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The failure rate of knee revision implants after 10 years is reported to be 22%. There are various reasons for that, but many times the basic cause is to be found in:
With OrthoPilot® TKR, Aesculap offers a unique and dedicated software for total knee revision, facing exactly the above mentioned problems. First results show that with OrthoPilot® TKR a precise axis alignment as well as good restoration of jointline and rotational orientation of the femoral component can be reached. This also takes into consideration the soft tissue situation by simulation of residual extension and flexion gaps for the best possible stability of the knee. An increased longevity and thus a reduction of the current failure rate in knee revisions is expected.
TKR 3 – Revision navigation software
Everything a surgeon desires: 3 possibilites of software interaction to fully adapt the system to the individual surgeons‘ preferences. Take over control by either using the brand-new Multitool, gesture recognition or the wireless footswitch.
Besides "Tibia First" and "Femur First" the surgeon can choose "Planning First" with the advantage of planning femoral and tibial resections in advance prior to perform any cut.
Integrated joint line planning to plan the desired post-op joint line level from either the femoral or tibial references based on x-ray images.
As an option, the reamer navigation allows to prepare the stems under navigation control considering mechanical axis and slope.
The interactive femoral planning screen simulates the implantation result with special regard to the desired joint line and soft-tissue situation prior to the final implantation. A separate unique augmentation planning tool supports in the individual decision-making about defect management.
The Multitool – a new multifunctional instrument that combines 4 instruments in 1 – serves as one possible man-machine-interface to control TKR 3. By combining cutting-edge technology with simple, intuitive handling the Multitool allows surgeons to operate flexible, precisely and ergonomically. Due to its‘ smart click-mechanism the footswitch becomes obsolete.
Four different adapter positions and a 180° swing angle of the new monocortical 2-pin transmitter fixation facilitate the tibial transmitter orientation to the stereo-optical camera system and reduce efforts in camera positioning.
This workflow enables the user starting on the femoral side to precisely navigate the position of the revision components taking into account jointline, defects, stem to implant and AP ML-position as well as rotation of the component relative to different landmarks.
Allows the user to precisely navigate the position of the revision components taking into account:
This workflow, enables the user to precisely plan & navigate the position of the revision components taking into account:
before any cuts performed neither on tibia nor femur side.
A kinematic module is integrated that allows the measurement and documentation of the initial, intra- and post-implantation kinematics with direct graphical comparison of overall laxity over the range of motion from extension to flexion as well as AP-shift and rotation.
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