PediatrOS™ FlexTack™ - Merete USA
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Disclaimer and contact information

About surgical techniques:
Proper surgical procedures and techniques are the responsibility of the medical professional. The guidelines contained herein are furnished for information purposes only. Each surgeon must evaluate the appropriateness of the procedures based on his or her personal medical training and experience. Prior to use of any Merete systems, the surgeon should refer to the product package insert for complete warnings, precautions, indications, contraindications and adverse effects. Package inserts are also available by contacting Merete Technologies, Inc.

About E-IFUs:
If you have any further questions about the sterilization processes after reading our instructions, contact us at 630-869-1091 or

Surgical Technique E-IFU

PediatrOS™ FlexTack™


Growth guidance with varus/valgus misalignments

For correcting axis misalignment (Genu varum/valgum) using hemi-epiphysiodesis. The flexible center area of the anatomically shaped PediatrOS™ FlexTack™ allows it to bend open in vivo in response to bone growth forces, helping steer pediatric and adolescent bone growth gently and precisely. The trapezoidal design of the PediatrOS™ FlexTack™ staple is closely aligned to the anatomy of the femur and tibia. Cannulated staple legs allow precise placement using K-wires. This technological improvement on conventional implants for correcting varus/valgus misalignments reduces intraoperative fluoroscopy times and can be implanted using minimally invasive techniques.

Technical Data
  • Trapezoidal design
  • 3 sizes: 20 mm (blue), 25 mm (green) and 30 mm (purple)
  • Barbed staple legs
  • Cannulated staple legs to facilitate insertion over 1.6 mm K-wires for optimal intraoperative alignment and post-operative growth guidance
  • First anatomically shaped titanium implant designed to correct angular deformities
  • Flexible staple bridge providing a bending zone that improves correction rates through an extra-epiphyseal fulcrum. Reduced implant-associated complication rates compared to two-hole plates. No fracturing screws in large, long-lasting corrections
  • Supplied sterile
  • Minimal invasive surgery with reduced overall OR-time. Achieved by reducing the number of implants from two screws and a compression plate to a single staple per epiphysiodesis site
  • Ideal biomechanical alignment
  • Fluoroscopy time reduction of 35 % compared to plating systems. Consequently, reduced x-ray exposure for patients
  • Alignment template ensures precise placement
  • Easy to remove using 2.0 mm K-wire with threaded tip
  • ONE set of instruments for two indications: PediatrOS™ FlexTack™ and PediatrOS™ RigidTack™
  • Immediate weight-bearing possible

Specific pediatric conditions/diseases for which the devices is indicated include:

  • Valgus, varus, or flexion, extension, deformities of the knee (femur and/or tibia)
  • Valgus or varus deformities of the elbow (humerus)
Radiographs (Coming Soon)
Growth guidance, Pediatric Orthopedics