There are some contraindications for cordus use, so it is necessary to consult a specialist to effectively alleviate the problem on your back.

The use of CORDUS may not be suitable for patients with these medical conditions:

• Specific and nonspecific infectious processes in the spine and joints (spinal osteomyelitis, tuberculous spondylitis, ankylosing spondylitis).
• Tumors along the spine and spinal cord, malignant neoplasms found at any location.
• Recent traumatic injuries to the spine and severe head injuries.
• Recent surgery of the spine and internal organs.
• Severe cerebrovascular circulation disorders, cerebral infarction, atherothrombosis, vertebral artery blockage, etc.
• 3rd and 4th degree scoliosis affecting the curvature of the spine. Device may be applied to undamaged areas.
• Herniated intervertebral discs with rupture of the fibrous ring. The device can be applied 9 cm (3.5 inches) above or below the damaged area.
• Complete lack of movement of the joints (ankylosis).
• Severe instability of the spinal segments (3rd and 4th degree), derived from the condition of spondylolisthesis.
• Severe diseases of the internal organs.
• Osteoporosis. The device can be applied to undamaged areas, 3 cm (1.2 inches) above or below the affected region.
• Epilepsy.
• Pregnancy: Only apply the device exclusively to the cervical and dorsal areas (above the shoulder blades).
• If you have back massages prohibited do not use CORDUS.

You can also consult other limitations within the sections of SPECIAL DIAGNOSTICS or PARTICULAR CASES.
In certain diagnoses, it is recommended NOT to place CORDUS directly on the damaged area; in these cases, the method of use is to place the device along the rest of your back, while avoiding the affected area. Being that the column is a connected system; any improvement in any part of the structure will give benefits to other areas.