Lubricant Use
Lubricant Use - Related Videos
09:21
Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer
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Cited by 3 •
2015
We present a protocol for using a piezoelectrically-assisted tribometer and optical profilometer to investigate the dependence of ultrasonic wear and friction reduction on linear velocity, contact pressure, and surface properties.
01:23
Design Example: Deciding Thickness of Lubricating Fluid in a Shaft
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2025
Effective lubrication between a rotating shaft and its bearing housing is essential in rotating machinery to minimize friction, wear, and energy loss. With carefully controlled thickness and viscosity, the lubricant layer prevents metal-to-metal contact, ensuring smooth operation. To calculate the required thickness of the lubricant layer, the tangential velocity at the shaft's surface must first be determined. This velocity is calculated by converting the rotational speed to angular velocity...
09:24
Three-dimensional Angiogenesis Assay System using Co-culture Spheroids Formed by Endothelial Colony Forming Cells and Mesenchymal Stem Cells
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Cited by 14 •
2019
Three-dimensional co-culture spheroid angiogenesis assay system is designed to mimic the physiologic angiogenesis. Co-culture spheroids are formed by two human vascular cell precursors, ECFCs and MSCs, and embedded in collagen gel. The new system is effective for evaluating angiogenic modulators, and provides more relevant information to the in vivo study.
02:51
Catheter-Associated Urinary Tract Infection in a Mouse Model
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2026
Source: Conover, M. S., et al., J. Establishment and Characterization of UTI and CAUTI in a Mouse Model. J. Vis. Exp. (2015)This video demonstrates the procedure for assembling and implanting a transurethral catheter in a female mouse, followed by bacterial inoculation to establish catheter-associated urinary tract infection and investigate biofilm-mediated host-pathogen interactions.
03:02
Urine Depletion and Bladder Rinsing in Mouse Model: A Catheter-based Procedure to Empty and Wash Murine Urinary Bladder
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2023
In this video, we describe a catheter-based procedure to empty and rinse the urinary bladder of a mouse model. The prepped mouse can then be used for further experimental procedures.
FAQs
Viscosity influences how readily the substance moves across contacting surfaces, while spreading determines whether it forms a sufficiently continuous slippery film. A formulation that distributes effectively can reduce areas of direct contact, limiting friction, discomfort, and tissue irritation. These properties therefore influence how consistently lubrication works during examinations, catheterization, and other procedures involving skin or mucous membranes.
Water- and silicone-based compositions are relevant options, but selection should also account for tissue and medical-device compatibility. The formulation must support a slippery film without compromising the contacted tissue or device. Considering composition alongside viscosity and spreading helps align lubricant performance with the specific clinical intervention and the surfaces involved.
A continuous film can reduce the amount of direct surface contact, lowering mechanical resistance as an instrument or material moves against skin or mucous membranes. This reduction can make device placement easier and help limit irritation caused by repeated or forceful contact. If coverage is uneven, the protective and friction-reducing effect may be less consistent across the procedure.
Selection should match the contacted tissue, the medical device, and the task being performed. Clinicians should consider viscosity, spreading behavior, composition, and compatibility rather than treating all lubricants as interchangeable. This approach helps balance patient comfort with the practical need to facilitate placement and reduce mechanical resistance during catheterization or other instrument-assisted care.
It is relevant whenever instruments or materials contact skin or mucous membranes, including clinical examinations, catheterization, and other interventions. In these settings, lubrication can support more comfortable contact, reduce tissue irritation, and help instruments or devices move into position. Its role is therefore practical as well as patient-centered, linking surface interaction with procedure efficiency.
Appropriate selection and application can improve patient comfort while facilitating device placement and reducing mechanical resistance. The same choices may also help limit tissue irritation and support safer, more efficient care. These outcomes depend on matching the lubricant's properties to the contacting tissues, devices, and procedural circumstances rather than applying a single formulation indiscriminately.