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Preoperative Planning

    • AccuNavi-A incorporates advanced image and geometry processing algorithms kernel functionalities to make it possible to provide various pre-surgical simulation models from the original patient image data. This will give the surgeon an alternative to solve the unexpected problems in surgery. Furthermore the surgeon can alter the surgical planning at any time before surgery so as that the surgical navigation system can serve to guide the surgeon’s operation
    • ■ Multi DICOM datasets input and fusion
      ■ Fast Volume Rendering
      ■ Automatic and manual image segmentation
      ■ 2D distance and angle measurement and mask Boolean operations
      ■ Accurate 3D reconstruction and measurement
      ■ Model copying, mirroring, cutting, analyzing and merging
      ■ External STL format model input and alignment

3D Model Processing

    • ■ Mesh Error Cleaning
      ■ Copying
      ■ Mesh Cutting
      ■ Mirroring
      ■ Aligning
      ■ Merging
      ■ Analyzing
      ■ Model Transformation
      ■ Mesh Region Deleting
      ■ Model Simplification
      ■ Model Smoothing
  • Multiple STL Models Import & Export

    • ■ Import: There are no specific requirement on the size and quantity of external STL models. Imported models can be easily aligned with the planned model
      ■ Export: AccuNavi- A system can export accurate STL models supporting 3D printing

    Multi-modality Data Fusion

    • ■ Fusion between different images such as CT&MRI and CT&CT for the same patient
      ■ Auto registration between preoperative and postoperative model for the same patient to achieve a postoperative evaluation

    Segmentation Techniques

    • ■ Fusion between different images such as CT&MRI and CT&CT for the same patient
      ■ Auto registration between preoperative and postoperative model for the same patient to achieve a postoperative evaluation

 

  • Intraoperative Navigation

    • AccuNavi-A provides a full set of tools that bring your pre-surgical simulation into reality
      ■ Easy fast fiducial marker and surface registration
      ■ Real-time probe and surgical tool tracking visualization
      ■ On-site probe and surgical tool tracking verification
      ■ Multi-form surgical tool adaptation and calibration
      ■ Tracked tool accuracy monitoring
      ■ Registration restoration
  • Original and customized lower jaw surgical navigation tools and operation procedure. Photos attached.

AccNavi-A can deal with plastic reconstructive surgery, TMJ surgery, orthognathic surgery, oral-maxillofacial injury surgery, temporal surgery with complex structure, restoration surgery of eye socket and midface, zygomatic arch surgery, bone grafts, reshaping surgery, etc. AccNavi-A navigation system has been applied in over 2000 clinical cases.

  • Congenital Mandibular Deformities
  • Mandibular Plastic Surgery
  • Fractures
  • Temporomandibular Joint Ankylosis
  • Skull Defect
  • Zygomatic Arch Surgery
  • Foreign Bodies
  • Bone Grafts
  • Craniofacial Fibrous Dysplasia

CASE 1

■ Patient's condition: inverted supernumerary teeth at the palatal side of the maxillary anterior teeth

 
  • Supernumerary teeth (in blue)
  • Navigation plan: navigate and locate the position of supernumerary teeth
  • On - site operation: Equipment placement and navigation
  • Registration: Point registration, use probe to select the specific point one by one. Current choice - maxillary teeth
  • Start navigation: The screen shows that the probe finds the location of supernumerary teeth
  • Successfully removed

CASE 2

■ Patient's condition: Ankylosis of bilateral temporomandibular joint

 
Skull model
Ankylosis region (in red) plan: Remove joint adhesion area and the coracoid
Translucent display
Simulation of postoperative effect
  • Measure of bone removal area
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  • On-site operation:
    Equipment placement and navigation
  • Start navigation:
    Determine the osteotomy line ( margo superior )
  • Start navigation:
    Determine the osteotomy line ( margo inferior )
  • On - site operation:
    Mark the osteotomy area with a drill bit
  • Cut the bone and enlarge the gap
  • Start navigation:The patient's left navigation is the same as the contralateral side

Add:Room 1701,No.1403 Minsheng Road,Pudong,Shanghai,China

Tel:+86 21 33927703   Fax:+86 21 33927715

Email:info@ueg.cn    Zip:200135

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