Clinical Evaluation of Moment Tumor Hip Replacement Products

Inclusion Criteria:

* Adults of both sexes aged 18-79 years
* For patients with bone loss, fractures, pseudarthrosis due to primary-secondary metastases in the hip femoral region, patients belonging to one or more of the following groups
* Patients with or with bone resections due to infection
* Patients with unsuccessful femoral component applications
* Patients in need of long-term stabilization of major bone defects caused by fractures with major and irreversible bone loss, periprosthetic fractures, traumatic non-tumor conditions affecting the trunks of the long bones, and comminuted fractures
* Patients with severe pain and loss of function in the proximal femoral region
* Patients with incompetence of the upper end of the femur or femoral neck fracture in hip replacement revisions.
* Have sufficient mental and physical capacity to sign the informed consent form for the procedure

Exclusion Criteria:

* Be under the age of 18 and over the age of 79
* Pregnancy
* Breastfeeding
* Patients with bone tumors near the implant
* Patients with acute or chronic infections (local or systemic) that reduce the adhesion resistance of the implant.
* Patients with defective bone structures that may prevent proper fixation of the implant and severe deterioration or axial deviation affecting bone quality
* Patients with inadequate bone quantity and quality as a result of osteoporosis
* Patients with underdeveloped skeletal structure
* Patients with vascular and neuromuscular disorders or muscular dystrophy and advanced muscle atrophy
* Patients with impaired blood flow caused by vascular changes due to previous surgical procedure, alcohol use, etc.
* Patients with more than expected implant overload due to obesity and/or vigorous physical activity or strain (such as sports, activities requiring physical activity)
* Patients with inflammatory degenerative joint disease
* Patients with pathologies that prevent surgical intervention
* Patients whose general condition is not good and who cannot handle anesthesia
* Patients who are uncoordinated or unwilling to operate, or who cannot follow instructions
* Patients with mental retardation who do not or cannot comply with post-operative care instructions
* Patients with neuropathic osteoarthropathy (charcot joint) joint disease
* Patients with multiple organ failure
* Patients with sepsis
* Patients with syndromes or concomitant diseases that may adversely affect the evaluation of patients due to its systematic involvement.
* Patients whose follow-up is not clinically or ethically appropriate due to complications that may develop during the study