Cleared Traditional

K955533 - DIASTAT VASCULAR ACCESS GRAFT (FDA 510(k) Clearance)

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

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May 1996
Decision
162d
Days
Class 2
Risk

K955533 is an FDA 510(k) clearance for the DIASTAT VASCULAR ACCESS GRAFT. Classified as Prosthesis, Vascular Graft, Of Less Then 6mm Diameter (product code DYF), Class II - Special Controls.

Submitted by W.L. Gore & Associates, Inc. (Flagstaff, US). The FDA issued a Cleared decision on May 15, 1996 after a review of 162 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.3450 - 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 W.L. Gore & Associates, Inc. devices

Submission Details

510(k) Number K955533 FDA.gov
FDA Decision Cleared Substantially Equivalent - Third Party Review (ST)
Date Received December 05, 1995
Decision Date May 15, 1996
Days to Decision 162 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
37d slower than avg
Panel avg: 125d · This submission: 162d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DYF Prosthesis, Vascular Graft, Of Less Then 6mm Diameter
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.3450
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.