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Customized 3-Dimensional-Printed Finger Splints for Mallet Finger.

Chih-Chun Hou1, Chin-Chieh Yi2, Chien-Wei Wu1

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Annals of Plastic Surgery
|February 25, 2025
PubMed
Summary
This summary is machine-generated.

Customized 3D-printed finger splints offer a more comfortable and better-fitting treatment for mallet finger injuries. While not significantly improving success rates, they enhance patient compliance and wearing comfort compared to traditional splints.

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Area of Science:

  • Orthopedics
  • Biomedical Engineering
  • Materials Science

Background:

  • Mallet finger injuries require effective immobilization for healing.
  • Traditional finger splints can present challenges in terms of comfort and fit.
  • Advancements in 3D printing offer potential for customized medical devices.

Purpose of the Study:

  • To evaluate the feasibility and effectiveness of customized 3D-printed finger splints.
  • To compare functional outcomes and patient satisfaction between traditional and 3D-printed splints for mallet finger treatment.

Main Methods:

  • Retrospective analysis of 21 patients with mallet finger.
  • Patients were divided into two groups: traditional splint (Group A) and customized 3D-printed splint (Group B).
  • Assessment of functional outcomes, treatment success rates, and patient satisfaction, including comfort and fit.

Main Results:

  • 3 patients in Group A failed treatment (2 required extended immobilization, 1 surgery).
  • 3 patients in Group B failed treatment, all receiving extended immobilization without surgery.
  • Group B patients reported significantly higher satisfaction regarding splint dimension and comfort.
  • No significant difference in overall treatment success rate between groups.

Conclusions:

  • Customized 3D-printed finger splints are a feasible and comfortable alternative for mallet finger treatment.
  • These splints significantly improve patient compliance and wearing experience.
  • While not altering success rates, 3D-printed splints enhance patient-reported outcomes in mallet finger management.