Guide Wire Placement
Guide Wire Placement - Related Videos
06:57
Arterial Line Placement
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2023
Source: Sharon Bord, MD, Department of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA When monitoring patients, it is important to obtain values that are accurate and reliable. Blood pressure monitoring is one of the essential vital signs, and for a majority of patients, measuring it utilizing non-invasive techniques provides accurate values. However, there are situations in which the blood pressure requires more exact, specific, and reliable measurements.
09:04
Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
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2011
Vascular mapping of monochorionic (MC) twin placentas after birth provides a means for detailed demonstration of vascular connections between the twins’ circulations. Imbalance of these connections is thought to play a pivotal role in the development of complications of MC twinning including twin-to-twin transfusion syndrome.
09:17
Hot Wire Anemometry
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2023
Source: Ricardo Mejia-Alvarez and Hussam Hikmat Jabbar, Department of Mechanical Engineering, Michigan State University, East Lansing, MI Hot-wire anemometers have a very short time-response, which makes them ideal to measure rapidly fluctuating phenomena such as turbulent flows. The purpose of this experiment is to demonstrate the use of hot-wire anemometry.
15:28
Extracellular Wire Tetrode Recording in Brain of Freely Walking Insects
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Cited by 24 •
2014
We previously developed a technique for implanting tetrode wires into the central complex of cockroach brains that allows us to monitor activity in individual units of tethered cockroaches. Here we present a modified version of that technique that allows us to also record brain activity in freely moving insects.
09:51
Intraosseous Needle Placement
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2023
Source: Julianna Jung, MD, FACEP, Associate Professor of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA For unstable patients requiring urgent administration of medications, fluids, or blood products, establishing vascular access quickly is essential. However, there are many factors that can complicate placement of a peripheral intravenous cannula (PIV), and it is extremely common for PIV attempts to fail. PIV placement may be technically challenging in small...
FAQs
Once the wire reaches the intended lumen, it acts as a stable track for directing or exchanging other devices. This support allows a catheter or related instrument to follow an established pathway rather than repeatedly entering the biological structure. The approach can improve control during interventions and help make access more reproducible.
Imaging provides ongoing information about the wire’s position within the target region. This helps the operator assess whether the pathway follows the intended lumen and supports more accurate device advancement. Because precise positioning can reduce procedural trauma, imaging also contributes to controlled interventions and more consistent outcomes in biological research.
Direct catheter advancement relies on the catheter itself to enter and progress through the target region. With guide wire placement, an access needle or catheter first establishes entry, and the wire then maintains a pathway that can support subsequent device exchange or direction. This staged strategy emphasizes controlled access and device guidance.
The process begins when an access needle or catheter enters the target region. A thin, flexible wire is then advanced through the lumen while its position is commonly monitored with imaging. After the pathway is established, other devices can be directed or exchanged over the supported route for the planned intervention.
Accuracy depends on entering the intended biological structure, advancing the wire through the correct lumen, and monitoring its position during the procedure. The wire’s flexibility helps it establish a pathway, while imaging supports positional assessment. Together, these elements influence access precision, procedural control, and the reproducibility of research interventions.
Researchers can apply the technique when controlled access is needed for catheterization, tissue sampling, fluid delivery, or device deployment. Its value extends beyond initial entry because the established pathway supports subsequent manipulation and exchange. These applications make the method relevant to studies and interventions involving blood vessels or other hollow biological organs.