FindTrial
Sign In

Mechanical effects of variable bolt position of FNS implant on Pauwels type III fractures with superior femoral neck bone defect: finite element analysis-mechanical testing

Mechanical effects of variable bolt position of FNS implant on Pauwels type III fractures with superior femoral neck bone defect: finite element analysis-mechanical testing

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500102919
Enrollment
Unknown
Registered
2025-05-21
Start date
2025-03-01
Completion date
Unknown
Last updated
2025-05-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

subtrochanteric fractures of the femur

Interventions

Group 1:The sliding rod of the Femoral Neck System (FNS) is positioned at the central axis of the femoral neck.
Group 2:The sliding rod of the Femoral Neck System (FNS) is positioned at the inferior aspect of the femoral neck.

Sponsors

The Second Affiliated Hospital of Xuzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: History of femoral fracture/trauma History of degenerative femoral diseases History of tumors/malignant tumors

Exclusion criteria

Exclusion criteria: Individuals aged under 18 or over 40, with delayed growth or deformities, a history of fractures, osteoporosis, prior ovarian or uterine surgery, or any condition affecting bone mineral density.

Design outcomes

Primary

MeasureTime frame
Von Mises Stress;—

Countries

China

Contacts

Public ContactZiqiang Zhu

The Second Affiliated Hospital of Xuzhou Medical University

zhuziiq@163.com+86 181 5188 6372

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026