Robotic arm-assisted unicompartmental knee arthroplasty: preoperative planning and surgical technique

The goals of computer-assisted surgery (CAS) are to be patient-specific, minimally invasive, and quantitative. CAS can involve preoperative imaging and planning, intraoperative execution, and postoperative evaluation. Ideally, these components are integrated such that sophisticated diagnostic techno...

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Bibliographic Details
Published in:The American journal of orthopedics (Belle Mead, N.J.) Vol. 38; no. 2 Suppl; p. 10
Main Authors: Roche, Martin, O'Loughlin, Padhraig F, Kendoff, Daniel, Musahl, Volker, Pearle, Andrew D
Format: Journal Article
Language:English
Published: United States 01.02.2009
Subjects:
Arthroplasty, Replacement, Knee - instrumentation
Arthroplasty, Replacement, Knee - methods
Humans
Knee Joint - surgery
Minimally Invasive Surgical Procedures
Orthopedic Equipment
Orthopedics - methods
Patient Care Planning - organization & administration
Preoperative Care - methods
Robotics
Surgery, Computer-Assisted
Treatment Outcome
ISSN:1934-3418, 1934-3418
Online Access:Get more information
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Summary:The goals of computer-assisted surgery (CAS) are to be patient-specific, minimally invasive, and quantitative. CAS can involve preoperative imaging and planning, intraoperative execution, and postoperative evaluation. Ideally, these components are integrated such that sophisticated diagnostic technologies are used to inform a patient-specific surgical plan. A recently developed CAS/robotic system has the potential to improve alignment in and results of unicompartmental knee arthroplasty. This new robot is "semiactive"; that is, the surgeon retains ultimate control of the procedure while benefiting from robotic guidance within target zones and boundaries. Surgeons who use the robotic arm-assisted technique described in this article can prepare and then precisely execute a patient-specific computed-tomography-based operative plan. The surgical field is predefined, and the active constraints used by the robotic arm eliminate inadvertent deviation outside this field, thus minimizing iatrogenic morbidity and maximizing bone preservation. In this article, we detail the preoperative planning and intraoperative technique for robotic arm-assisted unicompartmental knee arthroplasty.
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ISSN:1934-3418
1934-3418