| 摘要 |
The "Parkinson's Clamp-On Hand-Operated Walker Aid" is a device mounted on a walker (or cane) which is operated by lightly squeezing a hand lever to lower a swing arm using a flexible cable and housing, to be used as a "step-over aid" for a person inflicted with a type of Parkinson's disease who freezes while walking. This "step-over aid" is only applied when required since it is hand operated, and will not inadvertently lower when using the walker (or cane) for stability. The "step-over aid" automatically returns to the upright position when the hand lever is released.
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