PATIENT SPECIFIC INSTRUMENTATION (PSI) FOR ORTHOPEDIC SURGERY AND SYSTEMS AND METHODS FOR USING X-RAYS TO PRODUCE SAME

  • US 20180193035A1
  • Filed: 03/08/2018
  • Published: 07/12/2018
  • Est. Priority Date: 09/25/2013
  • Status: Active Grant
First Claim
Patent Images

1. A patient specific instrument for positioning a surgical guide on a bone during knee replacement surgery, the patient specific instrument being formed based on a digital bone model generated using at least two two-dimensional X-ray scans taken from different angular positions, the patient specific instrument comprising:

  • a body having fastener guide holes, the fastener guide holes adapted to receive fasteners therein used to fasten the surgical guide to the bone; and

    one or more anchor elements on the body adapted to abut one or more surfaces of the bone, the anchor elements being disposed in locations on the body of the patient specific instrument overlying a peripheral bone contour of the bone in at least one of the two-dimensional X-ray scans, said locations and the peripheral bone contour corresponding to areas of expected high accuracy on the digital bone model generated by the two-dimensional X-ray scans.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×