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Title: Endoluminal occlusion devices: technology update
Authors: Zander, Tobias
Medina, Samantha
Montes, Guillermo
Nuñez-Atahualpa, Lourdes
Valdes, Michel
Maynar Moliner, Manuel 
UNESCO Clasification: 3213 Cirugía
3314 Tecnología médica
Keywords: Embolization
Endovascular Treatment
Occlusion Devices
Aneurysm, et al
Issue Date: 2014
Journal: Medical Devices: Evidence and Research 
Abstract: Endoluminal occlusion has been performed since the early beginning of interventional radiology. Over recent decades, major technological advances have improved the techniques used and different devices have been developed for changing conditions. Most of these occlusion devices have been implemented in the vascular territory. Early embolization materials included glass particles, hot contrast, paraffin, fibrin, and tissue fragments such as muscle fibers and blood clots; today, occlusion materials include metallic devices, particles, and liquid materials, which can be indicated for proximal or distal occlusion, high-flow and low-flow situations, and in large-caliber and small-caliber vessels, based on need. Technological progress has led to a decreased size of delivery catheters, and an increase in safety due to release systems that permit the withdrawing and replacement of embolization material. Furthermore, bioactive embolization materials have been developed to increase the efficacy of embolization or the biological effect of medication. Finally, materials have been modified for changing indications. Intravascular stents were initially developed to keep an artery open; however, by adding a covering membrane, these stents can be used to occlude the wall of a vessel or other endoluminal structures. This article gives an overview of the devices most utilized for occlusion of endoluminal structures, as well as their major purpose in the endovascular territory.
ISSN: 1179-1470
DOI: 10.2147/MDER.S49540
Source: Medical Devices-Evidence And Research [ISSN 1179-1470], v. 7, p. 425-436, (2014)
Appears in Collections:Artículos
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