Designed by Surgeons, for Surgeons Posterior Stabilized (PS) Knee System & Revision Options Designed to provide multiple levels of constraint and flexible component selection for more complex knee replacement needs. Request Demo KitSurgical Technique Guide Posterior-Stabilized Design Multiple Constraint Options for Greater Stability The OI Blue Plus Knee System provides three posterior-stabilized tibial insert configurations, allowing surgeons to select the level of constraint appropriate for the surgical requirements of the knee. Low Post, Low Post Plus, and High Post options provide increasing levels of constraint while working within the same PS system. Together, these options expand the surgeon’s ability to address varying stability and constraint requirements within the OI Blue platform. Component Flexibility More Options Within One Modular Platform Blue Plus expands the OI Blue platform with posterior-stabilized femoral components and tibial inserts designed to integrate with existing OI Blue tibial trays. Eight universally shaped PS femoral sizes provide additional sizing flexibility, while PS tibial inserts are available across multiple thicknesses and use the existing OI Blue locking mechanism. This modular design allows surgeons to adjust component selection while maintaining compatibility across the broader system. 8 PS Femoral Component Sizes Multiple Tibial Insert Thicknesses Compatible with OI Blue Tibial Trays Vitamin E-Enhanced UHMWPE Tibial Inserts Indications The Optimotion Blue Plus Knee System is indicated for painful, disabling joint disease of the knee resulting from conditions including osteoarthritis, traumatic or post-traumatic arthritis, avascular necrosis, and rheumatoid arthritis. Additional indications include certain knee deformities, revision procedures, fractures that cannot be stabilized using standard techniques, ligamentous instability requiring increased constraint, an absent or non-functioning posterior cruciate ligament, and severe anteroposterior instability. View Instructions for Use Components & Specifications Posterior Stabilized (PS) Knee System components and specifications Component Detail Femur Posterior-stabilized design. Non-porous cobalt chrome alloy for cemented fixation. Sizes 1-8. Tibial Tray Compatible with OI Blue cemented and cementless tibial trays. Universal left/right design. Sizes 1-8. Inserts Symmetric PS inserts in Low Post (LP), Low Post Plus (LP+), and High Post (HP) configurations. Vitamin E-enhanced, highly cross-linked UHMWPE. Sizes 1-8, with thicknesses from 9-21 mm in 2 mm increments. Patella Compatible with OI Blue cemented polymer and cementless porous metal-backed patellar components. Stems Optional tibial stems compatible with cemented and cementless OI Blue tibial trays. Modular tapered connection secured with set screws. Our Products Explore More Knee Replacement Systems Cementless Total Knee Replacement System Designed for biological fixation, allowing bone to grow into the porous implant surfaces for long-term stability. View Product Cemented Total Knee Replacement System Uses bone cement to secure the implant components in place during total knee replacement. View Product What Is The Lateral Approach? A Muscle-Sparing Way to Access the Knee The lateral approach changes how surgeons access the knee during total knee replacement. Instead of using a traditional midline pathway, the surgeon enters from the outside of the knee. This muscle-sparing technique avoids cutting the quadriceps and helps preserve more surrounding tissue. By reducing disruption to the front of the knee, the technique is designed to support earlier mobility, less pain and numbness, faster recovery, and a more discreet incision location for patients. Explore the Lateral Approach See How It Works Preserves the Quadriceps Avoids cutting through the quadriceps muscle during the surgical approach. Lateral Incision Placement Moves the incision away from the traditional front-of-knee surgical pathway. Supports Faster Recovery Muscle-sparing access is designed to support earlier mobility, strength, and recovery. Lateral-First Engineering Specialized implants and instrumentation are designed specifically for lateral access. Outpatient Advantages How OI Systems Support ASC Efficiency Efficient Procedures A streamlined surgical workflow can help support efficient use of valuable OR time. Streamlined Instrumentation Four dedicated trays organize preparation and trialing across the total knee procedure. Lower Sterilization Burden A focused instrumentation setup can help reduce reprocessing demands between surgical cases. Faster Room Turnover A more streamlined workflow and instrument setup can help support efficient case turnover. The Lateral Technique The lateral technique follows a structured surgical sequence designed around access from the outside of the knee while preserving the quadriceps. From incision and exposure through bone preparation, trialing, balancing, and final implantation, each stage works together to support precise component placement and a consistent total knee replacement workflow. Lateral Incision Access begins along the lateral side of the knee. Quadriceps Preserved The quadriceps are lifted rather than cut. Kneecap Mobilized The kneecap is moved to provide surgical access. Bone Prepared Femoral and tibial surfaces are prepared for the implants. Components Trialed Trial components help evaluate fit, alignment, and balance. Implants Placed Final components are positioned to reconstruct the knee joint. Full Surgical Technique Technical Resources Find more product information, surgical documentation, and supporting resources for Optimotion Implant systems and instrumentation. All ResourcesSurgical GuidesInstructions for Use Bring the Lateral Approach to Your OR Train with experienced surgeons, evaluate the approach firsthand, and bring the lateral technique into your practice with support at every stage. Apply to Become an OI Surgeon Tell us about your practice and interest in adopting the lateral approach. Observe the Approach See the lateral approach performed firsthand alongside an experienced Optimotion training surgeon. Hands-On Training Build familiarity with the technique through guided, hands-on cadaveric surgical training. Learn From a Peer Work directly with an experienced training surgeon to refine your understanding of the approach. Bring It to Your OR Continue your training with surgeon support available at your own location. See the Full Pathway Explore the training process, available resources, and next steps for becoming an OI surgeon. Become an OI Surgeon Hear From Surgeons Using the Lateral Approach These physicians share what they’ve learned using the lateral approach, what has stood out in their patients’ recoveries, and why the technique has become part of their practice. Surgeon TestimonialsPatient Testimonials Dr. Pasquale Reino Over 95% of my patients who had a traditional surgery and then came to me for the lateral approach say the recovery was much faster in terms of motion, easier in terms of pain, and required less narcotic medication. Dr. David Cheong The quadriceps muscle is not cut. If a muscle isn’t cut, then it doesn’t take the same amount of time to recover and wake up. If a muscle isn’t cut, then typically there is less pain associated with that surgery. Dr. Sergio Martinez I’ve had patients where we did the standard approach on one knee, and we did the second knee with the lateral approach. They all tell me that the lateral approach was a much better recovery. Surgeons Bring the lateral approach into your practice with hands-on training, peer support, and access to Optimotion technology. Become an OI Surgeon Patients Take the next step toward understanding your knee replacement options with a surgeon trained in the lateral approach. Find a Doctor Distributors Partner with Optimotion to bring differentiated implant technology and lateral approach solutions to more surgical teams. Become a Distributor Upcoming Technology See the new technologies and surgical solutions Optimotion is actively developing for the future of knee replacement. Future Innovations