Osteoarticular Area
Hyal 4-4
HYAL 4 is a Class Ill medical device indicated for use in all joints, based on linear hyaluronic acid with a very high molecular weight (4 million Daltons after sterilization).
Formulated without chemical modifications or preservatives, HYAL 4 is designed to mimic the viscoelastic behavior of endogenous hyaluronic acid present in healthy joints, helping to restore the rheological properties of synovial fluid.
When to prescribe Hyal4 - 4

previous joint trauma

tendon and/or ligament disorders

meniscal disorders

recurrent synovitis
Product formulation
Active ingredient: linear hyaluronic acid
Origin: bacterial fermentation
Molecular weight: ~4 million daltons
Concentration: 20 mg/ml (2%)
Volume: 2, 3, and 4 ml
Chemical modifications: none
Preservatives: none
4 ml/80 mg pre-filled syringe - 2%