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Studies ACL: Anterior cruciate ligament
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    KT-1000 / KT-2000 / GNRB COMPARISON

    This article shows the main differences between the KT-1000, KT-2000 and the GNRB arthrometers: Three medical devices designed to assess knee ACL laxity

    KT 2000

    KT 2000

    The GNRB is the most recent arthrometer released on the market (2007). It shares similar characteristics with the KT 1000, KT 2000 but is more precise while assessing knee laxity as it provides an objective evaluation of knee stability resulting from the automated anterior drawer test it performs.

    Reproducibility of the tests is also an attribute of this device as several parameters incorporated in this tool enable medical practitioners to use the device in the pre / post surgery phases of the patient's medical management.

    KT-1000/ GNRB: Official arthrometer comparison scientific study

    KT-1000 / KT-2000 / GNRB arthrometers comparison tables chart:

    Comparison criteria’s

    KT-1000 KT-2000 GNRB
    Type of testing Static: Displacement data at 134 N Static: Displacement data at 134 N

    DynamicForce/Displacement curves (1 to 200N) 

    Tightening HandmadeUser dependent HandmadeUser dependent Sensor: Data automatically collected
    Device positioning No data No data Ruler: Data on foot positioning collected
    Force applied HandmadeUser dependent HandmadeUser dependent LDA software: Various controlled tibial forces can be chosen
    Displacement Sound: Device beeps if displacement >3mm Sound: Device beeps if displacement >3mm Sensor: Data automatically collected
    Results Handmade: Hand written  Data saved on PC  LDA software: Data automatically saved
    Test timing (min) 2:15 2:03 2:58
    Use Pre-surgery Pre-surgery Pre-Surgery and Post-surgery

    After carefully analyzing this tables chart, we can deduce that the post surgical use of the GNRB may represent the biggest asset of this arthrometer as it is possible to follow the state of the ACL graft.

    This characteristic makes this device essential during ACL rehab as it practically guarantees the clinician that knee stability will be attained at some point since personnalized rehabilitation becomes possible for each unique patient.