Cleared Traditional

K990504 - MEMOTHERM COLORECTAL STENT

K990504 is the FDA 510(k) clearance for MEMOTHERM COLORECTAL STENT by C.R. Bard, Inc.. It is a Class 2 Gastroenterology & Urology device (product code MQR) cleared through the Traditional 510(k) pathway after a 393-day FDA review.

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Mar 2000
Decision
393d
Days
Class 2
Risk

K990504 is an FDA 510(k) clearance for the MEMOTHERM COLORECTAL STENT. Classified as Stent, Colonic, Metallic, Expandable (product code MQR), Class II - Special Controls.

Submitted by C.R. Bard, Inc. (Billerica, US). The FDA issued a Cleared decision on March 16, 2000 after a review of 393 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 878.3610 - the FDA gastroenterology and urology 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: Standard predicate-based submission. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Gastroenterology & Urology review framework, consistent with the majority of Class II 510(k) submissions.

View all C.R. Bard, Inc. devices

Submission Details

510(k) Number K990504 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 17, 1999
Decision Date March 16, 2000
Days to Decision 393 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
263d slower than avg
Panel avg: 130d · This submission: 393d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MQR Stent, Colonic, Metallic, Expandable
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.3610
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 Gastroenterology & Urology devices follow this clearance model.

Regulatory Peers - MQR Stent, Colonic, Metallic, Expandable

All 13
Devices cleared under the same product code (MQR) and FDA review panel - the closest regulatory comparables to K990504.
WALLFLEX ENTERNAL COLONIC STENT AND ANCHOR LOCK DELIVERY SYSTEM
K042065 · Boston Scientific Corp · Sep 2004
ULTRAFLEX PRECISION COLONIC STENT
K030769 · Boston Scientific Corp · Jul 2003
WALLSTENT ENTERNAL PROSTHESIS
K000281 · Boston Scientific Corp · May 2000
WALLSTENT ENTERAL ENDOPROSTHESIS WITH UNISTEP DELIVERY SYSTEM
K991056 · Boston Scientific Corp · Jun 1999
WALLSTENT ENTERAL ENDOPROTHESIS
K954290 · Boston Scientific Scimed, Inc. · Jul 1996