Page 3 - Orthofeed 2022_issue1_June

Orthofeed 2022, Edition 1 02

multiple oblique or curved osteotomy planes Conclusion
are challenging to perform without support AR has already been absorbed in many other
through surgical navigation.
fields of human endeavour and industry. It is
being tested and used in the field of surgery,
Arthroplasty - Exact implantation of the including orthopaedics, and has the potential of
prosthetic components with respect to the revolutionising the accuracy and ease of
patient’s anatomy is a main contributor to executing the surgical act.

successful outcomes, functional recovery, and
longevity in hip and knee arthroplasty.

References
Ogawa et al. performed 56 THAs in 54 patients
superimposing cup orientation through a 1. Casari FA, Navab N, Hruby LA, et al. Augmented Reality

smartphone into the surgical filed (group 1) in Orthopedic Surgery Is Emerging from Proof of Concept
and using a goniometer (group 2) for Towards Clinical Studies: a Literature Review Explaining
navigating placement and orientation of the the Technology and Current State of the Art. Curr Rev

acetabular cup component. 3 months after Musculoskelet Med. 2021;14:192–203.
implantation, navigation was significantly more
accurate in terms of radiographic anteversion
compared to the goniometer method. 2 2. Ogawa H, Hasegawa S, Tsukada S, Matsubara M. A

pilot study of augmented reality technology applied to the
Trauma - Accurate anatomic reduction of acetabular cup placement during total hip arthroplasty. J
orientation and movement in 3D space. fracture fragments and reduced radiation Arthroplast. 2018;33(6):1833-7.
exposure and operating time.
3. Visualization

Within the field of human-computer interaction, Orthopaedic Oncology - High surgical
augmented reality can be understood as a class accuracy and exact execution in maintaining
of displays. The fusion between artificial the safety margin required for sufficient
information and real-world images is performed tumour resection without excessive removal of

by either optical or video see-through techniques. functional tissue. These are crucial for patient
There are three main approaches to survival and optimal functional outcome.
implementing those displays: head-mounted
displays (HMD), monitors, and projectors.

Clinical Applications of AR in
Orthopaedics 1

Spine Surgery - Majority of AR applications in
spine surgery address the surgical navigation
of pedicle screw instrumentation.

Osteotomies - Precise surgical execution of
complex corrective osteotomies consisting of