Wire-calibrated Ligation
Wire-calibrated Ligation - Related Videos
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.
07:43
Calibration Curves
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2023
Source: Laboratory of Dr. B. Jill Venton - University of Virginia Calibration curves are used to understand the instrumental response to an analyte and predict the concentration in an unknown sample. Generally, a set of standard samples are made at various concentrations with a range than includes the unknown of interest and the instrumental response at each concentration is recorded. For more accuracy and to understand the error, the response at each concentration can be repeated so an error...
06:42
A Murine Model of Arterial Restenosis: Technical Aspects of Femoral Wire Injury
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Cited by 17 •
2015
The mouse femoral artery wire injury model of restenosis is technically challenging. In this protocol we show the key technical details essential for successfully performing wire injury to induce consistent neointima for studies of restenosis.
07:34
DNA Ligation Reactions
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2023
In molecular biology, ligation refers to the joining of two DNA fragments through the formation of a phosphodiester bond. An enzyme known as a ligase catalyzes the ligation reaction. In the cell, ligases repair single and double strand breaks that occur during DNA replication. In the laboratory, DNA ligase is used during molecular cloning to join DNA fragments of inserts with vectors – carrier DNA molecules that will replicate target fragments in host organisms. This video provides an...
01:11
Glassware Calibration
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2024
Accurate calibration of glassware, such as volumetric flasks, pipettes, and burettes, is essential to ensure accurate measurements in the analytical laboratory. Calibration helps maintain consistency across measurements and prevents errors arising from inaccurate volumes. Volumetric flasks: Volumetric flasks are designed to prepare aqueous solutions of precise volumes accurately with a calibration line on the neck. To calibrate a volumetric flask, it is important to fill it with distilled...
FAQs
The wire provides a physical reference for positioning the ligature around a vessel or targeted tissue. Its calibrated dimensions help guide how the ligature is placed and tightened, supporting more controlled occlusion than relying only on visual judgment or operator feel. This reference can help limit variation in closure and reduce the risk of excessive compression during surgical handling.
Controlled compression helps achieve secure occlusion while avoiding unnecessarily forceful tightening. In this technique, the wire supports a measured approach by providing a reference for the ligature’s dimensions or tension. That balance is relevant to hemostasis and other closure procedures because it promotes predictable tissue or vessel closure without treating compression as the sole measure of procedural success.
A shared physical reference gives different operators a more consistent basis for placing and tightening the ligature. Instead of relying entirely on individual estimates of position or tension, they can work toward comparable dimensions. This standardization may improve reproducibility, make procedural outcomes more predictable, and provide a clearer framework for comparing technique across clinicians or training settings.
The operator first uses the calibrated wire as a reference while positioning the ligature around the selected vessel or tissue. The ligature is then tightened with attention to the dimensions or tension indicated by that reference, while avoiding excessive compression. After closure, the result can be considered in terms of secure occlusion and consistency with the intended procedural standard.
The approach is relevant when a procedure requires controlled vessel or tissue closure, particularly in settings involving hemostasis. Its value comes from combining secure ligation with a practical reference for consistent placement and tightening. It may therefore support procedures where predictable occlusion, controlled compression, and reduced operator-to-operator variability are important considerations.
Because the wire supplies a standardized reference, instructors can teach ligature placement and tightening against more consistent criteria. Learners can be evaluated on whether they achieve the intended dimensions or tension rather than on subjective impressions alone. This structure may make technical feedback clearer and help training programs assess reproducibility and procedural control more systematically.