Zimmer® Gender Solutions Patello-Femoral System

Expanding  the Gender Solutions continuum of care

The Zimmer Gender Solutions Patello-Femoral Joint System is designed to provide a partial knee replacement solution – and an earlier intervention option – for patients with unresolved patellofemoral pain.  The Gender Solutions Patello-Femoral Joint System incorporates science-based design features and offers a precise surgical technique through the use of a proprietary guided milling system.  The system is the first of its kind to combine gender design features, superior instrumentation and an efficient, repeatable surgical technique in a patellofemoral joint system.

Gender Solutions Patello-Femoral System

Zimmer was the first orthopaedic company to recognize that when it comes to knees, men and women are different.  Our groundbreaking research demonstrated that the differences are less about size – and more about shape.  The Gender Solutions Patello-Femoral Joint System addresses the unmet clinical need for patello-femoral implants that more accurately address the differences between the shapes of male and female femurs.

Key Design Features Include:

  • Implant sizing – comprehensive sizing applies Gender Solutions female design characteristics to smaller sizes (1-4), while the larger size implant is designed to match standard NexGen® femoral components.
  • Modified anterior flange – a thinner anterior flange is designed to help avoid overstuffing and overhang.
  • Increased trochlear groove angle –an increased trochlear groove angle accommodates the documented difference in the Q-angle of the patellar tracks of male and female knees.

Zimmer Minimally Invasive Solutions™ Procedures

The Gender Solutions Patello-Femoral System instrumentation and implants are compatible with MIS approaches which are designed to facilitate smaller incisions, less tissue trauma and shorter hospital stays.

Use of the Gender Solutions Patello-Femoral Joint with a Zimmer High Flex Uni

The Gender Solutions patello-femoral may be cleared for use with the Zimmer high flex Unicondylar knee system.  This bicompartmental solution can address presentations of both disease of the patello-femoral joint area and one of the distal (usually medial) condyles

Material Strength

The Gender Solutions Patello-Femoral Joint System offers a bone-conserving implant design made of strong forged cobalt chrome.  Implant strength was verified by Finite Element Analysis (FEA), under conditions of maximum load (during stair descent)

Articulating Geometry

The Gender Solutions Patello-Femoral Joint implant utilizes proven NexGen patellar contact geometry.  Testing has been performed to establish the contact area of the NexGen patella on the Patello-Femoral Joint implant.  Testing has also provided measurement of subluxation resistance of the NexGen patella on the Patello-Femoral Joint implant.

Patella Support

The Gender Solutions Patello-Femoral Joint implant provides patellar support through frequent high-load daily activities.  Patella transition analysis has been performed on the Patello-Femoral Joint implant, as well as on the Patello-Femoral Joint implant combined with the Zimmer Unicompartmental Knee System.