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Related Experiment Videos

Experience with a lead fixation/suture sleeve

M D Gammage1, H J Krabb, B Moquet

  • 1University of Birmingham, United Kingdom. m.d.gammage@bham.ac.uk

Pacing and Clinical Electrophysiology : PACE
|April 29, 1998
PubMed
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A novel locking anchoring sleeve improves pacemaker lead fixation, enhancing safety and effectiveness. This device offers better handling and long-term stability compared to traditional methods.

Area of Science:

  • Cardiovascular Medicine
  • Biomedical Engineering
  • Medical Devices

Background:

  • Current pacemaker lead anchoring systems are suboptimal, potentially causing lead damage or displacement.
  • Improper suture tension can compromise lead integrity and positioning.

Purpose of the Study:

  • To evaluate the safety and efficacy of a new locking anchoring sleeve for pacemaker leads.
  • To assess the handling, ease of use, and long-term performance of the novel anchoring device.

Main Methods:

  • A locking anchoring sleeve was used with 55D polyurethane leads in 22 patients across four European centers.
  • Data on handling, ease of use, and lead positioning were collected using a 1-10 rating scale.
  • Post-implant assessments included chest X-rays at 6 weeks and clinical follow-up up to 3 years.

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Main Results:

  • The novel sleeve demonstrated high ease of use (7.79/10) and flexibility (7.92/10).
  • No lead displacement or conductor distortion was observed on X-rays; leads remained stable up to 3 years.
  • The device showed no evidence of erosion or patient discomfort, with stable electrical thresholds.

Conclusions:

  • The locking anchoring sleeve is a safe and effective advancement in pacemaker lead fixation.
  • It provides constant gripping force, allows optimal positioning, and ensures long-term lead stability.
  • This device represents a significant improvement over conventional anchoring techniques.