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Computer Assisted Surgery Videos (Brainlab)
COMPUTER ASSISTED SURGERY FOR ORTHOPAEDIC PROCEDURES
Computer Assisted Surgery (CAS) technology allows the surgeon to
simultaneously visualize two- or three-dimensional views of the patient's
anatomy on a monitor, and provides real-time, intra-operative views of surgical
instruments and the relative digital positioning of implantable devices.
Most CAS systems obtain images prior to or during surgery using a variety of
diagnostic imaging modalities including CT, MR and fluoroscopy. These images are
often further processed to provide the surgeon with three-dimensional
intra-operative images of the patient's anatomy. Alternatively, in "imageless"
CAS systems, data points are harvested from the anatomy to create a 3-D bone
model. During the surgical procedure, fixed sensors are applied to the patient
and additional sensors are incorporated into the surgical instruments or
implants. These surgical navigation data points allow the surgeon to view the
precise angles and optimal positioning of the orthopaedic implant or the
relative trajectory of the medical device or tool, such as a drill. Via this
feedback, the surgeon is assisted in placing implants accurately and
consistently - important determinants of the long-term success of orthopaedic
procedures.
OVERVIEW & CLINICAL SUMMARY
The use of CAS in orthopaedic surgery can provide the surgeon with increased
anatomical measurement and better placement of orthopaedic implants, thereby
improving the accuracy and potentially reducing the invasiveness of these
procedures.
This overview discusses the various CAS systems and techniques, as well as the
application of navigation in selected orthopaedic procedures. It also provides a
brief summary of selected peer-reviewed published studies supporting the
effectiveness of Computer Assisted Surgery for orthopaedic procedures.
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