- Tel: +8613911709825 /
- Email: ry@rays-casting.com /
Leading the industry in CoCrMo alloy casting for combined hip and knee replacements on the same leg, delivering unparalleled durability and biomechanical compatibility.
Setting the global standard for biocompatible artificial joint blanks.
◆ As a pioneer in the specialized manufacturing of surgical implants, our CoCrMo alloy blanks are engineered specifically for complex scenarios like hip and knee replacement on same leg. We provide SUPERIOR MECHANICAL PROPERTIES and unmatched biocompatibility, ensuring that artificial joints maintain structural integrity under extreme physiological stress.
◆ Our technical edge lies in the PRECISION CASTING PROCESS which minimizes porosity and optimizes grain structure. For patients undergoing hip and knee replacement on same leg, this means a reduced risk of implant rejection, faster recovery times, and a significant increase in the lifespan of the prosthetic components.
The three-fold commitment ensuring maximum patient outcomes and prosthetic longevity.
Our CoCrMo alloy is engineered to withstand decades of cyclical loading without fatigue failure.
Reducing implant rejection through strict material purity and advanced surface finishing.
Eliminating manufacturing variance to ensure a perfect anatomical fit for combined joint surgeries.
Quantitative analysis of alloy superiority and clinical reliability.
Detailed metallurgical and physical properties of our artificial joint blanks.
| Material Parameter | Standard Value | Tolerance | Test Method | Coating | Grade |
|---|---|---|---|---|---|
| CoCrMo Alloy Base | ASTM F75 Standard | ± 0.01% | ICP-OES | None (Raw) | Medical Grade |
| Tensile Strength | 650 - 850 MPa | ± 5% | ASTM E8 | N/A | High Strength |
| Hardness (Rockwell) | 35 - 45 HRC | ± 2 HRC | ASTM E18 | Mirror Finish | Ultra-Hard |
| Density | 8.3 - 8.5 g/cm³ | ± 0.02 | Archimedes | N/A | Dense |
| Surface Roughness | Ra < 0.05 μm | ± 0.01 μm | Profilometry | Electropolished | Surgical Grade |
| Porosity Rate | < 0.1% | N/A | X-Ray/CT Scan | N/A | Vacuum Cast |
| Elastic Modulus | 210 - 240 GPa | ± 10 GPa | Ultrasonic | N/A | Optimal |
| Fatigue Limit | 300 - 500 MPa | ± 20 MPa | Dynamic Test | N/A | Life-Long |
Proven performance across diverse industries.
Implemented our CoCrMo blanks for hip and knee replacement on same leg, resulting in a 25% increase in patient mobility scores post-op.
Transitioned to our CoCrMo blanks for their Half Knee line, achieving a 15% reduction in manufacturing waste.
Validated our CoCrMo material for longevity in high-humidity climates, ensuring zero corrosion over a 5-year simulated study.
Validated the fatigue strength of our artificial joint blanks through 10 million cycles of simulated walking stress.
Tailored solutions for demanding environments.
Providing critical blanks for combined hip and knee replacements on same leg for elderly patients with systemic degeneration.
Customized high-strength CoCrMo joints for athletes requiring extreme durability and fast return-to-sport cycles.
Emergency surgical implants for severe joint shatter, where rapid stability and high load-bearing are critical.
Advanced partial knee replacement blanks designed to preserve healthy ligaments and natural joint kinetics.
High-tolerance blanks for revising failed implants, requiring superior integration and wear resistance.
Collaborating with medical researchers to develop next-gen CoCrMo alloys for personalized joint geometries.
Our entire production line follows the strict Quality Management System for medical devices, ensuring every blank is traceable.
By eliminating air pockets through vacuum casting, we ensure structural homogeneity and eliminate risk of internal fractures.
Strict adherence to chemical composition standards for wrought cobalt-chromium-molybdenum alloys for surgical implants.
Our commitment to surgical excellence is backed by international certifications and rigorous testing.
Expert answers to common technical and commercial inquiries.
CoCrMo alloys provide the high fatigue strength and wear resistance necessary for combined replacements, reducing the likelihood of revision surgery in patients with extensive joint degradation.
We use vacuum induction melting to eliminate contaminants and employ electropolishing to create a passive oxide layer that prevents ion release into the body.
Yes, we offer precision casting based on patient-specific CAD models to ensure a perfect fit for hip and knee replacement on same leg cases.
Our standard sample lead time is 7 days, with full-scale production schedules based on order volume and geometric complexity.
Absolutely. Every batch is tested against ASTM F75 and ISO 5832-4 standards to ensure chemical and mechanical compliance.
We employ a 100% X-ray inspection for internal porosity and statistical sampling for mechanical properties, ensuring consistency across thousands of units.
Partner with the global leader in CoCrMo alloy casting for superior hip and knee replacement results.