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Image Overlay: Surgical Navigational Systems of Tomorrow - PowerPoint PPT Presentation


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Image Overlay. The Surgical Navigational Systems of Tomorrow Presenter: Jeff Hsin. In what types of surgery are they used for?. Neurosurgery Orthopedics Microsurgery Obstetrics Plastic Surgery Numerous others…. Guidance with 3D images .

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Presentation Transcript
image overlay

Image Overlay

The Surgical Navigational Systems of Tomorrow

Presenter: Jeff Hsin

in what types of surgery are they used for
In what types of surgery are they used for?
  • Neurosurgery
  • Orthopedics
  • Microsurgery
  • Obstetrics
  • Plastic Surgery
  • Numerous others…
guidance with 3d images
Guidance with 3D images
  • A great deal of research has been invested in the possibility of using 3-D images of a particular surgical area in hopes to provide the surgeon with more surgical guidance.
format of 3 d image
Format of 3-D image:
  • View pre-operational 3-D images in the form of two-dimensional sectional images displayed away from the surgical area
present day techniques
Present Day Techniques
  • View the computer display showing the image
present day techniques6
Present Day Techniques
  • View the computer display showing the image
  • reconstruct and formulate the 3-D image in his head
present day techniques7
Present Day Techniques
  • View the computer display showing the image
  • reconstruct and formulate the 3-D image in his head
  • relate the 3-D image, now stored in his head, with the actual patient’s body when conducting the operation
why this needs to change
Why this needs to change.
  • The quality of reconstruction of the image in the surgeon’s mind is dependent upon his surgical experience as well as his anatomical knowledge.
why else does this need to change
Why Else Does This Need to Change?
  • Disruptive in the flow of surgery
  • Leaves room for considerable margins of error
what is it
What Is It?
  • A display technique that will superimpose computer-generated images over the surgeon’s direct view of the patient’s surgical area
computer graphics work station

Computer Graphics Work Station

Indiglo-II R10K, made by Silicon Graphics, Inc

position tracking system

Position Tracking System

OptoTrak 3020, By Northern Digital

present focus of image overlay
Present Focus of Image Overlay
  • Intra-operative guidance
  • Surgical education
intra operative guidance
Intra-operative guidance
  • placement of the acetabular and femoral prosthetic implant components during total hip replacement surgery
intra operative guidance20
Intra-operative guidance
  • placement of the acetabular and femoral prosthetic implant components during total hip replacement surgery
  • proper placement of screws or intramedullary rods in bone fragments
intra operative guidance21
Intra-operative guidance
  • Neurosurgical procedures.
obstacles to overcome
Obstacles to Overcome
  • Accuracy –detrimental without it.
obstacles to overcome24
Obstacles to Overcome
  • Accuracy –detrimental without it.
  • Spontaneous changes that occur in biological system. E.g. deformation of skin
obstacles to overcome25
Obstacles to Overcome
  • Accuracy –detrimental without it.
  • Spontaneous changes that occur in biological system. e.g. deformation of skin
  • Tracking of the eye
references
References
  • Blackwell M. Nikou C., DiGioia A, Kanade T: An Image Overlay System for Medical Data Visualization. Center For robotics and Computer Assisted Surgery, Carnegie Mellon University, Pittsburg, PA
  • Nakajima S., Orita S., Masamune K, Sakuma I, Dohi T, Nakamura K. Surgical Navigation System with Intuitive Three-Dimensional Display. Department of Biotechnology, Tokyo Denki University
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