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New stent delivery balloon: a technical note

C di Mario1, B Reimers, R Reinhardt

  • 1Columbus Clinic, Milan, Italy.

Catheterization and Cardiovascular Diagnosis
|December 31, 1997
PubMed
Summary
This summary is machine-generated.

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A novel noncompliant balloon catheter improved Palmaz-Schatz stent delivery success to 94%. This innovative design ensures firm stent embedding and reduces the risk of stent loss during procedures.

Area of Science:

  • Cardiovascular Interventions
  • Medical Device Technology
  • Interventional Cardiology

Background:

  • Traditional balloon catheters can face challenges with stent crimping and expansion.
  • Ensuring accurate stent placement and firm embedding is crucial for procedural success.

Purpose of the Study:

  • To evaluate the clinical application and performance of a new noncompliant balloon catheter for stent delivery.
  • To assess the safety and efficacy of the novel balloon design in Palmaz-Schatz stent implantation.

Main Methods:

  • Clinical application of a new noncompliant balloon catheter with a multi-layered design (polyethylene terephthalate, polyurethane, outer membrane).
  • Palmaz-Schatz stent implantation in 35 patients.
  • Assessment of balloon performance, stent deployment, and procedural success rates.

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Main Results:

  • Successful Palmaz-Schatz stent implantation in 33 out of 35 cases (94%).
  • No balloon ruptures observed at inflation pressures up to 16 atmospheres (atm).
  • Accurate stent positioning facilitated by integrated markers and enhanced visualization.

Conclusions:

  • The new noncompliant balloon catheter demonstrates high efficacy and safety for Palmaz-Schatz stent delivery.
  • The balloon's design prevents damage during stent crimping and expansion, ensuring firm stent embedding.
  • This delivery system reduces the risk of stent loss and maintains the advantages of hand-crimped stents.