Ossur Formfit Universal Thumb Spica Splint – De Quervain's, CMC Joint & Thumb Stabilizer Brace
The Ossur Formfit Universal Thumb Spica Splint is a clinically designed thumb spica brace that immobilizes and protects the thumb and wrist — available in universal-size options with separate Left and Right versions. Select the wrist circumference range and the correct hand; Universal describes size, not a design that fits either hand. Whether your clinician recommended a De Quervain's splint, a CMC joint splint, or a wrist and thumb brace, the Formfit Universal delivers trusted Ossur quality in a simplified, one-size-fits-most design.
Universal vs. Sized — Which should I choose?
The Universal size covers wrist circumferences of approximately 11–24 cm (4 1/2″–9 1/2″). Measure your wrist and select the appropriate Left or Right version. If your clinician has measured your wrist and prescribed a specific size (XS–XL), the sized Formfit Thumb Spica may provide a more precise fit.
Both versions are available in Left and Right. The Universal also comes in a Pediatric option and an X-Large for larger hands.
Size & Part Number Guide
| Option | Side | Part Number | Notes | Wrist Circumference |
|---|---|---|---|---|
| Pediatric | Left | B-253603301 | For children / smaller hands | 3 1/2″–5″ (9–13 cm) |
| Pediatric | Right | B-253603300 | For children / smaller hands | 3 1/2″–5″ (9–13 cm) |
| Universal (8") | Left | B-253603109 | Fits most adults | 4 1/2″–9 1/2″ (11–24 cm) |
| Universal (8") | Right | B-253503109 | Fits most adults | 4 1/2″–9 1/2″ (11–24 cm) |
| X-Large (8") | Left | B-253603106 | For larger hands / wrists | 7 1/2″–11″ (19–28 cm) |
| X-Large (8") | Right | B-253603105 | For larger hands / wrists | 7 1/2″–11″ (19–28 cm) |
Measuring tip: Measure your wrist circumference at the bony prominence (styloid), keeping the tape flat. Match the numeric range and select your Left or Right version. Pediatric, Universal, and X-Large describe sizes, not interchangeable sides.
Indications for Use
- De Quervain's tenosynovitis
- CMC joint arthritis
- Gamekeeper's Thumb / Skier's Thumb
- Selected scaphoid injuries
- Mild to moderate soft tissue injuries
- Post-cast healing and soft tissue protection
Features & Benefits
- Universal-sized option — covers the stated wrist-circumference range and is sold in distinct Left and Right versions
- Breathable, lightweight material — comfortable for all-day wear
- Quick-Pull close strap — fast, one-handed application
- Customizable thumb stay — moldable for patient-specific positioning
- Contact closure straps — easy donning and doffing
- Available in Left & Right, Pediatric, Universal, and X-Large
Potential HCPCS codes: L3807 for qualifying professional custom fitting, or L3809 for off-the-shelf delivery with minimal adjustment. The code depends on fitting, documentation and payer rules; reimbursement is not guaranteed. FSA/HSA eligibility depends on your plan.
Shipping: This item may require additional manufacturer processing before carrier pickup, including expedited orders. Transit estimates begin after the carrier accepts the package. We will contact you about a reported supplier delay or backorder.
OrthoTape.com is an authorized Ossur dealer. Authentic product. 6-month manufacturer warranty. Use as directed by a licensed healthcare provider.
Frequently Asked Questions
What is the difference between the Universal and sized Formfit Thumb Spica?
The Universal Thumb Spica comes in Pediatric (9–13 cm wrist), Universal (11–24 cm wrist), and X-Large (19–28 cm wrist). Every size has a separate Left and Right version; Universal refers to the size range, not an ambidextrous brace. The separate sized Formfit Thumb Spica uses X-Small through X-Large sizing based on wrist circumference.
Also Available: Formfit Thumb Spica (Sized XS–XL)
If your clinician has measured your wrist and prescribed a specific size, the sized version offers a more precise fit in XS through XL for both Left and Right.
View Sized Formfit Thumb SpicaAuthorized Dealer | 6-Month Manufacturer Warranty | Authentic Product Quality Guaranteed