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Development of a new three-dimensional cranial imaging system.

Timothy R Littlefield¹, Kevin M Kelly, Jennifer C Cherney

¹Cranial Technologies, Inc, Tempe, Arizona 85284, USA. littlefield@cranialtech.com

The Journal of Craniofacial Surgery

|January 6, 2004

Summary

A new 3D imaging system offers a safe and accurate digital alternative to plaster casting for infant cranial measurements. This technology aids in fabricating cranial remodeling bands and has research potential for plagiocephaly studies.

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Area of Science:

Biomedical Engineering
Medical Imaging
Pediatric Orthopedics

Background:

Manual plaster casting is the current method for cranial remodeling band fabrication.
This technique is time-consuming and may lack precision.
A need exists for a more efficient and accurate digital method.

Purpose of the Study:

To describe a novel three-dimensional (3D) imaging system for infant craniums.
To evaluate the system's accuracy and safety compared to existing methods.
To highlight the system's potential clinical, manufacturing, and research applications.

Main Methods:

The system utilizes 18 digital cameras and infrared pattern projection for 360-degree cranial imaging.
Images are captured instantaneously (0.008 seconds) and processed within minutes.

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Accuracy is validated against high-precision inspection equipment; safety is assessed per established guidelines.

Main Results:

The 3D imaging system achieved an accuracy of +/-0.236 mm.
Image acquisition is rapid, with processing completed in under 2.5 minutes.
Hazard analysis confirmed the system's safety for direct, continuous exposure.

Conclusions:

The cranial imaging system provides a safe and accurate digital 3D representation of infant craniums.
It offers significant advantages over manual casting for cranial band fabrication.
The system holds potential as a valuable research tool for plagiocephaly studies.