Use of the word impingement implies the device affected the adjacent fingers through contact.The digit widget is installed on the dorsal aspect of the finger with no portion extending to the radial, ulnar, or palmar sides so contact should not be possible.It is unclear what could have allowed the device to affect the adjacent fingers based on the information provided.
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Article 'preliminary soft-tissue distraction versus checkrein ligament release after fasciectomy in the treatment of dupuy ren proximal interphalangeal joint contractures' published plastic and reconstructive surgery, vol.128, no.5, november 2011.On page 1111 it was reported that "one digit widget was removed early because of impingement on an adjacent digit".
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