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Related Concept Videos

Flail Chest-I01:24

Flail Chest-I

Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...
Flail Chest-II01:26

Flail Chest-II

Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
Assessment:
1. Clinical Evaluation:
History:
Free-falling Bodies: Example01:05

Free-falling Bodies: Example

An object falling without any air resistance under the influence of gravitational force is said to be in free-fall. For free-falling bodies, the acceleration due to gravity is constant, irrespective of their mass. Free-fall is experienced not only by objects falling downward, but also by all objects whose motion is influenced by gravitational force alone. The dynamics of free-fall motion can be calculated using kinematic equations of motion, since free-fall acceleration is constant.
The...
Free-falling Bodies: Introduction01:07

Free-falling Bodies: Introduction

All objects, neglecting air resistance, fall with the same acceleration towards the Earth's center due to the force exerted by the Earth's gravity. This experimentally determined fact is unexpected because we are so accustomed to the effects of air resistance and friction that we expect light objects to fall slower than heavier ones. People believed that a heavier object had a greater acceleration when falling until Galileo Galilei (1564–1642) proved otherwise. We now know this is not the case.
Dry Friction01:30

Dry Friction

Dry friction occurs between two solid surfaces in contact as they attempt to move relative to one another. In daily life, dry friction is encountered in various forms, such as when walking on the ground, sliding an object across a table, or rubbing hands together. Despite its ubiquity, the underlying mechanisms behind dry friction are not readily visible.
To illustrate this concept, imagine a wooden crate resting on a rough, non-uniform horizontal surface. When an external force is applied to...
Free Jet01:14

Free Jet

Free jets describe the flow of liquid exiting a reservoir through an opening into the atmosphere without resistance. The velocity (v) of the liquid jet is derived using Bernoulli's principle and expressed as:

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Related Experiment Video

Updated: Jul 2, 2026

An Experimental Human DIEP Flap Model to Investigate Preservation Strategies for Vascularized Composite Allografts and Free Flaps
07:57

An Experimental Human DIEP Flap Model to Investigate Preservation Strategies for Vascularized Composite Allografts and Free Flaps

Published on: December 5, 2025

Free-style free flap.

Chang-Cheng Chang1, Chin-Ho Wong, Fu-Chan Wei

  • 1Department of Plastic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan.

Injury
|August 30, 2008
PubMed
Summary
This summary is machine-generated.

Free-style free flap harvesting allows for versatile donor site selection using Doppler guidance. This microsurgical technique overcomes anatomical variations, enabling customized flap design for individual patient needs.

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A Model of Free Tissue Transfer: The Rat Epigastric Free Flap
10:10

A Model of Free Tissue Transfer: The Rat Epigastric Free Flap

Published on: January 15, 2017

Related Experiment Videos

Last Updated: Jul 2, 2026

An Experimental Human DIEP Flap Model to Investigate Preservation Strategies for Vascularized Composite Allografts and Free Flaps
07:57

An Experimental Human DIEP Flap Model to Investigate Preservation Strategies for Vascularized Composite Allografts and Free Flaps

Published on: December 5, 2025

A Model of Free Tissue Transfer: The Rat Epigastric Free Flap
10:10

A Model of Free Tissue Transfer: The Rat Epigastric Free Flap

Published on: January 15, 2017

Area of Science:

  • Microsurgery
  • Plastic and Reconstructive Surgery

Background:

  • Microsurgical techniques have advanced significantly.
  • Perforator flaps are crucial in reconstructive surgery.

Purpose of the Study:

  • To explore the feasibility and application of free-style free flap harvesting.
  • To highlight the advantages and limitations of this technique.

Main Methods:

  • Utilizing a hand-held Doppler to identify perforators for flap-based harvesting.
  • Selecting donor sites based on audible pulsatile Doppler signals.
  • Demonstrating clinical application in thigh flap reconstruction.

Main Results:

  • Free-style harvesting enables flap creation from any body region with a suitable perforator.
  • The technique effectively overcomes anatomical variations, enhancing surgical flexibility.
  • Successful and reliable flap elevation was demonstrated in the thigh, despite anatomical uncertainties.

Conclusions:

  • Free-style free flap harvesting is a practical advancement in microsurgery.
  • This method allows for tailored flap design to meet specific case requirements.
  • Potential limitations like unpredictable perforator courses can be managed with experience and improved techniques.