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Your personal arthrometer

Lachmeter is the digital evolution of the Rolimeter (Aircast), a device that has already proved to be comparable to KT-1000 / KT-2000 (MEDmetric Corp), according to the scientific references below. It’s a lightweight, portable, accurate and easy-to-use arthrometer.

Very useful for pre and post operative evaluations. Decisive in cases where there is doubt between partial or total lesions of the Anterior Cruciate Ligament. Enteded for Orthopedists and Physioterapists.

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To be more precise, you don't need heavy equipments.

Lighter than the others

Made of stainless steel to ensure
lightness and therefore be easy to
carry and handle.

More accurate

Uses high precision digital
measurement so you can be more
accurate with your results.

TARGET

Healthcare professionals, such as
physiotherapists and orthopedists, who
seek more precise results.

Accessories

It comes with a cushion to be placed
behind the thigh, which facilitates
the Lachmeter's use.

DIGITAL

As a digital equipment, the
Lachmeter doesn't need to be
calibrated.

Trustworthy

Made by and for orthopedists. You can get
more accurate results on your pre and
postoperative cases.

How it must be used

Step 01
01

Place the cushion behind the thigh

Step 02
02

Bolster the appliance on the knee

Step 03
03

Make sure the hamstrings muscles are relaxed

Step 04
04

Support the stem on the leg and reset the device

Step 05
05

Pull the leg up to its maximum limit, as you would do in the Lachman test

Step 06
06

Write down the value and repeat it three times in the same knee

Step 07
07

Then, compare it with the other side

Assessment

up to
3mm
no ACL injury

between
3 and 4 mm
partial ACL injury*

greater than
4 mm
complete injury

Assessment of laxity | Side-to-side difference

*Without a positive pivot shift test

Scientific References

Lachmeter - The digital Rolimeter ®

1.Ganko A1, Engebretsen L, Ozer H. The rolimeter: a new arthrometer compared with the KT-1000. Knee Surg Sports Traumatol Arthrosc. 2000;8(1):36-9.

3.Balasch H1, Schiller M, Friebel H, Hoffmann F. Evaluation of anterior knee joint instability with the Rolimeter. A test in comparison with manual assessment and measuring with the KT-1000 arthrometer.Knee Surg Sports Traumatol Arthrosc. 1999;7(4):204-8.

5.Papandreou MG1, Antonogiannakis E, Karabalis C, Karliaftis K.Inter-rater reliability of Rolimeter measurements between anteriorcruciate ligament injured and normal contra lateral knees. Knee SurgSports Traumatol Arthrosc. 2005 Oct;13(7):592-7. Epub 2005 Jan 11.

2.Daniel DM, Stone ML, Sachs R, Malcom L. Instrumented measurement of anterior knee laxity in patients with acute anterior cruciate ligament disruption. Am J Sports Med 1985;13:401-7.

4.Hughston JC, Andrews JR, Cross MJ, Moschi A. Classification ofknee ligament instabilities. Part I. The medial compartment and cruciate ligaments. J Bone Joint Surg Am 1976;58:159-72.

6.Hemmerich A, van der Merwe W, Batterham M, Vaughan CL. Kneerotational laxity in a randomized comparison of single-versus double-bundle anterior cruciate ligament reconstruction. Am J SportsMed 2011;39:48-56.

Testimonials

See what our costumers think about the new arthrometer and garantee your expectations fufilled.

Bertrand Sonnery-Cottet, MD

Centre Orthopedique Santy, Lyon - Sport Medicine, FIFA medical Center of Excellence

I use the Lachmeter in my daily practice. It is easy to use, reliable and provides accurate data for clinical and research purposes.

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