DonJoy Exos FORM II 637 Back Brace

The Exos FORM™ II 637 (with lateral extensions) is a high-performance back brace built to provide a superior degree of spinal support and effective relief from a wide range of indications. Technologies such as the BOA Fit System and V-STX Material allow for a precise, comfortable fit.

The DonJoy EXOS Form II 637  Back Brace is a high-performance back brace designed to provide superior support for individuals with acute lower back pain, as well as post-operative support.
With advanced spinal control in both the sagittal and coronal planes, this brace offers targeted support from the T9 to S1 vertebrae.
This means that the brace helps control the movement of the back in two different directions, giving more stability and reducing the risk of further injury. Whether you’re recovering from an injury or seeking relief from chronic back pain, the DonJoy EXOS Form II 637 is a highly effective solution.

Dial in to a Fast, Effortless, Precision Fit.

The BOA Fit System is a state-of-the-art, dial based fit system designed for lasting optimal performance. It is made with quality, durable materials that allow for a micro-adjustable fit that is strong and long-lasting.
The unique design of the BOA Fit System provides the perfect balance between power and precision, creating a seamless connection between your equipment and body. Whether you’re a professional athlete or simply looking for the best fit, the BOA Fit System is engineered to deliver unparalleled performance.

Built With Premium Materials and Patented Technologies

• V-STX™ Material: A patented, thermoformable material used with the posterior, anterior and lordotic inserts, allows for true customization and ideal patient fit.
• ComfortCORE™ Foam:
  Conforms to the unique contours of a patient’s body, adjusts instantly to individual movements.
• Diamond2 Grid™:
  Uniquely designed construct, delivers patients’ a more durable, longer-wearing brace.
• Adjustable Belt Wings:
  Modifiable belt accommodates varying patient body structures for optimal fit.
• Modular Design:
  Step-up / Step-down design allows for single brace use through rehabilitation and recovery.
• Semi-Universal Sizing:
  Removable circumference tape allows for accurate patient sizing.
• Lateral Extension Side Panels Included: Compared to the Exos FORM II 631 brace, the 637 also includes 2 extension side panels.  These improve the fit and stability of the brace.

Common Indications For Use of the DonJoy Exos Back Brace

• Acute and Chronic Lower Back Pain
• Lower Back Sprains/Strains
• Lumbar Disc Displacement
• Osteoperosis
• Disc Herniation and Degeneration
• Post-Operative Laminectomy
• Post-Operative Disectomy
• Spondylolisthesis
• Post-Operative Fusion
• Spinal Stenosis
• Stable/Non-Displaced Fractures

Sizing Chart for the Exos Form II Back Brace

Size	Waist Circumference (Inches / cm)	Recommended Height (Inches / cm)
Small/Medium	25″ – 49″ (63 cm – 125 cm)	≤ 69″ (≤ 175 cm)
Large/XLarge	49″ – 60″ (125 cm – 152 cm)	≥ 69″ (≥ 175 cm)

Measurement:  Measure the circumference around your waist.

Operating the BOA® Fit System – EXOS Back Brace

To Loosen:

• Lift BOA® dial.
• Pull Tab.

To Close and Tighten:

• Push BOA® dial down.
• Turn BOA® dial clockwise.
• Boa® Knob must be in the down locked position when wearing brace.

Videos

Documents

Exos Form II Brochure

631/637 Instructions for Use – Clinician

631/637 Instructions for Use – Patient

Exos Form 637 Information Sheet

Exos Form II Family Brochure – Recovery Sciences

631/637 Documentation Worksheet

Exos Form II Family Brochure – Recovery Sciences

Exos Form II Indications Poster