Indra® & Indra®II (Spinal Pedicle Screw System)
About
The Indra® System is designed to treat a large variety of spinal diseases with intuitive solutions. We focused our design activities to deliver a simple, easy-to-use system that offers versatile options to the surgeons. Winn Technoserv® is committed to develop a system that offered low profile implants with high biomechanical strength. The Indra® System is based on optimized technologies that minimize the overall implants volume without compromising the performance.
Features
Reduced head diameter offers more room for graft with a lower construct profile.
Round shape preserves adjacent facets.
Lateral gap & raised dimples for a powerful connection with the persuader.
Raised dimples for a better connection to the rod fork.
Optimized buttress thread prevents head splay and cross threading.
Star connection provides a stable and strong connection with the screwdriver.
Cortical and cancellous advanced threads to maximize the pull-out resistance.
Dual core design provides good anchorage in the vertebra.
Self tapping tip to save surgical time.
When to use?
Indications
Indra® Spinal Fixation Systems are designed for posterior spinal fixation procedures.
Indra® Spinal Fixation Systems are indicated for the temporary correction and stabilization of a portion of the vertebral column from the thoracic vertebras to the sacrum until fusion takes place usually in a 6 to 12 months period.
When fusion is achieved the Indra® Spinal Fixation Systems should be removed taking into account the risk/benefit for the patient.
Indra® Spinal Fixation Systems are indicated to achieve fusion in the thoracic and lumbar spine for documented degenerative diseases of the thoracic and lumbar spine, disk herniation, spondylolisthesis, fractures, spinal stenosis and spinal deformities such as scoliosis, kyphosis, lordosis, tumor, pseudoarthrosis or revision of failed fusion attempts.
The surgeon should take into account the normal capacity of the Indra® Spinal Fixation Systems depending on his surgical strategy for a given patient in accordance with the state of the art.
Contraindications may be absolute or relative. Circumstances below may reduce the chances of a successful outcome:
Contra-Indications
Any abnormality that affects the normal process of bone remodelling including, but not limited to, severe osteoporosis involving the spine, excessive bone absorption, osteopenia, primary or metastatic tumors involving the spine, active infection at the site or certain metabolic disorders affecting osteogenesis.
Insufficient quantity or quality of bone that might inhibit rigid device fixation. • Previous history of infection.
Excessive local inflammation.
Open wounds.
Any neuromuscular deficit that places an unusually heavy load on the device during the healing period.
Obesity contributes to spinal loading, which may be excessive enough for failure of the fixation of the device or to failure of the device itself.
Patients having inadequate tissue coverage of the operative site.
Pregnancy.
A condition of senility, mental illness or substance abuse. These conditions, among others, may cause the patient to ignore certain necessary limitations and precautions in the use of the implant, leading to failure or other complications.
Foreign body sensitivity. When material sensitivity is suspected, appropriate tests should be made prior to material selection or implantation.
Other medical or surgical conditions that would preclude the potential benefits of spinal implant surgery, such as the presence of tumor, congenital abnormalities, elevation of white blood cell count (WBC), or marked left shift in the WBC differential count. These contraindications can be relative or absolute and must be taken into account by the physician when making his decision.
Note: The above list is not exhaustive.