Designing method and manufacturing method of knee joint femoral prosthesis used for total knee arthroplasty
A femoral prosthesis and total knee replacement technology, applied in the field of total knee replacement, can solve the problems of prosthesis wear, shortened service life, incomplete coverage of the prosthesis, etc., and achieve the effect of improving matching and short processing cycle
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[0035] refer to figure 1 Shown, present embodiment is used for the design method of the knee joint femoral prosthesis of total knee arthroplasty, comprises the following steps:
[0036] 1. Based on the CT tomographic scan data of normal Chinese medical images in DICOM format, using the medical imaging software Mimics10.01, according to the characteristics of different gray levels of soft tissues and bones in the image, the image is segmented and repaired, and then three-dimensional reconstruction is carried out. structure, establish a digital model of the femoral bone of the knee joint, and output it as a PLY format file;
[0037] 2. Import the PLY file of the femoral bone model into the Geomagic Studio software, first establish the mechanical axis of the femur, and then find the surgical epicondyle line of the femur on the vertical plane of the mechanical axis, take the mechanical axis of the bone as the Z axis, and the surgical epicondyle line as X axis, establish a three-d...
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