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Related Concept Videos

Self-Locking Screw01:16

Self-Locking Screw

A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. One of the key features that can make a screw jack more effective and reliable is its self-locking capability.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
Muscles for Facial Expressions01:14

Muscles for Facial Expressions

The craniofacial muscles are a collection of approximately 20 thin skeletal muscles situated beneath the skin of the face and scalp. These muscles, primarily responsible for the vast array of human facial expressions, originate from the bones or fibrous structures of the skull and extend outwards to connect with the skin. While most skeletal muscles in the body are enveloped in thick fascia, facial muscles generally have a more delicate fascial covering, with the buccinator muscle being a...
Frictional Forces on Screws01:17

Frictional Forces on Screws

Screws are characterized by a helical ridge known as a thread wrapped around a cylindrical shaft. They are commonly used as fasteners to hold objects together or to transmit power and motion in machines. One type of screw that is particularly useful for transmitting power is the square-threaded screw.
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
Posttensioned Masonry Walls01:15

Posttensioned Masonry Walls


Post-tensioned masonry walls use high-strength steel rods or flexible tendons to enhance the strength and efficiency of masonry structures. These elements are securely anchored to the foundation and extend vertically either within the cores of the masonry units or between the masonry wythes. The construction process involves building the wall with these tensioning elements in place and allowing the mortar to fully cure.
Following the curing process, the tensioning begins. Steel rods are...
Deformation of Member under Multiple Loadings01:11

Deformation of Member under Multiple Loadings

When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
Machines: Problem Solving I01:22

Machines: Problem Solving I

A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...

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

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[Restoration of the labial barcode by simultaneous "one shot" injection of botulinum toxin-hyaluronic acid in the same syringe].

Annales de chirurgie plastique et esthetique·2023
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[Lip lifting and philtral restoration with a mustache flap].

Annales de chirurgie plastique et esthetique·2019
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Patient satisfaction after the treatment of glabellar lines with Botulinum toxin type A (Speywood Unit): a multi-centre European observational study.

Journal of the European Academy of Dermatology and Venereology : JEADV·2014
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[Scratched faces: treatment of dynamic facial wrinkles through the simultaneous combined use of botulinium toxin A and hyaluronic acid].

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Niche-specificity and the variable fraction of the Pectobacterium pan-genome.

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Related Experiment Video

Updated: Jun 5, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
19:53

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

Published on: March 1, 2015

[The double locking face lifting].

B Môle1

  • 1mole@cegetel.net

Annales De Chirurgie Plastique Et Esthetique
|January 18, 2011
PubMed
Summary

This cervicofacial lift technique uses secondary undermining and dual locking for natural results. It offers a safe dissection plane, preserves hair, and is ideal for surgeons with limited experience.

Area of Science:

  • Plastic Surgery
  • Facial Rejuvenation Techniques

Context:

  • Cervicofacial rhytidectomy is a common procedure for facial aging.
  • Existing techniques present challenges in achieving natural results and safe dissection.
  • Patient demand for natural-looking outcomes and minimal scarring is high.

Purpose:

  • To present a refined cervicofacial lift technique.
  • To detail a method emphasizing safe undermining and dual locking mechanisms.
  • To evaluate the efficacy and safety of this technique in a clinical setting.

Summary:

  • The described technique involves secondary undermining via small incisions, a superficial musculoaponeurotic system (SMAS) lock, and a subdermal skin flap lock.
  • Advantages include a safe undermining plane, preserved hairline, and natural aesthetic outcomes.

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A Mechanical Construction to Enhance the Stability and Safety of Lifting and Thrusting Manipulation of Acupuncture
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A Mechanical Construction to Enhance the Stability and Safety of Lifting and Thrusting Manipulation of Acupuncture

Published on: January 10, 2025

Related Experiment Videos

Last Updated: Jun 5, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
19:53

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer

Published on: March 1, 2015

A Mechanical Construction to Enhance the Stability and Safety of Lifting and Thrusting Manipulation of Acupuncture
07:29

A Mechanical Construction to Enhance the Stability and Safety of Lifting and Thrusting Manipulation of Acupuncture

Published on: January 10, 2025

  • A survey of 122 cases over five years reported no major incidents, with a 3.5% revision rate.
  • Impact:

    • This technique offers a safe and effective approach to cervicofacial lifting, particularly beneficial for less experienced surgeons.
    • It addresses common concerns like scar visibility and unnatural tightness.
    • Further refinement is suggested for managing cheek ptosis, nasolabial folds, and jowls, with recommendations for medial neck approaches and judicious use of malar lifts.