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Modern implants utilize advanced bearing surfaces like ceramic-on-ceramic or ceramic-on-polyethylene, which are highly wear-resistant. This greatly extends the implant's lifespan and reduces the long-term risk of revision surgery.
The product portfolio covers both hemiarthroplasty (replacing only the femoral head) and total hip replacement (replacing both the femoral head and acetabulum).


Through a modular model design system, surgeons can tailor the procedure for each patient like "assembling parts" for optimal fit and function.
Each product has a clear matching list that strictly defines which models of femoral heads, stems, acetabular cups, and liners can be safely combined.
| Hip Joint System | Introduction |
|---|---|
| Acetabular Cup | Implanted into the pelvis to replace damaged articular cartilage and bone. Typically porous metal (titanium) to encourage bone growth (osseointegration). |
| Acetabular Liner | Wear-resistant insert fitted inside the metal cup. Serves as the actual bearing surface, usually made from highly cross-linked polyethylene or ceramic. |
| Femoral Head | Spherical ball component that attaches to the femoral stem. Rotates within the liner to enable a full range of motion. Made of ceramic or polished metal. |
| Femoral Stem | Inserted into the medullary canal of the thigh bone for stability. Usually made from titanium or cobalt-chromium alloys with bone ingrowth coatings. |
As a leader in orthopedic implants and instruments manufacturing, we have been successfully supplying to 2,500+ clients in 70+ countries for over 15 years thanks to extensive know-how and expertise.
A comprehensive product portfolio spanning orthopedics, trauma care, veterinary medicine, and sterilization.
We provide a 1-year warranty. During this period, we repair or replace products for free. All complaints receive responses within 2 days.
Tonk Orthopedic Implants