Vascular Catheter
Vascular Catheter - Related Videos
08:51
Hickman Catheter Use for Long-Term Vascular Access in a Preclinical Swine Model
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2023
A reliable and reproducible approach for the insertion and maintenance of a tunneled Hickman catheter for long-term vascular access in swine is described. Placement of a central venous catheter allows for convenient daily sampling of whole blood from awake animals and intravenous administration of medication and fluids.
11:39
Central Venous Catheter Insertion: Internal Jugular
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2023
Source: James W Bonz, MD, Emergency Medicine, Yale School of Medicine, New Haven, Connecticut, USA Central venous access is necessary in a multitude of clinical situations, including vascular access, vasopressor and caustic medication delivery, central venous pressure monitoring, intravascular device delivery (pacing wires, Swann-Ganz catheters), volume resuscitation, total parental nutrition, hemodialysis, and frequent phlebotomy. Safe reliable placement of a central venous catheter (CVC) in...
11:39
Peripheral Intravenous Catheter Insertion
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2023
Source: Madeline Lassche, MSNEd, RN and Katie Baraki, MSN, RN, College of Nursing, University of Utah, UT The purpose of peripheral intravenous catheter (PIV) insertion is to infuse medications, perform intravenous (IV) fluid therapy, or inject radioactive tracers for special examination procedures. Placing a PIV is an invasive procedure and requires the use of an aseptic, no-touch technique. Common IV venipuncture sites are the arms and hands in adults and the feet in children. According to...
11:10
Visualization of Vascular and Parenchymal Regeneration after 70% Partial Hepatectomy in Normal Mice
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Cited by 3 •
2016
Tools used for visualizing vascular regeneration require methods for contrasting the vascular trees. This film demonstrated a delicate injection technique used to achieve optimal contrasting of the vascular trees and illustrate the potential benefits resulting from a detailed analysis of the resulting specimen using µCT and histological serial sections.
12:37
Surgical Placement of Catheters for Long-term Cardiovascular Exercise Testing in Swine
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Cited by 16 •
2016
Here we present a protocol to assess cardiopulmonary function in awake swine, at rest and during graded treadmill exercise. Chronic instrumentation allows for repeated hemodynamic measurements uninfluenced by cardiodepressive anesthetic agents.
FAQs
A catheter’s hollow lumen provides a continuous pathway between the vessel and external equipment. This allows investigators to move fluids, medications, contrast agents, or blood samples in a controlled manner rather than relying only on separate needle punctures. The same pathway can support measurements or interventions, linking vascular access to both observation and treatment during an experiment.
Vessel selection, catheter design, and placement jointly determine what can be accessed and measured. A design suited to one vascular location may not provide the same reach or measurement opportunity elsewhere. Consequently, interpreting data requires attention to where the catheter sits and how its configuration relates to the circulation, because access location shapes the biological information obtained.
By providing access to a vessel through a tube, a vascular catheter can reduce the need for repeated needle punctures. This is useful when studies require repeated blood collection, hemodynamic monitoring, or multiple controlled infusions. The benefit is not merely convenience: more consistent access can help investigators follow changes in circulation or responses to an intervention over time.
A research workflow begins by selecting an appropriate vascular location and catheter design for the intended access. The catheter is then inserted into the vessel and connected to external equipment, allowing sampling, infusion, contrast delivery, or monitoring. The resulting setup supports repeated measurements or interventions within the study, while placement determines which circulation-related outcomes can be examined.
They are especially useful when investigators need hemodynamic monitoring, repeated blood collection, targeted infusion, or controlled evaluation of cardiovascular function. The same access can also support studies of drug effects and vascular responses. These applications make the technique valuable for experiments that examine how circulation changes under defined treatments or other controlled conditions.
Vascular catheters connect cardiovascular physiology with measurable experimental interventions. Researchers can examine circulation while collecting blood, monitoring hemodynamics, delivering a targeted substance, or assessing responses to a drug. Because catheter placement determines the accessible vessel and measurements, the approach helps relate observed cardiovascular changes to specific locations and controlled experimental conditions.