Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Node Analysis for AC Circuits

Node Analysis for AC Circuits

Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...

Mesh Analysis

Mesh Analysis

Mesh analysis is a valuable method for simplifying circuit analysis using mesh currents as key circuit variables. Unlike nodal analysis, which focuses on determining unknown voltages, mesh analysis applies Kirchhoff's voltage law (KVL) to find unknown currents within a circuit. This method is particularly convenient in reducing the number of simultaneous equations that need to be solved.
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...

Block Diagram Reduction

Block Diagram Reduction

The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...

Non-ohmic Devices

Non-ohmic Devices

In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A diode...

Deflection of a Beam

Deflection of a Beam

Accurately determining beam deflection and slope under various loading conditions in structural engineering is crucial for ensuring safety and structural integrity. Singularity functions offer a streamlined approach to analyzing beams, especially when multiple loading functions complicate the bending moment equation.
Singularity functions, described in an earlier lesson, are powerful mathematical tools that represent discontinuities within a function commonly encountered in structural loading...

Cable Subjected to a Distributed Load

Cable Subjected to a Distributed Load

The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.

You might also read

Related Articles

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

Sort by

Same author

Long-Term Outcomes of a Self-Expanding Transcatheter Heart Valve.

Structural heart : the journal of the Heart Team·2026

Same author

Balloon-expandable versus Self-expanding Valves in Patients with Small Aortic Annuli Undergoing Transcatheter Aortic Valve Replacement.

The American journal of cardiology·2026

Same author

In-hospital outcomes of valve-in-valve vs. native valve transcatheter aortic valve implantation in Brazil: A propensity-matched analysis.

International journal of cardiology·2026

Same author

Polymer-free sirolimus-based submicron carrier-eluting stent: present and future perspective.

Expert review of medical devices·2026

Same author

Acute ST-Segment Elevation Myocardial Infarction Secondary to Neoplastic Infiltration of the Left Anterior Descending Artery.

JACC. Case reports·2026

Same author

Sex-Based Outcomes in Patients With High Bleeding Risk After PCI With 1-Month DAPT: Results From the Onyx ONE Clear Study.

Journal of the Society for Cardiovascular Angiography & Interventions·2026

Search research articles

Related Experiment Video

Updated: Jun 3, 2026

4D Printed Bifurcated Stents with Kirigami-Inspired Structures

4D Printed Bifurcated Stents with Kirigami-Inspired Structures

Published on: July 25, 2019

Dedicated bifurcation analysis: dedicated devices.

Carlos Collet¹, Ricardo A Costa, Alexandre Abizaid

¹Instituto Dante Pazzanese de Cardiologia, Av. Dr Dante Pazzanese, 500-Vila Mariana, São Paulo 04012-180, Brazil.

The International Journal of Cardiovascular Imaging

|March 17, 2011

Summary

This summary is machine-generated.

Dedicated bifurcation stents simplify complex procedures, improving outcomes. A new quantitative coronary angiography (QCA) segmental analysis offers standardized reporting for better device comparison.

More Related Videos

Bilayer Microfluidic Device for Combinatorial Plug Production

Bilayer Microfluidic Device for Combinatorial Plug Production

Published on: December 1, 2023

Microfluidic Device for the Separation of Non-Metastatic (MCF-7) and Non-Tumor (MCF-10A) Breast Cancer Cells Using AC Dielectrophoresis

Microfluidic Device for the Separation of Non-Metastatic (MCF-7) and Non-Tumor (MCF-10A) Breast Cancer Cells Using AC Dielectrophoresis

Published on: August 11, 2022

Related Experiment Videos

Last Updated: Jun 3, 2026

4D Printed Bifurcated Stents with Kirigami-Inspired Structures

4D Printed Bifurcated Stents with Kirigami-Inspired Structures

Published on: July 25, 2019

Bilayer Microfluidic Device for Combinatorial Plug Production

Bilayer Microfluidic Device for Combinatorial Plug Production

Published on: December 1, 2023

Microfluidic Device for the Separation of Non-Metastatic (MCF-7) and Non-Tumor (MCF-10A) Breast Cancer Cells Using AC Dielectrophoresis

Microfluidic Device for the Separation of Non-Metastatic (MCF-7) and Non-Tumor (MCF-10A) Breast Cancer Cells Using AC Dielectrophoresis

Published on: August 11, 2022

Area of Science:

Interventional Cardiology
Medical Device Technology
Coronary Artery Disease

Background:

Percutaneous coronary intervention (PCI) for bifurcations using conventional stents presents challenges.
Limitations include side branch ostial gaps, high metal density, and incomplete stent apposition.
Dedicated bifurcation stents aim to overcome these limitations and improve procedural and clinical results.

Purpose of the Study:

To review quantitative coronary angiography (QCA) results of dedicated bifurcation devices.
To evaluate the efficacy of a new, dedicated QCA segmental analysis for bifurcation stenting.
To address the inconsistencies in QCA reporting for bifurcation lesions.

Main Methods:

Review of QCA results from studies utilizing dedicated bifurcation stents.
Application of a novel, segmental QCA analysis method tailored for bifurcation anatomy.
Comparison of outcomes based on the new QCA methodology.

Main Results:

Dedicated bifurcation stents show promise in simplifying complex PCI procedures.
The new segmental QCA analysis provides standardized measurements for bifurcation lesions.
This standardized approach facilitates more accurate comparisons between different devices and techniques.

Conclusions:

Dedicated bifurcation stents offer an improved approach to treating coronary bifurcations.
A standardized, segmental QCA analysis is crucial for accurate assessment and comparison of bifurcation stenting techniques.
Further research utilizing this standardized QCA method will enhance understanding and guide clinical practice.