Long Thumb Spica with Boa

Long Thumb Spica with Boa®
Long Thumb Spica with Boa®


Long Thumb Spica with Boa®

Provides primary stabilization for the first metacarpalphalangeal (MCP) joint and first carpometacarpal (CMC) joints, as well as secondary support for the radiocarpal and radioulnar wrist joints. Provides stability for injuries to the base of the thumb at the CMC joint, such as Bennett’s or Rolando’s fractures, or to stabilize a painful CMC joint. Also useful for confirmed or suspected navicular (scaphoid) fractures, and for injuries or arthritis involving the trapezium or trapezoid bones of the wrist. Not made with natural rubber latex.

PDAC assigned code: L3984

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Exos Upper Extremity Product Video


Exos Patient Testimonial - Vaughn


Exos Patient Testimonial - Darcy


BMX Rider Arielle Martin


Exos Long Thumb Spica with Boa Application Video


Exos Care and Cleaning


Exos Boa Locking Ring Application Video

  • The ability to thermoform and custom fit the Brace to the patient's extremity ensures a comfortable fit.
  • Boa® Fit System allows for quick adjustment in circumferential compression and can be locked with BOA Locking Ring.
  • Trim or adjust the thumb section to allow better IP flexion.

Ordering Information

Left Right Size Color
231-21-1111 231-22-1111 XX-Small Black
231-31-1111 231-32-1111 X-Small Black
231-41-1111 231-42-1111 Small Black
231-51-1111 231-52-1111 Medium Black
231-61-1111 231-62-1111 Large Black
231-71-1111 231-72-1111 X-Large Black


  Size Circumference Length
XXS 6½" - < 7½"
XS 7¼" - < 8" 5¾"
S 8" - < 9"
M 9" - < 10" 7"
L 10" - < 11" 8"
XL 11" 8½"
Name Part # Price
Exos Sizing Tape 00-9324 NA

Wrist Undersleeve

Comfortable elastic wrist undersleeve for use with Exos and other upper extremity braces. Enhances comfort and protects skin from shear and moisture.

Part # Size
896-40-1111 XSmall / Small
896-50-1111 Medium
896-60-1111 Large / XLarge

Edge Tape

Part # (10 Pack) Length
800-1111 EDGE TAPE - UBL - BLACK 1” X 24”

Exos Sizing Tape

Part # Qty.
00-9324  1

Operating Boa® Lacing System

To Loosen:
  • Lift Boa® Knob. (Figure 1)
  • Pull Tab. (Figure 2)
  • Pull hook-and-loop Full Release Ribbon – to open fully.
To Close and Tighten:
  • Push Boa® Knob down. (Figure 3)
  • Turn Boa® Knob clockwise. (Figure 3)
  • Boa® Knob must be in the down locked position when wearing brace.

LTS w/Boa Education Image

Three Keys to Success with Exos

  1. Not Too Tight – Wear it Right and leave some “WIGGLE ROOM”
  2. If the brace and skin get wet, they “CAN’T STAY WET”

Please download the attached PDF document for the full document on how to care for your Exos.