DeRoyal® LMB Spring Finger Extension Assist (Model 501)

DeRoyal® LMB Spring Extension Assist (Model 501) extends PIP joint with slight extension on MP. Adjustable. For finger flexion tightness and boutonniere (allows IP flexion). Force at 15° flexion is approximately 8 oz.; 90° flexion is approximately 4 lbs. Wire-Foam™ for a customized fit.

Sizing: Measure extended finger from distal palmar crease to distal finger crease.
X-Small (AA) fits 2-1/4″ length, 7/8″ width
Small (A) fits 2-5/8″ length, 7/8″ width
Medium (B) fits 3″ length, 1″ width
Large (C) fits 3-1/2″ length, 1-1/8″ width

Extends PIP joint with slight extension on MP

Adjustable

For finger flexion tightness and boutonniere (allows IP flexion)