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Proximal inter-phalangeal (PIP) orthoses designed for external modification of the structural and/or functional characteristics of the fingers by a controlled restriction of movement of the proximal IP joints during therapeutic treatments. These orthoses may consist of a variety of devices, typically including a semi-rigid lightweight plastic structure with aluminum stays and closure straps or sleeves. PIP joint immobilizers are used to prevent further development of finger deformities and/or for rehabilitation after surgery or trauma; dedicated orthoses intended to provide maximum extension of the PIP (e.g., Boutonniere splints) are also available.
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