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Proceedings Article

3D optical imagery for motion compensation in a limb ultrasound system

[+] Author Affiliations
Bryan J. Ranger, Hugh M. Herr

Harvard-MIT Health Sciences and Technology Program (United States)

Micha Feigin, Xiang Zhang, Al Mireault, Ramesh Raskar, Brian W. Anthony

Massachusetts Institute of Technology (United States)

Proc. SPIE 9790, Medical Imaging 2016: Ultrasonic Imaging and Tomography, 97900R (April 1, 2016); doi:10.1117/12.2218386
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From Conference Volume 9790

  • Medical Imaging 2016: Ultrasonic Imaging and Tomography
  • Neb Duric; Brecht Heyde
  • San Diego, California, United States | February 27, 2016

abstract

Conventional processes for prosthetic socket fabrication are heavily subjective, often resulting in an interface to the human body that is neither comfortable nor completely functional. With nearly 100% of amputees reporting that they experience discomfort with the wearing of their prosthetic limb, designing an effective interface to the body can significantly affect quality of life and future health outcomes. Active research in medical imaging and biomechanical tissue modeling of residual limbs has led to significant advances in computer aided prosthetic socket design, demonstrating an interest in moving toward more quantifiable processes that are still patient-specific. In our work, medical ultrasonography is being pursued to acquire data that may quantify and improve the design process and fabrication of prosthetic sockets while greatly reducing cost compared to an MRI-based framework. This paper presents a prototype limb imaging system that uses a medical ultrasound probe, mounted to a mechanical positioning system and submerged in a water bath. The limb imaging is combined with three-dimensional optical imaging for motion compensation. Images are collected circumferentially around the limb and combined into cross-sectional axial image slices, resulting in a compound image that shows tissue distributions and anatomical boundaries similar to magnetic resonance imaging. In this paper we provide a progress update on our system development, along with preliminary results as we move toward full volumetric imaging of residual limbs for prosthetic socket design. This demonstrates a novel multi-modal approach to residual limb imaging. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Bryan J. Ranger ; Micha Feigin ; Xiang Zhang ; Al Mireault ; Ramesh Raskar, et al.
" 3D optical imagery for motion compensation in a limb ultrasound system ", Proc. SPIE 9790, Medical Imaging 2016: Ultrasonic Imaging and Tomography, 97900R (April 1, 2016); doi:10.1117/12.2218386; http://dx.doi.org/10.1117/12.2218386


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