Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Relocatable Gianturco expandable metallic stents.

T Irie1, S Furui, T Yamauchi

  • 1Department of Radiology, National Defense Medical College, Saitama, Japan.

Radiology
|February 1, 1991
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Influence of pituitary pars intermedia dysfunction on reproductive performance in Thoroughbred mares.

Journal of equine veterinary science·2025
Same author

Economic losses associated with mastitis due to bovine leukemia virus infection.

Journal of dairy science·2022
Same author

Rabies outbreak in black-backed jackals (<i>Canis mesomelas</i>), South Africa, 2016.

Epidemiology and infection·2022
Same author

Healthy Aging: Comparative Analysis of Local Perception and Diet in Two Health Districts of Côte d'Ivoire and Japan.

Frontiers in aging·2022
Same author

Usefulness and accuracy of segmental adrenal venous sampling on localisation and functional diagnosis of various adrenal lesions in primary aldosteronism.

Clinical radiology·2022
Same author

Animal health and food safety risk assessments.

Revue scientifique et technique (International Office of Epizootics)·2021

Researchers modified Gianturco expandable metallic stents for repositioning. Modified stents were successfully tested in vitro and in vivo, demonstrating feasibility for clinical applications in vascular interventions.

Area of Science:

  • Biomedical Engineering
  • Interventional Radiology
  • Medical Device Design

Background:

  • Gianturco expandable metallic stents are widely used for treating strictures.
  • Current stent designs lack repositioning capabilities, limiting procedural flexibility.
  • Modification of existing stent designs is crucial for improving interventional outcomes.

Purpose of the Study:

  • To modify Gianturco expandable metallic stents to achieve relocatability.
  • To evaluate the performance of novel tandem stent designs in vitro and in vivo.

Main Methods:

  • Two tandem Gianturco stent designs with varying strut lengths were engineered.
  • In vitro testing assessed expansive force distribution and flexibility.
  • In vivo studies involved stent placement, retrieval, and relocation in canine inferior vena cava models.

Related Experiment Videos

Main Results:

  • Both modified stent designs exhibited successful in vitro performance.
  • The tandem stent configurations (two to four stents) were successfully placed, retrieved, and relocated in vivo.
  • The design with short struts demonstrated enhanced flexibility suitable for curved anatomies.

Conclusions:

  • Modified Gianturco expandable metallic stents can be successfully relocated.
  • These novel designs offer improved procedural options for vascular interventions.
  • Further research may lead to enhanced stent-based treatments for various strictures.