intravascular stent

  • Intravascular stent and endovascular coil placement for a

    The authors demonstrate the technical feasibility of using intravascular stents in conjunction with electrolytically detachable coils (Guglielmi detachable coils [GDCs]) for treatment of fusiform, broad-based, acutely ruptured intracranial aneurysms and review the literature on endovascular approaches to ruptured aneurysms and cerebral stent placement.

  • IVUS- Versus OCT-Guided Coronary Stent Implantation a

     · Intravascular imaging (IVI) not only overcomes these limitations by providing precise measurements facilitating accurate stent sizing but also guides the need for lesion preparation by visualizing plaque morphology, while also decreasing the likelihood of geographic miss, and detecting procedural issues including malapposition, underexpansion

  • Modeling and Analysis of Drug-Eluting Stents With

     · coated drug-eluting stents for intravascular drug delivery. 2 Theory and Methods 2.1 Model Development. In the model scheme, an implanted stent is studied in the artery where the stent struts are evenly placed in the cross section of the lumen (Fig. 1(a)). The strut-arterial wall configuration is based on a previous study of a bio-

  • Coronary Intravascular Stent Placement (Ambulatory Care

     · Coronary intravascular stent placement is a procedure to place a stent in an artery of your heart that has plaque buildup. Plaque is a mixture of fat and cholesterol. A stent is a small mesh tube made of metal that helps keep your artery open. The stent remains in your artery for life. You may need more than one stent.

  • Coronary Intravascular Stent PlacementWhat You Need to

    What Do I Need to Know About Coronary Intravascular Stent Placement?

  • A Single-Connector Stent Antenna for Intravascular

    In this paper, we present a stent antenna for intravascular monitoring and implantable wireless applications that employ the entire stent as an antenna. The main contribution of this work was the manipulation of the current distributions of the stent for good radiation performance with a short stent length by exploiting a single connector

  • Intravascular Ultrasound–Guided Drug-Eluting Stent

    Importance Use of intravascular ultrasound (IVUS) promotes better clinical outcomes for coronary intervention in complex coronary lesions. However, randomized data demonstrating the clinical usefulness of IVUS are limited for lesions treated with drug-eluting stents. Objective To determine whether the long-term clinical outcomes with IVUS-guided drug-eluting stent implantation are superior

  • Chiral constrained stent Effect of structural design on

     · A relative complete framework of intravascular stent design is concluded, which may guide proper stent pre-clinical investigation. Through the application of Castigliano's theorem and the equivalent spring model, the strong orthotropic of the chiral constrained structure is demonstrated. The near-zero Poisson’ ratio (ZPR) and the advantage of

  • Intravascular stentBoston Scientific Scimed, Inc.

    The procedure for intravascular stent placement typically involves pre-dilation of the target vessel using balloon angioplasty, followed by deployment of the stent, and expansion of the stent such that the dilated vessel walls are supported from the inside. The intravascular stent

  • Global Intravascular Stent Market 2021 to 2026 Worldwide

     · MarketsandResearch.biz recently published a new informative report entitled Global Intravascular Stent Market 2021 by Manufacturers, Regions, Type and Application, Forecast to 2026 that helps shape business futures by making informed business decisions. The report includes an overview and deep study of factors that are considered to have greater influence over the future course of the

  • Intravascular Brachytherapy for the Management of

     · Such multilayer in-stent restenosis is a challenging clinical problem with no clear evidence-based therapy available. Retrospective studies have shown the feasibility of intravascular brachytherapy in treating recurrent drug-eluting stent restenosis.

  • Effects of different positions of intravascular stent

     · Intravascular stents were implanted into different longitudinal positions (proximal, middle and distal relative to the stenotic area) of the stenotic vessels for numerical simulations.

  • Intravascular ultrasound findings and stent implantation

     · Most coronary spastic angina patients are responsive to coronary vasodilators therapy, and stent implantation is not recommended for regular use. We reported the angiographic and intravascular ultrasound (IVUS) images of a rare case who responded poorly to medical treatment due to progressive atherosclerotic plaque at the spastic site. A 60-year-old man complaining of 1-month history of

  • Before Coronary Angioplasty and Intravascular Stent

     · Intravascular stent placement is a procedure to place a stent in an artery of your heart that has plaque buildup. A stent is a small mesh tube made of metal that helps keep your artery open. A stent may be placed during a coronary angioplasty.

  • Predictive Factors for Restenosis Following Stent

     · This practice, however, is often complicated by in-stent restenosis (ISR). Intravascular Ultrasound (IVUS) has been demonstrated in recent years to be a useful imaging modality in evaluating certain characteristics of vascular lesions, particularly during FP-EVT.

  • Intravascular stent prosthesis for right ventricular

    Intravascular stent prosthesis for right ventricular outflow obstruction. Hosking MC(1), Benson LN, Nakanishi T, Burrows PE, Williams WG, Freedom RM. Author information (1)Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada.

  • Intravascular Ultrasound-Derived Stent Dimensions as

    1. J Endovasc Ther. 2016 Jun23(3) 424-32. doi 10.1177/. Epub 2016 Apr 4. Intravascular Ultrasound-Derived Stent Dimensions as Predictors of Angiographic Restenosis Following Nitinol Stent Implantation in the Superficial Femoral Artery.

  • Intravascular OCT in PCIAmerican College of Cardiology

     · Intravascular OCT has the advantage of automatically segmenting all frames and identifying automatically minimal stent area. IVUS Versus Intravascular OCT. IVUS was originally introduced in late 1980s and intravascular OCT in the early 2000s. The more than two decades between these two technologies makes comparison difficult.

  • Intravascular Gamma Radiation for In-Stent Restenosis in

     · Our findings support the use of intravascular gamma radiation in patients with in-stent restenosis of saphenous-vein grafts. Funded by Medlantic

  • Intravascular Ultrasound Guided Drug Eluting Stents

     · Intravascular Ultrasound Guided Drug Eluting Stents Implantation in "All-comers" Coronary Lesions (ULTIMATE Trial) (ULTIMATE) The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Stent size and

  • Intravascular Imaging-Guided Percutaneous Coronary

     · A practical and standardized approach to incorporating intravascular imaging with percutaneous coronary intervention may overcome the barriers to utilization. This review focuses on basic image interpretation with intravascular ultrasound and optical coherence tomography and proposes an algorithmic approach to stent sizing and optimization.

  • Predictive Factors for Restenosis Following Stent

     · This practice, however, is often complicated by in-stent restenosis (ISR). Intravascular Ultrasound (IVUS) has been demonstrated in recent years to be a useful imaging modality in evaluating certain characteristics of vascular lesions, particularly during FP-EVT.

  • Intravascular stentMedtronic, Inc.

    An intravascular stent, comprising a generally cylindrical body including a helically coiled wire, wherein said helically coiled wire has generally sinusoidally-shaped waves wherein said generally cylindrical body is capable of radially expanding. 2. The intravascular stent of claim 1, wherein said helically coiled wire is a low memory metal.

  • In vivo measurement of stent length by using intravascular

     · What happens to stent length when deployed in a coronary artery? It is the aim of this study. Consecutive 95 balloon-expandable stents (BES) were studied by intravascular ultrasound (IVUS) imaging. The stent length was measured from the longitudinal view in two ways (1) edge-to-edge length (E-E) measured between distal and proximal stent frames located at one IVUS quadrant and (2) area

  • NIHF Inductee Julio Palmaz Invented the Intravascular Stent

    Born December 13, 1945. Starting with a discarded piece of metal from the floor of his garage, Julio Palmaz invented the first commercially-successful intravascular stent, the Palmaz Stent®. His stent revolutionized cardiac care, with more than a million people undergoing coronary artery stenting annually to repair clogged arteries.

  • A Single-Connector Stent Antenna for Intravascular

    Recently, smart stents have been developed by integrating various sensors with intravascular stents for detecting vascular restenosis or monitoring intravascular biomedical conditions such as blood pressure or blood flow velocity. The information on biomedical signals is then transmitted to external monitoring systems via wireless communications.

  • A Single-Connector Stent Antenna for Intravascular

    Recently, smart stents have been developed by integrating various sensors with intravascular stents for detecting vascular restenosis or monitoring intravascular biomedical conditions such as blood pressure or blood flow velocity. The information on biomedical signals is then transmitted to external monitoring systems via wireless communications. Due to the limited volumes of blood vessels and

  • Select Updates for Non-Clinical Engineering Tests and

     · Intravascular Stents and Associated Delivery Systems the stent may be subjected to strains expected during simulated use (e.g. bending) without passing through a tracking fixture, with

  • Intravascular stentMedtronic, Inc.

    The wire formed device is intended to act as a permanent prosthesis stent and is implanted transluminarely. Specifically, this invention is characterized by the ability of said intravascular stent to be enlarged radially after having been introduced percutaneously, transported transluminarely and positioned at desired location.

  • Nitinol intravascular stent results of preclinical

     · Determination of stent stenosis An in vivo experimental comparison of intravascular ultrasound and angiography with histology CardioVascular and Interventional Radiology, Vol. 21, No. 3 Abdominal aortic aneurysm repair using the meadox/vanguard prosthesis Indications, implantation technique, and results

  • Intravascular ultrasound-guided drug-eluting stent

    Objective Intravascular ultrasound (IVUS) has developed as a preferable choice for optimizing the stenting procedures mainly because it will have good access

  • Intravascular lithotripsy to treat a severely

    A) Angiography showing an underexpanded stent in the proximal right coronary artery. B) “Dog-boning” of a 3.5 mm balloon within the stent. C) Complete stent expansion after intravascular lithotripsy and further stenting. D) StentViz image of the underexpanded stent before intravascular lithotripsy.