Technical note: An augmented reality system for total hip arthroplasty

Javad Fotouhi; Clayton P. Alexander; Mathias Unberath; Giacomo Taylor; Sing Chun Lee; Bernhard Fuerst; M. D. Alex Johnson; M. D. Greg Osgood; Russell H. Taylor; Harpal Khanuja; Nassir Navab; Mehran Armand

doi:10.1117/12.2322399

Technical note: An augmented reality system for total hip arthroplasty

Javad Fotouhi, Clayton P. Alexander, Mathias Unberath, Giacomo Taylor, Sing Chun Lee, Bernhard Fuerst, M. D. Alex Johnson, M. D. Greg Osgood, Russell H. Taylor, Harpal Khanuja, Nassir Navab, Mehran Armand

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Proper implant alignment is a critical step in total hip arthroplasty (THA) procedures. In current practice, correct alignment of the acetabular cup is verified in C-Arm X-ray images that are acquired in an anteriorposterior (AP) view. Favorable surgical outcome is, therefore, heavily dependent on the surgeon's experience in understanding the 3D orientation of a hemispheric implant from 2D AP projection images. This work proposes an easy to use intra-operative component planning system based on two C-Arm X-ray images that is combined with 3D augmented reality (AR) visualization that simplifies impactor and cup placement according to the planning by providing a real-Time RGBD data overlay. We evaluate the feasibility of our system in a user study comprising four orthopedic surgeons at the Johns Hopkins Hospital, and also report errors in translation, anteversion, and abduction as low as 1.98 mm, 1.10°, and 0.53°, respectively. The promising performance of this AR solution shows that deploying this system could eliminate the need for excessive radiation, simplify the intervention, and enable reproducibly accurate placement of acetabular implants.

Original language	English (US)
Title of host publication	Medical Imaging 2018
Subtitle of host publication	Image-Guided Procedures, Robotic Interventions, and Modeling
Editors	Baowei Fei, Robert J. Webster
Publisher	SPIE
ISBN (Electronic)	9781510616417
DOIs	https://doi.org/10.1117/12.2322399
State	Published - 2018
Event	Medical Imaging 2018: Image-Guided Procedures, Robotic Interventions, and Modeling - Houston, United States Duration: Feb 12 2018 → Feb 15 2018

Publication series

Name	Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume	10576
ISSN (Print)	1605-7422

Other

Other	Medical Imaging 2018: Image-Guided Procedures, Robotic Interventions, and Modeling
Country/Territory	United States
City	Houston
Period	2/12/18 → 2/15/18

Keywords

Augmented reality
Intra-operative planning
RGBD camera
Total hip arthroplasty Nassir Navab and Mehran Armand are joint senior authors
X-ray

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Radiology Nuclear Medicine and imaging
Biomaterials

Access to Document

10.1117/12.2322399

Cite this

Fotouhi, J., Alexander, C. P., Unberath, M., Taylor, G., Lee, S. C., Fuerst, B., Alex Johnson, M. D., Greg Osgood, M. D., Taylor, R. H., Khanuja, H., Navab, N., & Armand, M. (2018). Technical note: An augmented reality system for total hip arthroplasty. In B. Fei, & R. J. Webster (Eds.), Medical Imaging 2018: Image-Guided Procedures, Robotic Interventions, and Modeling Article 105760J (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 10576). SPIE. https://doi.org/10.1117/12.2322399

Technical note: An augmented reality system for total hip arthroplasty. / Fotouhi, Javad; Alexander, Clayton P.; Unberath, Mathias et al.
Medical Imaging 2018: Image-Guided Procedures, Robotic Interventions, and Modeling. ed. / Baowei Fei; Robert J. Webster. SPIE, 2018. 105760J (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 10576).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Fotouhi, J, Alexander, CP, Unberath, M, Taylor, G, Lee, SC, Fuerst, B, Alex Johnson, MD, Greg Osgood, MD , Taylor, RH , Khanuja, H, Navab, N & Armand, M 2018, Technical note: An augmented reality system for total hip arthroplasty. in B Fei & RJ Webster (eds), Medical Imaging 2018: Image-Guided Procedures, Robotic Interventions, and Modeling., 105760J, Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 10576, SPIE, Medical Imaging 2018: Image-Guided Procedures, Robotic Interventions, and Modeling, Houston, United States, 2/12/18. https://doi.org/10.1117/12.2322399

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abstract = "Proper implant alignment is a critical step in total hip arthroplasty (THA) procedures. In current practice, correct alignment of the acetabular cup is verified in C-Arm X-ray images that are acquired in an anteriorposterior (AP) view. Favorable surgical outcome is, therefore, heavily dependent on the surgeon's experience in understanding the 3D orientation of a hemispheric implant from 2D AP projection images. This work proposes an easy to use intra-operative component planning system based on two C-Arm X-ray images that is combined with 3D augmented reality (AR) visualization that simplifies impactor and cup placement according to the planning by providing a real-Time RGBD data overlay. We evaluate the feasibility of our system in a user study comprising four orthopedic surgeons at the Johns Hopkins Hospital, and also report errors in translation, anteversion, and abduction as low as 1.98 mm, 1.10°, and 0.53°, respectively. The promising performance of this AR solution shows that deploying this system could eliminate the need for excessive radiation, simplify the intervention, and enable reproducibly accurate placement of acetabular implants.",

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AB - Proper implant alignment is a critical step in total hip arthroplasty (THA) procedures. In current practice, correct alignment of the acetabular cup is verified in C-Arm X-ray images that are acquired in an anteriorposterior (AP) view. Favorable surgical outcome is, therefore, heavily dependent on the surgeon's experience in understanding the 3D orientation of a hemispheric implant from 2D AP projection images. This work proposes an easy to use intra-operative component planning system based on two C-Arm X-ray images that is combined with 3D augmented reality (AR) visualization that simplifies impactor and cup placement according to the planning by providing a real-Time RGBD data overlay. We evaluate the feasibility of our system in a user study comprising four orthopedic surgeons at the Johns Hopkins Hospital, and also report errors in translation, anteversion, and abduction as low as 1.98 mm, 1.10°, and 0.53°, respectively. The promising performance of this AR solution shows that deploying this system could eliminate the need for excessive radiation, simplify the intervention, and enable reproducibly accurate placement of acetabular implants.

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Technical note: An augmented reality system for total hip arthroplasty

Abstract

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Keywords

ASJC Scopus subject areas

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