm)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2300
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 Cardiovascular devices follow this clearance model.

Regulatory Peers - DRT Monitor, Cardiac (incl. Cardiotachometer & Rate Alarm)

All 217
Devices cleared under the same product code (DRT) and FDA review panel - the closest regulatory comparables to K840055.
LIFESCOPE II
K841499 · Nihon Kohden America, Inc. · Aug 1984
LIFESCOPE 6 OEC-6102
K841501 · Nihon Kohden America, Inc. · Aug 1984
LIFESCOPE 6 OEC-6105
K841502 · Nihon Kohden America, Inc. · Aug 1984
AIR SHIELDS AS461 MONITORING SYS
K842321 · Air-Shields, Inc. · Aug 1984
SERVOMED BASIC BEDSIDE UNIT SMA 102-
K832250 · Litton Medical Electronics · Jun 1984
EXTENSION BOX EB200
K834530 · Honeywell, Inc. · Jun 1984