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外科测力计，可在腹部切开关闭过程中同时测量张力和伤口边缘之间的距离。

Surgical Dynamometer to Simultaneously Measure the Tension Forces and the Distance between Wound Edges during the Closure of a Laparotomy.

机构信息

Department of Computer Science and Industrial Engineering. University of Lleida-Escola Politecnica Superior. C. Jaume II, 69, E-25001 Lleida, Spain.

Surgical Department-Arnau de Vilanova University Hospital. Av. de l'Alcalde Rovira Roure, 80, E-25198 Lleida, Spain.

出版信息

Sensors (Basel). 2018 Jan 11;18(1):189. doi: 10.3390/s18010189.

DOI:10.3390/s18010189
PMID:29324653
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5795947/
Abstract

The closure of the abdominal wall after making a laparotomy is a major challenge for surgeons, since a significant percentage of closures fail and incisional hernias rise. The suture has to withstand the forces required to close the incision, while not hindering the adequate wound healing progression. Currently, there is no surgical measuring device that could be used to determine the required closing forces, which can be very different depending on the patient. This paper presents a dynamometer to measure the tension forces to be applied while closing a surgical incision, and it simultaneously measures the distance between wound edges. It is a compass-like instrument. A mechanism between the two legs incorporates a load cell, whose signal is read by an electronic device that computes the values of the tension forces between wound edges. An angular position sensor at the pin joint between legs provides the distance between both sides of the incision. Measuring capabilities of the instrument prototype were verified at the laboratory. Thereafter, its functionality was demonstrated in experimental surgery tests. Therefore, the instrument could be very useful in clinical applications, assisting personalized surgical techniques.

摘要

腹壁切开术后的关闭对外科医生来说是一个重大挑战，因为很大一部分关闭失败，切口疝会出现。缝合线必须承受关闭切口所需的力，同时又不能阻碍伤口的适当愈合。目前，没有可以用来确定所需的闭合力的外科测量装置，而这些闭合力会因患者而异。本文提出了一种测力计，用于测量关闭手术切口时要施加的张力，同时测量切口边缘之间的距离。它是一种类似指南针的仪器。两条腿之间的一个机械装置包含一个测力传感器，其信号由一个电子设备读取，该电子设备计算出伤口边缘之间的张力力值。腿之间的销钉关节上的角位置传感器提供切口两侧之间的距离。在实验室中验证了仪器原型的测量能力。此后，在实验性手术测试中展示了其功能。因此，该仪器在临床应用中可能非常有用，可辅助个性化手术技术。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/141b5b53a37d/sensors-18-00189-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/ac9cb3129333/sensors-18-00189-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/e8c99a4014eb/sensors-18-00189-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/d276e1016c0b/sensors-18-00189-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/2da2352393c1/sensors-18-00189-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/234327fc07c6/sensors-18-00189-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/5b24f340baf6/sensors-18-00189-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/c3a1cb51477b/sensors-18-00189-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/9a0a2de27ac1/sensors-18-00189-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/6bb20ff04799/sensors-18-00189-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/8b0ec0d03830/sensors-18-00189-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/a37d328cfa5a/sensors-18-00189-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/141b5b53a37d/sensors-18-00189-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/ac9cb3129333/sensors-18-00189-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/e8c99a4014eb/sensors-18-00189-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/d276e1016c0b/sensors-18-00189-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/2da2352393c1/sensors-18-00189-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/234327fc07c6/sensors-18-00189-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/5b24f340baf6/sensors-18-00189-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/c3a1cb51477b/sensors-18-00189-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/9a0a2de27ac1/sensors-18-00189-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/6bb20ff04799/sensors-18-00189-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/8b0ec0d03830/sensors-18-00189-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/a37d328cfa5a/sensors-18-00189-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/35c3/5795947/141b5b53a37d/sensors-18-00189-g012.jpg

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Force sensing in surgical sutures.手术缝合线中的力传感
PLoS One. 2013 Dec 23;8(12):e84466. doi: 10.1371/journal.pone.0084466. eCollection 2013.
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