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DeRoyal finger spring 501,extension assist, metacarpal phalangeal/proximal interphalangeal extension
- This finger spring fits from the head of the metacarpal to the distal interphalangeal joint. It is used to assist the proximal interphalangeal joint (PIP) into increased extension.
This finger spring fits from the head of the metacarpal to the distal interphalangeal joint. It is used to assist the proximal interphalangeal joint (PIP) into increased extension. It has a minimal effect on metacarpal phalangeal (MP) extension.
To determine splint length, measure involved finger as indicated in the diagram.
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Size | measure finger from palmar crease to distal finger crease |
---|---|
XS | 2 1/4", 5.7 cm |
S | 2 3/4", 7 cm |
M | 3", 7.6 cm |
L | 3 1/2" , 8.9 cm |