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首页> 外文期刊>Surgical Endoscopy >Improved usability of a new handle design for laparoscopic dissection forceps.
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Improved usability of a new handle design for laparoscopic dissection forceps.

机译：改进了用于腹腔镜解剖钳的新型手柄设计的可用性。

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BACKGROUND: Recent studies have shown that the shape of most instrument handles causes user discomfort and that none of the handles currently available on the market satisfies all ergonomic criteria. Therefore, we designed a handle with improved usability; i.e., it is easier to manipulate and its use entails less risk of injury for the operator. The aim of this study was to demonstrate that the intended improvements of the new design were successful. METHODS: Six handles representative of the types that are currently available were compared with the new version. Eight surgeons used the seven handles during a precision task and a rough task in a pelvi-trainer. A questionnaire and video analyses were used to assess the usability of the handles. RESULTS: Based on the responses to the questionnaire, we determined that there were significant differences between the new handle and the Aesculap handle (means of rotation and angle between handle and shaft). No significant differences were found between the new handle and the five other handles. The video analyses (documenting extreme vs neutral wrist excursions) showed significant differences between the new handle and the six other handles. CONCLUSION: Compared to the six existing handles, the new handle has significantly improved usability; in particular, its hinged design obviates the need to make extreme wrist excursions.
机译：背景技术：最近的研究表明，大多数仪器手柄的形状都会引起用户不适，并且目前市场上没有可用的手柄能够满足所有人体工程学标准。因此，我们设计了一种具有更高可用性的手柄。即，它更易于操作，其使用对操作者造成伤害的风险较小。这项研究的目的是证明新设计的预期改进是成功的。方法：将六个代表当前可用类型的手柄与新版本进行比较。八名外科医生在骨盆训练器的精确任务和粗略任务中使用了七个手柄。使用问卷和视频分析来评估手柄的可用性。结果：根据对问卷的答复，我们确定新手柄和Aesculap手柄之间存在显着差异（手柄和杆身之间的旋转方式和角度）。在新手柄和其他五个手柄之间没有发现显着差异。视频分析（记录了极端手腕和中性手腕的偏移）表明，新手柄与其他六个手柄之间存在显着差异。结论：与现有的六个手柄相比，新手柄大大提高了可用性。特别是，其铰链设计消除了进行极端手腕偏移的需要。

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