MedPath

A Clinical Investigation of the Oxford® Partial Knee System

Terminated
Conditions
Osteoarthritis
Registration Number
NCT00699257
Lead Sponsor
Biomet Orthopedics, LLC
Brief Summary

The purpose of this prospective data collection is to document the performance and clinical outcomes of the Oxford® Partial Knee System.

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
85
Inclusion Criteria
  • For use in individuals with osteoarthritis or avascular necrosis limited to the medial compartment of the knee. The implant is intended to be implanted with bone cement.
Exclusion Criteria
  • Infection
  • Use in the lateral compartment of the knee
  • Rheumatoid arthritis or other forms of inflammatory joint disease
  • Revision of a failed prosthesis, failed upper tibial osteotomy or post-traumatic arthritis after tibial plateau fracture
  • Insufficiency of the collateral, anterior, or posterior cruciate ligaments which would preclude stability of the device
  • Disease or damage to the lateral compartment of the knee
  • Uncooperative patient or patient with neurologic disorders who is incapable of following directions
  • Osteoporosis
  • Metabolic disorders which may impair bone formation
  • Osteomalacia
  • Distant foci of infections which may spread to the implant site
  • Rapid joint destruction, marked bone loss, or bone resorption apparent on roentgenogram
  • Vascular insufficiency, muscular atrophy, neuromuscular disease
  • Incomplete or deficient soft tissue surrounding the knee
  • Charcot's disease
  • A fixed varus deformity (not passively correctable) of greater than 15 degrees
  • A flexion deformity greater than 15 degrees

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Knee Society Score6 weeks, 3 months, 1 year, 3 years, 5 years
Oxford-12 Self Assessment Form6 weeks, 3 months, 1 year, 3 years, 5 years
Secondary Outcome Measures
NameTimeMethod
Incidence of revisions and removalsAny time
© Copyright 2025. All Rights Reserved by MedPath