@inproceedings{c73549bbc6654d3d8fc1d195b4ee9508,
title = "Infrared image-guidance for intraoperative assessment of limb length discrepancy during total hip arthroplasty procedures",
abstract = "During total hip arthroplasty (THA) procedures, orthopedic surgeons rely on visual and tactile cues to minimize the risk of a limb length discrepancy (LLD) arising from improper implant placement and selection. This paper outlines a novel application of a commercial infrared (IR) motion controller, Leap Motion, to function as an optical tracker of LLD. Additionally, a custom benchtop testing model was used to evaluate accuracy and precision of this commercial IR motion controller against a custom-built IR stereo vision camera. This paper includes a discussion of the algorithms and infrared technology used to image and localize points. The novel design discussed in this paper has clinical applications for a custom-built IR stereo vision setup that will be positioned above the incision site during a THA procedure. Accompanying this solution concept is a fiducial with IR-visible landmarks for quick and accurate point selection and a software algorithm that measures changes between pre- and post-operative leg length.",
keywords = "Image-guided surgery, Infrared imaging, Intraoperative, Leg length, Leg length discrepancy, Orthopedic surgery, Stereo vision, Total hip arthroplasty",
author = "Jerry Yan and Akash Chaurasia and Hannah Takasuka and Aditi Jithendra and Claire State and Kathleen Mccarren and Robert Li and Evan Bender and Matthew Hill and Thomas Benassi and Julius Oni and Amir Manbachi",
note = "Funding Information: We thank Dr. Adam Levin (Johns Hopkins Hospital), Dr. Robert Sterling (Johns Hopkins Hospital), Dr. Jeffrey H. Siewerdsen (Johns Hopkins University), Derek Lewis (Checkpoint Surgical), Megan Callanan (Stryker), Tom Benassi (Johns Hopkins University), Matthew Hill (Ethicon, Inc.), Sarah Lee (Johns Hopkins University), and Carol Wosiack (CI&T) for their expert advice. This work was supported by the undergraduate biomedical engineering Design Team Program at Johns Hopkins University. Publisher Copyright: {\textcopyright} 2020 SPIE.; Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling ; Conference date: 16-02-2020 Through 19-02-2020",
year = "2020",
doi = "10.1117/12.2548860",
language = "English (US)",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Baowei Fei and Linte, {Cristian A.}",
booktitle = "Medical Imaging 2020",
}