TJO launches infection spacer system for revision knee surgery

Total Joint Orthopedics has launched the Klassic Infection Spacer System, expanding its revision knee line with a device cleared for both temporary and permanent use. The system is set to debut at AAHKS in Texas and is designed to support two-stage infection cases with simpler instrumentation and more stable knee function.

Why it matters: - The launch gives surgeons a new option for periprosthetic joint infection revision cases, where maintaining motion and stability between stages can affect recovery. - KISS is designed to replace molded cement spacers with permanent implant materials, which may improve function and simplify reconstruction in complex knee infections. - The system adds another infection-management tool to TJO’s Klassic Revision Knee platform as the company pushes toward lower instrumentation burden in joint replacement.

What happened: - Total Joint Orthopedics launched the Klassic Infection Spacer System, or KISS, expanding the Klassic Revision Knee System for periprosthetic joint infection revision procedures. - The company said KISS is the first system cleared for a dual indication: permanent implantation and temporary implantation for PJI. - KISS received FDA 510(k) clearance in July 2026 as part of the Klassic Knee System. - The system will debut at the American Association of Hip and Knee Surgeons Annual Meeting, Nov. 5-8, 2026, in Grapevine, Texas. - Surgeons can view the Klassic Infection Spacer, Klassic Revision Knee and Universal Cone Systems at Booth 1503.

The details: - KISS uses permanent implant materials, including Aurum/Ti, CoCr and ultra-high molecular-weight polyethylene. - The system is intended for up to 180 days of temporary use as an adjunct to total knee replacement in patients undergoing a two-stage procedure due to a septic process. - KISS is also indicated for permanent primary or revision total knee arthroplasty procedures. - The system’s modularity includes expanded fixation and augmentation options. - TJO says that design helps deliver a stable, functional knee, preserve range of motion, reduce pain and provide a path to reconstruction. - The Ultra-PS articulating surface uses an ultracongruent design to provide stability through the full range of motion after extensive debridement in many PJI cases. - KISS uses TJO’s Klassic ONE instrumentation and requires a single tray of instruments for up to 90% of cases. - For complete indications, contraindications, warnings and precautions, TJO directs surgeons to the instructions for use at tjoinc.com/ifu.

Between the lines: - The launch extends TJO’s strategy of simplifying joint replacement while keeping a revision-focused product line centered on streamlined instrumentation. - The dual-indication clearance may matter because it lets surgeons use one system across both temporary infection management and later definitive reconstruction. - TJO is also signaling that articulating spacers remain a preferred approach over static options in many knee infection cases, especially when preserving motion is a priority.

What's next: - TJO will use AAHKS as the first public showcase for KISS. - Surgeons are expected to evaluate how the new spacer system fits into two-stage PJI workflows and revision knee reconstruction. - The company will likely position KISS alongside its existing Klassic Knee and Universal Cone offerings as part of a broader revision portfolio.

The bottom line: - KISS gives TJO a purpose-built infection spacer that combines temporary and permanent use in one cleared system, with the goal of making complex knee revision surgery simpler and more functional.