The KT2000 is an instrument used for objectively anterior translation of the tibia in patients with anterior cruciate ligament insufficiency or after ACL reconstruction.
The instrument is also called an arthrometer. Its value is in providing an objective measurement independent of the examiner.
Instrumented Examination of Knee Laxity in Patients With Anterior Cruciate Deficiency: A Comparison of the KT-2000, Knee Signature System, and Genucom Queale WS, Snyder-Mackler L, Handling KA and Richards JC. JOSPT Volume 19 Number 6 June 1994: 345-352.