A standard mouse supports hand postures that allow only a limited fixed range of hand motion. Repetitive movements within these allowable set of hand postures can result in wrist pain upon frequent use. This disclosure describes the design for an electronic mouse that allows the user to operate it with a hand motion that provides 180-degree freedom of clockwise rotation. As such, the user can operate the mouse with hand positions from a traditional palm-down posture all the way clockwise to a palm-up position. The design consists of a base and a handle joined by a groove and a tongue. Users use the handle to rest their hands and operate the mouse.
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Guo, Junlin, "Ergonomic mouse with 180-degree freedom of clockwise palm rotation", Technical Disclosure Commons, (June 11, 2019)