Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Node Analysis for AC Circuits01:14

Node Analysis for AC Circuits

540
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...
540
Angle of Twist: Problem Solving01:13

Angle of Twist: Problem Solving

636
An electric motor applies a torque of 700 N·m to an aluminum shaft, triggering a stable rotation. Two pulleys, B and C, are subjected to torques of 300 N·m and 400 N·m, respectively. The modulus of rigidity is provided as 25 GPa. With the knowledge of the length and diameter of each segment, the twist angle between the two pulleys can be computed. First, a section cut is made between pulleys B and C, and the cut cross-section is analyzed using a free-body diagram. Given that the torque...
636
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

613
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
613
Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

432
In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution of...
432
Moments of Inertia: Problem Solving01:14

Moments of Inertia: Problem Solving

925
The second moment of an area, also known as the moment of inertia of an area, is a geometric property of a shape that reflects its resistance to change. The moment of inertia of an area can be calculated for both two-dimensional and three-dimensional shapes. The moment of inertia of an area is calculated by taking the sum of the product of the area and the square of its distance from a chosen axis of rotation. For two-dimensional shapes, the moment of inertia can be expressed as a single...
925
Transformation of Plane Stress01:18

Transformation of Plane Stress

588
Studying stress transformation is essential in understanding how stress components within a material, like a cube under plane stress, change with rotation. This change is analyzed by considering a prismatic element within the cube. As the element rotates, the stress components acting on it—both normal and shearing stresses—change in magnitude and orientation. This change is quantified using trigonometric functions of the rotation angle, relating the forces acting on the rotated element's...
588

You might also read

Related Articles

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

Sort by
Same author

Management of Post-Procedure Eruptive Keratoacanthomas: A Retrospective Cohort Study.

Journal of the American Academy of Dermatology·2026
Same author

Milia En Plaque Associated With Prayer-Related Frictional Changes.

Cureus·2025
Same author

A Post-COVID Population-Based Analysis of Mohs Micrographic Surgeon Distribution in the United States.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2024
Same author

Operating in a Different Light: Eliminating Surface Reflectance With Cross-Polarized Loupes During Mohs Micrographic Surgery.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2024
Same author

Treatment of Symptomatic Fluoroscopy-Associated Telangiectasias on the Dorsal Hand With Foam Sclerotherapy.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2024
Same author

Reconstruction of a Full-Thickness Defect Involving Nasal Tip, Bilateral Nasal Ala, and Alar Rim With Complete Loss of Cartilage.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2023
Same journal

A Comprehensive Review of Dermal Fillers and Biostimulators for Neck Rejuvenation.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2026
Same journal

Reconstruction of a Defect Involving the Upper Lip, Alar Base, and Medial Cheek.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2026
Same journal

Extramammary Paget Disease: A Single-Center, Clinical Analysis.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2026
Same journal

Frozen Section Biopsy as a Real-Time Decision-Support Tool in Dermatologic Surgery: A Retrospective Review.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2026
Same journal

MSH6-Associated Muir-Torre Syndrome Diagnosed in the Setting of Cutaneous Squamous Cell Carcinoma.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2026
Same journal

How We Do It: Selection of Hidradenitis Suppurativa Lesions for Deroofing Based on Surface Contour.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2026
See all related articles

Related Experiment Video

Updated: Dec 11, 2025

Donor Posterior Atrial Flap Rotation for Left Atrial Cuff Reconstruction in Lung Transplantation
07:28

Donor Posterior Atrial Flap Rotation for Left Atrial Cuff Reconstruction in Lung Transplantation

Published on: October 11, 2024

602

Canthal Rotation Flap: Analysis of Flap Mechanics.

Zain U Syed1, Nichelle Madden2, Heidi B Donnelly2

  • 1Mohs and Skin Surgery Center, Skin Care Specialty Physicians, Lutherville, Maryland.

Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [Et Al.]
|August 16, 2020
PubMed
Summary
This summary is machine-generated.

The canthal rotation flap offers a reliable surgical solution for medial canthus defects, providing precise reconstruction with good cosmetic outcomes. This technique enhances reconstructive options for this challenging anatomical area.

More Related Videos

Engineered Vascularized Muscle Flap
08:18

Engineered Vascularized Muscle Flap

Published on: January 11, 2016

8.5K
Flapping Soft Fin Deformation Modeling using Planar Laser-Induced Fluorescence Imaging
06:20

Flapping Soft Fin Deformation Modeling using Planar Laser-Induced Fluorescence Imaging

Published on: April 28, 2022

2.4K

Related Experiment Videos

Last Updated: Dec 11, 2025

Donor Posterior Atrial Flap Rotation for Left Atrial Cuff Reconstruction in Lung Transplantation
07:28

Donor Posterior Atrial Flap Rotation for Left Atrial Cuff Reconstruction in Lung Transplantation

Published on: October 11, 2024

602
Engineered Vascularized Muscle Flap
08:18

Engineered Vascularized Muscle Flap

Published on: January 11, 2016

8.5K
Flapping Soft Fin Deformation Modeling using Planar Laser-Induced Fluorescence Imaging
06:20

Flapping Soft Fin Deformation Modeling using Planar Laser-Induced Fluorescence Imaging

Published on: April 28, 2022

2.4K

Area of Science:

  • Oculoplastic surgery
  • Reconstructive surgery
  • Dermatologic surgery

Background:

  • Surgical defects of the medial canthus present limited reconstructive options.
  • Existing techniques often lack reproducibility, precision, and simplicity.
  • The canthal rotation flap is introduced as a technique respecting the unique geometry of the medial canthus.

Purpose of the Study:

  • To evaluate the authors' experience with the canthal rotation flap for medial canthus reconstruction.
  • To analyze reconstructive planning, flap mechanics, and geometric considerations.
  • To assess the cosmetic outcomes achieved with this flap.

Main Methods:

  • A retrospective review of 16 cases undergoing medial canthus reconstruction.
  • Defects were reconstructed using the canthal rotation flap.
  • Outcomes were assessed using a blinded visual analog scale (VAS) for scarring.

Main Results:

  • Sixteen patients with medial canthus defects (0.8-2.7 cm) were treated.
  • No major complications were reported.
  • The mean VAS scar rating at follow-up was 2.1, indicating good cosmetic results.

Conclusions:

  • The canthal rotation flap is a reliable, single-stage repair for small medial canthus defects.
  • The technique is optimized for the medial canthus geometry, offering improved reconstructive choices.
  • This flap represents a valuable addition to the limited reconstructive armamentarium for the medial canthus.