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Three-dimensional (3D)-printed guide plates significantly reduce surgical time and radiation exposure for complex elbow fractures. This innovation enhances surgical efficiency and safety without affecting elbow joint range of motion (ROM).

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Area of Science:

  • Orthopedic surgery
  • Biomedical engineering
  • Medical device innovation

Background:

  • Three-dimensional (3D)-printed guide plates aid in positioning the rotation axis for external fixators in complex elbow injuries.
  • Previous studies indicate the safety and effectiveness of these guides.

Purpose of the Study:

  • To compare surgical outcomes between patients with and without 3D-printed guide plate-assisted rotation axis positioning.
  • To evaluate the impact on pin placement time, fluoroscopic exposure, and elbow range of motion (ROM).

Main Methods:

  • A comparative study involving 20 patients with complex elbow fracture dislocations or post-traumatic elbow stiffness (PTES).
  • Patients were divided into a free-hand group (n=10) and a guide template group (n=10).
  • Injuries included varus posteromedial rotatory instability (VPMRI), terrible triad injury (TTI), and PTES.

Main Results:

  • The guide template group showed significantly shorter pin placement times (6.80±1.32 min vs 26.00±9.44 min, P<0.0001).
  • Fewer fluoroscopic exposures were recorded in the guide template group (3.60±1.27 vs 41.90±14.80, P<0.0001).
  • Elbow joint ROM was comparable between groups (137.40±4.40° vs 132.60±6.48°, P=0.069).

Conclusions:

  • 3D-printed guide templates significantly decrease pin placement time and fluoroscopic exposure.
  • These guides enhance surgical efficiency and safety in complex elbow injury treatment.
  • The use of 3D-printed guides does not compromise postoperative elbow joint ROM.