Recommended application field: Orthopedics and traumatology.

Advantages over analogues: Endoprosthesis consists of a metal stem, sapphire head and lowmolecular polyethylene intermediate layer.Sapphire heads manufactured from pure material storage-oxide, which was synthesized in the temperature >2000 C. Sapphire head has the following characteristics and advantages: - does not resolve and its qualities do not-change during the patient's life; has high level of biological compatibility; - has constant effect of the friction (f = 0,05 - 0,10) with defined crystallography of the contacted sapphire trybilogical situations; - has high durability; - may bear 50 kN; - may be polished to high degree of the purity (higher then in metal and ceramic analogs). In comparison witch metal heads, allergic reactions are excluded. In comparison with corundum ceramic heads, single-crystal head is more durable because the sapphire is homogeneous and does not have bloc's borders, that results in high wearproofness of material.

The development stage readiness: Tested experimental exploitation order

Description of the development:
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Different artifical joints with metal, ceramic, metal-polymer and ceramic polymer trybological pairs which correspond to the natural biomechanical joint " head-acetabulum" are widely used for the hip joint arthroplasty at present time. Along witch positive qualities of modern ceramic, polymer and metal constructions, they have some disadvantages, such as: insufficient biological inactivity and superfluous abrasion of the componets. These factors lead to short life of the implant. Moreover, accumulation of toxis and carcionogenic substances in the soft tissue due to abrasion of the implant causes serious complications in up to 30-40%cases. We developed endoprosthesis with sapphire head for treatment of diseases and damages of the hip join.

corresponds technical description
Conforms to technical characteristic

Possibility of transfer abroad:
Licence's sale

Photo

Country Ukraine

For additional information turn to:
E-mail: gal@uintei.kiev.ua