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 Experiment Videos

Strength requirements for internal and external prostheses.

J P Paul1

  • 1Bioengineering Unit, University of Strathclyde, Wolfson Centre, Glasgow, UK.

Journal of Biomechanics
|April 23, 1999
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

[Visual recovery as the target for glaucoma].

Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·2018
Same author

Equilibrium equations.

Clinical biomechanics (Bristol, Avon)·2013
Same author

The patellar tendon bar! Is it a necessary feature?

Medical engineering & physics·2010
Same author

Bellini CM, et al. "Loss in mechanical contact of cementless acetabular prostheses due to postoperative weight bearing: a biomechanical model" [Med. Eng. Phys. 29(2) (2007) 175-181].

Medical engineering & physics·2008
Same author

A severe case of transoral impalement injury.

Anaesthesia and intensive care·2007
Same author

Intramedullary femoral nails: one or two lag screws? A preliminary study.

Medical engineering & physics·2004

Mechanical failures in joint replacements and prostheses stem from material strength mismatches and unclear load requirements. Understanding patient activity loads is crucial for designing safer, more durable artificial limbs and implants.

Area of Science:

  • Biomedical Engineering
  • Orthopedic Surgery
  • Materials Science

Background:

  • Joint replacement implants and external prostheses historically face mechanical failures due to discrepancies in material strength and applied loads.
  • Wear particles from internal prostheses are linked to accelerated bone resorption, impacting implant fixation.
  • Designing prosthetic devices is challenging due to uncertainties regarding the significance of high-value, infrequent loads versus frequent ones.

Purpose of the Study:

  • To analyze load systems relevant to the mechanical performance of hip and knee joint replacements and leg prostheses.
  • To present new data on loads during walking and daily activities, including their frequency.
  • To compare loading data from biomechanical models with measurements from implanted transducers.

Main Methods:

Related Experiment Videos

  • Review of historical mechanical failures in joint replacement implants and external prostheses.
  • Analysis of wear particle generation and its effect on bone resorption.
  • Determination of load systems for hip/knee implants and leg prostheses considering patient activities.
  • Comparison of biomechanical model predictions with in-vivo transducer measurements.

Main Results:

  • New data quantify loads during walking and daily activities and their frequencies.
  • Loading data from biomechanical models are compared with actual in-vivo measurements.
  • The study reviews the philosophy behind standardized test load systems and performance requirements for prostheses.

Conclusions:

  • Accurate determination of load systems, including occasional high loads and their frequency, is essential for rational prosthetic device design.
  • Understanding patient-specific loading conditions improves the mechanical performance and longevity of joint replacements and prostheses.
  • Standardized testing must accurately reflect real-world functional demands to ensure implant and prosthesis reliability.