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首页> 外文期刊>The British journal of diabetes & vascular disease. >VibraTip? durability in clinical practice: How long does it last?
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VibraTip? durability in clinical practice: How long does it last?

机译：VibraTip？临床实践中的耐久性：能持续多久？

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摘要

VibraTip? is a battery-powered, disposable, key fob-sized source of vibration used to assess the integrity of vibration perception. To find out how long the device lasts, the stability of its vibration output was measured in response to two usage patterns:-in the first, VibraTip? was subject to 7000 half second activations separated by 2 second rests. This yielded fairly consistent frequency output for the first 6000 activations but an early reduction in amplitude over the first 1000 activations, steadying between 2000 and 6000 activations.in the second, designed to mimic more closely real life clinical usage, runs of ten, half second activations at 2 second intervals were interspersed by 10 minute rests. The cycle was repeated 350 times in all with additional overnight rests to allow electrochemical recovery. VibraTip? performance under these conditions was highly consistent over at least the first 1500 activations, with very little change in vibration frequency even after 3500 discharges.These results indicate that usage patterns markedly affect VibraTip? durability. Rests between 'patients' and overnight, characteristic of normal clinical activity, suggests that VibraTip? is likely to provide very consistent performance in the clinical arena for many months of routine use.
机译：VibraTip？是一种由电池供电的一次性钥匙扣大小的振动源，用于评估振动感知的完整性。为了找出该设备能使用多长时间，根据两种使用模式测量了其振动输出的稳定性：-第一种是VibraTip？受到7000个半秒的激活，并间隔2秒的休息时间。这在前6000次激活中产生了相当一致的频率输出，但在前1000次激活中振幅减小得较早，稳定在2000至6000次激活之间。在第二个中，它模仿了现实生活中的临床使用情况，运行了十个半秒以2秒的间隔激活10分钟休息。总共重复该循环350次，并放置过夜，以实现电化学回收。 VibraTip？这些条件下的性能在至少前1500次激活中具有高度一致性，即使在3500次放电后振动频率也几乎没有变化。这些结果表明使用方式显着影响了VibraTip？耐用性。 VibraTip？可以在“患者”和过夜之间休息，这是正常临床活动的特征。在常规使用的许多个月中，可能会在临床上提供非常一致的性能。

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