Cleared Traditional

DYNABITE CARDIOVASCULAR BIOPSY FORCEPS (K951447) - FDA 510(k) Clearance

Class II Cardiovascular device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K951447 · Portlyn Corp. · Cardiovascular device
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Jul 1995
Decision
120d
Days
Class 2
Risk

K951447 is an FDA 510(k) clearance for the DYNABITE CARDIOVASCULAR BIOPSY FORCEPS. Classified as Device, Biopsy, Endomyocardial (product code DWZ), Class II - Special Controls.

Submitted by Portlyn Corp. (Moultonboro, US). The FDA issued a Cleared decision on July 27, 1995 after a review of 120 days - within the typical 510(k) review window.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.4075 - 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 Portlyn Corp. devices

Submission Details

510(k) Number K951447 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 29, 1995
Decision Date July 27, 1995
Days to Decision 120 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
5d faster than avg
Panel avg: 125d · This submission: 120d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DWZ Device, Biopsy, Endomyocardial
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.4075
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 - DWZ Device, Biopsy, Endomyocardial

All 22
Devices cleared under the same product code (DWZ) and FDA review panel - the closest regulatory comparables to K951447.
Biopsy Forceps
K252722 · Fehling Instruments GmbH · Sep 2025
MODIFICATION TO T-REX BIOPSY FORCEPS
K000409 · Boston Scientific Corp · Feb 2000
T-REX BIOPSY FORCEPS
K973818 · Boston Scientific Corp · Dec 1997
CORDIS BIPAL 7 /BIOPSY & BIPAL BIOPSY FORCEPS, MODIF
K933235 · Cordis Corp. · Jan 1994
CORDIS BIPAL 7 BIOPSY FORCEPS WITH A INLINE HANDLE
K932788 · Cordis Corp. · Sep 1993
CORDIS BIPAL 7 BIOPSY FORCEPS
K920289 · Cordis Corp. · Mar 1992