Implant based planning, digitizing, and registration for total joint arthroplasty

A method for revision of a total hip replacement (THR) for a patient comprising:

• performing an imaging scan of a bone with an installed implant;
• segmenting the installed implant and segmenting the bone outside the implant region;
• obtaining a 3D model based on the manufacturers specifications of the installed implant;
• registering the manufacturer's 3D model to the segmented implant to generate a transformation matrix thereof;
• applying the transformation matrix to a set of digital imaging and communications in medicine (DICOM) data of the patient;
• and
• revising the THR with one of a standard trochanteric osteotomy, a trochanteric slide osteotomy, or an extended trochanteric osteotomy to insert a new implant for the patient based on the DICOM data.

A surgical system, comprising:

• an input device capable of receiving data from an image of a bone with an installed prosthesis;
• a database containing three dimensional (3D) models and manufacturing specifications of the installed prosthesis;
• a computer processor unit (CPU) capable of:
• segmenting the installed prosthesis and segmenting the bone outside the prosthesis region, registering the manufacturer's 3D model to the segmented implant and generating a transformation matrix thereof;
• and a surgical tool which computes the transformation matrix from the implant to a set of digital imaging and communications in medicine (DICOM) data of the patient to perform a surgical procedure.