STRESSES IN THE STERNUM: AN EXAMPLE OF MODELLING THE EFFECTS OF IMPLANTS ON HARD TISSUE David W.L. Hukins University of Birmingham.

Slides:

Advertisements

Similar presentations

Viscoelastic properties of articular cartilage at high frequencies Geoffrey R Fulcher David WL Hukins Duncan ET Shepherd School of Mechanical Engineering.

Advertisements

Concrete as a construction material. What Is Concrete Used For? Construction Material Art Work.

1 Volpe The National Transportation Systems Center Finite Element Analysis of Wood and Concrete Crossties Subjected to Direct Rail Seat Pressure U.S. Department.

Final Project “Investigation of Head Impact during an Inverted Drop Test” ME /18/06 Luke Gibbons.

Economic Credentialing and Physician Performance Measures: They Know Who You Are by David A. Wong, and Laura L. Forese J Bone Joint Surg Am Volume 92(5):

Tissue Engineering: a new healthcare technology. Biomaterials Biomaterials science may be the most multidisciplinary of all the sciences which encompasses.

Seminar/seminar /ming.ppt 1 Tacking the challenges to professional education arising from the pace of technological development and the need for.

A program for creating patient-specific Finite Element models of fractured bones fixed with metallic implants Aviv Hurvitz, CAS Laboratory, The Hebrew.

King Suad University College of Engineering Industrial Engineering Department Modeling Of Bone.

Figure 1: Locations of rosette strain gauges (n = 10) on the cadaveric pelvis. * * * * * * * * * * G Figure 3: Fixture for loading the pelvis (A) actuator,

1 THERMAL STRESSES Temperature change causes thermal strain Constraints cause thermal stresses Thermo-elastic stress-strain relationship (a) at T = T.

Detection of Orthopaedic Implants in Vivo by Enhanced- Sensitivity, Walk-Through Metal Detectors by Miguel A. Ramirez, Edward K. Rodriguez, David Zurakowski,

5 COMPONENTS OF HEALTH-RELATED FITNESS 1. Muscle endurance 2. Muscle strength 3. Cardiovascular endurance 4. Flexibility 5. Body composition.

Constraints Mechanical Properties Materials and their Properties.

Load-to-Failure, Contact Area and Contact Pressure of Three Rotator Cuff Repair Methods: A Comparative Biomechanical Analysis Josianne Lépine and Frédéric.

1.Disease: heart, kidney, liver 2.Trauma 3.Environment: x-rays, 2 nd hand smoke 4. Aging 5.Congenital Defects: cleft palate, heart.

Mechanotransduction and Fracture Repair by Elise F. Morgan, Ryan E. Gleason, Lauren N. M. Hayward, Pui L. Leong, and Kristy T. Salisbury Palomares J Bone.

How Bridges Respond to Loads

$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300.

Materials and Constraints. The 5 Exterior Forces Tension Compression Torsion Shearing Bending.

A Dynamic Study of Thoracolumbar Burst Fractures by Ruth K. Wilcox, Thomas O. Boerger, David J. Allen, David C. Barton, David Limb, Robert A. Dickson,

Davide Forcellini, Univ. of San Marino Prof. Ahmed Elgamal, Dr. Jinchi Lu, UC San Diego Prof. Kevin Mackie, Univ. of Central Florida SEISMIC ASSESSMENT.

Current and Novel Approaches to Treating Chondral Lesions by Timothy M. Wright, and Suzanne A. Maher J Bone Joint Surg Am Volume 91(Supplement 1):

A New Design Custom TMJ Prosthesis Philip McLoughlin Eric Abel Jyothi Chandramohan Peter Bowman Maxillofacial Unit, Ninewells Hospital & Dept of Biomechanical.

Biomechanics Mechanics applied to biology –the interface of two large fields –includes varied subjects such as: sport mechanicsgait analysis rehabilitationplant.

Date of download: 6/27/2016 Copyright © ASME. All rights reserved. From: Optical Microscopy-Aided Indentation Tests J. Eng. Mater. Technol. 2008;130(1):

6thPan Hellenic Conference, Patra October 2014

Comparison of Extraosseous Talotarsal Stabilization Implants in a Stage II Adult- Acquired Flatfoot Model: A Finite Element Analysis Jian Xu, PhD, MD,

Davide Gabbieri, MD, Pascal M

Conventional total hip replacement New Birmingham hip resurfacing

Comparison of different designs of implant-retained overdentures and fixed full-arch implant-supported prosthesis on stress distribution in edentulous.

EFFECTS OF Q-ANGLE AND TIBIAL SLOPE ON ANTERIOR CRUCIATE LIGAMENT STRAIN: A FINITE ELEMENT STUDY 1A Amerinatanzi, M Ingels, J Kinn, R Summers, E Nyman,

How To Add A Xerox Printer To Google Chrome

Frio River Cabins - Frio Vacation Homes - Frio Country Resort

Motivation and Background:

Double crisscross sternal wiring and chest wound infections: A prospective randomized study Tomaso Bottio, MD, Giulio Rizzoli, MD, Vladimiro Vida, MD,

A modified parasternal wire technique for prevention and treatment of sternal dehiscence Rajeev Sharma, MCh, Deepak Puri, MCh, Bishnu P Panigrahi, MD,

التعامل مع ضغوطات العمل إعداد وتقديم إقبال المطيري

Biomechanical drawbacks of different techniques of mitral neochordal implantation: When an apparently optimal repair can fail Francesco Sturla, PhD,

Mechanical Properties of Materials

Maxillary bone transportation in alveolar cleft—transport distraction osteogenesis for treatment of alveolar cleft repair Masaharu Mitsugi, Osamu Ito,

قوانين برگزاري مناقصات و آيين نامه مالي و معاملاتي دانشگاه علوم پزشكي و خدمات بهداشتي ،درماني تهران

J. Ernesto Molina, MD, PhD, Rachel Saik-Leng Lew, BS, Kasi J

Sternal dehiscence in patients with moderate and severe chronic obstructive pulmonary disease undergoing cardiac surgery: The value of supportive thorax.

Failure properties of intraluminal thrombus in abdominal aortic aneurysm under static and pulsating mechanical loads T. Christian Gasser, PhD, Göray.

When Guidelines Cause Hypertension

Finding the ideal biomaterial for aortic valve repair with ex vivo porcine left heart simulator and finite element modeling Hadi Daood Toeg, MD, MSc,

Repair of sternal dehiscence after bilateral lung transplantation

Evaluation and operative technique to repair isolated sternal fractures J. Ernesto Molina, MD, PhD The Journal of Thoracic and Cardiovascular Surgery

R. Wettstein, MD, D. Erni, MD, P. Berdat, MD, D. Rothenfluh, A

Bruce H. Smaill, PhDa, David C. McGiffin, MB, BS, FRACSb, Ian J

Jason Tak-Man Cheung, MPhil, Ming Zhang, PhD

Takeyoshi Ota, MD, PhD, David Schwartzman, MD, Marco A. Zenati, MD

Real-time recording of annuloplasty suture dehiscence reveals a potential mechanism for dehiscence cascade Eric L. Pierce, BS, Javier Gentile, MD, Andrew.

1. Identify the tissue.

Name that bone....

Mechanical analysis of midline sternotomy wound closure

Forced Mechanical Sternal Elevation for Nuss Repair

Treatment of postoperative sternal dehiscence with mediastinitis: Twenty-four–year use of a single method J. Ernesto Molina, MD, PhD, Elaine C. Nelson,

Firebase Vs. MongoDB: Choose the Best Database of 2019

J.Terrance Davis, MD, Samuel Weinstein, MD

Lower sternal reinforcement improves the stability of sternal closure

Individuals with patellofemoral pain exhibit greater patellofemoral joint stress: a finite element analysis study S. Farrokhi, J.H. Keyak, C.M. Powers

Double criss-cross sternal wiring and chest wound infections

Magnetic resonance imaging-based finite element stress analysis after linear repair of left ventricular aneurysm Joseph C. Walker, PhD, Mark B. Ratcliffe,

Presentation transcript:

STRESSES IN THE STERNUM: AN EXAMPLE OF MODELLING THE EFFECTS OF IMPLANTS ON HARD TISSUE David W.L. Hukins University of Birmingham

REPAIRING THE STERNUM

TENSION IN A WIRE Force F = rLP Pressure P < 40 kPa L = 0.25 m r = 0.15 m F = rLP/6 = 250 N F r L

REDUCING CONTACT STRESS FE modelling of stresses in bone: Dimensions of sternum Properties of cortical and cacellous bone Stochastic FE modelling

STRESSES IN BONE R S Jutley, M A Watson, D E T Shepherd & D W L Hukins Finite element analysis of stress around a sternum crew used to prevent sternal dehiscence after heart surgery Journal of Engineering in Medicine, 216, (2002).