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Doostan-e-Nik Medical Services Company was founded in 2001 by a group of pioneers of orthopedic surgents in Iran with the aim of developing the knowledge of the manufacturing of knee,hip and other orthopedic joints and implants. Creating a positive attitude among Iranian orthopedic specialists who are at the highest academic levels in the world and earning their trust to use locally manufactured products was one of the main concerns of the founders of the company. Today it's more than a decade that the company's products are being used in various medical centers in Iran, and fortunately the desired results have been achieved.


Knee Prosthesis

Evolis total knee replacement prosthesis is available in two designs:
Posterior Stabilized (PS) Design, Standard (STD) Design.

Hip Prosthesis

The CCD angle for the stem is common at 135ᵒ for standard offset.

Telescopic IM Nail

Telescopic IM Nail is a new system designed for patients suffering from Osteogenesis Imperfecta (OI), skeletal dysplasia and other bone deformities.

Dynamic Hip Screw

Plate is attached to bone (distal fragment) by screws, Screw threads designed to allow optimum fracture compression and hold.

ASTM F2083
Standard Specification for Knee Replacement Prosthesis

Fatigue Testing of Femoral Knee Components

ISO 7206-4
Hip Implant Testing

Hip Stem Fatigue Testing

Knee Anatomy
The knee is a complex joint made up of different structures including bones, tendons, ligaments and muscles. They all work together to maintain normal function and provide stability to the knee during movement.

Knee Anatomy

Total Knee Replacement
Total knee replacement, also called total knee arthroplasty, is a surgical procedure in which the worn out or damaged surfaces of the knee joint are removed and replaced with artificial parts.

Total Knee Replacement

Hip Anatomy
The hip joint is the largest weight-bearing joint in the human body. It is also referred to as a ball and socket joint and is surrounded by muscles, ligaments, and tendons. The thigh bone or femur and the pelvis join to form the hip joint.

Hip Anatomy

Total Hip Replacement
Total hip replacement is a surgical procedure in which the damaged cartilage and bone is removed from the hip joint and replaced with artificial components.

Total Hip Replacement

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