Cemented Acetabular Cup

Description

The Cemented Acetabular Cup is a foundational component for total hip replacement (THR), specifically designed for cases where bone quality or acetabular morphology necessitates the use of bone cement for fixation. This cup serves as the bearing surface within the pelvic socket, providing a stable, low-friction interface for the articulating femoral head. Unlike press-fit components, the cemented cup relies on a precise “interlocking” mechanism with a polymethylmethacrylate (PMMA) cement mantle to achieve immediate and long-lasting stability.

Manufactured from premium, medical-grade Ultra-High-Molecular-Weight Polyethylene (UHMWPE), the cup is engineered to withstand high physiological loads while maintaining a low wear rate. Its external surface is characterized by a series of strategically placed grooves or spacers, which ensure a uniform and circumferential cement thickness—a critical factor in preventing aseptic loosening and ensuring high long-term survivorship.

Key Features & Benefits

• Optimized Cement Interlocking: The external surface features a specialized texture or deep-groove geometry that maximizes the surface area for cement bonding, creating a robust mechanical bridge between the implant and the bone.

• High-Performance UHMWPE: Built from high-density polyethylene to provide a resilient, shock-absorbing bearing surface that mimics natural joint mechanics and reduces frictional torque.

• Integrated X-Ray Markers: Equipped with a stainless steel radiographic wire, allowing surgeons to accurately assess cup orientation, inclination, and position on post-operative X-rays.

• Uniform Mantle Control: Many variants include integrated spacers that prevent the cup from “bottoming out” against the bone, ensuring a consistent 2-3mm cement mantle for optimal stress distribution.

• Low-Profile Design: Precision-machined to ensure a secure fit within the acetabular cavity while preserving as much of the patient’s natural bone stock as possible.

Primary Clinical Applications

• Geriatric Total Hip Arthroplasty: The gold standard for elderly patients with osteoporotic bone (Dorr Type C), where a cemented interface provides more reliable primary stability than a press-fit shell.

• Post-Traumatic Reconstruction: Ideal for hip replacements following complex acetabular fractures where the bone surface is too irregular for a cementless component.

• Irradiated Bone Management: A preferred choice for patients with a history of pelvic radiation, where biological bone ingrowth into cementless surfaces may be compromised.

• Primary THR for Low-Demand Patients: Offers a cost-effective and clinically proven solution with a long history of successful long-term outcomes.

Buy Cemented Acetabular Cups Online

Equip your orthopedic department with a time-tested solution for pelvic reconstruction. Our cemented acetabular cups provide the mechanical reliability and surgical simplicity required for successful hip replacement in challenging bone conditions. Available in a wide range of outer diameters to ensure a precise fit for every patient’s unique anatomy.