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Summit™ 637 LSO

In stock
Summit 637 LSO
PDAC Code L0637 Approved

The Summit™ 637 LSO provides all of the features and benefits of the Summit 631 LSO with additional lateral support. The Summit 637 LSO delivers targeted compression, motion restriction, and maximal comfort. This brace is available in a one-size adjustable and in the original sized versions.

Healthcare Professionals Request a Demo

Only licensed healthcare practitioners are authorized to purchase direct from Aspen

Patients Download Doctor Guide

Size Chart

  • Adjustable
    26in (66cm) – 60in (152cm)
  • Small
    26in (66cm) – 34in (86cm)
  • Medium
    33in (84cm) – 42in (107cm)
  • Large
    41in (104cm) – 51in (130cm)
  • X-Large
    50in (127cm) – 60in (152cm)
Product Features
One Size Adjustable Featuring Aspen

One Size Adjustable Featuring Aspen's Sure Slot™ System

Unique sizing mechanism allows for quick and easy sizing adjustments, without the use of tools.

Rigid Side Panels
Rigid Side Panels

Provides increased lateral control for patients in need of additional support.

Easy Access for Modification
Easy Access for Modification

All structural components are easily removed and can be heat molded, bent or trimmed to further customize the brace to accommodate various patient conditions.

Reliable Structural Integrity
Reliable Structural Integrity

Tri band technology system and integrated vertical stays provide stability and maintain structural integrity to help ensure effective compression and flexibility.

Integrated Anterior Panels
Integrated Anterior Panels

Anterior panels at each end of the brace overlap to provide added midline support. Featuring Aspen's innovative FlexTabs™, these panels disperse pressure and naturally conform to each patient's anatomy to help increase comfort.


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Backed by Research
Backed by 25 years of clinical research and a reputation for extensive testing and rigorous development requirements, Aspen products are engineered to meet varying medical needs and to perform at a therapeutic level. Committed to research that includes peer-reviewed studies, biomechanical analyses and research driven design, Aspen products are trusted by trauma centers, clinical practices and rehab facilities nationwide.
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For Patients
Will my health insurance pay for the brace?

Medicare and most private health insurance companies do offer coverage for this treatment option. Consult Medicare or your insurance carrier to verify coverage.

How do I clean the brace?

Use a mild soap and water to clean the brace by hand. Rinse thoroughly and pat out any excessive moisture. Allow to air dry completely. Do not use bleach, harsh chemicals or machine wash/dry.

Can I wear the brace under my clothing?

Yes, Aspen braces can be worn underneath clothing, but an undershirt is recommended next to skin for enhanced comfort.

What spinal indications was this brace designed to treat?

Your physician may use braces for various reasons. For common indications, refer to the Spine Application sheet.

Where can I get another therapy pack?

It can be purchased online at, by calling 800-295-2776 or emailing

How do I get this brace?

Aspen Medical Products is unable to sell directly to patients. Our braces require a prescription from a physician and only licensed healthcare practitioners are authorized to purchase. To find out if an Aspen brace is right for you, please talk to your doctor.

For Providers
How do I select the correct size adjustment?

For detailed instructions, refer to the Inservice Videos or the Instructions for Use.

How do I contact my local Sales Representative?

Please call Aspen Customer Service at 800.295.2776 or email to get a hold of your local Rep.

Will medical insurance carriers cover this product?

The majority of Aspen products are approved by PDAC (Medicare Pricing, Data Analysis and Coding), and have been provided with a reimbursement code. Consult Medicare or the appropriate insurance carrier to verify coverage.

How is the Summit 637 LSO different than the Summit 631 LSO?

The Summit 637 LSO provides additional coverage with rigid side panels.

Download our Spine Applications sheet to help determine which Aspen product is right for your needs.

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