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Auditory feedback to support image-guided medical needle placement.
David Black1,2,3, Julian Hettig4, Maria Luz4
1Jacobs University, Bremen, Germany. david.black@mevis.fraunhofer.de.
International Journal of Computer Assisted Radiology and Surgery
|February 19, 2017
Summary
This study explored auditory feedback for image-guided needle placement. Combined audiovisual feedback matched visual-only performance while reducing screen reliance, suggesting potential for enhanced medical interventions.
Area of Science:
- Medical Imaging
- Human-Computer Interaction
- Surgical Navigation
Background:
- Image-guided navigation systems are crucial for medical procedures like needle placement.
- Clinicians often face high visual cognitive load when relying on screen-based feedback.
Purpose of the Study:
- To develop and evaluate an auditory feedback method for navigated needle placement.
- To reduce clinician's visual dependence on screens during medical procedures.
Main Methods:
- An auditory synthesis model was created using pitch and stereo panning.
- This model was tested as a standalone or supplementary feedback system.
- Novice participants compared auditory, audiovisual, and visual-only feedback methods.
Main Results:
- Combined audiovisual feedback yielded comparable task completion times, workload, and accuracy to visual-only methods.
- Audiovisual feedback significantly reduced screen viewing time.
- Purely auditory feedback resulted in longer task times and higher workload.
Conclusions:
- Audiovisual feedback shows promise for navigated interventions, potentially improving clinician focus.
- This approach can supplement visual information, especially when direct patient viewing is critical.
- Further application in navigated interventions requiring enhanced visual attention is recommended.
