Cleared Traditional

ATRICURE ISOLATOR TRANSPOLAR PEN (K050459) - FDA 510(k) Clearance

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

K050459 · AtriCure, Inc. · Cardiovascular device
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Jun 2005
Decision
110d
Days
Class 2
Risk

K050459 is an FDA 510(k) clearance for the ATRICURE ISOLATOR TRANSPOLAR PEN. Classified as Surgical Device, For Cutting, Coagulation, And/or Ablation Of Tissue, Including Cardiac Tissue (product code OCL), Class II - Special Controls.

Submitted by AtriCure, Inc. (West Chester, US). The FDA issued a Cleared decision on June 13, 2005 after a review of 110 days - within the typical 510(k) review window.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 878.4400 - 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 AtriCure, Inc. devices

Submission Details

510(k) Number K050459 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 23, 2005
Decision Date June 13, 2005
Days to Decision 110 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review Yes - reviewed by an FDA-accredited third party
Regulatory Context
Review time vs. panel average
15d faster than avg
Panel avg: 125d · This submission: 110d
Pathway characteristics
Predicate-based equivalence. No clinical trials required. Third-party reviewed.

Device Classification

Product Code OCL Surgical Device, For Cutting, Coagulation, And/or Ablation Of Tissue, Including Cardiac Tissue
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.4400
Definition Surgical Device For Cutting, Coagulation, And/or Ablation Of Tissue, Including Cardiac Tissue
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 - OCL Surgical Device, For Cutting, Coagulation, And/or Ablation Of Tissue, Including Cardiac Tissue

All 53
Devices cleared under the same product code (OCL) and FDA review panel - the closest regulatory comparables to K050459.
Isolator® Synergy™ EnCompass Clamp and Guide system (OLH, OSH, GPM100)
K252056 · AtriCure, Inc. · Jul 2025
Isolator Synergy EnCapture Ablation System (EMH)
K234151 · AtriCure, Inc. · Aug 2024
Isolator® Linear Pen (MLP1)
K221358 · AtriCure, Inc. · Dec 2022
Cardioblate Gemini-s 49260 Surgical Ablation Device
K223508 · Medtronic, Inc. · Dec 2022
AtriCure Isolator Encompass Ablation System, GLIDEPATH Magnetic GUIDE
K210477 · AtriCure, Inc. · Jul 2021
AtriCure Isolator® Synergy™ Surgical Ablation System
K211311 · AtriCure, Inc. · May 2021