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CompletedNCT07534904Updated Apr 16, 2026

Development and Clinical Evaluation of a Novel Hollow Cusp Fracture Reducer for Femoral Shaft and Patellar Fractures

An observational study in Femoral Shaft Fractures and Patellar Fractures, Knee Fractures and Femoral Fractures, sponsored by Hanzhong Central Hospital. Completed at 1 site in China. Open to participants aged 30 Years to 60 Years. Per ClinicalTrials.gov, last updated 2026-04-16.

Sponsored by Hanzhong Central Hospital · Observational

Study type
Observational
Model
Case-control
Time perspective
Other
Enrollment
142
Ages
30 Years to 60 Years
Sex
All
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Study summary

This study aimed to develop and clinically evaluate a novel hollow cusp fracture reducer for enhancing the precision and efficiency of closed reduction and internal fixation in patients with femoral shaft fractures and patellar fractures. A prospective randomized controlled trial was conducted at Hanzhong Central Hospital between January 2020 and January 2023. A total of 142 patients were randomly assigned to either the experimental group treated with the novel reduction device or the control group undergoing conventional manual reduction. Primary outcome measures included operative time, number of fluoroscopic images, and K-wire insertion success rate. Secondary outcomes consisted of intraoperative blood loss, length of hospital stay, fracture healing time, and postoperative complication rate. Compared with the conventional technique, the novel hollow cusp fracture reducer significantly shortened operative time and reduced the frequency of intraoperative fluoroscopy, while markedly improving the accuracy of K-wire placement. Fracture healing was also accelerated in the device group. Complication rates were comparable or lower in the experimental group. The novel hollow cusp fracture reducer is safe and effective. It improves the accuracy and efficiency of fracture reduction, lowers radiation exposure, and facilitates earlier postoperative recovery. This device demonstrates high clinical value for the minimally invasive treatment of femoral shaft and patellar fractures.

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Conditions studied

  • Femoral Shaft Fractures and Patellar Fractures
  • Knee Fractures
  • Femoral Fractures

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03

In context

Femoral Fractures

293 studies on the registry are indexed under Femoral Fractures; 47 are open to participants now.

This study's enrollment of 142 is above the median of 100 across 96 observational studies indexed under Femoral Fractures.

Browse Femoral Fractures studies →

Lead sponsor

This is the only study on the registry with Hanzhong Central Hospital as lead sponsor.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
30 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

A total of 142 patients were included, with 71 patients in each group. Baseline characteristics, including age, sex, BMI, fracture type, injury mechanism, and time from injury to surgery, were well balanced between groups (P > 0.05).

Inclusion criteria

  • Age \< 60 years.
  • Acute traumatic femoral shaft fracture or patellar fracture (AO/OTA classification)
  • Underwent closed reduction and internal fixation within 7 days of injury
  • Complete clinical and radiological follow-up data.

Exclusion criteria

Exclusion Criteria:

  • Pathological, infected, or tuberculous fracture.
  • Severe osteoporosis or metabolic bone disease.
  • Open fractures, multiple fractures, or severe combined injuries.
  • Severe cardiac, hepatic, renal, or hematological comorbidities.
  • Patients who declined participation.
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Study design

Observational model
Case-control
Time perspective
Other
Enrollment
142 participants (actual)
Target follow-up
06 Weeks
Patient registry
Yes
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What researchers measure

Primary outcomes

  1. Surgical time

    Time frame: "From enrollment to the end of treatment at 6 weeks"

  2. Intraoperative bleeding

    Time frame: "From enrollment to the end of treatment at 6 weeks

  3. Number of C arm fluoroscopies

    Time frame: From enrollment to the end of treatment at 6 weeks

  4. Needle insertion success

    Time frame: From enrollment to the end of treatment at 6 weeks

  5. Success

    Time frame: From enrollment to the end of treatment at 6 weeks

  6. Overall complication rate

    Time frame: "From enrollment to the end of treatment at 6 weeks

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Study locations

1 site
  • Hanzhong Central Hospital
    Hanzhong, Shaanxi 723000, China
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 16, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07534904
Lead sponsor
Hanzhong Central Hospital
Responsible party
Yadong Zhang (Doctor, Hanzhong Central Hospital) — Principal investigator
First posted
Apr 16, 2026
Start date
Jan 1, 2020
Primary completion
Jan 1, 2023
Completion
Aug 1, 2025
Last update
Apr 16, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Oct 2025. You cannot join it, but the record below documents what was studied.

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