Dual Mobility Hip System

Updated: 2026-07-31

Overview

The bipolar hip prosthesis system is an advanced orthopedic implant designed to replace damaged or diseased hip joints. Unlike traditional hip prostheses, this system incorporates a dual-motion mechanism, which mimics the natural movement of the hip joint. It consists of a femoral stem, a bipolar head, and an acetabular cup, all made from high-quality materials like titanium or cobalt-chromium alloys. The system is particularly beneficial for elderly patients or those with compromised bone quality, as it reduces the risk of dislocation and wear. Its design ensures greater stability and longevity, making it a preferred choice for surgeons in complex hip replacement cases.

Structure and Working Principle

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The bipolar hip prosthesis system features a unique two-layer articulation. The outer layer moves within the acetabular cup, while the inner layer articulates with the femoral stem. This dual-motion design distributes mechanical stress more evenly, reducing wear on the implant and surrounding bone. The femoral stem is inserted into the femur, providing a stable foundation. The bipolar head, attached to the stem, allows for smooth rotation. The acetabular cup, often lined with polyethylene, serves as the socket for the bipolar head. Together, these components restore near-natural hip function.

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Key Features

One of the standout features of the bipolar hip prosthesis system is its dual-motion capability, which enhances joint stability and reduces dislocation risks. The materials used, such as titanium and cobalt-chromium alloys, are biocompatible and highly durable, ensuring long-term performance. Another key feature is its modular design, which allows surgeons to customize the implant based on patient-specific anatomy. This adaptability improves surgical outcomes and patient satisfaction. Additionally, the system's low wear rate minimizes the need for revision surgeries.

Application Areas

The bipolar hip prosthesis system is primarily used in total hip arthroplasty for patients with severe hip joint damage. Common indications include osteoarthritis, rheumatoid arthritis, hip fractures, and avascular necrosis. It is also suitable for patients with poor bone quality or those who require revision surgeries. In B2B settings, the system is supplied to hospitals, orthopedic clinics, and surgical centers. Its versatility and reliability make it a popular choice among healthcare providers worldwide.

Maintenance and Precautions

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Proper maintenance of the bipolar hip prosthesis system begins with accurate implantation by a skilled surgeon. Postoperative care includes physical therapy to restore mobility and strength. Patients should avoid high-impact activities to prolong the implant's lifespan. Regular follow-ups with the surgeon are essential to monitor the implant's condition. Signs of infection or unusual pain should be reported immediately. For B2B buyers, ensuring proper sterilization and storage of the implants before use is crucial.

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B2B Procurement Guide

When procuring bipolar hip prosthesis systems, B2B buyers should prioritize quality and compliance with international standards like ISO 13485. Key factors to consider include the manufacturer's reputation, material certifications, and clinical success rates. It's advisable to request product samples and technical documentation for evaluation. Pricing can vary significantly based on material grade and customization options. Buyers should also consider after-sales support, including training for surgical teams and warranty terms.