Overview

Possum


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n. a device that enables severely paralysed patients to use typewriters, adding machines, telephones, and a wide variety of other machines. Modern Possums are operated by micro-switches that require only the slightest movement in any limb. The original device worked by blowing and sucking a mouthpiece. The name derives from Patient-Operated Selector Mechanism (POSM).

Subjects: Medicine and Health.


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