Abdominal Stiffness Evaluation in Massage for Constipation.
Abdominal Stiffness Evaluation in Massage for Constipation.
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DOI：
10.3390/s21041192
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发表时间：
2021-02-08
期刊：
影响因子：
--
通讯作者：
Watanabe T
中科院分区：
文献类型：
--
作者：
Wang Y;Sakakibara C;Shogenji M;Yoshida M;Watanabe T
根据护士和理疗师的经验，便秘的人在腹部按摩后，腹部会变得柔软。然而，腹部僵硬的减少和腹部按摩的好处之间的关系还没有定量的研究，也不清楚。此外，用于测量刚度的设备被设计为测量相对坚硬的区域，如肩部，而不考虑目标组织的侧向流出，这在测量柔软区域（如腹部）的刚度时可能是一个问题。为了解决这些问题，本研究提出了一种适用于测量腹部僵硬度的硬度传感器，并研究了腹部僵硬度的降低与腹部按摩的好处之间的关系。防止靶材侧向流出的解决方案是实现一个堵塞器，其中包括一个接触检测装置，该装置可以在目标区域周围进行广域接触。该传感器由止动器、探头、弹簧和飞行时间（ToF）传感器组成。探头和弹簧为腹部提供适当的压力和变形，而塞子防止探头被过多地推入腹部。ToF传感器测量的是当变形被止动器停止时的变形长度。腹部刚度可由变形长度导出。调查结果表明，腹部僵硬度的降低对应于大便状况的改善或维持健康的大便状况，而腹部僵硬度的维持则表明大便状况的维持或恶化。
According to the experience of nurses and physiotherapists, the abdomen of constipated people becomes softer after abdominal massage. However, the relationship between the decrease in abdominal stiffness and the benefits of abdominal massage has not been examined quantitatively and is unclear. Furthermore, devices for measuring stiffness have been designed to measure relatively hard areas such as the shoulders and do not take into account the lateral outflow of the target tissue, which can be a problem when measuring the stiffness of soft areas such as the abdomen. To address these issues, this study presents a stiffness sensor suitable for measuring abdominal stiffness and investigates the relationship between the reduction in abdominal stiffness and the benefits of abdominal massage. The solution to prevent the lateral outflow of the target is the realization of a stopper, including a contact detection device, which enables a wide-area contact around the targeted area. The sensor consists of a stopper, probe, spring, and time-of-flight (ToF) sensors. The probe and spring provide appropriate pressure and deformation to the abdomen, whereas the stopper prevents the probe from being pushed into the abdomen more than necessary. The ToF sensor measures the deformation length when the deformation is stopped by the stopper. The abdominal stiffness can be derived from the deformation length. The investigation results indicate that the reduction in abdominal stiffness corresponds to the improvement of the stool condition or the maintenance of a healthy stool condition, whereas the maintenance of abdominal stiffness indicates the maintenance or deterioration of the stool condition.
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