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varipulse catheter  (Biosense Webster)

 
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    Structured Review

    Biosense Webster varipulse catheter
    Local activation time map (on the left) and voltage map (on the right) of the RA with shadowing of the <t>VARIPULSE</t> catheter location during PFA application with the electrodes in contact with RA wall highlighted and from which PFA was delivered with termination of AT. Phrenic nerve capture sites are indicated by yellow dots . Sites of earliest activation and signals of interest are indicated by black and magenta tags . RF ablation lesions are indicated in red dots . PFA ablation sites are indicated in purple dots . AT = atrial tachycardia; PA = pulse field; PFA = pulse field ablation; RA = right atrium; vRF = radiofrequency.
    Varipulse Catheter, supplied by Biosense Webster, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/varipulse+catheter/pmc13270942-4-1-3?v=Biosense+Webster
    Average 86 stars, based on 1 article reviews
    varipulse catheter - by Bioz Stars, 2026-08
    86/100 stars

    Images

    1) Product Images from "Use of a multi-electrode circular pulse field ablation catheter for selective lesion delivery and ablation of focal atrial tachycardia"

    Article Title: Use of a multi-electrode circular pulse field ablation catheter for selective lesion delivery and ablation of focal atrial tachycardia

    Journal: HeartRhythm Case Reports

    doi: 10.1016/j.hrcr.2026.02.016

    Local activation time map (on the left) and voltage map (on the right) of the RA with shadowing of the VARIPULSE catheter location during PFA application with the electrodes in contact with RA wall highlighted and from which PFA was delivered with termination of AT. Phrenic nerve capture sites are indicated by yellow dots . Sites of earliest activation and signals of interest are indicated by black and magenta tags . RF ablation lesions are indicated in red dots . PFA ablation sites are indicated in purple dots . AT = atrial tachycardia; PA = pulse field; PFA = pulse field ablation; RA = right atrium; vRF = radiofrequency.
    Figure Legend Snippet: Local activation time map (on the left) and voltage map (on the right) of the RA with shadowing of the VARIPULSE catheter location during PFA application with the electrodes in contact with RA wall highlighted and from which PFA was delivered with termination of AT. Phrenic nerve capture sites are indicated by yellow dots . Sites of earliest activation and signals of interest are indicated by black and magenta tags . RF ablation lesions are indicated in red dots . PFA ablation sites are indicated in purple dots . AT = atrial tachycardia; PA = pulse field; PFA = pulse field ablation; RA = right atrium; vRF = radiofrequency.

    Techniques Used: Activation Assay



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    Image Search Results


    Thermal surface footprints per electrode with changes in irrigation rates and force with the Varipulse catheter.

    Journal: medRxiv

    Article Title: Comparative Thermal Effects of Single Shot Pulsed Field Ablation Systems using a Thermochromic Hydrogel

    doi: 10.64898/2026.06.02.26354772

    Figure Lengend Snippet: Thermal surface footprints per electrode with changes in irrigation rates and force with the Varipulse catheter.

    Article Snippet: Darkened areas indicative of high temperatures and accompanying dehydration and degradation of the hydrogel and pigment were observed in the Farapulse and Varipulse catheters.

    Techniques:

    Almost-circumferential thermal footprint when a clinical workflow set of applications is delivered using the Varipulse catheter (left panel). Areas of darkening and scorch in stacked applications with the Varipulse catheter (middle panel). Section through the darkened lesions demonstrating that these changes are observed not only on the surface but also deeper in the hydrogel (right panel). The darkened areas are highlighted with blue arrows.

    Journal: medRxiv

    Article Title: Comparative Thermal Effects of Single Shot Pulsed Field Ablation Systems using a Thermochromic Hydrogel

    doi: 10.64898/2026.06.02.26354772

    Figure Lengend Snippet: Almost-circumferential thermal footprint when a clinical workflow set of applications is delivered using the Varipulse catheter (left panel). Areas of darkening and scorch in stacked applications with the Varipulse catheter (middle panel). Section through the darkened lesions demonstrating that these changes are observed not only on the surface but also deeper in the hydrogel (right panel). The darkened areas are highlighted with blue arrows.

    Article Snippet: Darkened areas indicative of high temperatures and accompanying dehydration and degradation of the hydrogel and pigment were observed in the Farapulse and Varipulse catheters.

    Techniques:

    Local activation time map (on the left) and voltage map (on the right) of the RA with shadowing of the VARIPULSE catheter location during PFA application with the electrodes in contact with RA wall highlighted and from which PFA was delivered with termination of AT. Phrenic nerve capture sites are indicated by yellow dots . Sites of earliest activation and signals of interest are indicated by black and magenta tags . RF ablation lesions are indicated in red dots . PFA ablation sites are indicated in purple dots . AT = atrial tachycardia; PA = pulse field; PFA = pulse field ablation; RA = right atrium; vRF = radiofrequency.

    Journal: HeartRhythm Case Reports

    Article Title: Use of a multi-electrode circular pulse field ablation catheter for selective lesion delivery and ablation of focal atrial tachycardia

    doi: 10.1016/j.hrcr.2026.02.016

    Figure Lengend Snippet: Local activation time map (on the left) and voltage map (on the right) of the RA with shadowing of the VARIPULSE catheter location during PFA application with the electrodes in contact with RA wall highlighted and from which PFA was delivered with termination of AT. Phrenic nerve capture sites are indicated by yellow dots . Sites of earliest activation and signals of interest are indicated by black and magenta tags . RF ablation lesions are indicated in red dots . PFA ablation sites are indicated in purple dots . AT = atrial tachycardia; PA = pulse field; PFA = pulse field ablation; RA = right atrium; vRF = radiofrequency.

    Article Snippet: The VARIPULSE catheter (Biosense Webster, Irvine, CA), considered a single-shot device, differs from other systems due to its ability to deliver PFA through select electrodes and target focal AT.

    Techniques: Activation Assay