EXCEL MPK

EXCEL MEDIAL PIVOT KNEE SYSTEM

Cinemática Redefinida
Restauración de la cinemática de una rodilla natural

  • Los implantes Pivot Medial fueron diseñados para restaurar la cinemática fisiológica de la rodilla natural, limitando el retroceso y evitando el movimiento paradójico de los cóndilos femorales.
  • Diseñado para que los pacientes regresen más rápidamente a un funcionamiento pleno. Acepta de manera segura flexiones de hasta 155°
  • Inserto anatómico diseñado para promover la estabilidad medial y la movilidad lateral
  • El vástago del implante tibial Excel MPK ha sido diseñado para adaptarse a la anatomía natural de la tibia y proporciona la máxima estabilidad rotacional
  • No requiere una extirpación intercondilar grande
  • Permite 15° de rotación natural para una flexión profunda
  • Permite la libertad de alineación rotacional
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Rótula
Rótula de UHMWPE de Orthoplastics (Reino Unido)
  • En forma de cúpula
  • 3 clavijas y bolsillos de cemento para una fijación óptima
  • Disponible en 6 tamaños
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Componente femoral

Arco de radio único para proporcionar una mejor estabilidad anteroposterior a través de un solo radio de curvatura de 0° a 115°, radio de curvatura optimizado en cóndilo posterior con radio de curvatura reducido para flexión profunda sin impactar el inserto de poli.

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Inserto Tibial

El inserto fue sido diseñado con una muesca profunda en el surco rotuliano para aliviar la carga del tendón rotuliano, una pestaña medial anterior elevada para proporcionar estabilidad medial, y una vía en forma de arco del cóndilo lateral para un funcionamiento natural de la rodilla, facilitando la rotación del cóndilo lateral alrededor del cóndilo medial , proporcionando así una cinemática natural de la rodilla. El bisel posterior pulido del inserto de polietileno evita el impacto sobre el tejido blando vital. El lado medial actúa como una “articulación de bola y zócalo” parcial, evitando el movimiento paradójico y solucionando la inestabilidad entre la flexión media y la flexión alta.

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Bandeja Tibial

El mecanismo de encastre de cola de milano probado y el borde periférico continuo minimizan el micromovimiento anteroposterior y mediolateral, lo que se traduce en un mínimo desgaste dorsal.

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Producto de pivote medial Excel

Catálogo

Excel Medical Pivot Knee System - LBL

Product Code

Excel Medical Pivot Knee System - Product Code
STUDY NAME TYPE OF STUDY TOTAL PATIENTS STATUS
Medial Pivot with Kinematic Alignment Study Retrospective Study 52 In Process for Publication
Cruciate retaining Medial Pivot study Retrospective Study 555+ Ongoing Recruitment
Robotic Medial Pivot Joint Study Retrospective Study 253+ Ongoing Recruitment
Saviour Hospital Excel MPK Study Retrospective Study 252+ Under Publication

Medial Pivot with Kinematic Alignment Study

The medial-pivot knee is designed to more closely replicate the kinematics of the native knee. Kinematic alignment is an emerging alignment philosophy that aims to restore the patient’s native anatomy and joint-line orientation while minimizing the need for soft-tissue releases. Combining these two approaches may provide a more physiological reconstruction of the knee and potentially improve postoperative function and patient satisfaction. This study aims to evaluate the clinical and functional outcomes of medial-pivot total knee arthroplasty performed using a kinematic alignment technique.

Cruciate-Retaining Medial-Pivot Knee Study

The cruciate-retaining medial-pivot knee is designed to preserve the native posterior cruciate ligament while incorporating a medial-pivot geometry intended to replicate the natural kinematics of the knee. Preservation of the posterior cruciate ligament, together with the inherent stability of the medial-pivot design, may provide a more physiological pattern of knee motion while maintaining satisfactory stability and function. This study aims to evaluate the clinical and functional outcomes of cruciate-retaining medial-pivot total knee arthroplasty at one year following surgery

Robotic Medial-Pivot Knee Study

The medial-pivot knee is designed to replicate the physiological kinematics of the native knee, with enhanced medial compartment stability and controlled lateral compartment motion. Robotic-assisted surgery may facilitate accurate bone preparation, component positioning, and alignment, potentially improving the reproducibility of medial-pivot knee implantation. This study aims to evaluate the clinical and functional outcomes of robotic-assisted medial-pivot total knee arthroplasty using the Cuvis Joint Robot for implantation of the Excel Medial-Pivot Knee (MPK) at one year following surgery

Saviour Hospital Excel Medial-Pivot Knee Registry

The Excel Medial-Pivot Knee (MPK) is designed to replicate the physiological kinematics of the native knee and provide enhanced medial compartment stability during knee motion. This registry is intended to prospectively collect clinical, functional, and patient-reported outcomes of patients undergoing Excel MPK total knee arthroplasty at Saviour Hospital. The registry will provide real-world evidence on the safety, clinical performance, functional outcomes, and survivorship of the Excel MPK over short- and long-term follow-up

Frequently Asked Questions

What are the design advantages of the Excel MPK Medial Pivot Knee System?
The Excel MPK is designed to replicate natural knee kinematics through a medial pivot philosophy. It features an anatomical insert for medial stability and lateral mobility, a single-radius femoral design for improved stability, a tibial keel for rotational stability, and allows up to 155° flexion with 15° of natural rotation while preserving bone by avoiding extensive intercondylar resection.
What surgical technique is used for Excel MPK implantation?
The Excel MPK is implanted using a standard total knee arthroplasty technique with dedicated instrumentation. The procedure includes bone preparation, femoral and tibial alignment, soft-tissue balancing, trial reduction, implant positioning, and final implantation.
How does the medial pivot design benefit patients?
The medial pivot design closely mimics the natural motion of the knee by providing a stable medial compartment and controlled lateral movement. This helps reduce paradoxical femoral motion, enhances knee stability throughout flexion, supports deep flexion up to 155°, and promotes a more natural-feeling knee with improved functional performance.
Who may be a suitable candidate for the Excel MPK knee replacement system?
The Excel MPK is intended for patients with symptomatic knee joint disease requiring primary total knee arthroplasty, including those with osteoarthritis, rheumatoid arthritis, or post-traumatic arthritis when conservative treatments are no longer effective. Suitability should be determined by the treating orthopaedic surgeon based on the patient's clinical condition and functional needs.

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