Biological acetabulum part reconstruction prosthesis for treating hip joint dysplasia
A dysplasia, bio-based technology, applied in the direction of hip joints, joint implants, joint implants, etc., can solve the problems of high surgical complication rate, easy recurrence, and inapplicability to patients with early mild dysplasia
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Embodiment 1
[0017] Embodiment 1 provides a biological partial acetabular reconstruction prosthesis for treating dysplasia of the hip joint, and its structure will be described in detail below.
[0018] refer to figure 1 with figure 2 , the bio-type acetabular partial reconstruction prosthesis includes a specific base 1 and an articular surface coating 2 .
[0019] The upper end of the specific base 1 is pointed and small, the lower end is thick, and the shape is dome-shaped, including the acetabular contact surface 11, soft tissue contact surface 12 and femoral head joint surface 13, the acetabular contact surface 11 and the soft tissue The contact surface 12 surrounds the side surfaces of the specific base 1, and the femoral head articulation surface 13 constitutes the bottom surface of the specific base 1;
[0020] Described specific base 1 is matched with patient's femoral head 100 and acetabulum 200, and can according to the case of individuation, the femoral head joint surface 13 ...
Embodiment 2
[0034] Embodiment 2 provides a method for partial joint replacement prosthesis, using the biological acetabular partial reconstruction prosthesis provided in Embodiment 1 for the treatment of hip joint dysplasia, the method includes the following steps:
[0035] Step S1: Obtain volumetric examination data such as computed tomography (CT for short) or Magnetic Resonance Imaging (MRI for short) of the hip joint on the affected side and the healthy side of the patient before operation;
[0036] Step S2: Preoperative computer reconstruction of the developmental shape of the acetabulum 200, design of a specific base 1 that matches the patient's femoral head 100 and acetabulum 200, or a patient-specific 3D printed custom prosthesis;
[0037] Step S3: Carry out preoperative planning according to the shape of the prosthesis, design the position of the prosthesis, determine the amount of soft tissue retention, etc.;
[0038] Step S4: performing an operation on the patient's acetabulum ...
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