Attain Stability Quad MRI SureScan™ Active Fixation LV Lead 

Attain Stability™ Quad is designed with active fixation and quadripolar lead technology to allow for precise placement and secure fixation during implant. This design provides more flexibility in pacing location and reduces the risk of lead dislodgement.

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Precise Placement. Secure Fixation.

Watch how Attain Stability Quad gives you more options for precise and secure lead placement in
non-apical pacing locations.



  • Reduces phrenic nerve stimulation with short bipolar spacing.2-4
  • Improves thresholds and longevity with steroid on all electrodes.5
  • Enables multiple point pacing (MPP).
  • Approved for 1.5T and 3T full body MRI scanning.

2. Unique Side Helix Mechanism for Active Fixation

  • Enables precise and secure lead placement.
  • Eliminates the need to wedge and promotes non-apical pacing.
  • Integrates a mechanical stop and adhesive backfill for prevention of over-rotation and vein tissue pinching.
Attain Stability Quad's side helix and electrodes.

Reduced Risk for Lead Dislodgement

  • 81% reduction in LV lead dislodgement during catheter slitting1,6
  • 65% reduction in LV lead dislodgement at 6 months post-implant1,6
  • May reduce the need for repeat procedures due to LV lead dislodgements1
  • May enable earlier patient discharge due to a reduced risk for lead dislodgement7

DISLODGEMENT During Slitting1,6

P = 0.0147

Graph depicting dislodgement rate of 0.45% for Attain Stability Quad versus 2.4% for Attain Performa


P = ns

Graph depicting dislodgement rate of 0.7% for Attain Stability Quad versus 2.0% for Attain Performa

Designed with extraction in mind

Helix straightens and elongates below expected extraction forces, enabling removal from the vein — similar to passive fixation leads.8

close up of the Attain Stability Quad side helix pre-extraction position

Attain Stability™ Quad side helix pre-extraction

close up of the Attain Stability Quad side helix post-extraction position

Attain Stability™ Quad side helix post-extraction

Reported Extractions as of December 20197

Attain Stability Quad
52 reported extractions, longest 14–15 months

Graph showing Attain Stability Quad reported extractions as of December 2019

Implant Duration Prior to Explants

Bipolar LV Lead with Side Helix (OUS)*
30 reported extractions, longest 46–47 months

Graph showing bipolar LV lead with side helix reported extractions as of December 2019

Implant Duration Prior to Explants


This lead is not and will never be FDA approved or available for use in the United States. This lead is no longer manufactured. The data included here is in regards to the lead's side helix mechanism, which is identical in design and function to the side helix on the Attain Stability Quad lead.


  • Vessel cross-sectional analysis indicates a 1 mm average distance between a vein and the nearest artery.9 This distance was taken into account when designing the side helix.
  • The helix is positioned 0.25 mm away from the lead body — creating a 4x safety margin between the vein and artery.
  • No LV lead perforations reported within 6 months of follow-up.1
Close up of Attain Stability Quad side helix demonstrating it is .25 mm away from the lead body

Attain Stability™ Quad distance from helix to lead body


PRODUCT specifications

View Attain Stability Quad model specifications.


Attain Stability Quad is compatible with all Medtronic CRT delivery tools.

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Additional resources 

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 Jackson KP, Faerestrand S2, Philippon F3, et al. Performance of a novel active fixation quadripolar left ventricular lead for cardiac resynchronization therapy: Attain Stability Quad Clinical Study results. J Cardiovasc Electrophysiol. May 2020;31(5):1147-1154.


Biffi M, et al. Utilizing Short Spacing between Quadripolar LV Lead Electrodes to Avoid PNS. Presented at Cardiostim 2014 (Poster Presentation Session 56P); Nice, France.


Biffi M, Foerster L, Eastman W, et al. Effect of bipolar electrode spacing on phrenic nerve stimulation and left ventricular pacing thresholds: an acute canine study. Circ Arrhythm Electrophysiol. August 1, 2012;5(4):815-820.


Biffi M, Zanon F, Bertaglia E, et al. Short-spaced dipole for managing phrenic nerve stimulation in patients with CRT: the "phrenic nerve mapping and stimulation EP" catheter study. Heart Rhythm. January 2013;10(1):39-45.


Lunati MG, et al. Long-Term Effect of Steroid Elution on the Electrical Performance of Coronary Sinus Leads for Cardiac Resynchronization Therapy. Presented at HRS 2012 (AB10-05).


Crossley GH, Biffi M, Johnson B, et al. Performance of a novel left ventricular lead with short bipolar spacing for cardiac resynchronization therapy: primary results of the Attain Performa quadripolar left ventricular lead study. Heart Rhythm. April 2015;12(4):751-758.


Benjamin, L. Attain Stability Quad Post-market Product Performance Data —AdHoc Analysis for Marketing Materials. Medtronic data on file. January 2020.


Adler S, Kirchhof N, Thompson AE, Foerster L, Marquard KR, Hine DS. Two-year extractability of novel left ventricular, active fixation leads in the sheep model. Pacing Clin Electrophysiol. November 2017;40(11):1291-1297.


Anderson SE, Hill AJ, Iaizzo PA. Microanatomy of human left ventricular coronary veins. Anat Rec (Hoboken). January 2009;292(1):23-28.