RobPath Knee Replacement Robot

Building on its hip replacement technology foundation, Lancet Robotics developed the RobPath Knee Replacement Robot as part of an integrated hip-knee surgical platform. The system received NMPA Class III medical device certification, enabling the company to address both major categories of joint replacement surgery with unified robotic assistance.

Product Overview

The RobPath knee replacement module shares core navigation and robotic arm technologies with its hip replacement counterpart, creating an interoperable platform for orthopedic joint replacement procedures. This unified architecture allows hospitals to use a single robotic system across multiple joint replacement indications, potentially improving equipment utilization and reducing capital equipment requirements.

Total knee arthroplasty represents one of the highest-volume orthopedic procedures globally, with China’s aging population driving sustained growth in procedure volumes. The RobPath knee system targets this expanding market with domestically-developed technology designed to reduce dependence on imported surgical robotics platforms.

Key Features

Integrated Hip-Knee Platform: The RobPath system enables both hip and knee replacement procedures from a single robotic platform, allowing smooth workflow integration for facilities performing high volumes of joint replacement surgery.

Intelligent Osteotomy Guidance: The system provides real-time navigation for bone cutting procedures, enabling precise femoral and tibial resections aligned with preoperative planning parameters.

Preoperative 3D Planning: Full imaging analysis generates patient-specific surgical plans, optimizing implant sizing and positioning before the procedure begins.

Domestic Component Supply: Lancet Robotics reports 100% localization of core components, addressing supply chain concerns and enabling competitive pricing relative to imported alternatives.

Technical Specifications

RobPath is an integrated hip-knee robotic platform by Lancet Robotics, featuring 100% domestic components with optical navigation and 3D preoperative software for total knee arthroplasty.

Clinical Applications

The RobPath knee replacement system supports total knee arthroplasty for multiple indications:

• Knee osteoarthritis: Degenerative joint disease requiring joint replacement
• Post-traumatic arthritis: Joint damage following injury
• Rheumatoid arthritis: Inflammatory joint disease affecting the knee
• Knee joint deformity: Corrective procedures for varus or valgus alignment

The system assists surgeons with critical procedural steps including distal femoral resection, proximal tibial resection, femoral rotation alignment, and gap balancing—factors that significantly influence long-term implant survival and functional outcomes.

Regulatory Status

The knee replacement module complements the FDA-cleared hip navigation system, expanding Lancet’s regulatory footprint in the orthopedic robotics market.

Frequently Asked Questions

What makes RobPath different from other knee surgery robots?

RobPath offers an integrated hip-knee platform, allowing hospitals to perform both major joint replacement categories with a single system. The platform emphasizes 100% domestic component sourcing and positions itself at approximately half the price point of imported alternatives.

Can RobPath perform partial knee replacement?

Current regulatory approvals cover total knee arthroplasty. Information regarding unicompartmental (partial) knee replacement capabilities was not confirmed in available sources.

How many hospitals use the RobPath knee system?

Lancet Robotics reports deployment across dozens of hospitals in China, with the integrated platform supporting both hip and knee procedures. Specific installation counts for the knee module were not separately disclosed.