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

Is stem length important in uncemented endoprostheses?

K E Tanner1, A L Yettram, M Loeffler

  • 1Interdisciplinary Research Centre in Biomedical Materials, University of London, Queen Mary College, UK.

Medical Engineering & Physics
|June 1, 1995
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

Methods of producing three dimensional electrospun scaffolds for bone tissue engineering: A review.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine·2022
Same author

Testing meshes in a computer model of a laparoscopic ventral hernia repair.

Surgical endoscopy·2021
Same author

Post-mortem examination of the Caribbean spiny lobster (Panulirus argus, Latreille 1804) and pathology in a fishery of the Lesser Antilles.

Journal of invertebrate pathology·2020
Same author

Characterization of microsporidian Ameson herrnkindi sp. nov. infecting Caribbean spiny lobsters Panulirus argus.

Diseases of aquatic organisms·2020
Same author

Ultrasound-guided adductor canal block: a cadaver study investigating the effect of a thigh tourniquet.

British journal of anaesthesia·2018
Same author

Did parents have it right all along? Parents, risk, and living kidney donation: Revisiting the arguments for and against parental living donation of kidneys.

Pediatric transplantation·2018
Same journal

Development and experimental characterization of a cadaveric stance simulator for residual limb biomechanics.

Medical engineering & physics·2026
Same journal

Rapid personalized computational modeling of the wrist.

Medical engineering & physics·2026
Same journal

SHAP-enabled explainable AI framework for clinical interpretation of valvular heart diseases via digital acoustic features.

Medical engineering & physics·2026
Same journal

Three-dimensional motion analysis of a total wrist prosthesis during the dart-throwing motion: a cadaveric study.

Medical engineering & physics·2026
Same journal

Patient-specific left ventricular hypertrophy under severe hypertension: mechanistic insights from Hill-type computational simulations.

Medical engineering & physics·2026
Same journal

Enabling laboratory-based personalization of musculoskeletal spine models: a standardized rail-guided ultrasound method.

Medical engineering & physics·2026
See all related articles

A longer femoral stem in uncemented total hip replacement reduces stress on the bone. This finding is crucial for improving implant longevity and patient outcomes in hip arthroplasty.

Area of Science:

  • Orthopedic Surgery
  • Biomechanical Engineering
  • Materials Science

Background:

  • Uncemented femoral stems in total hip replacement (THR) are designed to integrate with bone.
  • The mechanical contribution of the distal stem, especially when undersized relative to the medullary canal, is debated.
  • Understanding stem behavior is critical for optimizing THR design and surgical success.

Purpose of the Study:

  • To investigate the mechanical function of different femoral stem lengths in uncemented THR.
  • To evaluate the impact of stem length on stress distribution within the proximal femur.
  • To compare finite element analysis (FEA) predictions with mechanical testing data.

Main Methods:

  • Mathematical modeling using finite element analysis (FEA) of uncemented THR.

Related Experiment Videos

  • Mechanical testing of cadaveric proximal femora with varying implant lengths.
  • Simulation of high and standard neck resection levels in FEA.

    • Main Results:

    • FEA indicated that full-length stems result in lower interface contact stress proximally.
    • This effect was more pronounced with high neck resections.
    • Mechanical tests corroborated the FEA findings, supporting the benefit of longer stems.

    Conclusions:

    • Full-length femoral stems offer superior stress distribution in uncemented THR.
    • Optimizing stem length can mitigate stress shielding and improve bone-implant interaction.
    • These findings have implications for designing more effective hip implants.