Three-dimensional geometric constraint evaluation and analysis for determining commercial knee prosthesis

Ming Dar Tsai, Shyan Bin Jou, Ming Shium Hsieh

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This paper describes a method of automatically determining a knee prosthesis by evaluating geometric constraints that include avoiding abnormal bone tissue in sections and interfaces between prostheses and bones, and achieving maximum contact but avoiding incomplete contact. Our algorithms manipulate volume data of patient's knee to complete the above evaluations. These include using interfaces of prosthetic femur and tibia to intersect with the volume-representation femur and tibia and then detect abnormal bone tissue inside the interface, defects and incomplete contacts on interface boundary, and using tangent plane on curve-shaped prosthetic femur to obtain the patella platform for inserting the prosthetic patella and thus compute the size of the prosthetic patella.

Original languageEnglish
Pages (from-to)139-145
Number of pages7
JournalJournal of Medical and Biological Engineering
Volume22
Issue number3
Publication statusPublished - Sep 2002

Fingerprint

Knee prostheses
Knee Prosthesis
Patella
Prosthetics
Femur
Tibia
Bone
Bone and Bones
Tissue
Knee
Defects

Keywords

  • 3D reconstruction
  • Knee arthroplasty
  • Prosthetic determination algorithm
  • Volume visualization

ASJC Scopus subject areas

  • Biophysics

Cite this

Three-dimensional geometric constraint evaluation and analysis for determining commercial knee prosthesis. / Tsai, Ming Dar; Jou, Shyan Bin; Hsieh, Ming Shium.

In: Journal of Medical and Biological Engineering, Vol. 22, No. 3, 09.2002, p. 139-145.

Research output: Contribution to journalArticle

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