Cleared Traditional

XO Score Percutaneous Transluminal Angioplasty Scoring Catheter (K193495) - FDA 510(k) Clearance

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

K193495 · Transit Scientific · Cardiovascular device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 2020
Decision
164d
Days
Class 2
Risk

K193495 is an FDA 510(k) clearance for the XO Score Percutaneous Transluminal Angioplasty Scoring Catheter. Classified as Catheter, Percutaneous, Cutting/scoring (product code PNO), Class II - Special Controls.

Submitted by Transit Scientific (Salt Lake City, US). The FDA issued a Cleared decision on May 29, 2020 after a review of 164 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.1250 - 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 Transit Scientific devices

Submission Details

510(k) Number K193495 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 17, 2019
Decision Date May 29, 2020
Days to Decision 164 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
39d slower than avg
Panel avg: 125d · This submission: 164d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code PNO Catheter, Percutaneous, Cutting/scoring
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.1250
Definition To Reduce Vascular Stenosis By Dilatation And Apposition Of The Cutting/scoring Surfaces To The Stenotic Material
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 Consultant

University of Utah
Srividya Pothana

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - PNO Catheter, Percutaneous, Cutting/scoring

All 44
Devices cleared under the same product code (PNO) and FDA review panel - the closest regulatory comparables to K193495.
UltraScore™ Focused Force PTA Balloon
K260012 · Bard Peripheral Vascular, Inc. · Feb 2026
Aperta NSE PTA Balloon Dilatation Catheter
K243944 · Goodman Co., Ltd. · Apr 2025
D·Kutting™ LL Peripheral Scoring Balloon Dilatation Catheter
K242254 · Dk Medical Technology Co., Ltd. · Apr 2025
Tri-Wedge PTA Scoring Balloon Dilatation Catheter
K241478 · Brosmed Medical Co., Ltd. · Oct 2024
XO Constrain™ Percutaneous Transluminal Angioplasty Constraining Catheter
K232258 · Transit Scientific, LLC · Jun 2024
Aperta NSE PTA Balloon Dilatation Catheter (AW18-05040040/AA18-05040040, AW18-09040040/AA18-09040040, AW18-14540040, AW18-05050040/AA18-05050040, AW18-09050040/AA18-09050040, AW18-14550040, AW18-05060040/AA18-05060040, AW18-09060040/AA18-09060040, AW18-14560040 AW18-05070040/AA18-05070040, AW18-09070040/AA18-09070040, AW18-14570040, AW18-05080040/AA18-05080040, AW18-09080040/AA18-09080040, AW18-14580040)
K232013 · Goodman Co., Ltd. · Mar 2024